CN108865330B - Concrete release agent - Google Patents

Concrete release agent Download PDF

Info

Publication number
CN108865330B
CN108865330B CN201810727189.2A CN201810727189A CN108865330B CN 108865330 B CN108865330 B CN 108865330B CN 201810727189 A CN201810727189 A CN 201810727189A CN 108865330 B CN108865330 B CN 108865330B
Authority
CN
China
Prior art keywords
parts
mixing
mass ratio
concrete
taking
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201810727189.2A
Other languages
Chinese (zh)
Other versions
CN108865330A (en
Inventor
王敏
陈建春
胡晓玉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Xi'an longbinliqiang Environmental Protection Technology Co.,Ltd.
Original Assignee
Xi'an Longbinliqiang Environmental Protection Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Xi'an Longbinliqiang Environmental Protection Technology Co ltd filed Critical Xi'an Longbinliqiang Environmental Protection Technology Co ltd
Priority to CN201810727189.2A priority Critical patent/CN108865330B/en
Publication of CN108865330A publication Critical patent/CN108865330A/en
Application granted granted Critical
Publication of CN108865330B publication Critical patent/CN108865330B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M159/00—Lubricating compositions characterised by the additive being of unknown or incompletely defined constitution
    • C10M159/12—Reaction 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
    • B28B7/00—Moulds; Cores; Mandrels
    • B28B7/38—Treating surfaces of moulds, cores, or mandrels to prevent sticking
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M167/00—Lubricating compositions characterised by the additive being a mixture of a macromolecular compound, a non-macromolecular compound and a compound of unknown or incompletely defined constitution, each of these compounds being essential
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/04—Elements
    • C10M2201/05—Metals; Alloys
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/06—Metal compounds
    • C10M2201/062—Oxides; Hydroxides; Carbonates or bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/08—Inorganic acids or salts thereof
    • C10M2201/081—Inorganic acids or salts thereof containing halogen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/087—Boron oxides, acids or salts
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/10—Compounds containing silicon
    • C10M2201/102—Silicates
    • C10M2201/103—Clays; Mica; Zeolites
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2201/00—Inorganic compounds or elements as ingredients in lubricant compositions
    • C10M2201/16—Carbon dioxide
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2203/00—Organic non-macromolecular hydrocarbon compounds and hydrocarbon fractions as ingredients in lubricant compositions
    • C10M2203/10—Petroleum or coal fractions, e.g. tars, solvents, bitumen
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/02—Hydroxy compounds
    • C10M2207/021—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2207/022—Hydroxy compounds having hydroxy groups bound to acyclic or cycloaliphatic carbon atoms containing at least two hydroxy groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2207/00—Organic non-macromolecular hydrocarbon compounds containing hydrogen, carbon and oxygen as ingredients in lubricant compositions
    • C10M2207/40—Fatty vegetable or animal oils
    • C10M2207/402—Castor oils
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/02—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/08—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to a carboxyl radical, e.g. acrylate type
    • C10M2209/084—Acrylate; Methacrylate
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/10—Macromolecular compoundss obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2209/103—Polyethers, i.e. containing di- or higher polyoxyalkylene groups
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2209/00—Organic macromolecular compounds containing oxygen as ingredients in lubricant compositions
    • C10M2209/12—Polysaccharides, e.g. cellulose, biopolymers
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/02—Amines, e.g. polyalkylene polyamines; Quaternary amines
    • C10M2215/04—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms
    • C10M2215/042—Amines, e.g. polyalkylene polyamines; Quaternary amines having amino groups bound to acyclic or cycloaliphatic carbon atoms containing hydroxy groups; Alkoxylated derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2215/00—Organic non-macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2215/14—Containing carbon-to-nitrogen double bounds, e.g. guanidines, hydrazones, semicarbazones
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2217/00—Organic macromolecular compounds containing nitrogen as ingredients in lubricant compositions
    • C10M2217/02—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds
    • C10M2217/022—Macromolecular compounds obtained from nitrogen containing monomers by reactions only involving carbon-to-carbon unsaturated bonds containing monomers having an unsaturated radical bound to an amino group
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2223/00—Organic non-macromolecular compounds containing phosphorus as ingredients in lubricant compositions
    • C10M2223/10—Phosphatides, e.g. lecithin, cephalin
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
    • C10M2227/00—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions
    • C10M2227/04—Organic non-macromolecular compounds containing atoms of elements not provided for in groups C10M2203/00, C10M2207/00, C10M2211/00, C10M2215/00, C10M2219/00 or C10M2223/00 as ingredients in lubricant compositions having a silicon-to-carbon bond, e.g. organo-silanes
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2010/00—Metal present as such or in compounds
    • C10N2010/04—Groups 2 or 12
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2030/00—Specified physical or chemical properties which is improved by the additive characterising the lubricating composition, e.g. multifunctional additives
    • C10N2030/06—Oiliness; Film-strength; Anti-wear; Resistance to extreme pressure
    • C—CHEMISTRY; METALLURGY
    • C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
    • C10N—INDEXING SCHEME ASSOCIATED WITH SUBCLASS C10M RELATING TO LUBRICATING COMPOSITIONS
    • C10N2040/00—Specified use or application for which the lubricating composition is intended
    • C10N2040/36—Release agents or mold release agents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses a concrete release agent, and belongs to the field of concrete. According to the invention, polyether polyol, mannitol and the like are used as raw materials, a prepolymer is prepared through dehydration and crosslinking, and the activated steel slag is matched, so that gaps of slurry can be filled, a transition stage microstructure is improved, a hydration process is accelerated, kerosene and a grinding aid are added for matching use, the ball milling efficiency is improved, the internal porosity of the steel slag is further enriched, the specific surface area is enlarged, active substances which can participate in hydration in the system are fully exposed, the demoulding effect is obviously improved, and the surface strength of concrete is enhanced. The added carbomer can form gel in the alkaline environment of the system, the excellent water retention and water retention performance of the gel can ensure that the hydration reaction is complete and complete in the using process, and CO2The pH value of the system is reduced, so that part of carbomer is converted into a dissolved state from a gel state again, and the demoulding effect in the concrete action process is facilitated. The invention solves the problem that the strength of concrete can be reduced after the existing concrete release agent is used.

Description

Concrete release agent
Technical Field
The invention belongs to the field of concrete, and particularly relates to a concrete release agent.
Background
The precast concrete member is a building member that is previously manufactured in a factory using concrete as a base material. Including beams, plates, columns, building decoration fittings and the like, are used for assembly on construction sites, and are the material foundation for building industrialization. It has the following characteristics: the structure performance is good, and the structure mechanics nature can effectively be guaranteed in the adoption batch production preparation, and the discreteness is little. In particular, the production of standard shaping components is carried out, the construction conditions of a prefabricated component factory are stable, the construction procedures are standard, and the quality is easier to ensure than that of cast-in-place components. The construction speed is fast, can prepare for the engineering construction in advance, and the prefabricated component that will reach intensity during the construction is installed, can accelerate the engineering progress, reduces workman intensity of labour. The industrialized production is energy-saving, is beneficial to environmental protection, and reduces the noise of site operation. Can realize batch industrial production, save materials and reduce construction cost. And the demolding of the prefabricated part cannot be separated from the high-efficiency professional concrete demolding agent.
The release agent is a functional substance between a mold and an organic high molecular substance or other products, and is a processing aid which prevents elastic substances such as rubber, plastic, polyurethane and the like and other materials such as molded products, laminated products, spinning parts and the like from being bonded to the mold or a metal plate surface and has the function of easy detachment. In the manufacturing process of concrete products, a concrete release agent is needed, which can prevent or reduce the adhesion of concrete and the surface of a template, thereby achieving the purposes of improving the product quality, reducing the labor intensity and improving the production efficiency.
The prior art has the following problems: in the preparation process of the concrete release agent, toxic substances such as toluene or xylene and the like are required to be added, and the toxic substances are volatilized in a large amount in the preparation and application processes of the release agent, so that the environment pollution caused by the toxic substances is avoided, the environment protection is not facilitated, the human health is not facilitated, and potential safety hazards exist.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the concrete release agent is provided for solving the problem that the concrete strength is reduced after the existing concrete release agent is used.
In order to solve the technical problems, the invention adopts the following technical scheme:
the concrete release agent comprises the following components in parts by weight: 15-25 parts of triethanolamine, 8-14 parts of lecithin, 5-10 parts of an auxiliary agent and 35-55 parts of water, and is characterized by further comprising: 25-40 parts of a cross-linked compound and 15-25 parts of a composite anticoagulant component.
The auxiliary agent is as follows: according to the mass ratio of 5: 1: and 1-2, mixing bentonite, kaolin and zeolite to obtain the assistant.
The preparation method of the cross-linked compound comprises the following steps:
(1) according to the mass ratio of 4: 1-2, mixing polyether polyol and mannitol, dehydrating, and cooling to obtain a pretreatment substance, wherein the pretreatment substance is prepared from the following raw materials in a mass ratio of 5: 1-2, adding diphenylmethane diisocyanate, mixing, reacting, cooling, adding a mixed solution with the mass of 40-60% of the pretreatment substance and a silane coupling agent with the mass of 10-15% of the pretreatment substance, mixing, stirring and standing to obtain a prepolymer for later use;
(2) according to the mass ratio of 1: 0.5-0.8: 12-18 taking carbomer, polyallylamine and water, mixing and stirring, standing at room temperature, stirring, cooling, introducing carbon dioxide, discharging, and obtaining a dispersion liquid;
(3) taking 15-30 parts of steel slag, 20-30 parts of kerosene and 8-15 parts of grinding aid in parts by weight, wherein the mass ratio of ball materials is 20-30: adding zirconia ball grinding beads into the mixture 1, and carrying out ball milling to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the mixture is 1: 4-8: and 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation to obtain the cross-linked composite.
The silane coupling agent in the step (1) is any one of silane coupling agents KH550, KH560 and KH 570.
Mixing oil in the step (1): according to the mass ratio of 4-6: 1: 1-2, mixing castor oil, rapeseed oil and olive oil to obtain mixed oil.
The grinding aid in the step (3) is as follows: any one of triethanolamine, triisopropanolamine, ethylene glycol and diethylene glycol.
The preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 1-2: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing and stirring, adjusting pH, standing to obtain a mixed material, and mixing the materials according to a mass ratio of 1: 5-8 taking vinasse and water, mixing and stirring, centrifuging, filtering to obtain filtrate, and taking the filtrate according to a mass ratio of 3-5: 1, adding the mixed materials to obtain a feed liquid for later use;
s2, measuring acetobacter xylinum according to 6% of inoculation amount, inoculating the acetobacter xylinum to an activation culture medium, carrying out shaking culture at 28-32 ℃ to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to 6% of inoculation amount, carrying out standing culture to obtain a fermentation broth, washing membrane water on the surface of the fermentation broth, soaking the fermentation broth in a NaOH solution, carrying out reduced pressure evaporation, and carrying out vacuum concentration to obtain a fermentation membrane forming substance;
s3, mixing the following components in a mass ratio of 5-8: 2-4: 0.1 mixing the standby feed liquid, the fermentation film forming matter and the auxiliary materials, carrying out ultrasonic oscillation to obtain a dispersion liquid, and carrying out vacuum evaporation on the dispersion liquid to 20-35% of the original volume to obtain the composite anticoagulant component.
The activation medium in step S2: taking 20-40 parts of glucose by weight30-55 parts of peptone, 20-30 parts of potato and 1-4 parts of Na2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain the activated culture medium.
The fermentation medium in step S2: taking 20-40 parts of glucose, 30-55 parts of peptone, 30-50 parts of yeast powder, 2-5 parts of citric acid and 1-4 parts of Na in parts by weight2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain the fermentation medium.
The auxiliary materials in the step S3: according to the mass ratio of 5: 1-2: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material.
Compared with other methods, the method has the beneficial technical effects that:
(1) the invention takes polyether glycol, mannitol and the like as raw materials, prepares a prepolymer through dehydration and crosslinking, activates steel slag through matching with ball milling treatment, reduces steel slag particles, generates crystal structure change, increases the specific surface area, internal energy and surface energy of the steel slag, reduces crystal lattice, generates crystal lattice dislocation and defects, forms an amorphous structure which is easy to dissolve in water on the surface of the steel slag, reduces the crystal lattice size, increases the contact area with water, improves the activity of the steel slag, contains a crosslinking material and mixed oil in the prepolymer, can fill slurry gaps, improves a transition period microstructure, accelerates the hydration process of the invention, can improve the ball milling efficiency by adding kerosene and a grinding aid for matching use, further enriches the internal porosity of the steel slag, further enlarges the specific surface area, fully exposes active substances which can participate in hydration in the system, and improves the activity of the steel slag, the demoulding effect is obviously improved, and the surface strength of the concrete is enhanced;
(2) according to the invention, carbomer with acidic groups is added, gel can be formed in an alkaline environment of the system, the excellent water retention and water retention performance of the gel can ensure that the hydration reaction is complete and complete in the use process, and CO2The pH value of the system is reduced, so that part of carbomer is converted into a dissolved state from a gel state again, and pores occupied by the carbomer gel originally are formedThe polyallylamine carbon dioxide originally fixed in the system is released in the action process, so that the porosity in the system can be further improved, the stability and the strength of the steel slag system are effectively enhanced, reactants required by a hydration reaction in the steel slag system are increased, and the steel slag system undergoes secondary hydration with other components and is mutually connected to form a large amount of gel structures with net structures, so that the internal structure of the system is more compact, the internal strength of the concrete is greatly improved, and the demolding effect is improved.
Detailed Description
Auxiliary agent: according to the mass ratio of 5: 1: and 1-2, mixing bentonite, kaolin and zeolite to obtain the assistant.
Grinding aid: any one of triethanolamine, triisopropanolamine, ethylene glycol and diethylene glycol.
Silane coupling agent: any one of silane coupling agents KH550, KH560 and KH 570.
Mixing oil: according to the mass ratio of 4-6: 1: 1-2, mixing castor oil, rapeseed oil and olive oil to obtain mixed oil.
Activating a culture medium: taking 20-40 parts of glucose, 30-55 parts of peptone, 20-30 parts of potato and 1-4 parts of Na in parts by weight2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain the activated culture medium.
Fermentation medium: taking 20-40 parts of glucose, 30-55 parts of peptone, 30-50 parts of yeast powder, 2-5 parts of citric acid and 1-4 parts of Na in parts by weight2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain the fermentation medium.
Auxiliary materials: according to the mass ratio of 5: 1-2: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material. A method of preparing a crosslinked composite comprising the steps of:
(1) according to the mass ratio of 4: 1-2, mixing polyether polyol and mannitol, dehydrating at 110-125 ℃ under 0.1MPa for 2-4 h, cooling to 40-55 ℃ to obtain a pretreatment substance, and taking the pretreatment substance according to a mass ratio of 5: 1-2, adding diphenylmethane diisocyanate, mixing, reacting at 80-90 ℃ for 3-5 h, cooling to 40-65 ℃, adding mixed oil with the mass of 40-60% of the pretreatment substance and silane coupling agent with the mass of 10-15% of the pretreatment substance, mixing, stirring at 250-350 r/min for 20-40 min, and standing for 3-6 h to obtain a prepolymer for later use;
(2) according to the mass ratio of 1: 0.5-0.8: 12-18 mixing and stirring carbomer, polyallylamine and water in a container, standing for 4-8 hours at room temperature, magnetically stirring for 20-30 minutes at 65-80 ℃ at 300-450 r/min, naturally cooling to 25-35 ℃, introducing carbon dioxide into the container at the speed of 60-80 mL/min for 3-5 hours, and discharging to obtain a dispersion liquid; (3) taking 15-30 parts of steel slag, 20-30 parts of kerosene and 8-15 parts of grinding aid in a ball milling tank according to the weight ratio of ball materials of 20-30: adding zirconia ball grinding beads into the mixture 1, and carrying out ball grinding for 2-4 h at the speed of 280-350 r/min to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the mixture is 1: 4-8: and 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation for 10-15 min to obtain the cross-linked composite.
The preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 1-2: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing, stirring at 300-450 r/min for 25-50 min, adding Na with concentration of 0.1mol/L2CO3Adjusting the pH value of the solution to 6.7-7.2, standing for 2-4 h,
obtaining a mixed material, wherein the mass ratio of the mixed material is 1: 5-8, mixing the vinasse and water, magnetically stirring for 3-5 hours at the speed of 300-450 r/min, transferring to a centrifugal machine, centrifuging for 10-15 minutes at the speed of 3000-4000 r/min, filtering to obtain filtrate, and taking the filtrate according to the mass ratio of 3-5: 1, adding the mixed materials to obtain a feed liquid for later use;
s2, taking 6% of inoculation quantity, inoculating acetobacter xylinum to an activation culture medium, carrying out shaking culture at the temperature of 28-32 ℃ and the speed of 150-180 r/min for 24-36 h to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to the inoculation quantity of 6%, carrying out standing culture at the temperature of 28-32 ℃ for 6-8 days to obtain a fermentation liquid, taking a surface membrane of the fermentation liquid, washing the surface membrane with deionized water, soaking the surface membrane in 0.1mol/L NaOH solution for 1-3 h, carrying out reduced pressure evaporation at the temperature of 55-70 ℃, and carrying out vacuum concentration until the water content is below 5% to obtain a fermentation membrane forming substance;
s3, mixing the following components in a mass ratio of 5-8: 2-4: 0.1 mixing the standby feed liquid, the fermentation film forming matter and the sodium citrate, carrying out ultrasonic oscillation for 10-15 min at the power of 300W to obtain a dispersion liquid, and carrying out vacuum evaporation on the dispersion liquid at the temperature of 55-70 ℃ to 20-35% of the original volume to obtain the composite anticoagulant component.
The concrete release agent comprises the following components in parts by weight: 15-25 parts of triethanolamine, 8-14 parts of lecithin, 5-10 parts of an auxiliary agent and 35-55 parts of water, and is characterized by further comprising: 25-40 parts of a cross-linked compound and 15-25 parts of a composite anticoagulant component.
A preparation method of a concrete release agent comprises the following steps:
(1) the anti-freezing agent comprises, by mass, 15-25 parts of triethanolamine, 8-14 parts of lecithin, 5-10 parts of an auxiliary agent, 25-40 parts of a cross-linked compound, 15-25 parts of a composite anti-freezing component and 35-55 parts of water;
(2) mixing triethanolamine, a cross-linked compound, an auxiliary agent and water in a container at 55-70 ℃ in a water bath, magnetically stirring for 20-45 min at 300-350 r/min, cooling to 28-35 ℃, adding a composite anticoagulant component and lecithin, mixing, dispersing for 10-15 min by ultrasonic waves to obtain a dispersion, evaporating under reduced pressure, and concentrating in vacuum to 25-40% of the original volume to obtain the concrete release agent.
Example 1
Auxiliary agent: according to the mass ratio of 5: 1: 1, mixing bentonite, kaolin and zeolite to obtain the auxiliary agent.
Grinding aid: triethanolamine.
Silane coupling agent: silane coupling agent KH 550.
Mixing oil: according to the mass ratio of 4: 1: 1 mixing castor oil, rapeseed oil and olive oil to obtain the mixed oil.
Activating a culture medium: taking 20 parts of glucose, 30 parts of peptone, 20 parts of potato and 1 part of Na according to parts by weight2HPO41 part of NaH2PO420 parts of agar and 900 parts of water, and sterilizing for 15min at 121 ℃ to obtain the activated culture medium.
Fermentation medium: taking 20 parts of glucose, 30 parts of peptone, 30 parts of yeast powder, 2 parts of citric acid and 1 part of Na in parts by weight2HPO41 part of NaH2PO420 portions ofAnd (3) sterilizing agar and 900 parts of water for 15min at 121 ℃ to obtain the fermentation medium.
Auxiliary materials: according to the mass ratio of 5: 1: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material. A method of preparing a crosslinked composite comprising the steps of:
(1) according to the mass ratio of 4: mixing polyether polyol and mannitol, dehydrating at 110 ℃ and 0.1MPa for 2 ℃, cooling to 40 ℃ to obtain a pretreatment substance, and taking the pretreatment substance according to a mass ratio of 5: 1, adding diphenylmethane diisocyanate, mixing, reacting at 80 ℃ for 5 hours, cooling to 40 ℃, adding mixed oil accounting for 40% of the mass of the pretreatment and a silane coupling agent accounting for 10% of the mass of the pretreatment, mixing, stirring at 250r/min for 40 minutes, and standing for 3 hours to obtain a prepolymer for later use;
(2) according to the mass ratio of 1: 0.5: 12 mixing and stirring carbomer, polyallylamine and water in a container, standing for 4h at room temperature, magnetically stirring at 65 ℃ for 20min at 300r/min, naturally cooling to 25 ℃, introducing carbon dioxide into the container at the speed of 60mL/min for 3h, discharging, and obtaining dispersion;
(3) taking 15 parts of steel slag, 20 parts of kerosene and 8 parts of grinding aid in a ball milling tank according to the weight part ratio of ball materials to be 20: 1, adding zirconia ball grinding beads, and carrying out ball milling for 4 hours at a speed of 280r/min to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the ball grinding material is 1: 4: and 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation for 10min to obtain the cross-linked composite.
The preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 1: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing, stirring at 450r/min for 25min, adding Na with concentration of 0.1mol/L2CO3Adjusting the pH value of the solution to 6.7, standing for 2 hours to obtain a mixed material, wherein the mixed material comprises the following components in a mass ratio of 1: 5, mixing the vinasse and water, magnetically stirring for 3 hours at 300r/min, transferring to a centrifuge for centrifugal treatment 10 at 3000/min, and filtering to obtain filtrate, wherein the filtrate is obtained according to the mass ratio of 3: 1, adding the mixed materials to obtain a feed liquid for later use;
s2, measuring acetobacter xylinum according to 6% of inoculation quantity, inoculating the acetobacter xylinum to an activation culture medium, performing shaking culture at 28 ℃ and 150r/min for 24 hours to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to 6% of inoculation quantity, performing standing culture at 28 ℃ for 8 days to obtain a fermentation liquid, cleaning a surface membrane of the fermentation liquid with deionized water, soaking the surface membrane in 0.1mol/L NaOH solution for 1 hour, performing reduced pressure evaporation at 55 ℃, and performing vacuum concentration until the water content is below 5%, thereby obtaining a fermentation membrane forming matter;
s3, mixing the following components in a mass ratio of 5: 2: 0.1 mixing the stock solution, fermented film forming material and sodium citrate, ultrasonically oscillating at 300W power for 10min to obtain dispersion, and vacuum evaporating at 55 deg.C to 20% of original volume to obtain composite anticoagulant component.
The concrete release agent comprises the following components in parts by weight: 15 parts of triethanolamine, 8 parts of lecithin, 5 parts of an auxiliary agent and 35 parts of water, and is characterized by further comprising the following components in parts by weight: 25 parts of cross-linked compound and 15 parts of compound anticoagulant component.
A preparation method of a concrete release agent comprises the following steps:
(1) the anti-freezing agent comprises, by mass, 15 parts of triethanolamine, 8 parts of lecithin, 5 parts of an auxiliary agent, 25 parts of a cross-linked compound, 15 parts of a composite anti-freezing component and 35 parts of water;
(2) mixing triethanolamine, a cross-linked compound, an auxiliary agent and water in a container at 55 ℃ in a water bath, magnetically stirring for 20min at 300r/min, cooling to 28 ℃, adding a compound anticoagulant component and lecithin, mixing, performing ultrasonic dispersion for 10min to obtain a dispersion, performing reduced pressure evaporation, and performing vacuum concentration to 25-40% of the original volume to obtain the concrete release agent.
Example 2
Auxiliary agent: according to the mass ratio of 5: 1: 2 mixing bentonite, kaolin and zeolite to obtain the assistant.
Grinding aid: triisopropanolamine.
Silane coupling agent: and a silane coupling agent KH 560.
Mixing oil: according to the mass ratio of 6: 1: 2 mixing oleum ricini, oleum Rapae, and oleum Olivarum to obtain mixed oil.
Activating a culture medium: taking 40 parts of glucose, 55 parts of peptone, 30 parts of potato and 4 parts of Na according to parts by weight2HPO44 parts of NaH2PO430 parts of agar and 1000 parts of water, and sterilizing at 121 ℃ for 20min to obtain the activated culture medium.
Fermentation medium: taking 40 parts of glucose, 55 parts of peptone, 50 parts of yeast powder, 5 parts of citric acid and 4 parts of Na in parts by weight2HPO44 parts of NaH2PO430 parts of agar and 1000 parts of water, and sterilizing at 121 ℃ for 20min to obtain the fermentation medium.
Auxiliary materials: according to the mass ratio of 5: 2: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material. A method of preparing a crosslinked composite comprising the steps of:
(1) according to the mass ratio of 4: 2, mixing polyether polyol and mannitol, dehydrating at 125 ℃ and 0.1MPa for 4 hours, cooling to 55 ℃ to obtain a pretreatment substance, and taking the pretreatment substance according to a mass ratio of 5: 2, adding diphenylmethane diisocyanate, mixing, reacting at 90 ℃ for 5 hours, cooling to 65 ℃, adding mixed oil accounting for 60% of the mass of the pretreatment and a silane coupling agent accounting for 15% of the mass of the pretreatment, mixing, stirring at 350r/min for 20 minutes, and standing for 6 hours to obtain a prepolymer for later use;
(2) according to the mass ratio of 1: 0.8: 18 mixing and stirring carbomer, polyallylamine and water in a container, standing for 8h at room temperature, magnetically stirring for 30min at 80 ℃ at 450r/min, naturally cooling to 35 ℃, introducing carbon dioxide into the container at 80mL/min for 5h, discharging, and obtaining dispersion;
(3) according to the weight portion, 30 portions of steel slag, 30 portions of kerosene and 15 portions of grinding aid are put into a ball milling tank, and the mass ratio of ball materials is 30: 1, adding zirconia ball grinding beads, and carrying out ball milling for 4 hours at the speed of 350r/min to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the ball grinding material is 1: 8: and 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation for 15min to obtain the cross-linked composite.
The preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 2: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing, stirring at 450r/min for 50min, adding Na with concentration of 0.1mol/L2CO3Adjusting the pH value of the solution to 7.2, standing for 4 hours to obtain a mixed material, wherein the mixed material comprises the following components in a mass ratio of 1: 8, mixing the vinasse and water, magnetically stirring for 3 hours at 450r/min, transferring to a centrifugal machine, centrifuging for 15 minutes at 4000r/min, filtering to obtain filtrate, and taking the filtrate according to the mass ratio of 5: 1 addition ofMixing to obtain feed liquid for later use;
s2, measuring acetobacter xylinum according to 6% of inoculation quantity, inoculating the acetobacter xylinum to an activation culture medium, performing shaking culture at 32 ℃ and 180r/min for 36 hours to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to 6% of inoculation quantity, performing standing culture at 32 ℃ for 8 days to obtain a fermentation liquid, cleaning a surface membrane of the fermentation liquid with deionized water, soaking the surface membrane in 0.1mol/L NaOH solution for 3 hours, performing reduced pressure evaporation at 70 ℃, and performing vacuum concentration until the water content is below 5%, thereby obtaining a fermentation membrane forming matter;
s3, preparing a mixture by mass ratio of 8: 4: 0.1 mixing the stock solution, fermented film forming material and sodium citrate, ultrasonically oscillating at 300W power for 15min to obtain dispersion, and vacuum evaporating at 70 deg.C to 35% of original volume to obtain composite anticoagulant component.
The concrete release agent comprises the following components in parts by weight: 25 parts of triethanolamine, 14 parts of lecithin, 10 parts of an auxiliary agent and 55 parts of water, and is characterized by further comprising the following components in parts by weight: 40 parts of cross-linked compound and 25 parts of compound anticoagulation component.
A preparation method of a concrete release agent comprises the following steps:
(1) the composition comprises, by mass, 25 parts of triethanolamine, 14 parts of lecithin, 10 parts of an auxiliary agent, 40 parts of a cross-linked complex, 25 parts of a composite anticoagulant component and 55 parts of water;
(2) mixing triethanolamine, a cross-linked compound, an auxiliary agent and water in a container at 70 ℃, magnetically stirring for 45min at 350r/min, cooling to 35 ℃, adding a compound anticoagulant component and lecithin, mixing, performing ultrasonic dispersion for 15min to obtain a dispersion, performing reduced pressure evaporation, and performing vacuum concentration to 40% of the original volume to obtain the concrete release agent.
Example 3
Auxiliary agent: according to the mass ratio of 5: 1: 1.5 mixing bentonite, kaolin and zeolite to obtain the assistant.
Grinding aid: ethylene glycol.
Silane coupling agent: silane coupling agent KH 570.
Mixing oil: according to the mass ratio of 5: 1: 1 mixing castor oil, rapeseed oil and olive oil to obtain the mixed oil.
Activating a culture medium: push buttonTaking 30 parts of glucose, 40 parts of peptone, 25 parts of potato and 2 parts of Na in parts by mass2HPO42 parts of NaH2PO4And 25 parts of agar and 950 parts of water, and sterilizing at 121 ℃ for 18min to obtain the activated culture medium.
Fermentation medium: taking 30 parts of glucose, 40 parts of peptone, 40 parts of yeast powder, 3 parts of citric acid and 3 parts of Na in parts by mass2HPO43 parts of NaH2PO4And (3) sterilizing the mixture for 18min at 121 ℃ by using 25 parts of agar and 950 parts of water to obtain the fermentation medium.
Auxiliary materials: according to the mass ratio of 5: 1.5: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material. A method of preparing a crosslinked composite comprising the steps of:
(1) according to the mass ratio of 4: 1.5 mixing polyether polyol and mannitol, dehydrating at 118 ℃ and 0.1MPa for 3h, cooling to 48 ℃ to obtain a pretreatment substance, and taking the pretreatment substance according to the mass ratio of 5: 1.5 adding diphenylmethane diisocyanate for mixing, reacting at 85 ℃ for 4h, cooling to 50 ℃, adding mixed oil accounting for 50% of the mass of the pretreatment and silane coupling agent accounting for 12% of the mass of the pretreatment for mixing, stirring at 300r/min for 30min, and standing for 4h to obtain a prepolymer for later use;
(2) according to the mass ratio of 1: 0.6: 14 mixing and stirring carbomer, polyallylamine and water in a container, standing for 6h at room temperature, magnetically stirring for 25min at 70 ℃ at 400r/min, naturally cooling to 30 ℃, introducing carbon dioxide into the container at the speed of 70mL/min for 4h, discharging, and obtaining dispersion;
(3) according to the weight portion, 24 portions of steel slag, 26 portions of kerosene and 12 portions of grinding aid are put into a ball milling tank, and the mass ratio of ball materials is 25: 1, adding zirconia ball grinding beads, and carrying out ball milling for 3h at the speed of 320r/min to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the zirconia ball grinding beads is 1: 6: and 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation for 12min to obtain the cross-linked composite.
The preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 1.5: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing, stirring at 400/min for 35min, adding Na with concentration of 0.1mol/L2CO3Adjusting the pH value of the solution to 7.0, standing for 3 hours to obtain a mixed material, wherein the mixed material comprises the following components in a mass ratio of 1: 6, mixing the vinasse and water, magnetically stirring for 4 hours at 400r/min, transferring to a centrifugal machine, centrifuging for 12 minutes at 3500r/min, filtering to obtain filtrate, and taking the filtrate according to the mass ratio of 4: 1, adding the mixed materials to obtain a feed liquid for later use;
s2, measuring acetobacter xylinum according to 6% of inoculation quantity, inoculating the acetobacter xylinum to an activation culture medium, performing shaking culture at 30 ℃ and 160r/min for 30 hours to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to 6% of inoculation quantity, performing standing culture at 30 ℃ for 7 days to obtain a fermentation liquid, cleaning a surface membrane of the fermentation liquid with deionized water, soaking the surface membrane in 0.1mol/L NaOH solution for 2 hours, performing reduced pressure evaporation at 60 ℃, and performing vacuum concentration until the water content is below 5%, thereby obtaining a fermentation membrane forming matter;
s3, mixing the following components in percentage by mass 6: 3: 0.1 mixing the stock solution, fermented film-forming material and sodium citrate, ultrasonically oscillating at 300W power for 12min to obtain dispersion, and vacuum evaporating at 62 deg.C to 26% of original volume to obtain composite anticoagulant component.
The concrete release agent comprises the following components in parts by weight: 20 parts of triethanolamine, 11 parts of lecithin, 7 parts of an auxiliary agent and 45 parts of water, and is characterized by further comprising the following components in parts by weight: 32 parts of cross-linked compound and 20 parts of compound anticoagulant component.
A preparation method of a concrete release agent comprises the following steps:
(1) the anti-freezing agent comprises, by mass, 20 parts of triethanolamine, 11 parts of lecithin, 7 parts of an auxiliary agent, 45 parts of a cross-linked complex, 32 parts of a composite anti-freezing component and 20 parts of water;
(2) mixing triethanolamine, a cross-linked compound, an auxiliary agent and water in a container at 60 ℃, magnetically stirring for 35min at 320r/min, cooling to 30 ℃, adding a compound anticoagulant component and lecithin, mixing, performing ultrasonic dispersion for 12min to obtain a dispersion, performing reduced pressure evaporation, and performing vacuum concentration to 30% of the original volume to obtain the concrete release agent.
Comparative example 1: essentially the same procedure as in example 2 was followed, except that the crosslinked complex was absent.
Comparative example 2: the preparation method is basically the same as that of example 2, except that the complex anticoagulant composition is absent.
Comparative example 3: a concrete release agent produced by a certain company in Wuhan City.
The concrete release agents of the examples and comparative examples obtained above were added to the same kind of concrete, and the release efficiency and the strength of the concrete were tested with reference to the standard GB/T175-2007, and the results are shown in table 1.
Demoulding efficiency = mass of concrete after demoulding/mass of initial concrete × 100%
Table 1:
Figure 590771DEST_PATH_IMAGE001
in conclusion, the concrete release agent disclosed by the invention is high in demoulding efficiency, can be used for enhancing the strength of concrete, and is worthy of popularization and application.

Claims (3)

1. The concrete release agent comprises the following components in parts by weight: 15-25 parts of triethanolamine, 8-14 parts of lecithin, 5-10 parts of an auxiliary agent and 35-55 parts of water, and is characterized by further comprising: 25-40 parts of a cross-linked compound and 15-25 parts of a composite anticoagulant component;
the auxiliary agent is as follows: according to the mass ratio of 5: 1: 1-2, mixing bentonite, kaolin and zeolite to obtain an auxiliary agent;
the preparation method of the cross-linked compound comprises the following steps:
(1) according to the mass ratio of 4: 1-2, mixing polyether polyol and mannitol, dehydrating, and cooling to obtain a pretreatment substance, wherein the pretreatment substance is prepared from the following raw materials in a mass ratio of 5: 1-2, adding diphenylmethane diisocyanate, mixing, reacting, cooling, adding a mixed solution with the mass of 40-60% of the pretreatment substance and a silane coupling agent with the mass of 10-15% of the pretreatment substance, mixing, stirring and standing to obtain a prepolymer for later use; the mixed solution is as follows: according to the mass ratio of 4-6: 1: 1-2, mixing castor oil, rapeseed oil and olive oil to obtain a mixed solution;
(2) according to the mass ratio of 1: 0.5-0.8: 12-18 taking carbomer, polyallylamine and water, mixing and stirring, standing at room temperature, stirring, cooling, introducing carbon dioxide, discharging, and obtaining a dispersion liquid;
(3) taking 15-30 parts of steel slag, 20-30 parts of kerosene and 8-15 parts of grinding aid in parts by weight, wherein the mass ratio of ball materials is 20-30: adding zirconia ball grinding beads into the mixture 1, and carrying out ball milling to obtain a ball grinding material, wherein the mass ratio of the zirconia ball grinding beads to the mixture is 1: 4-8: 5, mixing the ball grinding material, the prepolymer for later use and the dispersion liquid, and carrying out ultrasonic oscillation to obtain a cross-linked composite;
the preparation method of the composite anticoagulation component comprises the following steps:
s1, mixing the following components in a mass ratio of 4: 1-2: 1: 2 taking sodium alginate, polyvinyl alcohol, boric acid and CaCl2Mixing and stirring, adjusting pH, standing to obtain a mixed material, and mixing the materials according to a mass ratio of 1: 5-8 taking vinasse and water, mixing and stirring, centrifuging, filtering to obtain filtrate, and taking the filtrate according to a mass ratio of 3-5: 1, adding the mixed materials to obtain a feed liquid for later use;
s2, measuring acetobacter xylinum according to 6% of inoculation amount, inoculating the acetobacter xylinum to an activation culture medium, carrying out shaking culture at 28-32 ℃ to obtain an activation solution, inoculating the activation solution to a fermentation culture medium according to 6% of inoculation amount, carrying out standing culture to obtain a fermentation broth, washing membrane water on the surface of the fermentation broth, soaking the fermentation broth in a NaOH solution, carrying out reduced pressure evaporation, and carrying out vacuum concentration to obtain a fermentation membrane forming substance; the activation medium is: taking 20-40 parts of glucose, 30-55 parts of peptone, 20-30 parts of potato and 1-4 parts of Na in parts by weight2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain an activated culture medium; the fermentation medium comprises: taking 20-40 parts of glucose, 30-55 parts of peptone, 30-50 parts of yeast powder, 2-5 parts of citric acid and 1-4 parts of Na in parts by weight2HPO41-4 parts of NaH2PO420-30 parts of agar and 900-1000 parts of water, and sterilizing at 121 ℃ for 15-20 min to obtain a fermentation medium;
s3, mixing the following components in a mass ratio of 5-8: 2-4: 0.1 mixing the standby feed liquid, the fermentation film forming matter and the auxiliary materials, carrying out ultrasonic oscillation to obtain a dispersion liquid, and carrying out vacuum evaporation on the dispersion liquid to 20-35% of the original volume to obtain a composite anticoagulant component; the auxiliary materials are as follows: according to the mass ratio of 5: 1-2: 1 mixing sodium citrate, potassium chloride and secondary alkyl sodium sulfonate to obtain the auxiliary material.
2. The concrete mold release agent according to claim 1, wherein the silane coupling agent in step (1) is any one of silane coupling agents KH550, KH560 and KH 570.
3. The concrete mold release agent as claimed in claim 1, wherein the grinding aid in step (3): any one of triethanolamine, triisopropanolamine, ethylene glycol and diethylene glycol.
CN201810727189.2A 2018-07-05 2018-07-05 Concrete release agent Active CN108865330B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810727189.2A CN108865330B (en) 2018-07-05 2018-07-05 Concrete release agent

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810727189.2A CN108865330B (en) 2018-07-05 2018-07-05 Concrete release agent

Publications (2)

Publication Number Publication Date
CN108865330A CN108865330A (en) 2018-11-23
CN108865330B true CN108865330B (en) 2021-06-08

Family

ID=64299248

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810727189.2A Active CN108865330B (en) 2018-07-05 2018-07-05 Concrete release agent

Country Status (1)

Country Link
CN (1) CN108865330B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110665626B (en) * 2019-11-11 2020-12-08 马鞍山钢铁股份有限公司 Steel slag modifier with structure-assisted grinding and surface wrapping functions and preparation method thereof
CN113862059B (en) * 2021-09-15 2022-10-21 西北工业大学 Method for preparing high-temperature lubricant for steel forming by using blast furnace slag as raw material

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5658374A (en) * 1995-02-28 1997-08-19 Buckman Laboratories International, Inc. Aqueous lecithin-based release aids and methods of using the same
US7569525B2 (en) * 2004-06-23 2009-08-04 Novelis Inc. Lubricant formulations for sheet metal processing
CN104403768B (en) * 2014-10-10 2017-08-08 科之杰新材料集团有限公司 A kind of concrete prefabricated element releasing agent and preparation method thereof
CN105295650B (en) * 2015-11-13 2019-01-01 中国建筑股份有限公司 A kind of concrete blinding paint and preparation method thereof
CN106541491B (en) * 2016-10-07 2019-01-25 广州振中建设有限公司 A kind of preparation method of environment-friendly type concrete release agent
CN107603704B (en) * 2017-09-17 2020-09-01 石家庄市长安育才建材有限公司 Water-based release agent for fair-faced concrete and preparation method thereof

Also Published As

Publication number Publication date
CN108865330A (en) 2018-11-23

Similar Documents

Publication Publication Date Title
WO2022262319A1 (en) Fly ash-based foam geopolymer, preparation method therefor, and use thereof
CN108865330B (en) Concrete release agent
WO2022000524A1 (en) Method for preparing building material by using compound microorganism mineralization
CN107814530B (en) High-strength recycled concrete porous brick
CN111253119B (en) Graphene oxide-silane coupling agent-geopolymer composite material and preparation method thereof
CN111233384B (en) Graphene oxide reinforced geopolymer and preparation method thereof
CN114591049B (en) Method for preparing green mortar by using construction waste
CN109704663B (en) Method for efficiently preparing porous geopolymer by using vegetable oil
CN115108767B (en) Regenerated high-strength concrete for house building and preparation method thereof
CN111978055A (en) Recycled concrete with excellent impermeability and preparation method thereof
CN112010613A (en) Preparation method of modified corn straw fiber reinforced recycled concrete
CN110258278A (en) The press mortar and processing method to be come to nothing using microbial strains punishment cement pavement
CN108178533A (en) The preparation method of high-strength regenerative gel material product
CN114230256A (en) Method for preparing controllable low-strength material by alkali-activated fly ash from red mud and product thereof
CN113200712A (en) Iron-rich sludge/slag composite geopolymer and preparation method thereof
CN111875410A (en) Light magnesium slag building material and preparation method thereof
CN110981324A (en) Preparation method of high-compression-resistance durable waterproof mortar
CN110563388B (en) Ecological soil curing agent and preparation method thereof
CN113277770B (en) Preparation method and application of modified flax fiber with enhancement effect
CN112299811B (en) Soil curing agent for road base and preparation method thereof
CN106966652A (en) A kind of preparation method of paper white sludge based artificial stone
CN109293263B (en) Oriented porous geopolymer inorganic membrane and preparation method thereof
CN107188493A (en) A kind of preparation method of unburned environment friendly pervious brick
CN113683378A (en) Autoclaved aerated concrete block containing industrial solid waste and preparation method thereof
CN102863249B (en) Method for preparing aerated bricks by utilizing ceramic waste

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
TA01 Transfer of patent application right

Effective date of registration: 20210519

Address after: 710000 innovation and innovation science and Technology Park in the middle section of Qinwang 2nd Road, Lintong District, Xi'an City, Shaanxi Province

Applicant after: Xi'an longbinliqiang Environmental Protection Technology Co.,Ltd.

Address before: 213000 Room 102, unit 2, Taoyuan 2 village, Tianning District, Changzhou, Jiangsu

Applicant before: Wang Min

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant