CN103755214B - Concrete antifreezer - Google Patents
Concrete antifreezer Download PDFInfo
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- CN103755214B CN103755214B CN201410022575.3A CN201410022575A CN103755214B CN 103755214 B CN103755214 B CN 103755214B CN 201410022575 A CN201410022575 A CN 201410022575A CN 103755214 B CN103755214 B CN 103755214B
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- concrete
- antifreezer
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- concrete antifreezer
- polyacrylamide
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Abstract
The invention relates to a concrete antifreezer. The concrete antifreezer is prepared from the following raw materials in parts by weight: 1-2 parts of polyacrylamide, 0.5-1 part of sodium alkyl benzene sulfonate, 2-4 parts of glycol and 0.5-1 part of sodium carboxymethyl cellulose. The antifreezer disclosed by the invention can be used at the temperature of about -10 DEG C, concrete doped with the concrete antifreezer has very good durability, the 100-times freeze-thaw strength loss rate of the concrete is lower than 5%, and the 90-day shrinkage ratio of the concrete is lower than 17%.
Description
Technical field
The present invention relates to a kind of frostproofer, particularly relate to a kind of concrete antifreezer.
Background technology
Concreting in cold-weather, because concrete temperature and outside air temperature have difference, heat exchange can be produced between concrete and ambient temperature, when envrionment temperature is very low, this heat exchange will reduce concrete temperature soon, for fresh concrete, the speed that temperature reduces determines the size of hydration temperature, temperature reduces faster, the growth of concrete strength is slower, when concrete too early endure cold after, intensity would not increase again, still also just high at the free water content of inside concrete, frost-heave force after freezing is just larger, concrete just easily damages, concrete strength reduce reason mainly water freeze after volume increase, frost heave stress just produces crack thereupon increasing, concrete structure is damaged, when the first few hour of concrete placement be dangerous maximum when, concrete weather resistance may by one, secondary freeze-thaw cycle damages concrete structure, and the concrete antifreezer of use properties excellence can make concrete delay the process of freezing, extend critical strength, produce certain freezing tolerance.
Concrete antifreezer is composite prod, and concrete workability obviously can be improved in the basis of improving early strength, and volume is total rubber 2 ~ 5%.By adjustment volume during use, the winter construction requirement of-5 ~-20 DEG C can be adapted to.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, and a kind of concrete antifreezer is provided.
The technical scheme that the present invention takes is:
A kind of concrete antifreezer, is made up of the raw material of following weight part ratio: polyacrylamide 1-2 part, sodium alkyl benzene sulfonate 0.5-1 part, ethylene glycol 2-4 part, Xylo-Mucine 0.5-1 part.
Described concrete antifreezer, is preferably made up of the raw material of following weight part ratio: polyacrylamide 1 part, sodium alkyl benzene sulfonate 0.5 part, ethylene glycol 2 parts, Xylo-Mucine 0.5 part.
The concrete of use concrete antifreezer need be undertaken constructing by the relevant regulations in winter construction concrete and (can should carry out Specific construction arrangement according to regulation in " concrete antifreezer " (JC475) with reference to " concrete admixture " (GB 8076-2008) simultaneously.Namely enter winter construction when the continuous 5d of outdoor daily mean temperature is stable lower than 5 DEG C, will frostproofer be added.
The invention has the beneficial effects as follows:
1, when concrete antifreezer is without chlorine frostproofer, steel bar corrosion can not be produced.
2, can in negative about 10 degree uses.
3, the concrete mixing concrete antifreezer has good weather resistance: 100 times freezing-thawing strength damage leads lower than 5%, and within 90 days, shrinkage ratio is less than 117%.
Frostproofer of the present invention can be applicable in industry, covil construction, component, highway, Bridge Concrete.
Embodiment
Further illustrate below in conjunction with embodiment.
Embodiment 1
A kind of concrete antifreezer, is made up of the raw material of following weight part ratio: polyacrylamide 1 part, sodium alkyl benzene sulfonate 0.5 part, ethylene glycol 4 parts, Xylo-Mucine 1 part.
Volume is total rubber 3%.
Embodiment 2
A kind of concrete antifreezer, is made up of the raw material of following weight part ratio: polyacrylamide 2 parts, sodium alkyl benzene sulfonate 1 part, ethylene glycol 2 parts, Xylo-Mucine 0.5 part.
Volume is total rubber 3%.
Embodiment 3
A kind of concrete antifreezer, is made up of the raw material of following weight part ratio: polyacrylamide 1 part, sodium alkyl benzene sulfonate 0.5 part, ethylene glycol 2 parts, Xylo-Mucine 0.5 part.
Volume is total rubber 3%.
Claims (1)
1. a concrete antifreezer, is characterized in that, it is made up of the raw material of following weight part ratio: polyacrylamide 1 part, sodium alkyl benzene sulfonate 0.5 part, ethylene glycol 2 parts, Xylo-Mucine 0.5 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022575.3A CN103755214B (en) | 2014-01-17 | 2014-01-17 | Concrete antifreezer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410022575.3A CN103755214B (en) | 2014-01-17 | 2014-01-17 | Concrete antifreezer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103755214A CN103755214A (en) | 2014-04-30 |
| CN103755214B true CN103755214B (en) | 2015-07-15 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410022575.3A Active CN103755214B (en) | 2014-01-17 | 2014-01-17 | Concrete antifreezer |
Country Status (1)
| Country | Link |
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| CN (1) | CN103755214B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105110694A (en) * | 2015-08-10 | 2015-12-02 | 深圳市科源建设集团有限公司 | Concrete anti-freezing agent |
| CN105152577A (en) * | 2015-09-24 | 2015-12-16 | 滁州京安工贸有限责任公司 | Chloride-free ammonia-free environment-friendly type concrete antifreezing agent |
| CN105731867B (en) * | 2016-02-03 | 2018-06-26 | 山东中粉建材科技有限公司 | A kind of concrete antifreezer and preparation method thereof |
| CN106220028B (en) * | 2016-07-29 | 2018-09-28 | 四川大学 | A kind of concrete antifreezer and frost-resistant concrete |
| CN108129060A (en) * | 2017-12-28 | 2018-06-08 | 安徽金丰新型建材有限公司 | A kind of frost-resistant concrete |
| CN108129061A (en) * | 2017-12-28 | 2018-06-08 | 安徽金丰新型建材有限公司 | A kind of concrete antifreeze additive |
| CN108706903A (en) * | 2018-05-15 | 2018-10-26 | 王敏 | A kind of concrete antifreezer |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497507A (en) * | 2009-03-20 | 2009-08-05 | 武汉市联合石油化工有限责任公司 | High-early strength antifreezing polycarboxylate high performance water reducing agent and preparation |
| CN102153313A (en) * | 2011-04-21 | 2011-08-17 | 江苏锋泰建材科技有限公司 | Concrete complex additive |
| CN102320770A (en) * | 2011-09-13 | 2012-01-18 | 武汉理工大学 | Efficient liquid antifreezing agent for concrete, and preparation method thereof |
| CN102515614A (en) * | 2011-12-29 | 2012-06-27 | 洛阳理工学院 | High-performance cement concrete polycarboxylic liquid antifreezer |
| CN102603225A (en) * | 2012-03-14 | 2012-07-25 | 内蒙古科技大学 | Concrete pumping antifreezing agent with adjustable performances |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63319235A (en) * | 1987-06-19 | 1988-12-27 | Masanori Araki | Admixture for mortar or concrete |
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2014
- 2014-01-17 CN CN201410022575.3A patent/CN103755214B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101497507A (en) * | 2009-03-20 | 2009-08-05 | 武汉市联合石油化工有限责任公司 | High-early strength antifreezing polycarboxylate high performance water reducing agent and preparation |
| CN102153313A (en) * | 2011-04-21 | 2011-08-17 | 江苏锋泰建材科技有限公司 | Concrete complex additive |
| CN102320770A (en) * | 2011-09-13 | 2012-01-18 | 武汉理工大学 | Efficient liquid antifreezing agent for concrete, and preparation method thereof |
| CN102515614A (en) * | 2011-12-29 | 2012-06-27 | 洛阳理工学院 | High-performance cement concrete polycarboxylic liquid antifreezer |
| CN102603225A (en) * | 2012-03-14 | 2012-07-25 | 内蒙古科技大学 | Concrete pumping antifreezing agent with adjustable performances |
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| Publication number | Publication date |
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| CN103755214A (en) | 2014-04-30 |
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