CN105924031B - A kind of cement additire suitable for municipal works - Google Patents

A kind of cement additire suitable for municipal works Download PDF

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Publication number
CN105924031B
CN105924031B CN201610224268.2A CN201610224268A CN105924031B CN 105924031 B CN105924031 B CN 105924031B CN 201610224268 A CN201610224268 A CN 201610224268A CN 105924031 B CN105924031 B CN 105924031B
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CN
China
Prior art keywords
parts
propylben
methyl hydroxybenzoate
cement additire
cement
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Application number
CN201610224268.2A
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Chinese (zh)
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CN105924031A (en
Inventor
石鸿娟
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温岭市志创网络科技有限公司
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Priority to CN201610224268.2A priority Critical patent/CN105924031B/en
Publication of CN105924031A publication Critical patent/CN105924031A/en
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    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B40/00Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
    • C04B40/0028Aspects relating to the mixing step of the mortar preparation
    • C04B40/0039Premixtures of ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions 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
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Abstract

The invention discloses a kind of cement additire suitable for municipal works, it is made up of the raw material of following parts by weight:Calcium oxide, 35~45 parts;Calcium acetate, 5~15 parts;IPD, 10~20 parts;Benzyl glycidyl ether, 5~15 parts;Dimethyl silicone polymer, 15~25 parts;Isopropyl palmitate, 5~15 parts;Zinc dialkyl dithiophosphate, 20~30 parts;The mixture of methyl hydroxybenzoate and propylben, 5~7 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4~6:1.Cement additire provided by the invention can significantly improve the compression strength and rupture strength of cement, improve the smoothness and color of cement products, this may be relevant with the weight ratio of methyl hydroxybenzoate in cement additire and propylben, and the weight ratio of methyl hydroxybenzoate and propylben is 4~6:When between 1, effect is preferable.

Description

A kind of cement additire suitable for municipal works

Technical field

The present invention relates to municipal works, and in particular to a kind of cement additire suitable for municipal works.

Background technology

With social development, scientific and technological progress, the continuous improvement of mankind's actual life demand, especially in China, due to economy Flourish, it is necessary to substantial amounts of infrastructure, to meet modernization construction, at present, with road, bridge house and other high Layer building is on the increase, and increasing cement additire is applied in above-mentioned construction.

Cement additire is a kind of chemical addition agent for improving cement grinding effect and performance, can significantly improve cement grinding mill Unit-hour output and each age strength of cement.Cement additire can be greatly lowered the Electrostatic Absorption bag ball formed in grinding process and show As, and the coalescence trend again of the ultra-fine grain formed in grinding process can be reduced, reduced grinding phenomenon.Cement additire Also cement fluidity can be significantly improved, improves the grinding efficiency of grinding machine and the grinding efficiency of powder concentrator, so as to reduce grinding energy. As a kind of chemical activator, cement additire can improve concrete scroll and excite the hydration activity of each mixing material, so as to Improve cement early strength and later strength.

The content of the invention

It is an object of the invention to be to provide a kind of cement additire suitable for municipal works, for improving cement The combination properties such as intensity, wearability.

The above-mentioned purpose of the present invention is achieved by following technical scheme:

A kind of cement additire for municipal works, it is made up of the raw material of following parts by weight:Calcium oxide, 35~45 parts; Calcium acetate, 5~15 parts;IPD, 10~20 parts;Benzyl glycidyl ether, 5~15 parts;Dimethyl silicone polymer, 15 ~25 parts;Isopropyl palmitate, 5~15 parts;Zinc dialkyl dithiophosphate, 20~30 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 5~7 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4~6:1.

Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 40 parts;Calcium acetate, 10 Part;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Dimethyl silicone polymer, 20 parts;Isopropyl palmitate, 10 Part;Zinc dialkyl dithiophosphate, 25 parts;The mixture of methyl hydroxybenzoate and propylben, 6 parts;The methyl hydroxybenzoate Weight ratio with propylben is 5:1.

Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 35 parts;Calcium acetate, 5 Part;IPD, 10 parts;Benzyl glycidyl ether, 5 parts;Dimethyl silicone polymer, 15 parts;Isopropyl palmitate, 5 parts; Zinc dialkyl dithiophosphate, 20 parts;The mixture of methyl hydroxybenzoate and propylben, 5 parts;The methyl hydroxybenzoate and Buddhist nun The weight ratio for mooring golden propyl ester is 4:1.

Further, described cement additire is made up of the raw material of following parts by weight:Calcium oxide, 45 parts;Calcium acetate, 15 Part;IPD, 20 parts;Benzyl glycidyl ether, 15 parts;Dimethyl silicone polymer, 25 parts;Isopropyl palmitate, 15 Part;Zinc dialkyl dithiophosphate, 30 parts;The mixture of methyl hydroxybenzoate and propylben, 7 parts;The methyl hydroxybenzoate Weight ratio with propylben is 6:1.

The preparation method of above-mentioned cement additire is:It is 0.08~0.12mm that calcium oxide and calcium acetate first are ground into granularity Fine powder, then fine powder is well mixed with surplus stock.

A kind of strong concrete mixture for municipal works, contain above-mentioned cement additire.

Further, the cement additire accounts for the 0.08~0.12% of concrete mix gross weight.

Advantages of the present invention:Cement additire provided by the invention can significantly improve cement compression strength and anti-folding it is strong Degree, the smoothness and color of cement products are improved, this may be with methyl hydroxybenzoate in cement additire and propylben Weight ratio is relevant, and the weight ratio of methyl hydroxybenzoate and propylben is 4~6:When between 1, effect is preferable.

Embodiment

The essentiality content of the present invention is further illustrated with reference to embodiment, but present invention protection model is not limited with this Enclose.Although being explained in detail with reference to preferred embodiment to the present invention, it will be understood by those within the art that, can be right Technical scheme is modified or equivalent substitution, without departing from the spirit and scope of technical solution of the present invention.

Embodiment 1:The preparation of cement additire

Parts by weight of raw materials ratio:

Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 5:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 2:The preparation of cement additire

Parts by weight of raw materials ratio:

Calcium oxide, 35 parts;Calcium acetate, 5 parts;IPD, 10 parts;Benzyl glycidyl ether, 5 parts;Poly dimethyl Siloxanes, 15 parts;Isopropyl palmitate, 5 parts;Zinc dialkyl dithiophosphate, 20 parts;Methyl hydroxybenzoate and propylben Mixture, 5 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 3:The preparation of cement additire

Parts by weight of raw materials ratio:

Calcium oxide, 45 parts;Calcium acetate, 15 parts;IPD, 20 parts;Benzyl glycidyl ether, 15 parts;Poly- diformazan Radical siloxane, 25 parts;Isopropyl palmitate, 15 parts;Zinc dialkyl dithiophosphate, 30 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 7 parts;The weight ratio of methyl hydroxybenzoate and propylben is 6:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 4:The preparation of cement additire

Parts by weight of raw materials ratio:

Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 4:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 5:The preparation of cement additire

Parts by weight of raw materials ratio:

Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 6:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 6:The weight ratio of the contrast of embodiment 1, methyl hydroxybenzoate and propylben is 3:1

Parts by weight of raw materials ratio:

Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 3:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 7:The weight ratio of the contrast of embodiment 1, methyl hydroxybenzoate and propylben is 7:1

Parts by weight of raw materials ratio:

Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Poly- diformazan Radical siloxane, 20 parts;Isopropyl palmitate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;Methyl hydroxybenzoate and nipalgin third The mixture of ester, 6 parts;The weight ratio of methyl hydroxybenzoate and propylben is 7:1.

Preparation method:First by calcium oxide and calcium acetate be ground into granularity be 0.08~0.12mm fine powder, then by fine powder with Surplus stock is well mixed.

Embodiment 8:Effect example, compression strength and rupture strength measure

Cement additire prepared by embodiment 1~7, addition 0.1% are added in the preparation process of cement respectively.So The 28 days compression strength (MPa) and rupture strength relative value (%) of each cement are determined afterwards.

Cement additire source 28 days compression strength (MPa) 28 days rupture strength relative values (%) Embodiment 1 58.9 142 Embodiment 4 53.4 137 Embodiment 5 53.2 135 Embodiment 6 41.4 104 Embodiment 7 41.6 103 Do not add 40.4 100

The effect of the effect of embodiment 2 and 3 and embodiment 4 and 5 is basically identical.

The above results show, cement additire provided by the invention can significantly improve cement compression strength and anti-folding it is strong Degree.

Embodiment 9:Effect example, smoothness and color experiment

Mix the cement additire of the preparation of embodiment 1~7 respectively with the white cement of commercially available 32.5MPa strength grades, it is raw Production size is 300mm × 300mm × 60mm each 5 pieces of base substrates of smooth concrete plate brick, is stripped after standing 7 days at 20 ± 2 DEG C, Observe product surface situation.10kg white cements add 0.1kg cement additires.

Cement additire source Product surface situation Embodiment 1 Intact, surface is smooth, glossy Embodiment 4 Intact, surface is smooth, glossy Embodiment 5 Intact, surface is smooth, glossy Embodiment 6 Surface smoothness is poor, matt degree Embodiment 7 Surface smoothness is poor, matt degree Do not add Surface smoothness is poor, matt degree

The effect of the effect of embodiment 2 and 3 and embodiment 4 and 5 is basically identical.

The above results show that cement additire provided by the invention can significantly improve the smoothness and color of cement.

The effect of integrated embodiment 8 and embodiment 9 can be seen that cement additire provided by the invention and can significantly improve The compression strength and rupture strength of cement, the smoothness and color of cement products are improved, this may be with Buddhist nun in cement additire It is relevant with the weight ratio of propylben to moor tortoise beetle ester, the weight ratio of methyl hydroxybenzoate and propylben 4~ 6:When between 1, effect is preferable.

The effect of above-described embodiment indicates that the essentiality content of the present invention, but the protection of the present invention is not limited with this Scope.It will be understood by those within the art that technical scheme can be modified or equivalent substitution, Without departing from the essence and protection domain of technical solution of the present invention.

Claims (7)

1. a kind of cement additire for municipal works, it is characterised in that be made up of the raw material of following parts by weight:Calcium oxide, 35~45 parts;Calcium acetate, 5~15 parts;IPD, 10~20 parts;Benzyl glycidyl ether, 5~15 parts;Poly dimethyl Siloxanes, 15~25 parts;Isopropyl palmitate, 5~15 parts;Zinc dialkyl dithiophosphate, 20~30 parts;Methyl hydroxybenzoate and The mixture of propylben, 5~7 parts;The weight ratio of the methyl hydroxybenzoate and propylben is 4~6:1.
2. cement additire according to claim 1, it is characterised in that be made up of the raw material of following parts by weight:Calcium oxide, 40 parts;Calcium acetate, 10 parts;IPD, 15 parts;Benzyl glycidyl ether, 10 parts;Dimethyl silicone polymer, 20 parts;Palm fibre Palmitic acid isopropyl propionate, 10 parts;Zinc dialkyl dithiophosphate, 25 parts;The mixture of methyl hydroxybenzoate and propylben, 6 parts;Institute The weight ratio for stating methyl hydroxybenzoate and propylben is 5:1.
3. cement additire according to claim 1, it is characterised in that be made up of the raw material of following parts by weight:Calcium oxide, 35 parts;Calcium acetate, 5 parts;IPD, 10 parts;Benzyl glycidyl ether, 5 parts;Dimethyl silicone polymer, 15 parts;Palm Isopropyl propionate, 5 parts;Zinc dialkyl dithiophosphate, 20 parts;The mixture of methyl hydroxybenzoate and propylben, 5 parts;It is described The weight ratio of methyl hydroxybenzoate and propylben is 4:1.
4. cement additire according to claim 1, it is characterised in that be made up of the raw material of following parts by weight:Calcium oxide, 45 parts;Calcium acetate, 15 parts;IPD, 20 parts;Benzyl glycidyl ether, 15 parts;Dimethyl silicone polymer, 25 parts;Palm fibre Palmitic acid isopropyl propionate, 15 parts;Zinc dialkyl dithiophosphate, 30 parts;The mixture of methyl hydroxybenzoate and propylben, 7 parts;Institute The weight ratio for stating methyl hydroxybenzoate and propylben is 6:1.
5. the preparation method of any cement additire of Claims 1 to 4, it is characterised in that:First by calcium oxide and calcium acetate It is ground into granularity and is 0.08~0.12mm fine powder, then fine powder is well mixed with surplus stock.
A kind of 6. strong concrete mixture for municipal works, it is characterised in that:Contain any institute of Claims 1 to 4 The cement additire stated.
7. strong concrete mixture according to claim 6, it is characterised in that:The cement additire accounts for concrete The 0.08~0.12% of mixture total weight.
CN201610224268.2A 2016-04-12 2016-04-12 A kind of cement additire suitable for municipal works CN105924031B (en)

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CN108246250A (en) * 2016-12-28 2018-07-06 海门市源美美术图案设计有限公司 A kind of biology carbon composite and its preparation method and application

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1756724A (en) * 2003-03-05 2006-04-05 株式会社日本触媒 Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened product
CN104556810A (en) * 2014-12-24 2015-04-29 青岛佳尚创意文化有限公司 Cement grinding additive

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1756724A (en) * 2003-03-05 2006-04-05 株式会社日本触媒 Cement admixture, cement composition and method for laying work the same, and method for producing cement hardened product
CN104556810A (en) * 2014-12-24 2015-04-29 青岛佳尚创意文化有限公司 Cement grinding additive

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Effective date of registration: 20180305

Address after: Room seven, unit 313, No. 193, Wanchang Road, Taiping Street, Wenling City, Taizhou, Zhejiang

Applicant after: Wenling city Chong Network Technology Co. Ltd.

Address before: 311811 Zhejiang city of Shaoxing province Zhuji city Jiyang Street Village Road 57 building 3 unit 201 room

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Effective date of registration: 20180913

Address after: 210043 Jiangbei new area Nanjing Software Park (West District), Jiangbei District, Nanjing, Jiangsu 100

Patentee after: Hongda Construction Group Co., Ltd.

Address before: 317599 room 313, unit seven, Wanchang road 193, Taiping Street, Wenling, Taizhou, Zhejiang, China

Patentee before: Wenling city Chong Network Technology Co. Ltd.