WO2016199467A1 - 遠心成型用水硬性組成物用分散剤組成物 - Google Patents

遠心成型用水硬性組成物用分散剤組成物 Download PDF

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Publication number
WO2016199467A1
WO2016199467A1 PCT/JP2016/058145 JP2016058145W WO2016199467A1 WO 2016199467 A1 WO2016199467 A1 WO 2016199467A1 JP 2016058145 W JP2016058145 W JP 2016058145W WO 2016199467 A1 WO2016199467 A1 WO 2016199467A1
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Prior art keywords
mass
hydraulic
less
composition
group
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Ceased
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PCT/JP2016/058145
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English (en)
French (fr)
Japanese (ja)
Inventor
秋野雄亮
吉浪雄亮
小柳幸司
下田政朗
中村圭介
田中駿也
齊田和哉
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Kao Corp
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Kao Corp
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Publication date
Application filed by Kao Corp filed Critical Kao Corp
Priority to EP16807174.4A priority Critical patent/EP3305740A4/en
Priority to SG11201709250UA priority patent/SG11201709250UA/en
Priority to CN201680028187.3A priority patent/CN107614457A/zh
Priority to MYPI2017704665A priority patent/MY182707A/en
Priority to US15/580,367 priority patent/US10800702B2/en
Publication of WO2016199467A1 publication Critical patent/WO2016199467A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/16—Sulfur-containing compounds
    • C04B24/20—Sulfonated aromatic compounds
    • C04B24/22—Condensation or polymerisation products thereof
    • C04B24/226—Sulfonated naphtalene-formaldehyde condensation products
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/20—Producing shaped prefabricated articles from the material by centrifugal or rotational casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/40—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material
    • B28B7/42—Moulds; Cores; Mandrels characterised by means for modifying the properties of the moulding material for heating or cooling, e.g. steam jackets, by means of treating agents acting directly on the moulding material
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
    • C04B24/24—Macromolecular compounds
    • C04B24/28—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B24/32—Polyethers, e.g. alkylphenol polyglycolether
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04—Portland cements
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028—Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039—Premixtures of ingredients
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2103/00—Function or property of ingredients for mortars, concrete or artificial stone
    • C04B2103/40—Surface-active agents, dispersants
    • C04B2103/408—Dispersants
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/56—Compositions suited for fabrication of pipes, e.g. by centrifugal casting, or for coating concrete pipes

Definitions

  • the present invention relates to a dispersant composition for a centrifugal molding hydraulic composition, a centrifugal composition for a centrifugal molding, a dispersant composition for a steam curing hydraulic composition, a hydraulic composition for a steam curing, and a cured product of the hydraulic composition. It relates to the manufacturing method. Furthermore, the present invention relates to the use of a predetermined composition as a dispersant for a hydraulic composition for centrifugal molding or a dispersant for a hydraulic composition for steam curing. Furthermore, the present invention relates to the use of other predetermined compositions as centrifugal molding hydraulic compositions. Furthermore, the present invention relates to the use of other predetermined compositions as hydraulic compositions for steam curing.
  • Dispersants for hydraulic compositions are chemicals used to reduce the amount of unit water required to obtain the required slump by dispersing cement particles and to improve the workability of hydraulic compositions. Admixture.
  • a naphthalene-based dispersant such as naphthalenesulfonic acid formaldehyde condensate
  • a polycarboxylic acid-based dispersant such as a copolymer of carboxylic acid and a monomer having an alkylene glycol chain
  • melamine sulfonic acid formaldehyde condensation Melamine-based dispersants such as products are known.
  • Dispersants for hydraulic powders made of polymer compounds containing aromatic rings such as naphthalene-based dispersants, are more variable in the effects of fluidity on changes in materials and temperatures than polycarboxylic acid-based dispersants. And the viscosity of the resulting hydraulic composition is relatively low, making it easy to use in the production of the hydraulic composition.
  • Dispersants for hydraulic powders made of a polymer compound containing an aromatic ring such as naphthalene-based dispersants, have little variation in the effect of fluidity on material and temperature changes, and the viscosity of the resulting hydraulic composition And is easy to use in the production of hydraulic compositions. In particular, it is suitable for centrifugal molding because of its good centrifugal moldability (there is no slot or jumper).
  • JP-A-61-281054 discloses a concrete admixture containing a cement dispersant and a specific nonionic surfactant in a predetermined weight ratio.
  • Japanese Patent Application Laid-Open No. 2003-165755 describes a workability improver for improving the workability of a cement composition containing a specific polyalkylene oxide derivative and / or a specific hydrocarbon derivative.
  • Japanese Patent Application Laid-Open No. 2003-165755 also describes a cement water reducing agent containing the workability improving agent and a water reducing agent.
  • 60-011255 describes a slurry comprising water and a hydraulic composition containing a ⁇ -naphthalenesulfonic acid formaldehyde condensate and a nonionic surfactant having an oxyethylene chain.
  • Japanese Patent Application Laid-Open No. 55-023047 describes a cement additive comprising a formalin condensate of a metal salt of naphthalenesulfonic acid and a polyoxyethylene compound.
  • Japanese Patent Application Laid-Open No. 48-028525 describes a method for producing a concrete product, in which a desired concrete product is molded from concrete to which an anionic surfactant is added, and the molded product is cured under normal pressure steam.
  • Japanese Unexamined Patent Publication (Kokai) No. 50-150724 describes a cement admixture comprising a sulfate type anionic surfactant and a polyoxyalkylene or polyhydric alcohol nonionic surfactant. .
  • Centrifugal molding is known as a method for producing hollow cylindrical concrete molded products such as pipes, piles, and poles among concrete molded products.
  • This centrifugal molding method is a method in which a concrete material kneaded in a mold is put and the concrete is pressed against the inner surface of the mold by a centrifugal force generated by rotating the mold at high speed.
  • a high-strength admixture is added to the concrete and steam curing is performed to ensure the strength that can be shipped in 7 days from kneading.
  • Concrete piles include building piles that are used as foundation piles for structures.
  • the dispersion for hydraulic powder made of a polymer compound containing an aromatic ring improves the strength of centrifugal molded products even if the amount added is increased. Will reach a peak. Further, when the amount of the dispersing agent for hydraulic powder made of a polymer compound containing an aromatic ring is increased, the uncured hydraulic composition becomes highly dispersed, and such a hydraulic composition is used for centrifugal molding. If so, the generation of noro is remarkable and the surface property of the cured product is lowered.
  • the present invention provides a dispersant composition for a hydraulic composition from which a cured composition obtained by centrifugal molding has a high strength and is excellent in moldability.
  • steam curing is widely used as an accelerated curing method when manufacturing large civil engineering concrete products such as box culverts, L-type retaining walls and segments, and small concrete products such as side grooves, floor boards and blocks. It has been.
  • precast structural members have been manufactured even in high-strength building members from the viewpoint of durability and economy.
  • One of the main purposes of this steam curing method is to promote hardening and increase the frequency of use of the mold per unit time, for example, per day.
  • the present invention provides a dispersant composition for a hydraulic composition that has a high strength cured by steam curing and can increase the frequency of use of the mold per unit time of the mold, for example, per day. To do.
  • the present invention is represented by (A) a dispersant for hydraulic powder comprising a polymer compound containing an aromatic ring, (B) a compound represented by the following general formula (B1), and represented by the following general formula (B2).
  • a dispersant composition for a hydraulic composition for centrifugal molding comprising a compound, a compound represented by the following general formula (B3), and one or more compounds selected from the compounds represented by the following general formula (B4) About.
  • R 11 , R 21 , R 31 , R 41 are each independently a hydrocarbon group having 4 to 27 carbon atoms
  • R 22 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 32 and R 33 are the same or different and are each a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X is O or COO
  • AO is an alkyleneoxy group having 2 to 4 carbon atoms
  • n 1 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 2 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 3 and n 4 are the same or different and each represents the average number of added moles of AO and is a number of 0 or more
  • the total of n 3 and n 4 is a number of 1 to 200
  • Y 1 and Y 2 are the same or different and are each a hydrogen atom or
  • the present invention also includes the dispersant composition for a centrifugal molding hydraulic composition of the present invention, a hydraulic powder, an aggregate, and water, and the water / hydraulic powder ratio is 10% by mass.
  • the present invention relates to a centrifugal molding hydraulic composition that is 25% by mass or less.
  • the present invention also includes (A) a dispersant for hydraulic powder comprising a polymer compound containing an aromatic ring, (B) a compound represented by the following general formula (B1), and represented by the following general formula (B2). And a compound represented by the following general formula (B3) and one or more compounds selected from the compounds represented by the following general formula (B4), and the content of (A) and (B ),
  • the ratio of the content of (B) to the total content of (B) relates to a dispersant composition for a hydraulic composition for steam curing.
  • R 11 , R 21 , R 31 , R 41 are each independently a hydrocarbon group having 4 to 27 carbon atoms
  • R 22 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 32 and R 33 are the same or different and are each a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X is O or COO
  • AO is an alkyleneoxy group having 2 to 4 carbon atoms
  • n 1 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 2 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 3 and n 4 are the same or different and each represents the average number of added moles of AO and is a number of 0 or more
  • the total of n 3 and n 4 is a number of 1 to 200
  • Y 1 and Y 2 are the same or different and are each a hydrogen atom or
  • the present invention also includes the dispersant composition for a hydraulic composition for steam curing according to the present invention, a hydraulic powder, an aggregate, and water, and the water / hydraulic powder ratio is 10% by mass. It is 53 mass% or less, and the hydraulic content for steam curing whose total content of (A) and (B) is 0.25 mass part or more and 10 mass parts or less with respect to 100 mass parts of hydraulic powder. About.
  • this invention relates to the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 Mixing water, hydraulic powder, aggregate, and the dispersant composition for centrifugal molding hydraulic composition of the present invention, the water / hydraulic powder ratio is 10 mass% or more and 25 mass% or less.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • Step 1 ' Water, hydraulic powder, aggregate, and the dispersant composition for hydraulic composition for steam curing according to the present invention are mixed, and the water / hydraulic powder ratio is 10 mass% or more and 53 mass%.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • this invention relates to the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 Water, hydraulic powder, the following (A), the following (B), and an aggregate are mixed, and the hydraulic composition for centrifugal molding having a water / hydraulic powder ratio of 10% by mass to 25% by mass.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • B a compound represented by the general formula (B1), a compound represented by the general formula (B2), One or more compounds selected from the compound represented by the general formula (B3) and the compound represented by the general formula (B4)
  • this invention relates to the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 ' Water, hydraulic powder, the following (A), the following (B), and an aggregate are mixed, and a hydraulic composition for steam curing in which the water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • this invention relates to the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 Water, hydraulic powder, the following (A), the following (B), the following (C) and aggregate are mixed, and the water / hydraulic powder ratio is 10% by mass to 25% by mass.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • Step 1 ′ Water, hydraulic powder, the following (A), the following (B), the following (C) and aggregate are mixed, and the water / hydraulic powder ratio is 10% by mass or more and 53% by mass or less.
  • the process of mixing so that 60 mass% or less and the sum total of (A) and (B) may be 0.25 mass part or more and 10 mass parts or less with respect to 100 mass parts of hydraulic powder.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • (A) the dispersing agent for hydraulic powder made of a polymer compound containing an aromatic ring will be described as the component (A).
  • the compound represented by the general formula (B1) is the compound (B1)
  • the compound represented by the general formula (B2) is the compound (B2)
  • the compound represented by the general formula (B3) is the compound ( The compound represented by B3) and the general formula (B4)
  • the compound (B1), the compound (B2), the compound (B3), and the compound (B4) will be described together as the component (B).
  • the (C) polycarboxylic acid copolymer will be described as the component (C).
  • a dispersant composition for a hydraulic composition from which a cured composition obtained by centrifugal molding has a high strength and is excellent in moldability is provided.
  • the dispersant composition for a hydraulic composition of the present invention is for a centrifugal molding hydraulic composition or a steam curing hydraulic composition.
  • the dispersing agent composition for hydraulic composition for centrifugal molding of the present invention includes the dispersant composition for the centrifugal molding hydraulic composition of the present invention and the dispersant composition for the steam curing hydraulic composition of the present invention. Refers to both or one.
  • the matter regarding the dispersant composition for centrifugal molding hydraulic composition of the present invention can be applied to the dispersant composition for hydraulic composition for steam curing of the present invention.
  • the matter regarding the dispersant composition for hydraulic composition for steam curing of the present invention can be applied to the dispersant composition for hydraulic composition for centrifugal molding of the present invention.
  • the details of the effect expression mechanism of the present invention are unknown, but are estimated as follows.
  • the dispersant for hydraulic powder made of a polymer compound containing an aromatic ring, such as the naphthalene-based dispersant that is the component (A) of the present invention has an electrostatic repulsive force and has a strong steric repulsion. It has much better centrifugal moldability than a dispersant.
  • the adsorption rate efficient cement adsorption
  • a component is a dispersing agent for hydraulic powder which consists of a high molecular compound containing an aromatic ring.
  • the aromatic ring include a benzene ring, a naphthalene ring, an anthracene ring, and a triazine ring.
  • the component (A) is preferably a hydraulic powder dispersant made of a polymer compound having a monomer unit containing an aromatic ring.
  • Examples of the monomer unit containing an aromatic ring include one or more monomer units selected from a monomer unit containing a benzene ring, a monomer unit containing a naphthalene ring, and a monomer unit containing a triazine ring.
  • the component (A) is preferably a hydraulic powder dispersant comprising a polymer compound having a monomer unit containing a naphthalene ring, from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • naphthalenesulfonic acid formaldehyde condensate or a salt thereof is more preferable.
  • the naphthalenesulfonic acid formaldehyde condensate or a salt thereof is a condensate of naphthalenesulfonic acid and formaldehyde or a salt thereof.
  • naphthalenesulfonic acid formaldehyde condensate may be used as a monomer, for example, methyl naphthalene, ethyl naphthalene, butyl naphthalene, hydroxy naphthalene, naphthalene carboxylic acid, anthracene, phenol, cresol, creosote oil, tar, melamine, as long as the performance is not impaired. It may be co-condensed with an aromatic compound capable of co-condensing with naphthalenesulfonic acid, such as urea, sulfanilic acid and / or derivatives thereof.
  • an aromatic compound capable of co-condensing with naphthalenesulfonic acid such as urea, sulfanilic acid and / or derivatives thereof.
  • Naphthalene sulfonic acid formaldehyde condensate or salt thereof may be, for example, Mighty 150, Demol N, Demol RN, Demol MS, Demol SN-B, Demol SS-L (all manufactured by Kao Corporation), Cellflow 120, Labelin FD-40 Commercial products such as Labelin FM-45 (both manufactured by Daiichi Kogyo Co., Ltd.) can be used.
  • the naphthalene sulfonic acid formaldehyde condensate or salt thereof has a weight average molecular weight of preferably 200,000 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product and improvement of fluidity of the hydraulic composition. Preferably it is 100,000 or less, More preferably, it is 80,000 or less, More preferably, it is 50,000 or less, More preferably, it is 30,000 or less.
  • the naphthalene sulfonic acid formaldehyde condensate or salt thereof has a weight average molecular weight of preferably 1,000 or more from the viewpoint of centrifugal moldability and / or strength expression of the cured product and improvement of fluidity of the hydraulic composition.
  • the naphthalene sulfonic acid formaldehyde condensate may be in the acid state or neutralized.
  • the molecular weight of naphthalenesulfonic acid formaldehyde condensate or a salt thereof can be measured using gel permeation chromatography (GPC) under the following conditions.
  • polystyrene sulfonate conversion monodisperse sodium polystyrene sulfonate: molecular weight, 206, 1,800, 4,000, 8,000, 18,000, 35,000, 88,000, 780,000
  • Detector Tosoh Corporation UV-8020
  • Examples of the method for producing a naphthalenesulfonic acid formaldehyde condensate or a salt thereof include a method of obtaining a condensate by a condensation reaction of naphthalenesulfonic acid and formaldehyde. You may neutralize the said condensate. Moreover, you may remove the water insoluble matter byproduced by neutralization. Specifically, in order to obtain naphthalenesulfonic acid, 1.2 to 1.4 mol of sulfuric acid is used with respect to 1 mol of naphthalene and reacted at 150 to 165 ° C. for 2 to 5 hours to obtain a sulfonated product. Next, formalin is added dropwise at 85 to 95 ° C.
  • the neutralizing agent is preferably added in an amount of 1.0 to 1.1 moles per each of naphthalenesulfonic acid and unreacted sulfuric acid.
  • the water-insoluble matter which arises by neutralization can be removed, and preferably the separation by filtration is mentioned as the method.
  • an aqueous solution of a naphthalenesulfonic acid formaldehyde condensate water-soluble salt is obtained.
  • This aqueous solution can be used as it is as the aqueous solution of the component (A).
  • the aqueous solution can be dried and powdered to obtain a powdery salt of naphthalenesulfonic acid formaldehyde condensate, which can be used as the powdery component (A). Drying and powdering can be performed by spray drying, drum drying, freeze drying, or the like.
  • component (A) in addition to naphthalene sulfonic acid formaldehyde condensate or a salt thereof, there may be mentioned a phenol-based dispersant, a lignin-based dispersant, a melamine-based dispersant, and a styrene sulfonic acid-based dispersant.
  • the compound (B1) is a compound represented by the general formula (B1).
  • R 11 in the general formula (B1) is a hydrocarbon group having 4 to 27 carbon atoms.
  • This hydrocarbon group includes a hydrocarbon group containing a substituent.
  • a substituent is an atom or atomic group introduced in place of the hydrogen atom of the most basic organic compound (Chemical Dictionary, 1st edition, 7th edition, Tokyo Chemical Co., Ltd.) April 1, 2003).
  • the hydrocarbon containing substituent may be a hydrocarbon derivative. Derivatives are compounds that have been modified to such a degree that the structure and properties of the matrix are not changed significantly, such as introduction of functional groups, oxidation, reduction, and substitution of atoms when a certain hydrocarbon is considered as the matrix.
  • hydrocarbon group for R 11 examples include groups selected from alkyl groups, alkenyl groups, aralkyl groups, aryl groups, and aryl groups having substituents (hereinafter referred to as substituted aryl groups).
  • the hydrocarbon group for R 11 is preferably a group selected from an alkyl group, an alkenyl group, and a substituted aryl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding, and preferably from an alkenyl group and a substituted aryl group.
  • the group selected is more preferred.
  • the alkyl group of R 11 is preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the alkenyl group of R 11 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the substituted aryl group for R 11 is an aryl group in which a hydrogen atom of an aromatic ring is substituted with a substituent, and examples thereof include an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group.
  • the substituted aryl group including the substituent has 4 to 27 carbon atoms.
  • Examples of the substituted aryl group include an aryl group in which one, two or three of the hydrogen atoms of the aromatic ring are substituted with a substituent such as a hydrocarbon group.
  • the aryl group of the substituted aryl group is preferably a phenyl group.
  • Examples of the substituted aryl group include substituted aryl groups having 13 to 27 carbon atoms.
  • Examples of the substituent of the substituted aryl group include a hydrocarbon group having 1 to 10 carbon atoms.
  • the substituted aryl group include a group selected from a phenyl group substituted with a benzyl group and a styrenated phenyl group.
  • the substituted aryl group is preferably a group selected from a monobenzylphenyl group, a dibenzylphenyl group, a tribenzylphenyl group, a monostyrenated phenyl group, and a distyrenated phenyl group, more preferably a tribenzylphenyl group and distyrene.
  • R 11 is preferably an alkyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and from an economical viewpoint.
  • R 11 is preferably an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and ease of dissolution in water.
  • R 11 is preferably a substituted aryl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and suppressing foaming of the hydraulic composition.
  • the carbon number of R 11 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding. More preferably, it is 20 or less, More preferably, it is 18 or less.
  • R 11 include, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding, the number of carbons is preferably 8 or more, more preferably 10 or more, still more preferably 16 or more, and , Preferably 22 or less, more preferably 20 or less, and a group selected from a hydrocarbon group in which a hydrogen atom of the hydrocarbon group is substituted with a substituent.
  • the number of carbon atoms is preferably 8 or more, more preferably 10 or more, and still more preferably 16 or more, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the number of carbon atoms is preferably 8 or more, more preferably 10 or more, and still more preferably 16 or more, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • R 11 is preferably a substituted aryl group and more preferably a distyrenated phenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and suppressing foaming of the hydraulic composition.
  • Examples of the hydrocarbon group for R 11 include a group selected from an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent (hereinafter referred to as a substituted aryl group).
  • the hydrocarbon group for R 11 is preferably a group selected from an alkyl group, an alkenyl group, and a substituted aryl group, more preferably a group selected from an alkenyl group and a substituted aryl group, from the viewpoint of expressing the strength of the cured product after steam curing. .
  • the alkenyl group of R 11 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of developing the strength of the cured product after steam curing.
  • the substituted aryl group for R 11 is an aryl group in which a hydrogen atom of an aromatic ring is substituted with a substituent, and examples thereof include an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group.
  • the substituted aryl group including the substituent has 4 to 27 carbon atoms.
  • Examples of the substituted aryl group include an aryl group in which one, two or three of the hydrogen atoms of the aromatic ring are substituted with a substituent such as a hydrocarbon group.
  • the aryl group of the substituted aryl group is preferably a phenyl group.
  • Examples of the substituted aryl group include substituted aryl groups having 13 to 27 carbon atoms.
  • Examples of the substituent of the substituted aryl group include a hydrocarbon group having 1 to 10 carbon atoms.
  • substituted aryl group a phenyl group substituted with an alkyl group having preferably 1 or more, more preferably 2 or more, and preferably 10 or less, more preferably 8 or less, or a phenyl group substituted with a benzyl group.
  • groups selected from styrenated phenyl groups examples include a group selected from a phenyl group substituted with a benzyl group and a styrenated phenyl group.
  • the substituted aryl group is preferably a group selected from a monobenzylphenyl group, a dibenzylphenyl group, a tribenzylphenyl group, a monostyrenated phenyl group, and a distyrenated phenyl group, more preferably a tribenzylphenyl group and distyrene.
  • R 11 is preferably an alkenyl group from the viewpoint of developing the strength of the cured product after steam curing and ease of dissolution in water.
  • R 11 is preferably a substituted aryl group from the viewpoint of developing the strength of the cured product after steam curing and suppressing foaming of the hydraulic composition.
  • the carbon number of R 11 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, from the viewpoint of developing the strength of the cured product after steam curing.
  • R 11 are as follows. From the viewpoint of expressing the strength of the cured product of the cured product after steam curing, the carbon number is preferably 8 or more, more preferably 10 or more, still more preferably 16 or more, and , Preferably 22 or less, more preferably 20 or less, and a group selected from a group in which a hydrogen atom of the alkyl group or the alkenyl group is substituted with a substituent.
  • the number of carbon atoms is preferably 8 or more, more preferably 10 or more, still more preferably 16 or more, from the viewpoint of expressing the strength of the cured product after steam curing.
  • it is an alkyl group of 22 or less, more preferably 20 or less, preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, and preferably 8 or more carbon atoms, more preferably 10 or more, still more preferably A group selected from 16 or more and preferably 22 or less, more preferably 20 or less, preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group.
  • R 11 is preferably a substituted aryl group, and more preferably a group selected from a tribenzylphenyl group and a distyrenated phenyl group.
  • R 11 is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, an oleyl group, a tribenzylphenyl group, and a distyrenylated phenyl group.
  • Group selected from The These groups are preferable from the viewpoint of developing the strength of the cured product after steam curing and improving the fluidity. Moreover, these groups are preferable from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • AO is an alkyleneoxy group having 2 or more and 4 or less carbon atoms, and from the viewpoint of centrifugal moldability and / or strength development of a cured product, preferably an alkyleneoxy group having 2 carbon atoms and a carbon number. 1 or more groups selected from 3 alkyleneoxy groups. From the viewpoint of centrifugal moldability and / or strength development of the cured body, it is preferable that AO contains an alkyleneoxy group having 2 carbon atoms.
  • n 1 is the average addition mole number of AO, the number from the viewpoint of 1 to 200 viewpoint as cement dispersibility of the strength development of centrifugal molding and / or curing thereof.
  • n 1 is preferably 10 or more, more preferably 20 or more, and interacts with the component (A) from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and improvement of fluidity.
  • the number is preferably 60 or less, more preferably 40 or less, from the viewpoints of ease and economical viewpoint and centrifugal moldability and / or the strength development of the cured product after centrifugal molding.
  • n 1 is preferably 10 or more, more preferably 15 or more, still more preferably 25 or more, and even more preferably 65 or less, from the viewpoint of developing the strength of the cured product after steam curing. The following is more preferable, 40 or less is more preferable, and 35 or less is still more preferable.
  • R 11 is an alkenyl group
  • n 1 is preferably 5 or more, more preferably 8 or more, further preferably 9 or more, more preferably 65 or less, and preferably 50 or less, from the viewpoint of expressing the strength of the cured product after steam curing.
  • n 1 is preferably 15 or more, more preferably 20 or more, more preferably 55 or less, and even more preferably 30 or less, from the viewpoint of expressing the strength of the cured product after steam curing when R 11 is an alkyl group.
  • M is a counter ion, and examples thereof include an ion selected from a hydrogen ion, an alkali metal ion, an alkaline earth metal ion (1/2 ion), and an ammonium ion.
  • M is preferably an ammonium ion from the viewpoint of centrifugal moldability and / or the strength expression of the cured product and the ease of production of the compound.
  • M is preferably an alkali metal ion, more preferably an alkali metal ion selected from sodium ions and potassium ions, from the viewpoint of centrifugal moldability and / or the strength expression of the cured product and the odor of the compound.
  • Examples of the compound (B1) include polyoxyethylene alkenyl ether sulfate ester such as polyoxyethylene oleyl ether sulfate ester or a salt thereof, and polyoxyethylene substituted aryl ether sulfate such as polyoxyethylene distyrenated phenyl ether sulfate ester An esterified substance or its salt can be mentioned.
  • the compound (B2) is a compound represented by the general formula (B2).
  • R 21 in the general formula (B2) is a hydrocarbon group having 4 to 27 carbon atoms. This hydrocarbon group includes a hydrocarbon group containing a substituent. The substituents are as described for compound (B1).
  • hydrocarbon group for R 21 examples include groups selected from alkyl groups, alkenyl groups, aralkyl groups, aryl groups, and aryl groups having substituents (hereinafter referred to as substituted aryl groups).
  • the hydrocarbon group of R 21 is preferably a group selected from an alkyl group and an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the alkyl group of R 21 is preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the alkenyl group of R 21 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the substituted aryl group for R 21 is an aryl group in which a hydrogen atom of an aromatic ring is substituted with a substituent, and examples thereof include an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group.
  • the substituted aryl group including the substituent has 4 to 27 carbon atoms.
  • Examples of the substituted aryl group include an aryl group in which one, two or three of the hydrogen atoms of the aromatic ring are substituted with a substituent such as a hydrocarbon group.
  • the aryl group of the substituted aryl group is preferably a phenyl group.
  • Examples of the substituted aryl group include substituted aryl groups having 13 to 27 carbon atoms.
  • Examples of the substituent of the substituted aryl group include a hydrocarbon group having 1 to 10 carbon atoms.
  • substituted aryl group a phenyl group substituted with an alkyl group having preferably 1 or more, more preferably 2 or more, and preferably 10 or less, more preferably 8 or less, or a phenyl group substituted with a benzyl group.
  • groups selected from styrenated phenyl groups examples include a group selected from a phenyl group substituted with a benzyl group and a styrenated phenyl group.
  • the substituted aryl group is preferably a group selected from a monobenzylphenyl group, a dibenzylphenyl group, a tribenzylphenyl group, a monostyrenated phenyl group, and a distyrenated phenyl group, more preferably a tribenzylphenyl group and distyrene.
  • R 21 is preferably an alkyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding and from an economical viewpoint.
  • R 21 is preferably an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of a cured product after centrifugal molding and ease of dissolution in water.
  • the number of carbon atoms of R 21 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, from the viewpoint of centrifugal moldability and / or the strength expression of the cured product after centrifugal molding and the improvement of dispersibility. , Preferably 22 or less, more preferably 20 or less, still more preferably 18 or less.
  • the carbon number is preferably 10 or more, more preferably 12 or more, and preferably 22 or less.
  • a group selected from 20 or less hydrocarbon groups and a hydrocarbon group in which a hydrogen atom of the hydrocarbon group is substituted with a substituent may be mentioned.
  • the number of carbon atoms is preferably 10 or more, more preferably 12 or more, and preferably 22 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • the number of carbon atoms is preferably 10 or more, more preferably 12 or more, and preferably 22 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • alkyl group having 20 or less preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, and preferably 10 or more, more preferably 12 or more, and preferably 22 or less
  • More preferred is a group selected from 20 or less alkenyl groups, preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group.
  • R 21 a phenyl group or a benzyl group substituted with an alkyl group having preferably 1 or more, more preferably 2 or more, and preferably 10 or less, more preferably 8 or less. Examples thereof include a substituted phenyl group and a styrenated phenyl group.
  • examples of R 21 include groups selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group.
  • a group selected from a lauryl group, a myristyl group, a palmityl group, a stearyl group, and an oleyl group preferably, a group selected from a lauryl group, a myristyl group, a palmityl group, a stearyl group, and an oleyl group.
  • Examples of the hydrocarbon group for R 21 include an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent (hereinafter referred to as a substituted aryl group) as described above.
  • the hydrocarbon group of R 21 is preferably a group selected from a substituted aryl group and an alkenyl group from the viewpoint of developing the strength of the cured product after steam curing.
  • the substituted aryl group for R 21 is an aryl group substituted with a hydrocarbon group, and examples thereof include a substituted aryl group having 13 to 27 carbon atoms.
  • the substituted aryl group for R 11 is an aryl group in which a hydrogen atom of an aromatic ring is substituted with a substituent, and examples thereof include an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group.
  • the substituted aryl group including the substituent has 4 to 27 carbon atoms.
  • Examples of the substituted aryl group include an aryl group in which one, two or three of the hydrogen atoms of the aromatic ring are substituted with a substituent such as a hydrocarbon group.
  • the aryl group of the substituted aryl group is preferably a phenyl group.
  • Examples of the substituted aryl group include substituted aryl groups having 13 to 27 carbon atoms.
  • Examples of the substituent of the substituted aryl group include a hydrocarbon group having 1 to 10 carbon atoms.
  • the substituted aryl group include a group selected from a phenyl group substituted with a benzyl group and a styrenated phenyl group.
  • the substituted aryl group is preferably a group selected from a monobenzylphenyl group, a dibenzylphenyl group, a tribenzylphenyl group, a monostyrenated phenyl group, and a distyrenated phenyl group, more preferably a tribenzylphenyl group and distyrene.
  • R 21 is preferably a substituted aryl group from the viewpoint of developing strength after steam curing and suppressing foaming of the hydraulic composition.
  • R 21 is preferably an alkenyl group from the viewpoint of expressing the strength of the cured product after steam curing and easiness of dissolution in water.
  • the substituted aryl group for R 21 is preferably a distyrenated phenyl group from the viewpoint of developing the strength of the cured product after steam curing.
  • the alkenyl group of R 21 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of developing the strength of the cured product after steam curing.
  • the number of carbons in R 21 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, from the viewpoint of developing the strength of the cured product after steam curing and improving the dispersibility. is there.
  • R 21 include carbonization with a carbon number of preferably 10 or more, more preferably 12 or more, and preferably 22 or less, from the viewpoint of developing the strength of the cured product after steam curing and improving dispersibility. And a group selected from a hydrogen group and a hydrocarbon group in which a hydrogen atom of the hydrocarbon group is substituted with a substituent.
  • the carbon number is preferably 10 or more, more preferably 12 or more, and preferably 22 or less or an alkenyl group, and examples thereof include a group selected from a group in which the hydrogen atom of the alkenyl group is substituted with a substituent, and a substituted aryl group, preferably a phenyl group substituted with a hydrocarbon group.
  • the number of carbon atoms is preferably 10 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 from the viewpoint of developing the strength of the cured product after steam curing.
  • a group selected from 20 or less alkenyl groups preferably an aliphatic alkenyl group, and more preferably a linear aliphatic alkenyl group.
  • a distyrenated phenyl group is preferable.
  • examples of R 21 include a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, an oleyl group, and a distyrenylated phenyl group.
  • X is O or COO, preferably O.
  • AO is an alkyleneoxy group having 2 or more and 4 or less carbon atoms, and from the viewpoint of centrifugal moldability and / or strength development of a cured product, preferably an alkyleneoxy group having 2 carbon atoms and a carbon number. 1 or more groups selected from 3 alkyleneoxy groups. From the viewpoint of centrifugal moldability and / or strength development of the cured body, it is preferable that AO contains an alkyleneoxy group having 2 carbon atoms.
  • n 2 is the average addition mole number of AO, the number viewpoint and from the viewpoint of cement dispersibility of 1 to 200 of strength development of centrifugal molding and / or curing thereof.
  • n 2 is preferably 10 or more, more preferably 20 or more, from the viewpoint of centrifugal moldability and / or strength development of the cured body and improvement of fluidity, and the ease of interaction with component (A) and economy.
  • the number is preferably 60 or less, more preferably 40 or less, from the viewpoint of general viewpoint and centrifugal moldability and / or strength development of the cured product.
  • n 2 is preferably 10 or more, preferably 25 or less, and more preferably 15 or less, from the viewpoint of developing the strength of the cured product after steam curing.
  • n 2 is preferably 1 or more and preferably 5 or less from the viewpoint of developing the strength of the cured product after steam curing.
  • n 2 is preferably 5 or more, more preferably 8 or more, further preferably 10 or more, more preferably 65 or less, and preferably 50 or less from the viewpoint of expressing the strength of the cured product after steam curing. Is more preferably 40 or less, still more preferably 35 or less, still more preferably 25 or less, and even more preferably 15 or less.
  • R 22 is a hydrogen atom or an alkyl group having 1 to 3 carbon atoms, and preferably a hydrogen atom.
  • Examples of the compound (B2) include polyoxyethylene alkyl ethers such as polyoxyethylene 2-ethylhexyl ether, polyoxyethylene decyl ether, polyoxyethylene lauryl ether, polyoxyethylene oleyl ether, and polyoxyethylene alkenyl ether. Moreover, polyoxyethylene alkylesters, such as polyoxyethylene monostearate, are mentioned. Moreover, polyoxyethylene substituted aryl ethers, such as polyoxyethylene distyrenated phenyl ether, are mentioned.
  • the compound (B3) is a compound represented by the general formula (B3).
  • R 31 in the general formula (B3) is a hydrocarbon group having 4 to 27 carbon atoms. This hydrocarbon group includes a hydrocarbon group containing a substituent. The substituents are as described for compound (B1).
  • hydrocarbon group for R 31 examples include groups selected from alkyl groups, alkenyl groups, aralkyl groups, aryl groups, and aryl groups having substituents (hereinafter referred to as substituted aryl groups).
  • substituted aryl groups examples include aryl groups in which one, two or three of the hydrogen atoms of the aromatic ring are substituted.
  • the hydrocarbon group for R 31 is preferably a group selected from an alkyl group and an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the alkyl group of R 31 is preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group alkyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the alkenyl group of R 31 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • R 31 is preferably an alkyl group from the viewpoint of centrifugal moldability and / or the development of strength of the cured product and from an economical viewpoint.
  • R 31 is preferably an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product and ease of dissolution in water.
  • the carbon number of R 31 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 from the viewpoint of centrifugal moldability and / or strength development of the cured product. Below, more preferably, it can be selected from 18 or less.
  • R 31 are preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product. More preferably, a group selected from a hydrocarbon group having 24 or less hydrocarbon groups and a hydrocarbon group in which a hydrogen atom of the hydrocarbon group is substituted with a substituent is exemplified.
  • the number of carbon atoms is preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26.
  • the number of carbon atoms is preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26.
  • an alkyl group having 24 or less preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, and preferably 10 or more, more preferably 12 or more, and preferably 27 or less
  • More preferred is a group selected from an alkenyl group of 26 or less, more preferably 24 or less, preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group.
  • examples of R 31 include groups selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group.
  • a group selected from a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group is mentioned.
  • the group chosen from a lauryl group, a myristyl group, a palmityl group, a stearyl group, and an oleyl group is mentioned.
  • AO is an alkyleneoxy group having 2 or more and 4 or less carbon atoms, and from the viewpoint of centrifugal moldability and / or strength development of the cured product, preferably an alkyleneoxy group having 2 carbon atoms and a carbon number. 1 or more groups selected from 3 alkyleneoxy groups. From the viewpoint of centrifugal moldability and / or strength development of the cured body, it is preferable that AO contains an alkyleneoxy group having 2 carbon atoms.
  • n 3 and n 4 are the same or different and each is an average addition mole number of AO, a number of 0 or more. From the viewpoints of centrifugal moldability and / or strength development of the cured body and cement dispersibility, the total of n 3 and n 4 is 1 or more, preferably 10 or more, more preferably 20 or more, and an economical viewpoint. To 200 or less, preferably 60 or less, more preferably 40 or less.
  • R 32 and R 33 are the same or different and each represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms.
  • R 32 and R 33 are each preferably a hydrogen atom from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • Examples of the compound (B3) include polyoxyalkylene alkylamines such as polyoxyethylene alkylamine.
  • the compound (B4) is a compound represented by the general formula (B4).
  • R 41 in the general formula (B4) is a hydrocarbon group having 4 to 27 carbon atoms. This hydrocarbon group includes a hydrocarbon group containing a substituent. The substituents are as described for compound (B1).
  • hydrocarbon group for R 41 examples include groups selected from alkyl groups, alkenyl groups, aralkyl groups, aryl groups, and aryl groups having substituents (hereinafter referred to as substituted aryl groups).
  • substituted aryl groups examples include aryl groups in which one, two or three of the hydrogen atoms of the aromatic ring are substituted.
  • the hydrocarbon group for R 41 is preferably a group selected from an alkyl group and an alkenyl group from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the alkyl group of R 41 is preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the alkenyl group of R 41 is preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group, from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • R 41 is preferably an alkyl group from the viewpoint of centrifugal moldability and / or the development of strength of the cured product and from an economical viewpoint.
  • R 41 is preferably an alkenyl group from the viewpoints of centrifugal moldability and / or strength development of the cured product and ease of dissolution in water.
  • the number of carbon atoms of R 41 is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 from the viewpoint of centrifugal moldability and / or strength development of the cured product. Below, more preferably, it can be selected from 18 or less.
  • R 41 are preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product. More preferably, a group selected from a hydrocarbon group having 24 or less hydrocarbon groups and a hydrocarbon group in which a hydrogen atom of the hydrocarbon group is substituted with a substituent is exemplified. Other specific examples of R 41 are preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26 from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • R 41 are preferably 10 or more, more preferably 12 or more, and preferably 27 or less, more preferably 26 from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • an alkyl group having 24 or less preferably an aliphatic alkyl group, more preferably a linear aliphatic alkyl group, and preferably 10 or more, more preferably 12 or more, and preferably 27 or less
  • More preferred is a group selected from an alkenyl group of 26 or less, more preferably 24 or less, preferably an aliphatic alkenyl group, more preferably a linear aliphatic alkenyl group.
  • examples of R 41 include groups selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group.
  • a group selected from a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group is mentioned.
  • the group chosen from a lauryl group, a myristyl group, a palmityl group, a stearyl group, and an oleyl group is mentioned.
  • AO is an alkyleneoxy group having 2 or more and 4 or less carbon atoms, and preferably has 2 alkylene atoms and 2 carbon atoms from the viewpoint of centrifugal moldability and / or strength development of the cured product. 1 or more groups selected from 3 alkyleneoxy groups. From the viewpoint of centrifugal moldability and / or strength development of the cured body, it is preferable that AO contains an alkyleneoxy group having 2 carbon atoms.
  • Y 1 and Y 2 are the same or different and are each a hydrogen atom or SO 3 M, and at least one of Y 1 and Y 2 is SO 3 M.
  • M is a counter ion, and examples thereof include a hydrogen ion, an alkali metal ion, an alkaline earth metal ion (1/2 ion), and an ammonium ion.
  • M is preferably an ammonium ion from the viewpoint of centrifugal moldability and / or the strength expression of the cured product and the ease of production of the compound.
  • M is preferably an alkali metal ion, more preferably an alkali metal ion selected from sodium ions and potassium ions, from the viewpoint of centrifugal moldability and / or the strength expression of the cured product and the odor of the compound.
  • n 5 and n 6 represents the same or different and each is an average addition mole number of AO, a number of 0 or more.
  • Y 1 is a hydrogen atom
  • Y 2 is a hydrogen atom.
  • the total of n 5 and n 6 is 1 or more, preferably 20 or more, more preferably 50 or more, and centrifugal moldability and From the viewpoint of developing the strength of the cured product and from an economical viewpoint, the number is 200 or less, preferably 150 or less, more preferably 100 or less.
  • n 5 and n 6 cannot be 0 at the same time. Therefore, the compound (B4) has at least one of (AO) n5 —SO 3 M and (AO) n6 —SO 3 M.
  • Examples of the compound (B4) include sulfated products of aliphatic amine alkylene adducts such as beef tallow amine ethylene oxide adduct sulfated products.
  • the component (B) may be one or more compounds belonging to the compound (B1), the compound (B2), the compound (B3), and the compound (B4).
  • the component (B) is preferably one or more compounds selected from the compound (B1), the compound (B2), and the compound (B3) from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the component (B) is preferably one or more compounds selected from the compound (B1) from the viewpoint of centrifugal moldability and / or strength development of the cured product.
  • the dispersant composition for a hydraulic composition of the present invention is composed of the compound (B1), the compound (B2), and the compound (B3) as the component (B) from the viewpoint of centrifugal moldability and / or strength development of the cured product. It is preferable to contain at least one compound selected from the compounds (B1) and at least one compound selected from the compounds (B1).
  • the dispersant composition for hydraulic composition of the present invention contains (A) component in the solid content, preferably 1% by mass or more.
  • the content is preferably 3% by mass or more, more preferably 5% by mass or more, and preferably 99% by mass or less, more preferably 97% by mass or less, and still more preferably 95% by mass or less.
  • solid content means components other than water.
  • the component (B) is preferably 2% by mass or more, more preferably 5% in the solid content from the viewpoint of centrifugal moldability and / or strength development of the cured product. It is contained by mass% or more, more preferably 7 mass% or more, and preferably 90 mass% or less, more preferably 80 mass% or less, still more preferably 70 mass% or less.
  • the dispersant composition for a hydraulic composition of the present invention includes:
  • the ratio of the content of the component (B) to the total content and the content of the component (B) is preferably 1% by mass or more and 60% by mass or less. This ratio is determined by [(B) component content / [(A) component content + (B) component content]] ⁇ 100 (mass%). Hereinafter, this ratio is also expressed as (B) / [(A) + (B)].
  • (B) / [(A) + (B)] is more preferably 3 from the viewpoint of centrifugal moldability and / or the strength expression of the cured body after centrifugal molding and the strength expression of the cured body after steam curing.
  • % By mass or more, more preferably 5% by mass or more, still more preferably 10% by mass or more, still more preferably 20% by mass, and more preferably 50% by mass or less, still more preferably 40% by mass or less, still more preferably. Is 30% by mass or less.
  • (B) / [(A) + (B)] is 1% by mass or more and 60% by mass or less.
  • (B) / [(A) + (B)] is based on the mixing amount of the component (A) and the mixing amount of the component (B) when the dispersant composition for hydraulic composition of the present invention is produced. May be calculated.
  • (B) / [(A) + (B)] is preferably 7% by mass when R 11 is a hydrocarbon group having 16 to 20 carbon atoms, from the viewpoint of developing the strength of the cured product after steam curing. More preferably, it is 15% by mass or more, and preferably 55% by mass or less, more preferably 45% by mass or less, still more preferably 35% by mass or less, and still more preferably 25% by mass or less.
  • (B) / [(A) + (B)] is preferably 7 when R 11 is a hydrocarbon group having 6 to 10 carbon atoms from the viewpoint of strength development of the cured product after steam curing. It is from 15% by mass to 15% by mass.
  • the dispersant composition for a hydraulic composition of the present invention exhibits centrifugal moldability and / or strength development of a cured product after centrifugal molding.
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component (A) is preferably 0.2% or more and 50% or less.
  • the molar ratio is preferably 0.5% or more, more preferably 0.8% or more, still more preferably 1.5% or more, still more preferably 5% or more, and preferably 45%. Below, more preferably 30% or less, still more preferably 20% or less, still more preferably 15% or less, still more preferably 10% or less, and still more preferably 8% or less.
  • the molar ratio is preferably 1.5% or more, more preferably 2% or more, and preferably 7% or less, more preferably 6% or less, still more preferably 5% or less, More preferably, it is 4.5% or less, and still more preferably 3% or less.
  • R 11 is alkenyl
  • the molar ratio is preferably 1.5% or more, more preferably 3% or more, still more preferably 4% or more, still more preferably 6.5% or more, and preferably 9%. % Or less, more preferably 8% or less.
  • the molar ratio is preferably 0.5% or more, more preferably 1% or more, still more preferably 2% or more, and even more preferably 3.5. % Or more, more preferably 5% or more, and preferably 45% or less, more preferably 40% or less, still more preferably 25% or less, still more preferably 15% or less, and even more preferably 10% or less. .
  • the molar ratio is preferably 0.3% or more, more preferably 0.5% or more, still more preferably 1.5% or more, and preferably Is 7% or less, more preferably 6% or less, and still more preferably 3% or less.
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component (A) is preferably from the viewpoint of improving the concrete kneading property. Is 16.1% or more and 50% or less, more preferably 30.1% or more.
  • the monomer unit containing a naphthalene ring is a monomer unit formed by a dehydration condensation reaction between naphthalenesulfonic acid or a salt thereof and formaldehyde.
  • the component (A) is a sodium salt of naphthalenesulfonic acid formaldehyde condensate
  • the total amount (mol) of monomer units containing a naphthalene ring in the compound is calculated by the following formula.
  • the sodium salt of naphthalenesulfonic acid formaldehyde condensate is expressed as NSF.
  • the total mass of monomer units containing a naphthalene ring in component (A) is the total mass of the compound when component (A) is a condensate of naphthalenesulfonic acid or a salt thereof and formaldehyde.
  • the total mass of the monomer units containing a naphthalene ring in the component (A) is the case where the component (A) is a condensate of naphthalenesulfonic acid or a salt thereof, formaldehyde, and other monomers not containing a naphthalene ring.
  • the mass of the monomer unit derived from the other monomer not containing the naphthalene ring may be calculated from the amount charged in the synthesis, or a general copolymer mass ratio such as a nuclear magnetic resonance spectrometer can be obtained. You may calculate using an analysis apparatus.
  • the molecular weight of the monomer unit containing a naphthalene ring in the component (A) is as follows.
  • the component (A) is a sodium salt of a naphthalene sulfonic acid formaldehyde condensate
  • the molecular weight of sodium naphthalene sulfonate (230.2) and the molecular weight of formaldehyde It can be determined as a value obtained by subtracting the molecular weight (18.0) of water, which is a by-product of the condensation reaction, from the sum of (30.0), that is, 242.2.
  • the dispersant composition for a hydraulic composition of the present invention for example, when the component (A) is a sodium salt of a naphthalenesulfonic acid formaldehyde condensate and the component (B) is a polyoxyethylene alkyl ether sulfate ammonium salt,
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component is obtained by separating the component (A) and the component (B) by a general method such as a reprecipitation method or a liquid separation method. The ratio can be measured and calculated.
  • the structure of the component (A) and the component (B) in the dispersant composition for hydraulic composition is obtained by changing the components (A) and (B) by a general method such as a reprecipitation method or a liquid separation method. It can isolate
  • the dispersant composition for a hydraulic composition of the present invention has a viewpoint of centrifugal moldability and / or strength development of the cured body, a viewpoint of further enhancing water reduction and fluidity retention, and a viewpoint of strength development of the cured body after steam curing.
  • component (C) a polycarboxylic acid copolymer (hereinafter referred to as component (C)).
  • a copolymer containing a monomer (C1) represented by the following general formula (C1) and a monomer (C2) represented by the following general formula (C2) as constituent monomers [ Hereinafter, it is referred to as a copolymer (C)].
  • R 11c , R 12c may be the same or different, hydrogen atom or methyl group
  • R 13c hydrogen atom or —COO (AO)
  • n ′ X 1 X 1 an alkyl group having 1 to 4 carbon atoms
  • AO a group selected from an ethyleneoxy group and a propyleneoxy group
  • n ′ an average added mole number of AO, a number from 1 to 300 p: 0 to 2 Indicates a number.
  • R 21c , R 22c , R 23c which may be the same or different, are a hydrogen atom, a methyl group or (CH 2 ) r COOM 2 , and (CH 2 ) r COOM 2 is COOM 1 or other (CH 2 ) R COOM 2 and may form an anhydride, in which case M 1 and M 2 of those groups are not present.
  • M 1 and M 2 may be the same or different and are a hydrogen atom, an alkali metal, an alkaline earth metal (1/2 atom), an ammonium group, an alkylammonium group or a substituted alkylammonium group r: a number from 0 to 2 Indicates. ]
  • R 11c is preferably a hydrogen atom.
  • R 12c is preferably a methyl group.
  • R 13c is preferably a hydrogen atom.
  • X 1 is preferably a methyl group.
  • AO is preferably an ethyleneoxy group. AO preferably contains an ethyleneoxy group.
  • n ′ is the average added mole number of AO and is a number of 1 or more and 300 or less. n ′ is preferably a number of 100 or more, more preferably 110 or more, and preferably 200 or less, more preferably 150 or less, from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding. .
  • n ′ is preferably 5 or more, more preferably 20 or more, still more preferably 40 or more, and preferably 200 or less, more preferably 150 or less, from the viewpoint of expressing the strength of the cured product after steam curing.
  • the number is preferably 100 or less, more preferably 80 or less, and still more preferably 50 or less.
  • p is preferably 0.
  • R 21c is preferably a hydrogen atom.
  • R 22c is preferably a methyl group.
  • R 23c is preferably a hydrogen atom.
  • (CH 2 ) r COOM 2 may form an anhydride with COOM 1 or other (CH 2 ) r COOM 2 , in which case the groups M 1 and M 2 are not present.
  • M 1 and M 2 may be the same or different, and each is preferably a hydrogen atom.
  • Formula (C2) in the (CH 2) r COOM 2 r is 1 are preferred.
  • the copolymer (C) has a total amount of monomer (C1) and monomer (C2) of 90% by mass.
  • the amount is preferably 92% by mass or more, more preferably 95% by mass or more, and 100% by mass or less. This total amount may be 100% by mass.
  • the ratio of the monomer (C2) to the total of the monomer (C1) and the monomer (C2) is from the viewpoint of centrifugal moldability and / or cured body strength after centrifugal molding. , Preferably 80 mol% or more, more preferably 90 mol% or more, and preferably 98 mol% or less, more preferably 97 mol% or less.
  • the ratio of the monomer (C2) to the total of the monomer (C1) and the monomer (C2) is preferably 60 from the viewpoint of developing the strength of the cured product after steam curing. It is at least mol%, more preferably at least 75 mol%, and preferably at most 90 mol%, more preferably at most 80 mol%, still more preferably at most 77 mol%.
  • the weight average molecular weight of the copolymer (C) is preferably 10,000 or more, more preferably 15,000 or more, and preferably 100,000 or less, more preferably 70,000 or less, and still more preferably 45,000 or less. This weight average molecular weight is measured by gel permeation chromatography (GPC) under the following conditions.
  • the dispersant composition for a hydraulic composition of the present invention contains the component (C)
  • the dispersant composition for a hydraulic composition of the present invention contains the component (C) in a solid content, preferably 1 mass. %, More preferably 3% by mass or more, still more preferably 5% by mass or more, and preferably 30% by mass or less, more preferably 20% by mass or less, still more preferably 15% by mass or less.
  • the dispersant composition for a hydraulic composition of the present invention includes a conventional cement dispersant, a water-soluble polymer compound, an air entraining agent, a cement wetting agent, an expanding material, a waterproofing agent, a retarding agent, a quick setting agent, and a thickening agent.
  • Ingredients such as flocculants, drying shrinkage reducing agents, strength enhancers, curing accelerators, preservatives, antifoaming agents (excluding those that fall under (A), (B), or (C)) Can be contained.
  • the form of the dispersant composition for hydraulic compositions of the present invention may be liquid or solid.
  • the dispersant composition for hydraulic composition of the present invention is liquid, it is preferable to contain water.
  • the water content is determined from the viewpoints of centrifugal moldability and / or strength development of the cured product and workability when preparing the hydraulic composition.
  • the composition preferably 10% by mass or more, more preferably 30% by mass or more, still more preferably 50% by mass or more, and the viewpoint of centrifugal moldability and / or the development of strength of the cured product, From the viewpoint of improving the fluidity of the hydraulic composition, it is preferably 90% by mass or less, more preferably 70% by mass or less.
  • the content of component (A) depends on the centrifugal moldability and / or the strength expression of the cured product and the fluidity of the hydraulic composition. From the viewpoint of improving, in the composition, preferably 1% by mass or more, more preferably 4% by mass or more, further preferably 7% by mass or more, and preferably 50% by mass or less, more preferably 32% by mass. Hereinafter, it is more preferably 27% by mass or less.
  • the content of the component (B) depends on the centrifugal moldability and / or the strength expression of the cured body and the fluidity of the hydraulic composition. From the viewpoint of improving, in the composition, preferably 1% by mass or more, more preferably 4% by mass or more, further preferably 7% by mass or more, and preferably 60% by mass or less, more preferably 50% by mass. Hereinafter, it is more preferably 32% by mass or less.
  • the total content of the component (A) and the component (B) depends on the centrifugal moldability and / or the strength expression of the cured body and the water.
  • the composition preferably 10% by mass or more, more preferably 20% by mass or more, still more preferably 30% by mass or more, and preferably 90% by mass or less. More preferably, it is 70 mass% or less, More preferably, it is 50 mass% or less.
  • the (A) component and the (C) component did not exhibit sufficient effects even when mixed and used. This is because the aromatic ring and the polyalkyleneoxy group interact and cancel each other's dispersion force, and because both components are high molecular compounds, the molecular weight increases in a pseudo manner and the viscosity increases. It is estimated that this is because dispersibility is lowered due to a significant decrease in mobility.
  • the component (B) when the component (B) is used in combination, it is presumed that the aromatic ring of the component (A) and the alkyl group of the component (B) interact, and the interaction between the component (A) and the component (C) is suppressed. Thus, it is presumed that it has become possible for the first time to use the component (A) and the component (C) together.
  • the component (C) And (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95 or more, still more preferably 0. 1 / 99.9 or more, more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, and still more preferably 10/90 or less. More than 0/100 means that the component (C) is more than 0 with respect to the component (A) 100 (the same applies hereinafter).
  • the component (A) is used from the viewpoint of centrifugal moldability and / or the strength expression of the cured product and the fluidity of the hydraulic composition.
  • the total content of the component is preferably 1% by mass or more, more preferably 4% by mass or more, still more preferably 7% by mass or more, and preferably 50% by mass or less in the composition. More preferably, it is 32 mass% or less, More preferably, it is 27 mass% or less.
  • the dispersant composition for a hydraulic composition of the present invention can be produced, for example, by mixing the component (A), the component (B), and the component (C) by an arbitrary method.
  • the present invention contains a dispersant composition for a centrifugal molding hydraulic composition of the present invention, a hydraulic powder, an aggregate, and water, and a water / hydraulic powder ratio of 10% by mass or more and 25% by mass. % Or less of the hydraulic composition for centrifugal molding. Moreover, this invention contains (A) component, (B) component, hydraulic powder, aggregate, and water, and water / hydraulic powder ratio is 10 mass% or more and 25 mass% or less. A hydraulic composition for centrifugal molding is provided. The present invention also includes a dispersant composition for a hydraulic composition for steam curing according to the present invention, a hydraulic powder, an aggregate, and water, and a water / hydraulic powder ratio of 10% by mass or more.
  • a hydraulic composition for steam curing which is 53% by mass or less and the total content of (A) and (B) is 0.25 parts by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the hydraulic powder.
  • this invention contains (A) component, (B) component, hydraulic powder, aggregate, and water, and water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less.
  • the ratio of the content of (B) to the total content of (A) and (B) is 1% by mass to 60% by mass, and the total content of (A) and (B)
  • a hydraulic composition for steam curing the amount of which is from 0.25 parts by mass to 10 parts by mass with respect to 100 parts by mass of the hydraulic powder.
  • the hydraulic composition refers to both or one of the centrifugal molding hydraulic composition of the present invention and the steam curing hydraulic composition of the present invention.
  • the hydraulic composition for centrifugal molding of the present invention refers to the hydraulic composition for centrifugal molding of the present invention of the above two aspects.
  • the hydraulic composition for steam curing of this invention points out the hydraulic composition for steam curing of this invention of the said 2 aspect.
  • the matter regarding the hydraulic composition for centrifugal molding of the present invention can be applied to the hydraulic composition for steam curing of the present invention.
  • the matter regarding the hydraulic composition for steam curing of the present invention can be applied to the hydraulic composition for centrifugal molding of the present invention.
  • Centrifugal hydraulic compositions are loaded by centrifugal forces, so uncured compositions such as ready-mixed concrete have high yield values (same as the stress at which they begin to move) and low shear stress (at a certain speed after they begin to move).
  • the slurry property of the hydraulic composition itself is improved by imparting a high yield value of the aromatic ring-based dispersant and further greatly improving the dispersibility (substantially the same as the viscosity). As will be more useful.
  • the hydraulic composition for steam curing is heated by steam, the property of speed of setting / curing time (reduction of necessary pre-setting time) is required.
  • the setting rate of the hydraulic composition itself is improved by greatly reducing the required amount of the dispersant added, and it becomes more useful for steam curing.
  • the hydraulic powder used in the hydraulic composition of the present invention is a powder having physical properties that are cured by a hydration reaction, and examples thereof include cement and gypsum.
  • Cement is preferred, and more preferred is ordinary portland cement, belite cement, medium heat cement, early strength cement, very early strength cement, sulfate resistant cement, and the like.
  • the hydraulic composition for centrifugal molding of the present invention has a water / hydraulic powder ratio of 10% by mass or more, more preferably 11% by mass or more, and still more preferably from the viewpoint of centrifugal moldability and / or strength development of the cured product. Is 12% by mass or more, more preferably 15% by mass or more, still more preferably 17% by mass or more, and preferably 25% by mass or less, preferably 24% by mass or less, more preferably 23% by mass or less, still more preferably Is 22% by mass or less, more preferably 20% by mass or less.
  • the hydraulic composition for steam curing according to the present invention has a water / hydraulic powder ratio of 10% by mass or more, preferably 18% by mass or more, from the viewpoint of improving the demoldability and strength development of the concrete product. Is 20% by mass or more, more preferably 25% by mass or more, further preferably 30% by mass or more, and 53% by mass or less, preferably 45% by mass or less, more preferably 40% by mass or less, still more preferably. 35% by mass or less.
  • the water / hydraulic powder ratio is the mass percentage (mass%) of water and hydraulic powder in the hydraulic composition, and is calculated by the mass of water / mass of hydraulic powder ⁇ 100. .
  • the water / hydraulic powder ratio is calculated based on the amount of water and the amount of powder having physical properties that are cured by a hydration reaction.
  • the powder having physical properties that hardens by a hydration reaction includes a powder having a pozzolanic action, a powder having a latent hydraulic property, and a powder selected from stone powder (calcium carbonate powder).
  • the amount is also included in the amount of hydraulic powder.
  • the amount of the high-strength admixture is also included in the amount of the hydraulic powder. The same applies to the following mass parts related to the mass of the hydraulic powder.
  • the hydraulic composition for centrifugal molding of the present invention is preferably 0.001 part by mass of component (A) with respect to 100 parts by mass of the hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured body. Or more, more preferably 0.01 parts by mass or more, still more preferably 0.1 parts by mass or more, still more preferably 0.4 parts by mass or more, still more preferably 0.6 parts by mass or more, and preferably 10 parts by mass. Or less, more preferably 5 parts by mass or less, still more preferably 3 parts by mass or less, still more preferably 2 parts by mass or less, and even more preferably 1 part by mass or less.
  • the hydraulic composition for centrifugal molding of the present invention contains (B) component, preferably 0.0001 parts by mass with respect to 100 parts by mass of the hydraulic powder. Or more, more preferably 0.001 parts by mass or more, still more preferably 0.01 parts by mass or more, still more preferably 0.03 parts by mass or more, still more preferably 0.05 parts by mass or more, and preferably 10 parts by mass. Or less, more preferably 5 parts by mass or less, still more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, and still more preferably 0.35 parts by mass or less.
  • the component (A) is preferably 0.15 parts by mass or more with respect to 100 parts by mass of the hydraulic powder from the viewpoint of demoldability and strength development.
  • the hydraulic composition for steam curing according to the present invention has the component (B), preferably 0.0025 parts by mass or more, with respect to 100 parts by mass of the hydraulic powder, from the viewpoint of demoldability and strength development.
  • the hydraulic composition of the present invention comprises (A) component and (B) component with respect to 100 parts by mass of hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • A component and (B) component with respect to 100 parts by mass of hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured product after centrifugal molding.
  • it contains 2 parts by mass or less. This content is preferable for the hydraulic composition for centrifugal molding of the present invention.
  • the hydraulic composition for steam curing of the present invention is a total of (A) component and (B) component with respect to 100 parts by mass of the hydraulic powder. 0.25 parts by mass or more, preferably 0.4 parts by mass or more, more preferably 0.6 parts by mass or more, and 10 parts by mass or less, preferably 5 parts by mass or less, more preferably 2 parts by mass or less.
  • the hydraulic composition of the present invention can contain a polycarboxylic acid copolymer of component (C).
  • component (C) used in the hydraulic composition of the present invention are the same as those described in the dispersant composition for hydraulic composition of the present invention.
  • the component (C) is preferably used with respect to 100 parts by mass of the hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured body. Is 0.01 parts by mass or more, more preferably 0.05 parts by mass or more, and preferably 2 parts by mass or less, more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, still more preferably 0.00. Contains 3 parts by mass or less.
  • the component (C) is added to 100 parts by mass of the hydraulic powder. Preferably it is 0.001 part by mass or more, more preferably 0.01 part by mass or more, and preferably 0.5 part by mass or less, more preferably 0.2 part by mass or less, still more preferably 0.1 part by mass or less. To do.
  • the mass ratio of the component (C) to the component (A) from the viewpoint of centrifugal moldability and / or strength development of the cured product and the fluidity of the hydraulic composition, C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95 or more, still more preferably 0.1 / 99.9 or more, even more
  • the ratio is preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, and still more preferably 10/90 or less.
  • the hydraulic composition of the present invention contains aggregate.
  • the aggregate includes an aggregate selected from fine aggregate and coarse aggregate.
  • Examples of the fine aggregate include those defined by the number 2311 in JIS A0203-2014.
  • Fine aggregates include river sand, land sand, mountain sand, sea sand, lime sand, silica sand and crushed sand, blast furnace slag fine aggregate, ferronickel slag fine aggregate, lightweight fine aggregate (artificial and natural) and reclaimed Examples include fine aggregates.
  • examples of the coarse aggregate include those defined by the number 2312 in JIS A0203-2014.
  • coarse aggregates examples include river gravel, land gravel, mountain gravel, sea gravel, lime gravel, crushed stones, blast furnace slag coarse aggregate, ferronickel slag coarse aggregate, lightweight coarse aggregate (artificial and natural) and recycled Coarse aggregate etc. are mentioned. Different types of fine aggregates and coarse aggregates may be used in combination, or a single type may be used.
  • the amount of coarse aggregate used reduces the expression of the strength of the hydraulic composition and the amount of hydraulic powder such as cement, and improves the filling properties of the formwork and the like.
  • the bulk volume is preferably 50% or more, more preferably 55% or more, still more preferably 60% or more, and preferably 100% or less, more preferably 90% or less, still more preferably 80% or less. It is.
  • the bulk volume is the ratio of the volume of coarse aggregate (including voids) in 1 m 3 of concrete.
  • the amount of fine aggregate used is preferably 500 kg / m 3 or more, more preferably 600 kg / m 3 or more, from the viewpoint of improving the filling property to the formwork or the like.
  • the amount of fine aggregate is preferably from 800 kg / m 3 or more, more preferably 900 kg / m 3 or more, more preferably 1000 kg / m 3 or more, and, preferably 2000kg / M 3 or less, more preferably 1800 kg / m 3 or less, and even more preferably 1700 kg / m 3 or less.
  • hydraulic composition examples include concrete. Among these, concrete using cement is preferable.
  • the hydraulic composition of the present invention can be used for self-leveling, for refractory, for plaster, for light or heavy concrete, for AE, for repair, for prepacked, for tramy, for ground improvement, for grout, for cold, etc. It is also useful in the field.
  • the hydraulic composition of the present invention can also contain an early strengthening agent such as glycerin and N-methyldiethanolamine and a chelating agent such as ethylenediaminetetraacetic acid sodium salt.
  • an early strengthening agent such as glycerin and N-methyldiethanolamine
  • a chelating agent such as ethylenediaminetetraacetic acid sodium salt.
  • the content of the chelating agent is preferably 0.1 parts by mass or less with respect to 100 parts by mass of the hydraulic powder from the viewpoint of strength development after steam curing.
  • the hydraulic composition of the present invention can further contain other components.
  • examples include AE agents, retarders, foaming agents, thickeners, foaming agents, waterproofing agents, fluidizing agents, and the like.
  • This invention provides the manufacturing method of the dispersing agent composition for hydraulic compositions which mixes (A) component and (B) component.
  • Specific examples and preferred embodiments of the component (A) and the component (B) used in the method for producing a dispersant composition for a hydraulic composition of the present invention are the dispersant composition for a hydraulic composition of the present invention. Same as described.
  • (A) component, (B) component, and (C) component are mixed, and the dispersing agent composition for hydraulic compositions containing (A) component, (B) component, and (C) component is obtained. It can also be manufactured. Specific examples and preferred embodiments of the component (C) are the same as those described in the dispersant composition for hydraulic composition of the present invention.
  • the component (C) And (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95 or more, still more preferably 0. 1 / 99.9 or more, more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, and still more preferably 10/90 or less.
  • the component (A) is used from the viewpoint of centrifugal moldability and / or the development of strength of the cured product and the fluidity of the hydraulic composition.
  • the total content of the component is preferably 1% by mass or more, more preferably 4% by mass or more, still more preferably 7% by mass or more, and preferably 50% by mass or less in the composition.
  • the component (A) and the component (C) are used so that the amount is more preferably 32% by mass or less, and further preferably 27% by mass or less.
  • the matters described in the dispersant composition for a hydraulic composition of the present invention can be appropriately applied to the method for producing the dispersant composition for a hydraulic composition of the present invention.
  • the method for producing a dispersant composition for a hydraulic composition of the present invention is suitable as a method for producing the dispersant composition for a hydraulic composition of the present invention.
  • (B) / [(A) + (B)] is 1 mass% or more and 60 mass% or less. That is, when manufacturing the dispersing agent composition for hydraulic compositions for steam curing of this invention, (A) component and (B) component are with respect to the sum total of the mixing amount of (A), and the mixing amount of (B) ( Mixing is performed so that the ratio of the amount of B) is 1% by mass or more and 60% by mass or less. (B) / [(A) + (B)] in the production method is calculated by replacing the content of each component with the mixed amount.
  • the preferred range of (B) / [(A) + (B)] is the dispersant composition for a hydraulic composition according to the present invention. It is the same as the stated range.
  • Examples of the method for producing the dispersant composition for a hydraulic composition of the present invention include a method for producing a dispersant composition for a hydraulic composition containing the component (A), the component (B), and water.
  • the mixing of the component (A), the component (B) and water can be performed by an arbitrary method as long as the performance is not deteriorated.
  • the aqueous solution of the component (A) heated to the freezing point of the component (B) and the method of mixing the component (B) with a stirrer, the component (A) and the component (B) are dissolved in water, respectively ( It can carry out like the method of mixing the aqueous solution of A) component and the aqueous solution of (B) component.
  • This invention provides the manufacturing method of the hydraulic composition which mixes hydraulic powder, aggregate, water, (A) component, and (B) component.
  • the hydraulic composition containing hydraulic powder, aggregate, water, (A) component, and (B) component is manufactured.
  • this invention provides the manufacturing method of the hydraulic composition which mixes hydraulic powder, aggregate, water, (A) component, (B) component, and (C) component.
  • a hydraulic composition containing hydraulic powder, aggregate, water, (A) component, (B) component, and (C) component is manufactured.
  • the centrifugal molding hydraulic composition of the present invention or the steam curing hydraulic composition of the present invention can be produced.
  • Specific examples and preferred embodiments of the component (A) and the component (B) used in the method for producing the hydraulic composition of the present invention are the same as those described in the dispersant composition for the hydraulic composition of the present invention.
  • the same. (B) / [(A) + (B)] can also be applied to the method for producing a hydraulic composition, but this ratio is based on the amount of component (A) and the amount of component (B) used for mixing. May be calculated.
  • (B) / [(A) + (B)] is 1 mass% or more and 60 mass% or less.
  • (A) component and (B) component are mixed amount of (B) with respect to the sum total of the mixed amount of (A) and the mixed amount of (B). Is mixed so that the ratio of 1 to 60% by mass.
  • (B) / [(A) + (B)] in the production method is calculated by replacing the content of each component with the mixed amount.
  • the preferred range of (B) / [(A) + (B)] is the same as the range described in the dispersant composition for hydraulic composition of the present invention. It is.
  • the specific example and preferable aspect of the hydraulic powder used for the manufacturing method of these hydraulic compositions of this invention are the same as what was described with the hydraulic composition of this invention.
  • the hydraulic powder is used so that the water / hydraulic powder ratio is in the range described in the hydraulic composition of the present invention.
  • hydraulic powder is mixed so that water / hydraulic powder ratio may be 10 mass% or more and 53 mass% or less.
  • the specific example and preferable aspect of the aggregate used for the manufacturing method of these hydraulic compositions of this invention are the same as what was described with the hydraulic composition of this invention.
  • the amount of aggregate used is also the same as that described for the hydraulic composition of the present invention.
  • (C) component used for the manufacturing method of these hydraulic compositions of this invention are the same as what was described by the dispersing agent composition for hydraulic compositions of this invention.
  • the matters described in the dispersant composition for hydraulic composition and the hydraulic composition of the present invention can be appropriately applied to the method for producing the hydraulic composition of the present invention.
  • component (A) 0.001 part by mass or more of component (A) with respect to 100 parts by mass of the hydraulic powder from the viewpoint of centrifugal moldability and / or strength expression of the cured body. 0.01 parts by mass or more, 0.1 parts by mass or more, 0.15 parts by mass or more, 0.2 parts by mass or more, 0.3 parts by mass or more, 0.4 parts by mass or more, 0.47 parts by mass or more, 0 0.5 parts by mass or more, or 0.6 parts by mass or more, and 10 parts by mass or less, 9.9 parts by mass or less, 5 parts by mass or less, 2 parts by mass or less, 1 part by mass or less, 0.9 parts by mass or less, It can select and mix from 0.6 mass part or less or 0.52 mass part or less.
  • component (B) with respect to 100 parts by mass of the hydraulic powder.
  • 0.001 parts by mass or more 0.0025 parts by mass or more, 0.01 parts by mass or more, 0.03 parts by mass or more, 0.05 parts by mass or more, or 0.06 parts by mass or more, and 10 parts by mass or less.
  • 6 parts by mass or less 5 parts by mass or less, 2 parts by mass or less, 1 part by mass or less, more preferably 0.5 parts by mass or less, still more preferably 0.35 parts by mass or less, or 0.2 parts by mass or less.
  • the component (A) is preferably used with respect to 100 parts by mass of the hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured body.
  • 0.001 parts by mass or more more preferably 0.01 parts by mass or more, further preferably 0.1 parts by mass or more, still more preferably 0.4 parts by mass or more, still more preferably 0.6 parts by mass or more, and ,
  • 10 parts by mass or less more preferably 5 parts by mass or less, still more preferably 3 parts by mass or less, still more preferably 2 parts by mass or less, and still more preferably 1 part by mass or less.
  • the component (B) is preferably 0.0001 mass with respect to 100 mass parts of the hydraulic powder.
  • (A) component and (B ) Component in total preferably 0.1 parts by weight or more, more preferably 0.5 parts by weight or more, still more preferably 0.7 parts by weight or more, and preferably 10 parts by weight or less, more preferably 5 parts by weight. Or less, more preferably 2 parts by mass or less.
  • (A) component with respect to 100 mass parts of hydraulic powder Preferably it is 0.15 mass part or more. More preferably 0.2 parts by mass or more, still more preferably 0.3 parts by mass or more, still more preferably 0.5 parts by mass or more, and preferably 9.9 parts by mass or less, more preferably 5 parts by mass or less. More preferably, it is 2 parts by mass or less, and still more preferably 1 part by mass or less.
  • (B) component with respect to 100 mass parts of hydraulic powder Preferably it is 0.0025 mass part or more.
  • the total of component (A) and component (B) is added to 100 parts by mass of the hydraulic powder. 0.25 parts by mass or more, preferably 0.4 parts by mass or more, more preferably 0.6 parts by mass or more, and 10 parts by mass or less, preferably 5 parts by mass or less, more preferably 2 parts by mass or less, Mix.
  • the component (C) is used, in the method for producing a hydraulic composition of the present invention, the component (C) is used with respect to 100 parts by mass of the hydraulic powder from the viewpoint of centrifugal moldability and / or strength development of the cured body. Is preferably 0.001 part by mass or more, more preferably 0.01 part by mass or more, further preferably 0.05 part by mass or more, and preferably 2 parts by mass or less, more preferably 1 part by mass or less, still more preferably. Is 0.5 parts by mass or less, more preferably 0.3 parts by mass or less.
  • the component (A) and the component (C) are combined from the viewpoints of centrifugal moldability and / or strength development of the cured product and improving the fluidity of the hydraulic composition.
  • (C) component to (A) component mass ratio, (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95 or more, Still more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, still more preferably 10/90 or less.
  • the total of component (A) and component (B) is preferably 0.1 parts by mass or more, more preferably 0.5 parts by mass or more, still more preferably 0.7 parts by mass or more, and preferably 10 parts by mass or less, more preferably 5 parts by mass or less, still more preferably 2 parts by mass or less, still more preferably 1 part by mass or less.
  • This mixing amount is preferable when the centrifugal molding hydraulic composition of the present invention is produced.
  • hydraulic powder is used from the viewpoint of increasing the frequency of use of formwork due to strength development with respect to 100 parts by mass of the hydraulic powder.
  • the total of component (A) and component (B) is 0.25 parts by mass or more, preferably 0.4 parts by mass or more, more preferably 0.6 parts by mass or more, and 10 parts by mass or less, preferably 5 parts by mass or less, more preferably 2 parts by mass or less.
  • the component (A) and the component (B) and water are preferably mixed in advance and mixed with hydraulic powder.
  • the dispersant composition for a hydraulic composition of the present invention containing water can be used.
  • the method of mixing hydraulic powder, such as cement, and the dispersing agent composition for hydraulic compositions of this invention is preferable.
  • the dispersant composition for a hydraulic composition of the present invention may be a powder or a liquid.
  • the dispersant composition for a hydraulic composition of the present invention is preferably 0.1 parts by mass or more, more preferably 0.2 parts by mass or more, further with respect to 100 parts by mass of the hydraulic powder.
  • Mixing of the hydraulic powder, water, the component (A), the component (B), and the components used as necessary can be performed using a mixer such as a mortar mixer or a forced biaxial mixer. .
  • the mixing is preferably performed for 1 minute or more, more preferably 2 minutes or more, and preferably 5 minutes or less, more preferably 3 minutes or less.
  • the materials and chemicals described in the hydraulic composition and their amounts can be used.
  • the obtained hydraulic composition is further filled with a hydraulic composition in a mold, cured and cured.
  • a formwork a formwork for a building, a formwork for a concrete product, and the like can be given.
  • Examples of the method of filling the mold include a method of directly feeding from a mixer, a method of pumping the hydraulic composition with a pump and introducing it into the mold.
  • curing may be performed by heating to promote curing, thereby promoting curing.
  • heat curing can hold
  • Step 1 Mixing water, hydraulic powder, aggregate, and the dispersant composition for centrifugal molding hydraulic composition of the present invention, the water / hydraulic powder ratio is 10 mass% or more and 25 mass% or less.
  • a step of preparing a hydraulic composition Step 2: A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • this invention provides the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 Water, hydraulic powder, the following (A), the following (B), and an aggregate are mixed, and the hydraulic composition for centrifugal molding having a water / hydraulic powder ratio of 10% by mass to 25% by mass.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • this invention provides the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 Water, hydraulic powder, the following (A), the following (B), the following (C) and aggregate are mixed, and the water / hydraulic powder ratio is 10% by mass to 25% by mass.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • the above three manufacturing methods perform centrifugal molding, and these three manufacturing methods are hereinafter referred to as manufacturing methods of the first group of cured bodies.
  • Step 1 ' Water, hydraulic powder, aggregate, and the dispersant composition for hydraulic composition for steam curing according to the present invention are mixed, and the water / hydraulic powder ratio is 10 mass% or more and 53 mass%.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • this invention provides the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 ' Water, hydraulic powder, the following (A), the following (B), and an aggregate are mixed, and a hydraulic composition for steam curing in which the water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • this invention provides the manufacturing method of the hardening body of the hydraulic composition including the following process.
  • Step 1 ′ Water, hydraulic powder, the following (A), the following (B), the following (C) and aggregate are mixed, and the water / hydraulic powder ratio is 10% by mass or more and 53% by mass or less.
  • the process of mixing so that 60 mass% or less and the sum total of the mixing amount of (A) and (B) may be 0.25 mass part or more and 10 mass parts or less with respect to 100 mass parts of hydraulic powder.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • the above three manufacturing methods perform steam curing, and these three manufacturing methods are hereinafter referred to as methods for manufacturing a second group of cured bodies.
  • the specific example and preferable aspect of the hydraulic powder used for the manufacturing method of the hardening body of these hydraulic compositions of this invention are the same as what was described with the hydraulic composition of this invention.
  • the specific example and preferable aspect of the aggregate used for the manufacturing method of these hardening bodies of the hydraulic composition of this invention are the same as what was described with the hydraulic composition of this invention.
  • the amount of aggregate used is also the same as that described for the hydraulic composition of the present invention.
  • Specific examples and preferred embodiments of the component (C) used in the method for producing a cured product of the hydraulic composition of the present invention are the same as those described in the dispersant composition for hydraulic composition of the present invention. is there.
  • the matters described in the dispersant composition for the hydraulic composition, the hydraulic composition, and the method for producing the hydraulic composition of the present invention are appropriately applied to the method for producing a cured product of the hydraulic composition of the present invention. Can do.
  • the method for producing a cured body of the first group of the present invention preferably includes the following step 5 in addition to steps 1 to 4.
  • Step 5 A step of steam curing the hydraulic composition condensed in Step 4 in a mold.
  • the method for producing the first group of cured products of the present invention can include the following step 6 in addition to steps 1 to 5.
  • Process 6 The process of cooling a hydraulic composition after process 5 and demolding from a formwork.
  • the method for producing a first group of cured bodies of the present invention can include the following step 7 in addition to steps 1 to 6.
  • Process 7 The process of curing the hardening body of the hydraulic composition obtained at the process 6 at normal temperature normal pressure.
  • step 1 of the manufacturing method of the first group of cured bodies there is a method in which a mixture containing water and the dispersant composition for a centrifugal molding hydraulic composition of the present invention is added to the aggregate and the hydraulic powder and mixed. Even when producing a hydraulic composition, it is preferable in that it can be easily and uniformly mixed.
  • Step 1 a mixture of hydraulic powder and aggregate, and a mixture containing water and the dispersant composition for the centrifugal molding hydraulic composition of the present invention is mixed as described above. And a step of preparing a hydraulic composition by adding and kneading.
  • Step 1 of the method for producing a cured body of the first group when the dispersant composition for a centrifugal molding hydraulic composition of the present invention is not used, the component (A) and the component (B), and the component (C) Separately, it can be added and mixed with water, hydraulic powder, or aggregate.
  • the preferable range of the kneading amount of water and the dispersant composition for the centrifugal molding hydraulic composition of the present invention in the hydraulic powder in step 1 is the preferable range of the content of each component in the hydraulic composition of the present invention.
  • the water / hydraulic powder ratio is 10% by mass or more, preferably 11% by mass or more, more preferably 15% by mass or more, and still more preferably, from the viewpoint of centrifugal moldability and / or strength development of the cured product. Is 17% by mass or more and 25% by mass or less, preferably 24% by mass or less, more preferably 23% by mass or less, and still more preferably 22% by mass or less.
  • the hydraulic powder is mixed so that the water / hydraulic powder ratio falls within this range.
  • Step 2 of the first method for producing a cured body the method of filling the formwork with the hydraulic composition obtained in Step 1 involves discharging the kneaded hydraulic composition from the kneading means and manually Can be put into the formwork.
  • step 3 of the method for producing the first group of cured bodies the hydraulic composition filled in the mold is clamped by applying centrifugal force, and at this time, it is preferable to change the centrifugal force at least once.
  • the hydraulic composition can be clamped by applying a centrifugal force that changes stepwise. That is, in step 3, the hydraulic composition can be clamped at least once by changing the centrifugal force, and can be clamped by applying a centrifugal force that changes stepwise and increases stepwise. .
  • the hydraulic composition filled in the mold is preferably clamped with a centrifugal force of 0.5 G or more.
  • Centrifugal force of centrifugal molding is preferably 0.5G or more and 30G or less, more preferably 25G or less. From the viewpoint of energy cost reduction and moldability, it is preferable to keep the centrifugal force in a range of 15 G or more, 30 G or less, and further 25 G or less (also referred to as high centrifugal force) for 1 minute or more.
  • the compaction with a centrifugal force is, for example, 0.5 G or more and 30 G or less, preferably 5 minutes or more, more preferably 7 minutes or more, still more preferably 9 minutes or more, and preferably 40 minutes or less.
  • compaction by holding a high centrifugal force for example, a centrifugal force of 20 G or more, is preferably 1 minute or more, more preferably 3 minutes or more, still more preferably 5 minutes or more, and preferably Perform for 15 minutes or less. That is, in the step 3, the centrifugal force of 0.5 G or more and 30 G or less is preferably 5 minutes or more, more preferably 7 minutes or more, still more preferably 9 minutes or more, and preferably 40 minutes or less.
  • Step 3 compaction by holding a centrifugal force of 20 G or more can be performed preferably for 1 minute or more, more preferably for 3 minutes or more, still more preferably for 5 minutes or more, and preferably for 15 minutes or less.
  • the compaction by centrifugal force can be performed in stages, and a method of increasing the centrifugal force G in stages is preferable from the viewpoint of moldability. It can carry out until it becomes a desired centrifugal force on the step conditions as shown below. For example, in the case of five stages, in step 3, (1) the initial speed at the first stage is 0.5 G or more and less than 2 G with a centrifugal force of 0 to more than 15 minutes and (2) the second speed at the second stage is 2G.
  • step 4 of the method for producing the first group of cured bodies the hydraulic composition obtained in step 3 is condensed. Specifically, air curing is performed for 3 to 4 hours after kneading.
  • step 5 of the manufacturing method of the first group of cured bodies the cured hydraulic composition that has entered the mold obtained in step 4 is steam-cured.
  • steam curing is preferably performed at 40 ° C. or more and 90 ° C. or less, and steam curing is more preferably performed at 60 ° C. or more and 90 ° C. or less.
  • the ambient temperature of the mold filled with the hydraulic composition (hereinafter sometimes referred to as ambient temperature) is room temperature, preferably 10 ° C. or higher and 40 ° C. or lower. After performing, steam curing can be performed at an ambient temperature of 40 ° C. or higher and 90 ° C.
  • the pre-curing was carried out as “preliminary” in the examples and comparative examples described later.
  • the pre-curing is preferably 1 hour or longer from the viewpoint of suppressing the strength reduction due to cracking of the cured body.
  • the process 5 and the process 6 can be performed continuously under a series of temperature control. Steam curing is performed by holding water vapor around the mold filled with the hydraulic composition and holding it at a predetermined temperature for a certain period of time.
  • the period may be a steam curing period.
  • the ambient temperature of the mold is increased from 60 ° C. to 85 ° C. at a temperature rising rate of 10 ° C. to 30 ° C. per hour.
  • the temperature is raised and maintained at a temperature of 2 hours to 8 hours.
  • the ambient temperature is cooled to room temperature, for example, 20 ° C. at a temperature lowering rate of 5 ° C. to 20 ° C. per hour.
  • the temperature increase rate is preferably 20 ° C. or less per hour from the viewpoint of suppressing strength reduction due to cracks in the cured body.
  • the mold filled with the hydraulic composition is allowed to stand for 3 hours (pre-curing) at an ambient temperature of room temperature, for example, 10 ° C. or more and 30 ° C. or less, and the temperature is increased to 20 ° C. per hour.
  • the ambient temperature is raised to 70 ° C. or more and 90 ° C. or less at a temperature rate, and the elevated temperature of 70 ° C. or more and 90 ° C. or less is maintained for 2 hours or more and 6 hours or less, and then at a temperature lowering rate of 10 ° C. per hour.
  • An example is a method in which the ambient temperature is cooled to room temperature, for example, 20 ° C. (step 5), and the molded body is demolded after being left at that temperature for 20 hours or more and 30 hours or less (step 6). Further, it is possible to carry out an autoclave curing at about 180 ° C.
  • step 7 of the manufacturing method of the first group of cured bodies the cured body of the hydraulic composition obtained in step 6 is cured at normal temperature and pressure. Specifically, it is stored at 20 ° C. under atmospheric pressure.
  • the production method of the first group of cured products of the present invention includes steps 1 to 6, and the time from the start of the preparation of the hydraulic composition to the demolding in step 6 is 8 hours to 30 hours.
  • the manufacturing method of the hardening body of a certain hydraulic composition is mentioned.
  • the start of the preparation of the hydraulic composition is the time when the hydraulic powder and water first contact each other.
  • the mass ratio of (C) component and (A) component, (C) / (A) becomes like this.
  • it is 0/100 or more, More preferably, it exceeds 0/100 More preferably 0.05 / 99.95 or more, still more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30. / 70 or less, more preferably 10/90 or less.
  • the hardened body of the hydraulic composition obtained by the method for producing a hardened body of the first group of the present invention can be used as a centrifugal molded concrete product, and specifically includes a pile, a pole, a fume tube, and the like.
  • the cured product of the hydraulic composition obtained by the method for producing a cured product of the first group of the present invention has excellent initial strength and generates less waste during production, thereby reducing waste at the production site of the product. it can.
  • it is excellent in compaction there are few irregularities on the inner surface and end surface of the product, it is excellent in surface aesthetics, and further, the inner surface of the product is finished smoothly, which improves the trouble of the cutting machine during pile driving and Nakabori method .
  • process 1 ' can be implemented similarly to the process 1 of the manufacturing method of the 1st group hardening body of this invention.
  • the preferred embodiment of step 1 ′ can be selected from the preferred embodiments of step 1.
  • the hydraulic composition prepared in step 1 ′ has properties suitable for steam curing. Specifically, the water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less, and the total content of the component (A) and the component (B) is 0 with respect to 100 mass parts of the hydraulic powder. It is a hydraulic composition that is not less than 25 parts by mass and not more than 10 parts by mass.
  • step 1 ′ of the method for producing a cured body of the second group when the dispersant composition for a hydraulic composition for steam curing according to the present invention is not used, the components (A) and (B), and further the component (C) Separately, it can be added to water, hydraulic powder and aggregate and mixed.
  • step 1 ′ the component (A) and the component (B) are mixed into a ratio of the amount of the component (B) to the sum of the amount of the component (A) and the amount of the component (B), that is, (B) / [(A) + (B)] is 1% by mass or more and 60% by mass or less, and the total amount of the component (A) and the component (B) is 0.25% by mass with respect to 100 parts by mass of the hydraulic powder. It mixes so that it may become 10 to 10 mass parts.
  • the preferable range of (B) / [(A) + (B)] in the step 1 ′ is the same as the range described in the dispersant composition for hydraulic composition of the present invention.
  • the water / hydraulic powder ratio is 10% by mass or more, preferably 18% by mass or more, preferably 20% by mass or more, from the viewpoint of improving the demoldability and strength development of the concrete product. More preferably, it is 25% by mass or more, more preferably 30% by mass or more, and 53% by mass or less, preferably 45% by mass or less, more preferably 40% by mass or less, still more preferably 35% by mass or less.
  • a hard composition is prepared.
  • the hydraulic powder is mixed so that the water / hydraulic powder ratio falls within this range.
  • step 2 ' can be carried out in the same manner as step 2 of the method for producing the first group of cured bodies of the present invention.
  • the mold used in step 2 ' has properties suitable for performing steam curing.
  • steam curing of process 5 ' can be carried out similarly to process 5 of the manufacturing method of the 1st group hardening body of the present invention.
  • the specific conditions for the introduction, temperature increase, holding, or temperature decrease may be changed.
  • the steam curing in step 5 ′ is preferably allowed to stand, for example, at 10 ° C. or more and 40 ° C. or less for 0.2 hours or more and 4 hours or less, and 20 ° C. or more per hour.
  • the ambient temperature is raised at a rate of temperature rise of 100 ° C. or lower, and the temperature is raised to 50 ° C. or higher and 70 ° C.
  • step 5 ′ Pre-curing for curing is preferably 10 ° C. or more and 40 ° C. or less, preferably 0.2 hours or more, more preferably 0.3 hours or more, and preferably 4 hours or less, more preferably 3.5 hours or less, More preferably, it is performed for 2.5 hours or less, more preferably 0.7 hours or less.
  • step 5 ′ The steam curing pre-curing is preferably 10 ° C. or more and 40 ° C. or less, preferably 0.2 hours or more, more preferably 0.3 hours or more, still more preferably 0.5 hours or more, and still more preferably 0.8. 7 hours or more, more preferably 1.5 hours or more, and preferably 4 hours or less, more preferably 3 hours or less, and further preferably 2.5 hours or less.
  • the manufacturing method of the 2nd group hardening body of this invention can include following process 6 '.
  • Step 6 ′ Step of cooling the hydraulic composition after step 5 ′ and removing it from the mold.
  • process 6 ' can be implemented similarly to the process 6 of the manufacturing method of the 1st group hardening body of this invention.
  • the manufacturing method of the 2nd group hardening body of this invention can include the following process 7 '.
  • Step 7 ' A step of curing the cured product of the hydraulic composition obtained in Step 6' at normal temperature and pressure.
  • process 7 ' can be implemented similarly to the process 7 of the manufacturing method of the 1st group hardening body of this invention.
  • the mass ratio of (C) component and (A) component, (C) / (A) becomes like this.
  • it is 0/100 or more, More preferably, it exceeds 0/100 More preferably 0.05 / 99.95 or more, still more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30. / 70 or less, more preferably 10/90 or less.
  • the cured body of the hydraulic composition obtained by the method for producing the second group of cured bodies of the present invention can be used as a large concrete product.
  • Specific examples include concrete products selected from curtain walls, box culverts, and L-type retaining walls.
  • the curtain wall is a product that constructs a building or a wall, for example, and the box culvert and the L-shaped retaining wall are products that construct a waterway or a road, for example.
  • the present invention discloses the use of a composition containing the component (A) and the component (B) as a dispersant for a hydraulic composition for centrifugal molding.
  • this invention contains (A) component and (B) component, and the ratio of the content of (B) with respect to the sum total of content of (A) and content of (B) is 1 mass% or more 60
  • Disclosed is a use of a composition having a mass% or less as a dispersant for a hydraulic composition for steam curing.
  • the present invention also includes a dispersant composition for a centrifugal molding hydraulic composition of the present invention, a hydraulic powder, an aggregate, and water, and a water / hydraulic powder ratio of 10% by mass or more.
  • this invention contains (A) component, (B) component, hydraulic powder, aggregate, and water, and water / hydraulic powder ratio is 10 mass% or more and 25 mass% or less. Is disclosed as a hydraulic composition for centrifugal molding.
  • the present invention also includes a dispersant composition for a hydraulic composition for steam curing according to the present invention, a hydraulic powder, an aggregate, and water, and a water / hydraulic powder ratio of 10% by mass or more.
  • this invention contains (A) component, (B) component, hydraulic powder, aggregate, and water, and water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less.
  • the ratio of the content of the component (B) to the total content of the component (A) and the component (B) is 1% by mass or more and 60% by mass or less, and the component (A) and the component (B) Disclosed is a use of a composition having a total component content of 0.25 parts by mass or more and 10 parts by mass or less based on 100 parts by mass of a hydraulic powder as a hydraulic composition for steam curing.
  • the dispersant composition for hydraulic compositions of the present invention, the hydraulic composition, the method for producing the dispersant composition for hydraulic compositions, the method for producing the hydraulic composition, and the hydraulic composition The matters described in the method for producing a cured product can be appropriately applied.
  • this invention discloses the composition containing (A) component and (B) component for using for the dispersing agent for hydraulic compositions for centrifugal molding. Moreover, this invention contains (A) component and (B) component for using for the dispersing agent for hydraulic compositions for steam curing, (A) component content, and (B) component content.
  • the composition whose content ratio of the component (B) with respect to the total is 1% by mass or more and 60% by mass or less is disclosed.
  • the present invention also includes a dispersant composition for a centrifugal molding hydraulic composition of the present invention, a hydraulic powder, an aggregate, and water for use in a centrifugal molding hydraulic composition, Disclosed is a composition having a hydraulic powder ratio of 10% by mass to 25% by mass.
  • the present invention also includes a component (A), a component (B), a hydraulic powder, an aggregate and water for use in a centrifugal molding hydraulic composition, and a water / hydraulic powder.
  • the composition whose body ratio is 10 mass% or more and 25 mass% or less is disclosed.
  • the present invention also includes a dispersant composition for a steam curing hydraulic composition of the present invention, a hydraulic powder, an aggregate, and water for use in a steam curing hydraulic composition, / Hydraulic powder ratio is 10% by mass or more and 53% by mass or less, and the total content of component (A) and component (B) is 0.25 part by mass or more and 10 parts by mass with respect to 100 parts by mass of hydraulic powder. Disclosed are compositions that are parts by weight or less.
  • the present invention also includes a component (A), a component (B), a hydraulic powder, an aggregate, and water for use in a steam curing hydraulic composition, and a water / hydraulic powder.
  • the body ratio is 10 mass% or more and 53 mass% or less, and the ratio of the content of the component (B) to the total content of the component (A) and the content of the component (B) is 1 mass% or more and 60 mass%. % Or less, and the total content of the component (A) and the component (B) is 0.25 parts by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the hydraulic powder.
  • compositions include a dispersant composition for a hydraulic composition of the present invention, a hydraulic composition, a method for producing a dispersant composition for a hydraulic composition, a method for producing a hydraulic composition, and a hydraulic composition.
  • the matters described in the method for producing a cured product can be appropriately applied.
  • the dispersion composition for a hydraulic composition the hydraulic composition, the method for producing the dispersant composition for a hydraulic composition, the method for producing the hydraulic composition, and the hydraulic composition of the present invention
  • the matters described in the method for producing a cured product can be appropriately applied.
  • a dispersant for hydraulic powder comprising a polymer compound containing an aromatic ring [hereinafter referred to as component (A)] and (B) a compound represented by the following general formula (B1) [hereinafter referred to as compound (B1) )], A compound represented by the following general formula (B2) [hereinafter referred to as compound (B2)], a compound represented by the following general formula (B3) [hereinafter referred to as compound (B3)], and the following general formula
  • a dispersant composition for a hydraulic composition for centrifugal molding comprising one or more compounds selected from the compound represented by (B4) [hereinafter referred to as compound (B4)] [hereinafter referred to as component (B)]. .
  • R 11 , R 21 , R 31 , R 41 are each independently a hydrocarbon group having 4 to 27 carbon atoms
  • R 22 represents a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • R 32 and R 33 are the same or different and are each a hydrogen atom or an alkyl group having 1 to 3 carbon atoms
  • X is O or COO
  • AO is an alkyleneoxy group having 2 to 4 carbon atoms
  • n 1 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 2 is the average added mole number of AO, and is a number of 1 or more and 200 or less
  • n 3 and n 4 are the same or different and each represents the average number of added moles of AO and is a number of 0 or more
  • the total of n 3 and n 4 is a number of 1 to 200
  • Y 1 and Y 2 are the same or different and are each a hydrogen atom or
  • Dispersant composition for hydraulic composition for steam curing which is:
  • the dispersant composition for a hydraulic composition here means a dispersant composition for a centrifugal molding hydraulic composition or a dispersant composition for a steam curing hydraulic composition, and the same applies to the following.
  • the monomer unit containing an aromatic ring of component (A) is one or more monomer units selected from a monomer unit containing a benzene ring, a monomer unit containing a naphthalene ring, and a monomer unit containing a triazine ring, ⁇
  • ⁇ 5> The hydraulic composition according to any one of ⁇ 1> to ⁇ 4>, wherein the component (A) is a dispersant for hydraulic powder comprising a polymer compound having a monomer unit containing a naphthalene ring. Dispersant composition.
  • ⁇ 6> The dispersant composition for a hydraulic composition according to ⁇ 5>, wherein the component (A) is a naphthalenesulfonic acid formaldehyde condensate or a salt thereof.
  • the weight average molecular weight of the naphthalenesulfonic acid formaldehyde condensate or salt thereof measured by gel permeation chromatography (GPC) under the following conditions is preferably 200,000 or less, more preferably 100,000 or less, and still more preferably. Is 80,000 or less, more preferably 50,000 or less, still more preferably 30,000 or less, and preferably 1,000 or more, more preferably 3,000 or more, and still more preferably 4,000 or more.
  • the component (A) is one or more hydraulic powder dispersants selected from phenolic dispersants, lignin dispersants, melamine dispersants, and styrene sulfonic acid dispersants, ⁇ 1 >
  • the hydrocarbon group of R 11 in the general formula (B1) is a group selected from an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent, ⁇ 1> to ⁇ 8 >
  • the hydrocarbon group of R 11 in formula (B1) is a group selected from an alkyl group, an alkenyl group, and an aryl group having a substituent, preferably an alkenyl group and an aryl group having a substituent.
  • the dispersant composition for a hydraulic composition according to ⁇ 10> wherein the alkyl group is an aliphatic alkyl group, preferably a linear aliphatic alkyl group.
  • the aryl group having a substituent is (1) an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group, and (2) one, two or three of the hydrogen atoms of an aromatic ring Is an aryl group substituted with a hydrocarbon group, and (3) substituted with an alkyl group having preferably 1 or more, more preferably 2 or more, and preferably 10 or less, more preferably 8 or less carbon atoms.
  • R 11 in the general formula (B1) is an alkenyl group.
  • R 11 in the general formula (B1) is an alkenyl group.
  • the carbon number of R 11 in the general formula (B1) is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 or less, still more preferably.
  • R 11 in the general formula (B1) is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group, preferably a lauryl group.
  • R 11 in the general formula (B1) is selected from decyl, lauryl, myristyl, palmityl, stearyl, behenyl, isostearyl, oleyl, tribenzylphenyl and distyrenated phenyl
  • a lauryl group a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, an oleyl group, a tribenzylphenyl group and a distyrenylated phenyl group, more preferably a lauryl group.
  • AO in the general formula (B1) is one or more groups selected from an alkyleneoxy group having 2 carbon atoms and an alkyleneoxy group having 3 carbon atoms, or AO is an alkyleneoxy group having 2 carbon atoms.
  • n 1 in the general formula (B1) is preferably a number of 10 or more, more preferably 20 or more, and preferably 60 or less, more preferably 40 or less, from ⁇ 1> to ⁇ 20>
  • the dispersant composition for hydraulic compositions in any one.
  • R 11 in the general formula (B1) is an aryl group having a substituent, and n 1 is preferably 10 or more, more preferably 15 or more, still more preferably 25 or more, and preferably 65 or less.
  • R 11 in the general formula (B1) is an alkenyl group, and n 1 is preferably 5 or more, more preferably 8 or more, still more preferably 9 or more, and preferably 65 or less, more preferably 50 Or less, more preferably 40 or less, still more preferably 35 or less, even more preferably 25 or less, even more preferably 20 or less, and still more preferably 12 or less, described in any one of ⁇ 1> to ⁇ 21> Dispersant composition for hydraulic composition.
  • R 11 in the general formula (B1) is an alkyl group, and n 1 is preferably 15 or more, more preferably 20 or more, and preferably 55 or less, more preferably 30 or less, ⁇ 1
  • M in the general formula (B1) is an ion selected from a hydrogen ion, an alkali metal ion, an alkaline earth metal ion (1/2 ion), and an ammonium ion, from ⁇ 1> to ⁇ 24>
  • the dispersant composition for hydraulic compositions in any one.
  • M in the general formula (B1) is an alkali metal ion, preferably an alkali metal ion selected from sodium ions and potassium ions.
  • the compound (B1) is one or more compounds selected from polyoxyethylene alkenyl ether sulfates or salts thereof, and polyoxyethylene-substituted aryl ether sulfates or salts thereof, 27>
  • ⁇ 29> Any one of ⁇ 1> to ⁇ 22>, wherein the hydrocarbon group of R 21 in the general formula (B2) is an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent.
  • Dispersant composition for hydraulic composition as described in 2.
  • the hydrocarbon group of R 21 in formula (B2) is a group selected from an alkyl group, an alkenyl group, and an aryl group having a substituent, preferably an alkenyl group and an aryl group having a substituent.
  • the dispersant composition for hydraulic compositions according to ⁇ 29> which is a group selected from:
  • the dispersant composition for a hydraulic composition according to ⁇ 30> wherein the alkyl group is an aliphatic alkyl group, preferably a linear aliphatic alkyl group.
  • the dispersant composition for a hydraulic composition according to ⁇ 30> wherein the alkenyl group is an aliphatic alkenyl group, preferably a linear aliphatic alkenyl group.
  • the aryl group having a substituent is (1) an aryl group in which a hydrogen atom of an aromatic ring is substituted with a hydrocarbon group, and (2) one, two or three of the hydrogen atoms of an aromatic ring Is an aryl group substituted with a hydrocarbon group, and (3) substituted with an alkyl group having preferably 1 or more, more preferably 2 or more, and preferably 10 or less, more preferably 8 or less carbon atoms.
  • the carbon number of R 21 in the general formula (B2) is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 or less, still more preferably.
  • R 21 in the general formula (B2) is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group, preferably a lauryl group.
  • the dispersant composition for hydraulic composition according to any one of ⁇ 1> to ⁇ 37>, wherein
  • R 21 in the general formula (B2) is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, an oleyl group, and a distyrenylated phenyl group.
  • the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 37>, which is a group selected from a group, an oleyl group and a distyrenated phenyl group.
  • AO in the general formula (B2) is one or more groups selected from an alkyleneoxy group having 2 carbon atoms and an alkyleneoxy group having 3 carbon atoms, or AO is an alkyleneoxy group having 2 carbon atoms.
  • n2 in the general formula (B2) is preferably a number of 10 or more, more preferably 20 or more, and preferably 60 or less, more preferably 40 or less.
  • R 21 in the general formula (B2) is an aryl group having a substituent, and n 2 is preferably 10 or more, and preferably 25 or less, more preferably 15 or less, ⁇ 1> to The dispersant composition for hydraulic compositions according to any one of ⁇ 41>.
  • ⁇ 44> The water according to any one of ⁇ 1> to ⁇ 41>, wherein R 21 in formula (B2) is an alkyl group, and n 2 is preferably 1 or more and preferably 5 or less. Dispersant composition for hard composition.
  • R 21 in the general formula (B2) is an alkenyl group, and n 2 is preferably 5 or more, more preferably 8 or more, still more preferably 10 or more, and preferably 65 or less, more preferably 50.
  • the compound (B2) is one or more compounds selected from polyoxyethylene alkyl ether, polyoxyethylene alkenyl ether, polyoxyethylene alkyl ester, and polyoxyethylene-substituted aryl ether, ⁇ 1> to ⁇ 46>.
  • the hydrocarbon group represented by R 31 in formula (B3) is a group selected from an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent, ⁇ 1> to ⁇ 47 >
  • the carbon number of R 31 in the general formula (B3) is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 or less, still more preferably.
  • R 31 in the general formula (B3) is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group, preferably a lauryl group.
  • AO in the general formula (B3) is one or more groups selected from an alkyleneoxy group having 2 carbon atoms and an alkyleneoxy group having 3 carbon atoms, or AO is an alkyleneoxy group having 2 carbon atoms.
  • n 3 and n 4 in the general formula (B3) is preferably a number of 10 or more, more preferably 20 or more, and preferably 60 or less, more preferably 40 or less, ⁇ 1> ⁇ Dispersant composition for hydraulic composition according to any one of ⁇ 56>.
  • the hydrocarbon group represented by R 41 in formula (B4) is a group selected from an alkyl group, an alkenyl group, an aralkyl group, an aryl group, and an aryl group having a substituent, ⁇ 1> to ⁇ 59 >
  • ⁇ 62> The dispersant composition for a hydraulic composition according to ⁇ 61>, wherein the alkyl group is an aliphatic alkyl group, preferably a linear aliphatic alkyl group.
  • the dispersant composition for a hydraulic composition according to ⁇ 61> wherein the alkenyl group is an aliphatic alkenyl group, preferably a linear aliphatic alkenyl group.
  • the carbon number of R 41 in the general formula (B4) is preferably 8 or more, more preferably 12 or more, still more preferably 16 or more, and preferably 22 or less, more preferably 20 or less, and still more preferably.
  • R 41 in the general formula (B4) is a group selected from a decyl group, a lauryl group, a myristyl group, a palmityl group, a stearyl group, a behenyl group, an isostearyl group, and an oleyl group, preferably a lauryl group.
  • AO in the general formula (B4) is one or more groups selected from a C2 alkyleneoxy group and a C3 alkyleneoxy group, or AO represents a C2 alkyleneoxy group.
  • Y 1 and Y 2 in the general formula (B4) are the same or different and are each a hydrogen atom or SO 3 M, and at least one of Y 1 and Y 2 is SO 3 M, and M is The hydraulic composition according to any one of ⁇ 1> to ⁇ 68>, which is a counter ion, which is an ion selected from a hydrogen ion, an alkali metal ion, an alkaline earth metal ion (1/2 atom), and an ammonium ion. Dispersant composition for physical use.
  • M in SO 3 M is an alkali metal ion, preferably an alkali metal ion selected from sodium ions and potassium ions Dispersant composition.
  • n 5 and n 6 in the general formula (B4) is preferably 20 or more, more preferably 50 or more, and is preferably 150 or less, more preferably the number of 100 or less, ⁇ 1>
  • ⁇ 73> The dispersant for a hydraulic composition according to any one of ⁇ 1> to ⁇ 72>, wherein the compound (B4) is one or more compounds selected from a sulfated ester of an aliphatic amine alkylene adduct Composition.
  • the component (B) is one or more of the compounds belonging to the compound (B1), the compound (B2), the compound (B3), and the compound (B4), and any one of ⁇ 1> to ⁇ 73>
  • ⁇ 75> The hydraulic composition according to any one of ⁇ 1> to ⁇ 74>, wherein the component (B) is one or more compounds selected from the compound (B1), the compound (B2), and the compound (B3) Dispersant composition for physical use.
  • ⁇ 76> The dispersant composition for hydraulic compositions according to any one of ⁇ 1> to ⁇ 75>, wherein the component (B) is one or more compounds selected from the compound (B1).
  • ⁇ 77> As the component (B), one or more compounds selected from the compound (B1), the compound (B2) and the compound (B3), and further one or more compounds selected from the compound (B1) are contained. ⁇ 1> to the dispersant composition for hydraulic composition according to any one of ⁇ 75>.
  • the ⁇ 78> component (A) is preferably 1% by mass or more, more preferably 3% by mass or more, still more preferably 5% by mass or more, and preferably 99% by mass or less, more preferably 97% by mass in the solid content. %, More preferably 95% by mass or less,
  • the component (B) is preferably 2% by mass or more, more preferably 5% by mass or more, still more preferably 7% by mass or more, and preferably 90% by mass or less, more preferably 80% by mass in the solid content. %, More preferably 70% by mass or less, and the dispersant composition for hydraulic composition according to any one of ⁇ 1> to ⁇ 78>.
  • the ratio of the content of the component (B) to the total content of the component (A) and the component (B) is preferably 3% by mass or more, more preferably 5% by mass or more, and still more preferably. 10% by mass or more, more preferably 20% by mass, and preferably 60% by mass or less, more preferably 50% by mass or less, still more preferably 40% by mass or less, and still more preferably 30% by mass or less.
  • the dispersant composition for hydraulic compositions according to any one of the above.
  • the component (A) is a polymer compound having a monomer unit containing a naphthalene ring, and the molar ratio of the total amount of the component (B) to the monomer unit containing a naphthalene ring in the component (A) is preferably 0.
  • Dispersant composition for hydraulic composition according to any one of to ⁇ 80> (excluding those that cite ⁇ 8>).
  • the component (A) is a polymer compound having a monomer unit containing a naphthalene ring, and the molar ratio of the total amount of the component (B) to the monomer unit containing a naphthalene ring in the component (A) is preferably 16.
  • the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 80>, wherein 1% or more, more preferably 30.1% or more, and 50% or less. Excluding quotes).
  • (A) component is a polymer compound having a monomer unit containing a naphthalene ring
  • ((B) component is a compound in which R 11 in the general formula (B) is an aryl group having a substituent
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component (A) is preferably 1.5% or more, more preferably 2% or more, and preferably 7% or less, more preferably
  • the dispersion for a hydraulic composition according to any one of ⁇ 1> to ⁇ 80>, which is 6% or less, more preferably 5% or less, even more preferably 4.5% or less, and still more preferably 3% or less.
  • Agent composition (excluding those that cite ⁇ 8>).
  • component is a polymer compound having a monomer unit containing a naphthalene ring
  • component is a compound in which R 11 in general formula (B) is an alkenyl group
  • component The molar ratio of the total amount of the component (B) to the monomer unit containing a naphthalene ring is preferably 1.5% or more, more preferably 3% or more, still more preferably 4% or more, and still more preferably 6.5%.
  • dispersant composition for hydraulic compositions according to any one of ⁇ 1> to ⁇ 80> (provided ⁇ 8> is cited) Except stuff).
  • (A) component is a polymer compound having a monomer unit containing a naphthalene ring
  • component R 11 in the general formula (B) is an alkyl group having 16 to 18 carbon compounds
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component (A) is preferably 0.5% or more, more preferably 1% or more, still more preferably 2% or more, more More preferably 3.5% or more, still more preferably 5% or more, and preferably 45% or less, more preferably 40% or less, still more preferably 25% or less, still more preferably 15% or less, and even more preferably.
  • component is a polymer compound having a monomer unit containing a naphthalene ring
  • component compound R 11 in the general formula (B) is an alkyl group having 6 to 10 carbon atoms
  • the molar ratio of the total amount of the component (B) to the monomer unit containing the naphthalene ring in the component (A) is preferably 0.3% or more, more preferably 0.5% or more, still more preferably 1.5. %, And preferably 7% or less, more preferably 6% or less, and still more preferably 3% or less, and the dispersant composition for hydraulic composition according to any one of ⁇ 1> to ⁇ 80> (Excluding those that cite ⁇ 8>).
  • the ⁇ 88> (C) component contains a monomer (C1) represented by the following general formula (C1) and a monomer (C2) represented by the following general formula (C2) as constituent monomers.
  • R 11c , R 12c may be the same or different, hydrogen atom or methyl group
  • R 13c hydrogen atom or —COO (AO)
  • n ′ X 1 X 1 an alkyl group having 1 to 4 carbon atoms
  • AO a group selected from an ethyleneoxy group and a propyleneoxy group
  • n ′ an average added mole number of AO, a number from 1 to 300 p: 0 to 2 Indicates a number.
  • R 21c , R 22c , R 23c which may be the same or different, are a hydrogen atom, a methyl group or (CH 2 ) r COOM 2 , and (CH 2 ) r COOM 2 is COOM 1 or other (CH 2 ) R COOM 2 and may form an anhydride, in which case M 1 and M 2 of those groups are not present.
  • M 1 and M 2 may be the same or different and are a hydrogen atom, an alkali metal, an alkaline earth metal (1/2 atom), an ammonium group, an alkylammonium group or a substituted alkylammonium group r: a number from 0 to 2 Indicates. ]
  • n 'in the general formula (C1) is preferably a number of 100 or more, more preferably 110 or more, and preferably 200 or less, more preferably 150 or less, from ⁇ 88> to ⁇ 93>
  • the dispersant composition for hydraulic compositions in any one.
  • n ′ in the general formula (C1) is preferably 5 or more, more preferably 20 or more, still more preferably 40 or more, and preferably 200 or less, more preferably 150 or less, still more preferably 100 or less,
  • the total amount of the monomer (C1) and the monomer (C2) in the constituent monomer of the ⁇ 102> copolymer (C) is 90% by mass or more, preferably 92% by mass or more, more preferably 95%.
  • the ratio of the monomer (C2) to the total of the monomer (C1) and the monomer (C2) in the ⁇ 103> copolymer (C) is preferably 80 mol% or more, more preferably 90 mol% or more.
  • the ratio of the monomer (C2) to the total of the monomer (C1) and the monomer (C2) in the ⁇ 104> copolymer (C) is preferably 60 mol% or more, more preferably 75 mol% or more.
  • ⁇ 105> (C) component is preferably 1% by mass or more, more preferably 3% by mass or more, still more preferably 5% by mass or more, and preferably 30% by mass or less, more preferably 20% by mass in the solid content. % Or less, more preferably 15% by mass or less, The dispersant composition for hydraulic compositions according to any one of ⁇ 87> to ⁇ 104>.
  • Mass ratio of component (C) to component (A), (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, and still more preferably 0.05 / 99.95. Or more, more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, still more preferably 10/90 or less.
  • the dispersant composition for hydraulic compositions according to any one of ⁇ 87> to ⁇ 105>.
  • the total content of the component (A) and the component (C) is preferably 1% by mass or more, more preferably 4% by mass or more, and further preferably 7% by mass or more in the composition.
  • cement dispersant ⁇ 108> cement dispersant, water-soluble polymer compound, air entraining agent, cement wetting agent, expansion agent, waterproofing agent, retarder, quick setting agent, thickener, flocculant, drying shrinkage reducing agent, strength enhancer, Contains one or more components selected from curing accelerators, preservatives, and antifoaming agents (excluding those corresponding to (A) component, (B) component, or (C) component), ⁇ 1> to ⁇ 107>
  • the dispersing agent composition for hydraulic compositions according to any one of the above.
  • the content of ⁇ 111> water in the composition is preferably 10% by mass or more, more preferably 30% by mass or more, still more preferably 50% by mass or more, and preferably 90% by mass or less, more preferably Is a dispersant composition for a hydraulic composition according to ⁇ 110>, which is 70% by mass or less.
  • the content of the component (A) in the composition is preferably 1% by mass or more, more preferably 4% by mass or more, still more preferably 7% by mass or more, and preferably 50% by mass or less.
  • the content of ⁇ 113> (B) component in the composition is preferably 1% by mass or more, more preferably 4% by mass or more, still more preferably 7% by mass or more, and preferably 60% by mass or less. More preferably, the dispersant composition for hydraulic compositions according to any one of ⁇ 110> to ⁇ 112>, which is 50% by mass or less, and more preferably 32% by mass or less.
  • the total content of the component (A) and the component (B) is preferably 10% by mass or more, more preferably 20% by mass or more, and further preferably 30% by mass or more in the composition.
  • a water / hydraulic powder comprising the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 114>, a hydraulic powder, an aggregate, and water.
  • a hydraulic composition for centrifugal molding having a ratio of 10% by mass to 25% by mass.
  • Component (A), Component (B), Hydraulic powder, Aggregate, and Water The water / hydraulic powder ratio is 10% by mass or more and 25% by mass or less. Centrifugal molding hydraulic composition.
  • the ⁇ 117> water / hydraulic powder ratio is 10% by mass or more, preferably 12% by mass or more, more preferably 15% by mass or more, and 25% by mass or less, preferably 20% by mass or less.
  • Component (A) is preferably 0.001 part by mass or more, more preferably 0.01 part by mass or more, still more preferably 0.1 part by mass or more, relative to 100 parts by mass of the hydraulic powder. More preferably 0.4 parts by mass or more, still more preferably 0.6 parts by mass or more, and preferably 10 parts by mass or less, more preferably 5 parts by mass or less, still more preferably 3 parts by mass or less, still more preferably 2 parts by mass.
  • the hydraulic composition for centrifugal molding according to any one of ⁇ 115> to ⁇ 117>, contained in an amount of at most 1 part by mass, more preferably at most 1 part by mass.
  • the component (B) is preferably 0.0001 part by mass or more, more preferably 0.001 part by mass or more, and still more preferably 0.01 part by mass or more. More preferably 0.03 parts by mass or more, still more preferably 0.05 parts by mass or more, and preferably 10 parts by mass or less, more preferably 5 parts by mass or less, still more preferably 1 part by mass or less, still more preferably 0.
  • the total of component (A) and component (B) is preferably 0.1 parts by mass or more, more preferably 0.5 parts by mass or more, and still more preferably.
  • a water / hydraulic powder comprising the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 114>, a hydraulic powder, an aggregate, and water.
  • Component (A), Component (B), Hydraulic powder, Aggregate, and Water The water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less, The ratio of the content of the component (B) to the total content of the component (A) and the component (B) is 1% by mass or more, preferably 3% by mass or more, more preferably 5% by mass or more, and still more preferably.
  • component (A) Is 10% by mass or more, more preferably 20% by mass, and 60% by mass or less, preferably 50% by mass or less, more preferably 40% by mass or less, still more preferably 30% by mass or less, and the component (A) And a hydraulic composition for steam curing, wherein the total content of component (B) is from 0.25 parts by mass to 10 parts by mass with respect to 100 parts by mass of the hydraulic powder.
  • the ⁇ 123> water / hydraulic powder ratio is preferably 20% by mass or more, more preferably 25% by mass or more, still more preferably 30% by mass or more, and preferably 45% by mass or less, more preferably
  • the hydraulic composition for steam curing according to ⁇ 121> or ⁇ 122> which is 40% by mass or less, more preferably 35% by mass or less.
  • Component (A) is preferably 0.15 parts by mass or more, more preferably 0.2 parts by mass or more, still more preferably 0.3 parts by mass or more, relative to 100 parts by mass of the hydraulic powder. More preferably 0.5 parts by mass or more, and preferably 9.9 parts by mass or less, more preferably 5 parts by mass or less, still more preferably 2 parts by mass or less, still more preferably 1 part by mass or less, ⁇ 121 >
  • Component (B) is preferably 0.0025 parts by mass or more, more preferably 0.01 parts by mass or more, still more preferably 0.03 parts by mass or more, relative to 100 parts by mass of the hydraulic powder. More preferably 0.05 parts by mass or more, and preferably 6 parts by mass or less, more preferably 2 parts by mass or less, still more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, still more preferably.
  • the total of the component (A) and the component (B) is 0.25 parts by mass or more, more preferably 0.4 parts by mass or more, and still more preferably 0.8.
  • the hydraulic powder is a hydraulic powder selected from cement and gypsum, preferably cement, more preferably ordinary Portland cement, belite cement, moderately hot cement, early strong cement, ultra-fast cement A cement selected from a strong cement and a sulfate-resistant cement, a cement to which a powder having a pozzolanic action and / or a latent hydraulic property is added, or a cement to which calcium carbonate powder is added to a cement.
  • the hydraulic composition according to any one of ⁇ 115> to ⁇ 126>.
  • the hydraulic composition here means a hydraulic composition for centrifugal molding or a hydraulic composition for steam curing, and the same applies to the following.
  • ⁇ 128> The hydraulic composition according to any one of ⁇ 115> to ⁇ 127>, which contains a polycarboxylic acid copolymer as the component (C).
  • Component (C) is preferably 0.01 parts by mass or more, more preferably 0.05 parts by mass or more, and preferably 2 parts by mass or less, more preferably 100 parts by mass of hydraulic powder. ⁇ 1> or less, more preferably 0.5 parts by mass or less, more preferably 0.3 parts by mass or less.
  • Component (C) is preferably 0.001 part by mass or more, more preferably 0.01 part by mass or more, and preferably 0.5 part by mass or less, relative to 100 parts by mass of hydraulic powder.
  • Mass ratio of component (C) to component (A), (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95. Or more, more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, still more preferably 10/90 or less.
  • ⁇ 132> The hydraulic composition according to any one of ⁇ 115> to ⁇ 131>, wherein the aggregate is an aggregate selected from fine aggregate and coarse aggregate.
  • the fine aggregate is a fine aggregate defined by the number 2311 in JIS A0203-2014. Further, river sand, land sand, mountain sand, sea sand, lime sand, silica sand, and crushed sand of these, blast furnace.
  • the hydraulic composition according to ⁇ 132> which is a fine aggregate selected from slag fine aggregate, ferronickel slag fine aggregate, lightweight fine aggregate (artificial and natural), and recycled fine aggregate.
  • the coarse aggregate is a coarse aggregate defined by the number 2312 in JIS A0203-2014. Furthermore, river gravel, land gravel, mountain gravel, sea gravel, lime gravel, and crushed stones, blast furnace slag
  • the hydraulic composition according to ⁇ 132> or ⁇ 133> which is a coarse aggregate selected from coarse aggregate, ferronickel slag coarse aggregate, lightweight coarse aggregate (artificial and natural), and recycled coarse aggregate.
  • the ⁇ 135> hydraulic composition is concrete, and the amount of coarse aggregate used is preferably 50% or more, more preferably 55% or more, and even more preferably 60% or more in bulk volume, and preferably The hydraulic composition according to any one of ⁇ 115> to ⁇ 134>, which is 100% or less, more preferably 90% or less, and still more preferably 80% or less.
  • the amount of fine aggregate is preferably 500 kg / m 3 or more, more preferably 600 kg / m 3 or more, more preferably 700 kg / m 3 or more, and, preferably 1000 kg / m 3 or less, more
  • the hydraulic composition according to ⁇ 135> which is preferably 900 kg / m 3 or less.
  • a hydraulic composition is mortar, the amount of the fine aggregate is preferably 800 kg / m 3 or more, more preferably 900 kg / m 3 or more, more preferably 1000 kg / m 3 or more, and, The hydraulic composition according to any one of ⁇ 115> to ⁇ 133>, which is preferably 2000 kg / m 3 or less, more preferably 1800 kg / m 3 or less, and still more preferably 1700 kg / m 3 or less.
  • ⁇ 139> For self-leveling, for refractories, for plaster, for lightweight or heavy concrete, for AE, for repair, for prepacked, for trayy, for ground improvement, for grout, or for cold, ⁇ 115> to ⁇ The hydraulic composition in any one of 138>.
  • ⁇ 140> one or more components selected from AE agent, retarder, foaming agent, thickener, foaming agent, waterproofing agent, and fluidizing agent [(A) component, (B) component, or (C) The hydraulic composition according to any one of ⁇ 115> to ⁇ 139>, comprising a component other than those corresponding to the components.
  • ⁇ 141> The hydraulic composition according to any one of ⁇ 115> to ⁇ 140>, comprising at least one selected from early strengthening agents and chelating agents.
  • ⁇ 142> The hydraulic composition according to any one of ⁇ 115> to ⁇ 141>, wherein the content of the chelating agent is 0.1 parts by mass or less with respect to 100 parts by mass of the hydraulic powder.
  • the manufacturing method of the dispersing agent composition for hydraulic compositions which mixes (A) component and (B) component.
  • the dispersant composition for a hydraulic composition here means a dispersant composition for a centrifugal molding hydraulic composition or a dispersant composition for a steam curing hydraulic composition, and the same applies to the following.
  • the dispersant composition for a hydraulic composition contains water, and the mass ratio of the component (C) to the component (A), (C) / (A) is preferably 0/100 or more, more preferably. More than 0/100, more preferably 0.05 / 99.95 or more, still more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably Is 30/70 or less, More preferably, it is 10/90 or less, The manufacturing method of the dispersing agent composition for hydraulic compositions as described in ⁇ 144>.
  • the dispersant composition for a hydraulic composition contains water, and the total content of the component (A) and the component (C) is preferably 1% by mass or more, more preferably 4% in the composition.
  • the component (A) and the component (C) have a mass% or more, more preferably 7% by mass or more, and preferably 50% by mass or less, more preferably 32% by mass or less, and still more preferably 27% by mass or less.
  • ⁇ 149> The dispersion for a hydraulic composition according to any one of ⁇ 143> to ⁇ 148>, wherein the aqueous solution of the component (A) heated above the freezing point of the component (B) and the component (B) are mixed with a stirrer.
  • a method for producing an agent composition A method for producing an agent composition.
  • the component (A) and the component (B) are each dissolved in water, and the aqueous solution of the component (A) and the aqueous solution of the component (B) are mixed, and any one of ⁇ 143> to ⁇ 148>
  • the manufacturing method of the dispersing agent composition for hydraulic compositions are each dissolved in water, and the aqueous solution of the component (A) and the aqueous solution of the component (B) are mixed, and any one of ⁇ 143> to ⁇ 148>.
  • the dispersant composition for hydraulic compositions according to any one of ⁇ 143> to ⁇ 150>, wherein the dispersant composition for hydraulic compositions is a dispersant composition for centrifugal molding hydraulic compositions. Production method.
  • the dispersant composition for hydraulic composition is a dispersant composition for hydraulic composition for steam curing, and (A) component and (B) component are mixed with the amount of (A) and (B).
  • the ratio of the mixing amount of (B) to the total mixing amount is 1% by mass or more, preferably 3% by mass or more, more preferably 5% by mass or more, still more preferably 10% by mass or more, still more preferably 20% by mass,
  • a method for producing a dispersant composition for a hard composition is a method for producing a dispersant composition for a hard composition.
  • a method for producing a hydraulic composition comprising mixing hydraulic powder, aggregate, water, component (A), and component (B).
  • the hydraulic composition here means a hydraulic composition for centrifugal molding or a hydraulic composition for steam curing, and the same applies to the following.
  • the manufacturing method of the hydraulic composition which mixes ⁇ 154> hydraulic powder, aggregate, water, (A) component, (B) component, and (C) component.
  • Component (C) is preferably 0.001 part by mass or more, more preferably 0.01 part by mass or more, still more preferably 0.05 part by mass or more, relative to 100 parts by mass of the hydraulic powder. , Preferably 2 parts by mass or less, more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, still more preferably 0.3 parts by mass or less, and the production of the hydraulic composition according to ⁇ 154> Method.
  • Mass ratio of component (C) to component (A), (C) / (A) is preferably 0/100 or more, more preferably more than 0/100, still more preferably 0.05 / 99.95. Or more, more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, still more preferably 10/90 or less.
  • the component (A) is 0.001 part by mass or more, 0.01 part by mass or more, 0.1 part by mass or more, 0.15 part by mass or more; 8. 2 parts by mass or more, 0.3 parts by mass or more, 0.4 parts by mass or more, 0.47 parts by mass or more, 0.5 parts by mass or more, or 0.6 parts by mass or more, and 10 parts by mass or less. 9 parts by mass or less, 5 parts by mass or less, 2 parts by mass or less, 1 part by mass or less, 0.9 parts by mass or less, 0.6 parts by mass or less, or 0.52 parts by mass or less, and 153> to ⁇ 156>, the method for producing a hydraulic composition according to any one of the above.
  • the component (B) is 0.0001 part by mass or more, 0.001 part by mass or more, 0.0025 part by mass or more, 0.01 part by mass or more, 0.0. 03 parts by mass or more, 0.05 parts by mass or more, or 0.06 parts by mass or more, and 10 parts by mass or less, 6 parts by mass or less, 5 parts by mass or less, 2 parts by mass or less, 1 part by mass or less, more preferably
  • the production of the hydraulic composition according to any one of ⁇ 153> to ⁇ 157>, which is mixed by being selected from 0.5 parts by mass or less, more preferably 0.35 parts by mass or less, and 0.2 parts by mass or less.
  • the total of component (A) and component (B) is preferably 0.1 parts by mass or more, more preferably 0.5 parts by mass or more, and still more preferably. 0.73 parts by mass or more, and preferably 10 parts by mass or less, more preferably 5 parts by mass or less, still more preferably 2 parts by mass or less, and even more preferably 1 part by mass or less.
  • the manufacturing method of the hydraulic composition in any one of.
  • ⁇ 160> The method for producing a hydraulic composition according to any one of ⁇ 153> to ⁇ 159>, wherein the component (A) and the component (B) and water are mixed in advance and mixed with the hydraulic powder.
  • ⁇ 161> Water according to any one of ⁇ 153> to ⁇ 160>, wherein the hydraulic powder is mixed with the dispersant composition for hydraulic composition according to any one of ⁇ 1> to ⁇ 114>.
  • a method for producing a hard composition A method for producing a hard composition.
  • ⁇ 162> The method for producing a hydraulic composition according to ⁇ 161>, wherein the dispersant composition for the hydraulic composition is liquid or solid.
  • ⁇ 163> The method for producing a hydraulic composition according to ⁇ 161> or ⁇ 162>, wherein the dispersant composition for hydraulic composition is a liquid containing water.
  • the dispersant composition for a hydraulic composition is preferably 0.1 parts by mass or more, more preferably 0.2 parts by mass or more, and still more preferably 0.3 parts by mass with respect to 100 parts by mass of the hydraulic powder. Or more, more preferably 0.5 parts by mass or more, and preferably 2 parts by mass or less, more preferably 1.5 parts by mass or less, still more preferably 1.2 parts by mass or less, ⁇ 161>
  • the method for producing a hydraulic composition according to any one of to ⁇ 163>.
  • ⁇ 165> The method for producing a hydraulic composition according to any one of ⁇ 153> to ⁇ 164>, wherein the obtained hydraulic composition is further filled in a mold, cured and cured.
  • the filling of the hydraulic composition into the mold is performed by a method in which the hydraulic composition is directly input from a mixer, or a method in which the hydraulic composition is pumped and introduced into the mold, ⁇ 165> Or the manufacturing method of the hydraulic composition as described in ⁇ 166>.
  • ⁇ 168> The hydraulic composition according to any one of ⁇ 165> to ⁇ 167>, wherein the hydraulic composition is heated and cured, and further heated and cured at a temperature of 40 ° C. or higher and 90 ° C. or lower. Manufacturing method.
  • the hydraulic composition is a centrifugal molding hydraulic composition
  • the component (A) is preferably 0.001 part by mass or more, more preferably 0.01 part by mass with respect to 100 parts by mass of the hydraulic powder.
  • Part or more more preferably 0.1 part by weight or more, still more preferably 0.4 part by weight or more, still more preferably 0.6 part by weight or more, and preferably 10 parts by weight or less, more preferably 5 parts by weight.
  • the method for producing a hydraulic composition according to any one of ⁇ 153> to ⁇ 168>, further preferably 3 parts by mass or less, more preferably 2 parts by mass or less, and still more preferably 1 part by mass or less. .
  • the ⁇ 170> hydraulic composition is a centrifugal molding hydraulic composition
  • the component (B) is preferably 0.0001 parts by mass or more, more preferably 0.001 parts by mass with respect to 100 parts by mass of the hydraulic powder.
  • Part or more more preferably 0.01 part by weight or more, still more preferably 0.03 part by weight or more, still more preferably 0.05 part by weight or more, and preferably 10 parts by weight or less, more preferably 5 parts by weight.
  • the hydraulic composition according to any one of ⁇ 153> to ⁇ 169>, further preferably 1 part by mass or less, more preferably 0.5 part by mass or less, and still more preferably 0.35 part by mass or less. Manufacturing method.
  • the hydraulic composition is a centrifugal molding hydraulic composition
  • the water / hydraulic powder ratio in the hydraulic composition is 10% by mass or more and 25% by mass or less, and 100 parts by mass of the hydraulic powder.
  • the total of component (A) and component (B) is preferably 0.1 parts by mass or more, more preferably 0.5 parts by mass or more, still more preferably 0.7 parts by mass or more, and preferably The method for producing a hydraulic composition according to any one of ⁇ 153> to ⁇ 170>, wherein 10 parts by mass or less, more preferably 5 parts by mass or less, and still more preferably 2 parts by mass or less are mixed.
  • the steaming hydraulic composition is a hydraulic composition for steam curing, the water / hydraulic powder ratio in the hydraulic composition is 10% by mass or more and 53% by mass or less, and the component (A) and (B
  • the ratio of the mixing amount of (B) to the sum of the mixing amount of (A) and the mixing amount of (B) is 1% by mass or more, preferably 3% by mass or more, more preferably 5% by mass or more, More preferably 10% by mass or more, still more preferably 20% by mass, and 60% by mass or less, preferably 50% by mass or less, more preferably 40% by mass or less, and further preferably 30% by mass or less.
  • the method for producing a hydraulic composition according to any one of ⁇ 153> to ⁇ 168>.
  • the hydraulic composition is a hydraulic composition for steam curing, the water / hydraulic powder ratio in the hydraulic composition is 10% by mass or more and 53% by mass or less, and 100 parts by mass of the hydraulic powder.
  • the component (A) is preferably at least 0.15 parts by mass, more preferably at least 0.2 parts by mass, even more preferably at least 0.3 parts by mass, even more preferably at least 0.5 parts by mass, and , Preferably 9.9 parts by mass or less, more preferably 5 parts by mass or less, further preferably 2 parts by mass or less, and still more preferably 1 part by mass or less, ⁇ 153> to ⁇ 168>, and ⁇ 172>
  • the manufacturing method of the hydraulic composition in any one of.
  • the hydraulic composition is a hydraulic composition for steam curing, the water / hydraulic powder ratio in the hydraulic composition is 10% by mass or more and 53% by mass or less, and 100 parts by mass of the hydraulic powder.
  • the component (B) is preferably at least 0.0025 parts by mass, more preferably at least 0.01 parts by mass, even more preferably at least 0.03 parts by mass, even more preferably at least 0.05 parts by mass, and , Preferably 6 parts by mass or less, more preferably 2 parts by mass or less, still more preferably 1 part by mass or less, still more preferably 0.5 parts by mass or less, and still more preferably 0.2 parts by mass or less.
  • 153> to ⁇ 168>, ⁇ 172>, and ⁇ 173> the method for producing a hydraulic composition according to any one of the above.
  • the hydraulic composition is a hydraulic composition for steam curing, the water / hydraulic powder ratio in the hydraulic composition is 10% by mass or more and 53% by mass or less, and 100 parts by mass of the hydraulic powder.
  • the component (A) and the component (B) in total are 0.25 parts by mass or more, preferably 0.4 parts by mass or more, more preferably 0.6 parts by mass or more, and 10 parts by mass or less.
  • Dispersant for Hydraulic Composition ⁇ 1> to ⁇ 114> Dispersant for Hydraulic Composition, ⁇ 115> to ⁇ 142> Hydraulic Composition, and ⁇ 143> to ⁇ 152> Dispersant for Hydraulic Composition
  • the matters described in the method for producing the composition can be appropriately applied to the methods for producing these hydraulic compositions.
  • Step 1 Water, hydraulic powder, aggregate, and the centrifugal molding hydraulic composition according to any one of ⁇ 1> to ⁇ 114>, which describes the dispersing composition for centrifugal molding hydraulic composition
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • Step 1 Step of preparing a hydraulic composition for centrifugal molding by mixing water, hydraulic powder, component (A), component (B) and aggregate.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • Step 1 Water, hydraulic powder, (A) component, (B) component, (C) component and aggregate are mixed, and water / hydraulic powder ratio is 10% by mass or more and 25% by mass or less.
  • Step 2 A step of filling the formwork with the hydraulic composition obtained in Step 1.
  • Step 3 A step of clamping the hydraulic composition filled in the mold in Step 2 by applying centrifugal force.
  • Step 4 A step of condensing the hydraulic composition clamped in Step 3 in a mold.
  • step 1 a mixture containing water and the dispersant composition for centrifugal molding hydraulic composition or a mixture containing water, the component (A), and the component (B) is used as an aggregate and hydraulic powder.
  • Step 1 is a mixture of hydraulic powder and aggregate, and a mixture containing water and the dispersant composition for centrifugal molding hydraulic composition or water, and (A) component and (B) component.
  • the water / hydraulic powder ratio is 10% by mass or more, preferably 11% by mass or more, more preferably 12% by mass or more, still more preferably 15% by mass or more, and still more preferably 17% by mass. % Or more and 25% by mass or less, preferably 24% by mass or less, more preferably 23% by mass or less, still more preferably 22% by mass or less, and still more preferably 20% by mass or less.
  • ⁇ 176>- ⁇ 180> A method for producing a cured product of the hydraulic composition according to any one of ⁇ 180>.
  • step 3 the hydraulic composition is clamped at least once by changing the centrifugal force, and further, the hydraulic composition is clamped by applying a stepwise changing centrifugal force.
  • step 3 The manufacturing method of the hardening body of the hydraulic composition in any one of.
  • ⁇ 184> The hydraulic composition according to any one of ⁇ 176> to ⁇ 183>, wherein in step 3, the centrifugal force of centrifugal molding is preferably 0.5 G or more and 30 G or less, more preferably 25 G or less.
  • a method for producing a cured product is preferably 0.5 G or more and 30 G or less, more preferably 25 G or less.
  • a centrifugal force of 0.5 G or more and 30 G or less is preferably 5 minutes or more, more preferably 7 minutes or more, still more preferably 9 minutes or more, and preferably 40 minutes or less.
  • step 3 compaction by holding a centrifugal force of 20 G or more is preferably performed for 1 minute or more, more preferably 3 minutes or more, still more preferably 5 minutes or more, and preferably 15 minutes or less, ⁇ 176
  • step 3 (1) the initial speed, which is the first stage, is more than 0 G and less than 15 G with a centrifugal force of 0.5 G or more and less than 2 G, and (2) the second speed, which is the second stage, is 2 G or more and less than 5 G.
  • Centrifugal force for more than 0 minutes and 15 minutes or less (3) Third stage, 3rd speed is 5G or more and less than 10G, and centrifugal force of 0G or more, less than 15 minutes, (4) Fourth stage, 4th speed is 10G or more, 20G
  • the hydraulic composition is clamped under the conditions that the centrifugal force is less than 0 minutes and 15 minutes or less, and (5) the fifth stage is 5th gear and the centrifugal force is 20 G or more and 30 G or less and the centrifugal force is 0 minutes and 15 minutes or less.
  • the manufacturing method of the hardening body of the hydraulic composition as described in ⁇ 188>.
  • the hydraulic composition obtained in the step 3 is subjected to air curing for 3 to 4 hours after kneading.
  • the hydraulic composition according to any one of ⁇ 176> to ⁇ 189> A method for producing a cured product.
  • Step 5 A step of steam curing the hydraulic composition condensed in Step 4 in a mold.
  • step 5 After performing pre-curing at 10 ° C. or more and 40 ° C. or less for 1 hour or more and 4 hours or less, then performing steam curing at 60 ° C. or more and 90 ° C. or less, A method for producing a cured product of the hydraulic composition.
  • ⁇ 194> The method for producing a cured body of a hydraulic composition according to any one of ⁇ 191> to ⁇ 193>, which includes the following step 6 after the step 5.
  • Process 6 The process of cooling a hydraulic composition after process 5 and demolding from a formwork.
  • the manufacturing method of the hardening body of the hydraulic composition as described in ⁇ 194> including ⁇ 195> process 6 and performing process 5 and process 6 continuously on a series of temperature control.
  • step 5 the ambient temperature of the mold is raised to 60 ° C. or higher and 85 ° C. or lower at a temperature rising rate of 10 ° C. or higher and 30 ° C. or lower per hour, and the heated temperature is maintained for 2 hours or longer and 8 hours or shorter.
  • Step 6 the hydraulic composition according to ⁇ 194> or ⁇ 195>, wherein the molded body is demolded by cooling to room temperature, for example, 20 ° C., at a temperature falling rate of 5 ° C. or more and 20 ° C. or less per hour.
  • a method for producing a cured product is described in Step 6.
  • step 5 the mold filled with the hydraulic composition is allowed to stand at an ambient temperature of 10 ° C. to 30 ° C. for 3 hours, and the ambient temperature is set to 70 ° C. to 90 ° C. at a rate of temperature increase of 20 ° C. per hour.
  • the temperature is raised to below 70 ° C., and the temperature from 70 ° C. to 90 ° C. is maintained for 2 hours to 6 hours, and then the ambient temperature is cooled to room temperature, for example, 20 ° C. at a rate of 10 ° C. per hour
  • the method for producing a cured body of a hydraulic composition according to any one of ⁇ 194> to ⁇ 196>, wherein the molded body is demolded after being allowed to stand for 20 to 30 hours at that temperature.
  • ⁇ 199> Any one of ⁇ 194> to ⁇ 198>, including steps 1 to 6, wherein the time from the start of the preparation of the hydraulic composition to the demolding in step 6 is 8 hours to 30 hours
  • the manufacturing method of the hardening body of the hydraulic composition as described in any one of.
  • Process 7 The process of curing the hardening body of the hydraulic composition obtained at the process 6 at normal temperature normal pressure.
  • ⁇ 202> Any of ⁇ 176> to ⁇ 201>, wherein the cured body of the obtained hydraulic composition is a centrifugal molded concrete product, and further is a centrifugal molded concrete product selected from a pile, a pole, and a fume tube
  • Step 1 Water, hydraulic powder, aggregate, and steam curing hydraulic composition according to any one of ⁇ 2> to ⁇ 114>, which describes a dispersant composition for steam curing hydraulic composition
  • a dispersant composition for steam curing hydraulic composition A dispersion composition for a steam curing hydraulic composition, wherein the dispersion composition is mixed to prepare a hydraulic composition having a water / hydraulic powder ratio of 10% by mass to 53% by mass.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • Step 1 ′ Steam curing hydraulic composition in which water, hydraulic powder, component (A), component (B) and aggregate are mixed and the water / hydraulic powder ratio is 10% by mass or more and 53% by mass or less.
  • the ratio of the component (B) to the component (A) and the component (B) is 1 with respect to the sum of the components (A) and (B).
  • the mixing is performed so that the total amount of the component (A) and the component (B) is 0.25 parts by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the hydraulic powder.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • Step 1 ′ Water, hydraulic powder, component (A), component (B), component (C) and aggregate are mixed, and the water / hydraulic powder ratio is 10 mass% or more and 53 mass% or less.
  • a step of preparing a hydraulic composition wherein the component (A) and the component (B) are mixed with the amount of the component (B) with respect to the total amount of the component (A) and component (B). Mixing is performed so that the ratio is 1% by mass or more and 60% by mass or less, and the total of component (A) and component (B) is 0.25 parts by mass or more and 10 parts by mass or less with respect to 100 parts by mass of the hydraulic powder.
  • Step 2 ′ A step of filling the formwork with the hydraulic composition obtained in Step 1 ′.
  • Step 5 ′ a step of steam curing the hydraulic composition filled in the mold in step 2 ′ in the mold.
  • step 1 ′ a mixture containing water and the dispersant composition for the steam curing hydraulic composition or a mixture containing water, the component (A), and the component (B) is used as an aggregate and hydraulic powder.
  • Step 1 ′ comprises mixing a hydraulic powder and an aggregate, and a mixture containing water and the dispersant composition for a hydraulic composition for steam curing, water, and the components (A) and (B).
  • the water / hydraulic powder ratio is 10% by mass or more, preferably 18% by mass or more, preferably 20% by mass or more, more preferably 25% by mass or more, and further preferably 30% by mass. % And not more than 53% by weight, preferably not more than 45% by weight, more preferably not more than 40% by weight, and still more preferably not more than 35% by weight, ⁇ 203> to ⁇ 207>
  • the manufacturing method of the hardening body of the hydraulic composition in any one of.
  • ⁇ 209> The cured body of the hydraulic composition according to any one of ⁇ 203> to ⁇ 208>, wherein steam curing is performed at 40 ° C or higher, preferably 60 ° C or higher, and 90 ° C or lower in Step 5 '. Production method.
  • step 5 ′ after pre-curing at 10 ° C. to 40 ° C. for 0.2 hours to 4 hours, the ambient temperature is increased at a temperature increase rate of 20 ° C. to 100 ° C. per hour.
  • the ratio of the mixing amount of the component (B) to the total mixing amount of the component (A) and the mixing amount of the component (B) in the step 1 ′ is 3% by mass or more and 7% by mass or less, and the step 5 ′.
  • the pre-curing of the steam curing is 10 ° C. or more and 40 ° C. or less, preferably 0.2 hours or more, more preferably 0.3 hours or more, and preferably 4 hours or less, more preferably 3.5 hours or less,
  • the method for producing a cured body of the hydraulic composition according to any one of ⁇ 203> to ⁇ 210>, which is more preferably performed for 2.5 hours or less, and even more preferably for 0.7 hours or less.
  • the ratio of the mixing amount of the component (B) to the total mixing amount of the component (A) and the mixing amount of the component (B) in the step 1 ′ is 15% by mass or more and 25% by mass or less, and the step 5 ′.
  • the steam curing pre-curing is 10 ° C. or more and 40 ° C. or less, preferably 0.2 hours or more, more preferably 0.3 hours or more, still more preferably 0.5 hours or more, and still more preferably 0.7 hours. Or more, more preferably 1.5 hours or more, and preferably 4 hours or less, more preferably 3 hours or less, still more preferably 2.5 hours or less, according to any one of ⁇ 203> to ⁇ 210> A method for producing a cured product of the hydraulic composition.
  • ⁇ 213> The hydraulic composition according to any one of ⁇ 203> to ⁇ 212>, wherein the cured body of the obtained hydraulic composition is a concrete product selected from curtain walls, box culverts, and L-shaped retaining walls.
  • a method for producing a cured product is any one of ⁇ 203> to ⁇ 212>, wherein the cured body of the obtained hydraulic composition is a concrete product selected from curtain walls, box culverts, and L-shaped retaining walls.
  • Step 6 ′ Step of cooling the hydraulic composition after step 5 ′ and removing it from the mold.
  • ⁇ 215> The method for producing a cured body of a hydraulic composition according to ⁇ 214>, which includes step 6 ', and step 5' and step 6 'are continuously performed under a series of temperature control.
  • step 5 ′ the ambient temperature of the mold is increased from 60 ° C. to 85 ° C. at a temperature increase rate of 10 ° C. to 30 ° C. per hour, and the temperature is increased from 2 hours to 8 hours
  • the water according to ⁇ 214> or ⁇ 215> which is held and then cooled to room temperature, for example, 20 ° C., at a temperature lowering rate of 5 ° C. or more and 20 ° C. or less per hour in step 6 ′ to demold the molded body.
  • a method for producing a cured product of a hard composition is produced.
  • step 5 ′ the mold filled with the hydraulic composition is allowed to stand at an ambient temperature of 10 ° C. or higher and 30 ° C. or lower for 3 hours, and the ambient temperature is set to 70 ° C. or higher at a temperature increase rate of 20 ° C. per hour.
  • the temperature is raised to 90 ° C. or lower, and the heated temperature of 70 ° C. or higher and 90 ° C. or lower is maintained for 2 hours or longer and 6 hours or shorter, and then the ambient temperature is lowered to a room temperature, for example, 20 ° C.
  • the method for producing a cured body of a hydraulic composition according to any one of ⁇ 214> to ⁇ 216>, wherein the molded body is demolded after being cooled and allowed to stand for 20 to 30 hours at that temperature.
  • ⁇ 218> The method for producing a cured body of a hydraulic composition according to any one of ⁇ 214> to ⁇ 217>, wherein the autoclave is further cured at about 180 ° C.
  • Step 7 ′ A step of curing the cured product of the hydraulic composition obtained in Step 6' at normal temperature and pressure.
  • ⁇ 220> The method for producing a cured body of a hydraulic composition according to ⁇ 219>, wherein the cured body of the hydraulic composition obtained in Step 6 'is stored at 20 ° C. under atmospheric pressure in Step 7 ′.
  • step 2 or step 2 ′ the method of filling the formwork with the hydraulic composition obtained in step 1 or step 1 ′ discharges the kneaded hydraulic composition from the kneading means, and manually
  • (A) component and (C) component, (C) component (A) mass ratio, (C) / (A) is preferably 0/100 or more, more preferably 0/100 More preferably 0.05 / 99.95 or more, still more preferably 0.1 / 99.9 or more, still more preferably 1/99 or more, and preferably 50/50 or less, more preferably 30/70 or less, more preferably 10/90 or less, and the cured body of the hydraulic composition according to any one of the items describing the component (C) among ⁇ 176> to ⁇ 221> Production method.
  • Dispersant Composition for Hydraulic Composition ⁇ 115> to ⁇ 142> Hydraulic Composition, ⁇ 143> to ⁇ 152> Dispersant Composition for Hydraulic Composition
  • the matters described in the method for producing a product and the method for producing a hydraulic composition of ⁇ 153> to ⁇ 175> can be appropriately applied to the method for producing a cured product of the hydraulic composition.
  • the component (A) and the component (B) are contained, and the ratio of the content of (B) to the sum of the content of (A) and the content of (B) is 1% by mass or more and 60% by mass or less.
  • a water / hydraulic powder comprising the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 114>, a hydraulic powder, an aggregate, and water.
  • a composition having a ratio of 10% by mass or more and 25% by mass or less as a hydraulic composition for centrifugal molding.
  • a water / hydraulic powder comprising the dispersant composition for a hydraulic composition according to any one of ⁇ 1> to ⁇ 114>, a hydraulic powder, an aggregate, and water.
  • the ratio is 10 mass% or more and 53 mass% or less, and the total content of the component (A) and the component (B) is 0.25 mass part or more and 10 mass parts or less with respect to 100 mass parts of the hydraulic powder.
  • Dispersant Composition for Hydraulic Composition ⁇ 115> to ⁇ 142> Hydraulic Composition, ⁇ 143> to ⁇ 152> Dispersant Composition for Hydraulic Composition
  • the matters described in the manufacturing method of the product, the manufacturing method of the hydraulic composition of the above ⁇ 153> to ⁇ 175>, and the manufacturing method of the cured product of the hydraulic composition of the above ⁇ 176> to ⁇ 222> Can be appropriately applied to the use of.
  • ⁇ 232> Contains (A) component, (B) component, hydraulic powder, aggregate, and water for use in a centrifugal molding hydraulic composition, and has a water / hydraulic powder ratio.
  • the hydraulic composition according to any one of ⁇ 115> to ⁇ 142>, wherein the composition is 10% by mass or more and 25% by mass or less.
  • ⁇ 233> containing the dispersant composition for hydraulic composition according to the above ⁇ 1> to ⁇ 114>, a hydraulic powder, an aggregate, and water for use in a hydraulic composition for steam curing,
  • the water / hydraulic powder ratio is 10% by mass or more and 53% by mass or less, and the total content of the component (A) and the component (B) is 0.25 part by mass or more with respect to 100 parts by mass of the hydraulic powder.
  • the hydraulic composition in any one.
  • Dispersant Composition for Hydraulic Composition ⁇ 115> to ⁇ 142> Hydraulic Composition, ⁇ 143> to ⁇ 152> Dispersant Composition for Hydraulic Composition
  • the components in the table are as follows.
  • W Wakayama City tap water
  • C Hayako Portland cement (mixture of two: Hayaka Portland cement manufactured by Taiheiyo Cement Co., Ltd./ Hayako Portland cement manufactured by Sumitomo Osaka Cement Co., Ltd., 1/1, mass ratio), density 3.14 g / Cm 3
  • P High strength admixture (gypsum)
  • S Fine aggregate, crushed sand G: Coarse aggregate, crushed stone
  • W in Table 1 contains components selected from components (A) to (C) used in Table 2, and the amount of these components Is a small amount relative to the concrete mix, so W / (C + P) was calculated by taking into account the amount of W.
  • NSF sodium salt of naphthalenesulfonic acid formaldehyde condensate, weight average molecular weight 15000 This NSF was produced based on the example of Japanese Patent Publication No. 48-11737.
  • AES polyoxyethylene (30) oleyl ether sulfate ammonium
  • AES 60): polyoxyethylene (60) oleyl ether sulfate ammonium AE
  • AES polyoxyethylene (60) oleyl ether sulfate ammonium AE
  • AE polyoxyethylene (60) oleyl ether / Amite
  • the number in parentheses of the component (B) is the average number of moles of ethylene oxide added (Examples below) The same applies to comparative examples).
  • ⁇ The difference between the maximum value and the minimum value at the 8 locations is 3 mm or more and 5 mm or less.
  • X The difference between the maximum value and the minimum value of the thickness at 8 locations is more than 5mm (a state in which the product form is not maintained due to significant sagging or jumper)
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass in total of cement (C) and high-strength admixture (P).
  • the total addition amount is the solid content conversion of the sum total of (A) component, (B) component, and (C) component with respect to a total of 100 mass parts of cement (C) and a high-strength admixture (P). This is the amount added.
  • (B) / [(A) + (B)] is the amount of component (B) relative to the total content of component (A) and component (B) in the dispersant composition.
  • the molar ratio of (B) / naphthalene ring is the molar ratio (%) of the total amount of component (B) relative to the monomer unit containing naphthalene ring in component (A) (the following examples, The same applies to the comparative example).
  • W Wakayama City tap water
  • C Nghi Son Cement Corporation (Vietnam) “PCB-40”
  • S Fine aggregate (excluding Jyoyo mountain sand, particles with a particle size of 3.5 mm or more)
  • W in Table 3 contains components selected from the components (A) and (B) used in Tables 5 and 6, and the amount of these components is very small relative to the mortar formulation.
  • the W / C was calculated by taking into account the amount of.
  • NSF sodium salt of naphthalenesulfonic acid formaldehyde condensate, weight average molecular weight 15000 This NSF was produced based on the example of Japanese Patent Publication No. 48-11737.
  • B′-1 is a comparative compound of component (B), but is shown in Table 4 for convenience.
  • mortar was prepared by main kneading for 120 seconds at a low speed rotation (63 rpm) of a mortar mixer.
  • As the antifoaming agent 3% by mass of Foam Rex 797 (manufactured by Nikka Chemical Co., Ltd.) was added to the component (B).
  • the mortar obtained by kneading is filled into a mold having an inner diameter of 50 mm and a height of 100 mm and cured by a production method including steam curing.
  • the strength of the obtained mortar cured product is measured according to JIS A 1108 “ The test was carried out in accordance with “Method for testing compressive strength of concrete”.
  • the steam curing at the time of obtaining a hardening body was performed after the introduction of the predetermined time shown in Table 5,6.
  • the preliminary time is the time from the addition of kneading water (W) to the mortar mixer at the set temperature (30 ° C. in this case) until the start of the temperature rise for steam curing.
  • Preliminary placement was performed by filling the mold with a hydraulic composition and leaving the mold filled with mortar at a set temperature (30 ° C. in this case). The same applies to the following examples and comparative examples.
  • Steam curing was performed using a constant temperature and humidity chamber “PR-3J” manufactured by ESPEC CORP. With a humidity setting of 100%. The temperature increase in the steam curing was performed from 30 ° C. to 70 ° C.
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).
  • the compression strength ratio is a relative value when the compression strength of Comparative Example 2-1 is 100%.
  • Example 3 ⁇ Example 3 and Comparative Example 3> Mortar composition was changed as shown in Table 7, and mortar was prepared in the same manner as in Example 2 to evaluate fluidity and strength. The results are shown in Table 8.
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).
  • the compression strength ratio is a relative value when the compression strength of Comparative Example or Test Example 3-1 is 100% in each W / C.
  • the total amount of addition of component (A) and component (B) for obtaining a predetermined mortar flow is 0.25 parts by mass or more. It is necessary, and in this case, it can be seen that the compressive strength is increased by using the components (A) and (B) in combination.
  • the total addition amount of the component (A) and the component (B) is 0.22 parts by mass in a mortar formulation with W / C of 35% by mass, no fluidity is developed and strength measurement is performed. A cured product could not be produced.
  • the cement types in Table 9 are as follows. ⁇ Vietnam cement: “PCB-40” made by Nghi Son Cement Corporation -Thai Cement: “Type 1” manufactured by The Siam Cement Public Company Ltd. ⁇ Malaysia cement: “OPC” manufactured by Lafarge Malaysia Berhad ⁇ Indonesian cement: “OPC” made by PT Semen Indonesia (persero) Tbk ⁇ Chinese cement: Anhui Conch Cement Company Limited “52.5”
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).
  • the compressive strength ratio is a relative value when the compressive strength of the comparative example is 100% in each cement.
  • Example 5 and Comparative Example 5> The mortar composition was changed as shown in Table 10, and the prepreg time and the time until demolding were changed as shown in Tables 11 and 12, and mortar was prepared in the same manner as in Example 2.
  • the strength (denoted as “immediately after demolding” in the table) was evaluated. The results are shown in Tables 11 and 12.
  • Table 11 also shows the strength after 28 days (denoted as “after 28 days” in the table).
  • the time until demolding is the time from the addition of kneading water (W) to the removal of the cured product from the mold.
  • the 28-day strength is a strength measured after demolding 24 hours after the addition of the kneading water (W), curing in water in a constant temperature bath at 30 ° C., and 28 days after the addition of the kneading water (W). .
  • W kneading water
  • W curing in water in a constant temperature bath at 30 ° C.
  • W kneading water
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).
  • the compressive strength ratio is a relative value when the compressive strength of the comparative example is set to 100% in each of the preceding times.
  • Example 6 and Comparative Example 6 Part of the cement in the mortar formulation of Example 2 was replaced with fly ash, mortar was prepared in the same manner as in Example 2, and fluidity and strength were evaluated. The substitution rate by fly ash was as shown in Table 13. FA in Table 13 is an abbreviation for fly ash. As fly ash, Chinese fly ash raw powder was used. The results are shown in Table 14.
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).
  • the compression strength ratio is a relative value when the compression strength of the comparative example is 100% at each fly ash substitution rate.
  • W Wakayama City tap water
  • C Nghi Son Cement Corporation (Vietnam) “PCB-40”
  • S Fine aggregate (Jyoyo mountain sand, excluding particles with a particle size of 3.5mm or more)
  • W in Table 15 does not include a component selected from the components (A), (B), and (C) used in Table 17.
  • NSF sodium salt of naphthalenesulfonic acid formaldehyde condensate, weight average molecular weight 15000 This NSF was produced based on the example of Japanese Patent Publication No. 48-11737.
  • mortar was prepared by main kneading for 180 seconds at a low speed rotation (63 rpm) of a mortar mixer.
  • As the antifoaming agent 3% by mass of Foam Rex 797 (manufactured by Nikka Chemical Co., Ltd.) was added to the component (B).
  • the steam curing for obtaining the cured product was performed after a predetermined time.
  • the introduction was performed at 30 ° C. for 3 hours.
  • Steam curing was performed using a constant temperature and humidity chamber “PR-3J” manufactured by ESPEC CORP. With a humidity setting of 100%.
  • the temperature elevation in the steam curing was performed from 30 ° C. to 75 ° C. in 45 minutes as the set temperature of the constant temperature and humidity chamber.
  • the steam curing was performed for 2.5 hours with the set temperature of the constant temperature and humidity chamber being constant at 75 ° C.
  • the temperature lowering in the steam curing was performed from 75 ° C. to 30 ° C. in 45 minutes as the set temperature of the constant temperature and humidity chamber.
  • the strength was measured.
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A), the component (B), and the component (C) with respect to 100 parts by mass of the cement (C).
  • the compression strength ratio is a relative value when the compression strength of Comparative Example 7-1 is 100%.
  • Example 8 and Comparative Example 8> In the concrete mix of Table 18, using the components (A) and (B) of Table 19, a concrete for centrifugal molding was prepared in the same manner as in Example 1, and the moldability by centrifugal molding in the same manner as in Example 1 and The compressive strength was evaluated. The results are shown in Table 19.
  • the addition amount is the addition amount in terms of solid content of each component with respect to 100 parts by mass of cement (C).
  • the total addition amount is the addition amount in terms of solid content of the total of the component (A) and the component (B) with respect to 100 parts by mass of the cement (C).

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Emulsifying, Dispersing, Foam-Producing Or Wetting Agents (AREA)
PCT/JP2016/058145 2015-06-08 2016-03-15 遠心成型用水硬性組成物用分散剤組成物 Ceased WO2016199467A1 (ja)

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SG11201709250UA SG11201709250UA (en) 2015-06-08 2016-03-15 Dispersant composition for hydraulic composition for centrifugal molding
CN201680028187.3A CN107614457A (zh) 2015-06-08 2016-03-15 离心成型用水硬性组合物用分散剂组合物
MYPI2017704665A MY182707A (en) 2015-06-08 2016-03-15 Dispersant composition for hydraulic compositions for centrifugal molding
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WO2020031187A1 (en) * 2018-08-09 2020-02-13 Imi Tami Institute For R& D Ltd. Thin shaped structural elements and noble method of making same
US11370705B2 (en) * 2018-09-26 2022-06-28 NOVOREACH Technologies LLC Composition and method for making geopolymer tubes
JP6963540B2 (ja) * 2018-10-25 2021-11-10 花王株式会社 遠心成形又は振動成形用水硬性組成物用分散剤組成物
JP6713518B2 (ja) * 2018-11-09 2020-06-24 花王株式会社 水硬性組成物用分散剤組成物
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