CN105036598A - Efficient concrete water reducing agent and concrete - Google Patents

Efficient concrete water reducing agent and concrete Download PDF

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Publication number
CN105036598A
CN105036598A CN201510446245.1A CN201510446245A CN105036598A CN 105036598 A CN105036598 A CN 105036598A CN 201510446245 A CN201510446245 A CN 201510446245A CN 105036598 A CN105036598 A CN 105036598A
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China
Prior art keywords
concrete
water
reducing agent
water reducing
parts
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Pending
Application number
CN201510446245.1A
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Chinese (zh)
Inventor
张华�
李东阳
顾盛
宁学礼
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Kunshan Jianguo Concrete Products Co Ltd
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Kunshan Jianguo Concrete Products Co Ltd
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Priority to CN201510446245.1A priority Critical patent/CN105036598A/en
Publication of CN105036598A publication Critical patent/CN105036598A/en
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Abstract

The invention discloses an efficient concrete water reducing agent. The water reducing agent comprises, by weight, 35-40 parts of polycarboxylic acid mother liquor, 1-1.2 parts of sodium gluconate, 0.1-0.2 part of air entraining agent, 0.1-0.6 part of maltodextrin, 5-10 parts of cellulose water retention materials and 50-70 parts of water. By means of the efficient concrete water reducing agent, the concrete flowability can be improved, and the concrete solidification time can be prolonged, namely the construction time is prolonged; The invention further discloses concrete to which the water reducing agent is applied. The concrete has the advantages of being high in water reducing rate, little in shrinkage, small in admixture amount and good in durability.

Description

A kind of efficient cement water reducing agent and concrete
Technical field
The invention belongs to building material field, be specifically related to a kind of efficient cement water reducing agent and concrete.
Background technology
Concrete has that intensity is high, good endurance, technique are simple, the advantage of abundant raw material, therefore becoming now must indispensable material of construction, its by cement, auxiliary material, admixture, mineral material and water as required proportioning to admix, and after mixing, adopt transport trolley to be transported to place to use in specific time.But after concrete materials mixing, As time goes on chemical reaction can be there is, all detrimentally affect can be produced to concrete flowability, slump loss, the concrete of premixing needs to be transported on required building site in specific time, has higher requirement to concrete performance simultaneously.
In order to ensure concrete performance, the admixture adding various different performance adjusts, concrete admixture conventional at present can play minimizing water consumption, control time of coagulation, improve the effects such as weather resistance, but the performance of admixture is single, can not meet multiple demand, therefore, need the formula being carried out optimised coagulation soil by multi-faceted experiment, improve concrete performance, make concrete application prospect more wide.
The performance evaluating concrete excellence mainly contains following index: intensity is high, the basis of long durability, high water reducing rate, high strength possesses favorable working performance, be easy to pumping, be easy to closely knit etc.Along with the improvement of concrete technology, improve concrete performance now, mainly reasonably use admixture, especially high efficiency water reducing agent.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of efficient cement water reducing agent and concrete, this water reducer can improve concrete mobility, extends concrete setting time, namely extends the engineering time.
For achieving the above object, technical scheme of the present invention is as follows:
A kind of efficient cement water reducing agent, the formula number meter of water reducer, comprising:
The poly carboxylic acid mother liquor of 35-40 part,
The Sunmorl N 60S of 1-1.2 part,
The air entrapment agent of 0.1-0.2 part,
The Star Dri 5 of 0.1-0.6 part,
5-10 part Mierocrystalline cellulose water-keeping material,
50-70 part water.
In a preferred embodiment of the present invention, comprise further, described poly carboxylic acid mother liquor comprise following one or more: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor and maleic anhydride poly carboxylic acid diminishing mother liquor.
In a preferred embodiment of the present invention, comprise further, the solid content of described poly carboxylic acid mother liquor is 50%.
In a preferred embodiment of the present invention, comprise further, the formula of described air entrapment agent, according to weight parts, comprising: 25 parts of rosin, 6 parts of Whitfield's ointments, 0.4 part of sulfuric acid, 5 parts of potassium permanganate, 63.6 parts of water; Described rosin, Whitfield's ointment, sulfuric acid potassium permanganate react in water, and temperature of reaction is 60 DEG C.
In a preferred embodiment of the present invention, comprise further, described Mierocrystalline cellulose water-keeping material comprise following in one or more: Vltra tears, hydroxyethylmethyl-cellulose and methylcellulose gum.
In a preferred embodiment of the present invention, comprise further, the solid content of described Sunmorl N 60S is greater than 99%.
In a preferred embodiment of the present invention, comprise further, a kind of concrete, it contains above-described efficient cement water reducing agent, according to kg/m 3for unit meter, described concrete comprises following component:
Silicate cement: 343,
Medium sand: 688,
Stone: 950,
Efficient cement water reducing agent: 5.27,
Flyash: 79,
Water: 172,
Breeze: 105.
In a preferred embodiment of the present invention, comprise further, the intensity rank of described silicate cement is 52.5.
In a preferred embodiment of the present invention, comprise further, the continuous size fraction of described stone is 5-20mm.
In a preferred embodiment of the present invention, comprise further, the water ratio of described medium sand is 7.5%, and the water ratio of stone is 1.0%.
The invention has the beneficial effects as follows:
One, efficient cement water reducing agent of the present invention, can improve concrete mobility, extends concrete setting time, namely extend the engineering time.
Two, to have water-reducing rate high for concrete of the present invention, and shrink little, volume is low, good endurance.
Embodiment
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1
Disclose a kind of efficient cement water reducing agent in the present embodiment, the formula of water reducer is as shown in table 1.1:
The formula table of the water reducer in table 1.1 embodiment 1
Concrete, the solid content of above-mentioned poly carboxylic acid mother liquor is 50%; The solid content of above-mentioned Sunmorl N 60S is greater than 99%.
The formula of above-mentioned air entrapment agent, according to weight parts, comprising: 25 parts of rosin, 6 parts of Whitfield's ointments, 0.4 part of sulfuric acid, 5 parts of potassium permanganate, 63.6 parts of water; Above-mentioned rosin, Whitfield's ointment, sulfuric acid potassium permanganate react in water, and temperature of reaction is 60 DEG C.
Also disclose a kind of concrete in the present embodiment, it contains above above-mentioned efficient cement water reducing agent, and above-mentioned concrete formulation is as shown in table 1.2:
Concrete formula table in table 1.2 embodiment 1
Component Silicate cement Medium sand Stone Water reducer Flyash Water Breeze
Content kg/m 3 343 688 950 5.27 79 172 105
The intensity rank of above-mentioned silicate cement is 52.5, and the continuous size fraction of above-mentioned stone is 5-20mm, and the water ratio of above-mentioned medium sand is 7.5%, and the water ratio of stone is 1.0%.
The above-mentioned concrete slump is 220 ± 30mm, and efficient cement water reducing agent of the present invention can improve concrete mobility, extends concrete setting time, namely extends the engineering time; It is high that concrete of the present invention has water-reducing rate, and shrink little, volume is low, good endurance.
Embodiment 2
Disclose a kind of efficient cement water reducing agent in the present embodiment, the formula of water reducer is as shown in table 2.1:
The formula table of the water reducer in table 2.1 embodiment 2
Concrete, the solid content of above-mentioned poly carboxylic acid mother liquor is 50%; The solid content of above-mentioned Sunmorl N 60S is greater than 99%.
The formula of above-mentioned air entrapment agent, according to weight parts, comprising: 25 parts of rosin, 6 parts of Whitfield's ointments, 0.4 part of sulfuric acid, 5 parts of potassium permanganate, 63.6 parts of water; Above-mentioned rosin, Whitfield's ointment, sulfuric acid potassium permanganate react in water, and temperature of reaction is 60 DEG C.
Also disclose a kind of concrete in the present embodiment, it contains above above-mentioned efficient cement water reducing agent, and above-mentioned concrete formulation is as shown in table 2.2:
Concrete formula table in 2.2 embodiments 2
Component Silicate cement Medium sand Stone Water reducer Flyash Water Breeze
Content kg/m 3 343 688 950 5.27 79 172 105
The intensity rank of above-mentioned silicate cement is 52.5, and the continuous size fraction of above-mentioned stone is 5-20mm, and the water ratio of above-mentioned medium sand is 7.5%, and the water ratio of stone is 1.0%.
The above-mentioned concrete slump is 220 ± 30mm, and efficient cement water reducing agent of the present invention can improve concrete mobility, extends concrete setting time, namely extends the engineering time; It is high that concrete of the present invention has water-reducing rate, and shrink little, volume is low, good endurance.
Embodiment 3
Disclose a kind of efficient cement water reducing agent in the present embodiment, the formula of water reducer is as shown in table 3.1:
The formula table of the water reducer in table 3.1 embodiment 3
Concrete, the solid content of above-mentioned poly carboxylic acid mother liquor is 50%; The solid content of above-mentioned Sunmorl N 60S is greater than 99%.
The formula of above-mentioned air entrapment agent, according to weight parts, comprising: 25 parts of rosin, 6 parts of Whitfield's ointments, 0.4 part of sulfuric acid, 5 parts of potassium permanganate, 63.6 parts of water; Above-mentioned rosin, Whitfield's ointment, sulfuric acid potassium permanganate react in water, and temperature of reaction is 60 DEG C.
Also disclose a kind of concrete in the present embodiment, it contains above above-mentioned efficient cement water reducing agent, and above-mentioned concrete formulation is as shown in table 3.2:
Concrete formula table in 3.2 embodiments 3
Component Silicate cement Medium sand Stone Water reducer Flyash Water Breeze
Content kg/m 3 343 688 950 5.27 79 172 105
The intensity rank of above-mentioned silicate cement is 52.5, and the continuous size fraction of above-mentioned stone is 5-20mm, and the water ratio of above-mentioned medium sand is 7.5%, and the water ratio of stone is 1.0%.
The above-mentioned concrete slump is 220 ± 30mm, and efficient cement water reducing agent of the present invention can improve concrete mobility, extends concrete setting time, namely extends the engineering time; It is high that concrete of the present invention has water-reducing rate, and shrink little, volume is low, good endurance.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (10)

1. an efficient cement water reducing agent, is characterized in that, the formula number meter of water reducer, comprising:
The poly carboxylic acid mother liquor of 35-40 part,
The Sunmorl N 60S of 1-1.2 part,
The air entrapment agent of 0.1-0.2 part,
The Star Dri 5 of 0.1-0.6 part,
5-10 part Mierocrystalline cellulose water-keeping material,
50-70 part water.
2. a kind of efficient cement water reducing agent according to claim 1, is characterized in that, described poly carboxylic acid mother liquor comprise following one or more: vinylformic acid diminishing mother liquor, methacrylic acid diminishing mother liquor and maleic anhydride poly carboxylic acid diminishing mother liquor.
3. a kind of efficient cement water reducing agent according to claim 2, is characterized in that, the solid content of described poly carboxylic acid mother liquor is 50%.
4. a kind of efficient cement water reducing agent according to claim 1, is characterized in that, the formula of described air entrapment agent, according to weight parts, comprising: 25 parts of rosin, 6 parts of Whitfield's ointments, 0.4 part of sulfuric acid, 5 parts of potassium permanganate, 63.6 parts of water; Described rosin, Whitfield's ointment, sulfuric acid potassium permanganate react in water, and temperature of reaction is 60 DEG C.
5. a kind of efficient cement water reducing agent according to claim 1, is characterized in that, described Mierocrystalline cellulose water-keeping material comprise following in one or more: Vltra tears, hydroxyethylmethyl-cellulose and methylcellulose gum.
6. a kind of efficient cement water reducing agent according to claim 1, is characterized in that, the solid content of described Sunmorl N 60S is greater than 99%.
7. a concrete, it contains the efficient cement water reducing agent described in claim 1-6 any one, it is characterized in that, according to kg/m 3for unit meter, described concrete comprises following component:
Silicate cement: 343,
Medium sand: 688,
Stone: 950,
Efficient cement water reducing agent: 5.27,
Flyash: 79,
Water: 172,
Breeze: 105.
8. a kind of concrete according to claim 7, is characterized in that, the intensity rank of described silicate cement is 52.5.
9. a kind of concrete according to claim 7, is characterized in that, the continuous size fraction of described stone is 5-20mm.
10. a kind of concrete according to claim 7, is characterized in that, the water ratio of described medium sand is 7.5%, and the water ratio of stone is 1.0%.
CN201510446245.1A 2015-07-27 2015-07-27 Efficient concrete water reducing agent and concrete Pending CN105036598A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330199A (en) * 2015-12-15 2016-02-17 苏州万盛混凝土有限公司 Concrete water reducing agent
CN105481286A (en) * 2015-12-15 2016-04-13 苏州万盛混凝土有限公司 Concrete additive
CN105538512A (en) * 2016-01-26 2016-05-04 嘉兴市鼎业新型建材有限公司 Production method and system for concrete product
CN105585275A (en) * 2015-12-24 2016-05-18 江苏百瑞吉新材料有限公司 Concrete admixture for roads
CN106145751A (en) * 2016-06-24 2016-11-23 桂林华越环保科技有限公司 A kind of ultra early-strength cement water reducing agent
CN106145752A (en) * 2016-06-24 2016-11-23 桂林华越环保科技有限公司 A kind of cement water reducing agent
CN106186796A (en) * 2016-07-17 2016-12-07 临汾市华基新型建材有限公司 Concrete admixture
CN106673567A (en) * 2016-09-30 2017-05-17 江苏金海宁新型建材科技有限公司 High-performance concrete
CN107117853A (en) * 2017-04-01 2017-09-01 长沙秋点兵信息科技有限公司 A kind of concrete high-efficiency composite water-reducing agent and its application
CN108328962A (en) * 2018-02-06 2018-07-27 苏州市兴邦化学建材有限公司 A kind of highway bridge prefabrication concrete solid polycarboxylic acid water reducing agent
CN109020351A (en) * 2018-10-09 2018-12-18 淮北市腾威机械设备有限公司 A kind of concrete formulation and its manufacturing method
CN110482973A (en) * 2019-09-12 2019-11-22 徐州金盟新型建材有限公司 It is a kind of based on trade waste be raw material concrete and preparation method thereof
CN113149522A (en) * 2021-01-27 2021-07-23 淮安盖特建材科技有限公司 Preparation method of high-strength high-performance concrete

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Publication number Priority date Publication date Assignee Title
CN100999399A (en) * 2006-01-12 2007-07-18 上海建工材料工程有限公司 Autodensing concrete using polycarboxylic acid series additive and its technology
CN104418531A (en) * 2013-08-26 2015-03-18 天津市索坤工贸有限公司 High performance concrete water reducing agent
CN104446113A (en) * 2014-11-18 2015-03-25 桂林华越环保科技有限公司 High-performance polycarboxylate water reducer
CN104761177A (en) * 2015-03-19 2015-07-08 杨帆 Cement air entraining agent

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100999399A (en) * 2006-01-12 2007-07-18 上海建工材料工程有限公司 Autodensing concrete using polycarboxylic acid series additive and its technology
CN104418531A (en) * 2013-08-26 2015-03-18 天津市索坤工贸有限公司 High performance concrete water reducing agent
CN104446113A (en) * 2014-11-18 2015-03-25 桂林华越环保科技有限公司 High-performance polycarboxylate water reducer
CN104761177A (en) * 2015-03-19 2015-07-08 杨帆 Cement air entraining agent

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105330199A (en) * 2015-12-15 2016-02-17 苏州万盛混凝土有限公司 Concrete water reducing agent
CN105481286A (en) * 2015-12-15 2016-04-13 苏州万盛混凝土有限公司 Concrete additive
CN105585275A (en) * 2015-12-24 2016-05-18 江苏百瑞吉新材料有限公司 Concrete admixture for roads
CN105538512A (en) * 2016-01-26 2016-05-04 嘉兴市鼎业新型建材有限公司 Production method and system for concrete product
CN106145751A (en) * 2016-06-24 2016-11-23 桂林华越环保科技有限公司 A kind of ultra early-strength cement water reducing agent
CN106145752A (en) * 2016-06-24 2016-11-23 桂林华越环保科技有限公司 A kind of cement water reducing agent
CN106186796A (en) * 2016-07-17 2016-12-07 临汾市华基新型建材有限公司 Concrete admixture
CN106673567A (en) * 2016-09-30 2017-05-17 江苏金海宁新型建材科技有限公司 High-performance concrete
CN106673567B (en) * 2016-09-30 2019-09-20 江苏金海宁新型建材科技有限公司 A kind of high performance concrete
CN107117853A (en) * 2017-04-01 2017-09-01 长沙秋点兵信息科技有限公司 A kind of concrete high-efficiency composite water-reducing agent and its application
CN108328962A (en) * 2018-02-06 2018-07-27 苏州市兴邦化学建材有限公司 A kind of highway bridge prefabrication concrete solid polycarboxylic acid water reducing agent
CN109020351A (en) * 2018-10-09 2018-12-18 淮北市腾威机械设备有限公司 A kind of concrete formulation and its manufacturing method
CN110482973A (en) * 2019-09-12 2019-11-22 徐州金盟新型建材有限公司 It is a kind of based on trade waste be raw material concrete and preparation method thereof
CN113149522A (en) * 2021-01-27 2021-07-23 淮安盖特建材科技有限公司 Preparation method of high-strength high-performance concrete

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Application publication date: 20151111