CN104072009B - A kind of concrete reducing and anti-cracking diminishing waterproof compacting agent and production method thereof - Google Patents
A kind of concrete reducing and anti-cracking diminishing waterproof compacting agent and production method thereof Download PDFInfo
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- CN104072009B CN104072009B CN201410237890.8A CN201410237890A CN104072009B CN 104072009 B CN104072009 B CN 104072009B CN 201410237890 A CN201410237890 A CN 201410237890A CN 104072009 B CN104072009 B CN 104072009B
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Abstract
The invention discloses a kind of concrete reducing and anti-cracking diminishing waterproof compacting agent and production method thereof, it comprises the raw material of following parts by weight, wherein, and high-performance polycarboxylic acids water reducing agent 52-55 part of solid content 40%; Iron trichloride 15-20 part; Sunmorl N 60S 5-10 part; Sucrose 2-7 part; Water 10-15 part.The present invention can significantly improve that impermeability, reducing property, splitting resistance, water-reducing rate are large, water-repellancy, closely knit effect, effective prevention water molecules infiltration, significantly improve intensity, impervious rank reaches 12 grades, can make to bond between concrete particle more closely and form parcel and reach impervious while can reduce contraction more than 30%, especially in the presence of a harsh environment, can reduce contraction, for effectively controlling, cracking effect is very remarkable.
Description
Technical field
The present invention relates to a kind of be widely used in Highrise buildings vault, swimming pool, water channel, tunnel, cable trench engineering and building construction and building structure waterproof, seepage control concrete reducing and anti-cracking diminishing waterproof compacting agent.After using this product, other waterproof operation that it goes without doing.Concrete poured up at a time.
Background technology
The current waterproof product kind of China is more.There is inorganic salt water-repellent, also have organic water-resisting agent.Inorganic salt water-resisting agent is possibility Corrosion Reinforcement not only, and later stage waterproof effect is bad; Organic water-resisting agent, owing to having air-entraining effect, has detrimentally affect to concrete strength.In engineer applied, most water-resisting agent can strengthen contraction, and to shrink excessive be the one of the main reasons causing concrete cracking.See with physical condition, current product have a powdery with liquid, but be powder-like product mostly, this product volume is high, generally about 5%, have up to 8%-10%.
Open source literature reports some concrete diminishing water-resisting agents, takes passages as follows:
1, Chinese patent; title: a kind of polycarboxylate water-reducer and preparation method thereof; Application Number (patent): CN200910245171.X open (bulletin) number: CN101767952A application (patent right) people: Tianjin Feilong Concrete Additives Co., Ltd., invention (design) people: Shi Chun; Lee and Sheng summary: a kind of polycarboxylate water-reducer and preparation method thereof.The invention belongs to cement water reducing agent technical field.A kind of polycarboxylate water-reducer, its weight percent consists of: poly carboxylic acid 30-50, rust inhibitor Sodium Nitrite 15-30, air entrapment agent Sodium dodecylbenzene sulfonate 0.1-2.0, water-resisting agent sodium stearate 5-15, defoamer polyether glycol 0.1-0.5, volume stabilizer Tai-Ace S 150 15-40.Its preparation method: add poly carboxylic acid in a kettle., control temperature 45-80 DEG C, under agitation, rust inhibitor Sodium Nitrite, air entrapment agent Sodium dodecylbenzene sulfonate, water-resisting agent sodium stearate, defoamer polyether glycol, volume stabilizer Tai-Ace S 150, carries out building-up reactions, isothermal reaction 1.5-2.5 hour, obtains polycarboxylate water-reducer.Water reducer of the present invention has that water-reducing rate is high, concrete durability is high, consistency is good, adaptability is good, long service life, and technique has that flow process is simple, the reaction times is short, be convenient to the advantage such as suitability for industrialized production and safely cleaning.
2, Chinese patent; title: title: a kind of collapse protective poly-carboxylic acid water reducing agent and preparation method thereof Application Number (patent): CN201010185721.6 open (bulletin) number: CN101830663A application (patent right) people: Zhejiang Province Wulong Chemical Co., Ltd, invention (design) people: Zhu Yulian; Wang Jiafeng; Song Yongliang; Zhang Jianfeng; Yang Huifen; Li Qiuping, summary: a kind of collapse protective poly-carboxylic acid water reducing agent and preparation method thereof, is specifically related to a kind of with dimethylaminoethyl acrylate methyl ammonia ethyl ester, allyl polyglycol and maleic anhydride be raw material novel poly carboxylic acid series water reducer and synthetic method thereof.A kind of collapse protective poly-carboxylic acid water reducing agent, it for raw material, under the effect of initiator, obtains product by aqueous solution polymerization with dimethylaminoethyl acrylate methyl ammonia ethyl ester 5% ~ 60%, maleic anhydride 15% ~ 60%, allyl polyglycol 15%-70%.The invention also discloses above-mentioned collapse protective poly-carboxylic acid water reducing agent preparation method.Advantage of the present invention: 1. polymkeric substance water-reducing rate is high, slump retaining is good.2. preparation technology of the present invention is single stage method, and reaction conditions is easy to control, and reaction time is short, simple to operate, and is polymerized in aqueous, pollution-free.3. reaction conditions is gentle, low for equipment requirements.
3, Chinese patent, title: building concrete shrinkage type water reducer Application Number (patent): the CN201210526725.5 applying date: 2012.12.10 open (bulletin) number: CN102964529A application (patent right) people: Changshu Suzhou branch office of Jian Gong construction group company limited address: No. 183, Ting Lan lane, Suzhou City Industrial Park District, Jiangsu Province, summary: a kind of building concrete shrinkage type water reducer, it is a kind of polycarboxylate high-efficiency water-reducing agent, described building concrete shrinkage type water reducer first in water, adds maleic anhydride, diethylene glycol monobutyl ether, the trimethyl carbinol and catalyzer, then 120 DEG C are heated to, be incubated and be cooled to 80 DEG C after 4 hours, then initiator is added, methacrylic acid and isopentenol polyoxyethylene ether, then continue insulation and be cooled to 35 DEG C after 2 hours, use neutralizing agent neutralization solution again, be 7-8 to pH value and get final product.By the way, building concrete shrinkage type water reducer of the present invention can improve water-reducing rate and the dispersiveness of water reducer effectively, increase concrete intensity, make concrete have excellent slump retaining, mobility and splitting resistance, better with concrete consistency.
4, title: Chinese patent, composite polycarboxylic acid water reducing agent, Application Number (patent): CN201110147891.X open (bulletin) number: CN102249591A application (patent right) people: China State Construction Engineering Commercial Concrete; Commercial Concrete Co., Ltd.Of China Construction Third Engineering Bureau; China Construction. Third Engineering Bureau Corp., Ltd.) invention (design) people: Han Zhoubing; Zheng Guangjun; Xiong Xiaohui; Huang Bo; Liu Hangyu; Xiao Hongjun; Ji Xiaohui; Shen Hao; Jiang Xinfeng; Tai is big; Li Dong makes a summary: a kind of water reducer.Composite polycarboxylic acid water reducing agent, it is characterized in that: it is prepared from by high performance water reducing agent of polyocarboxy acid, retardant, functional agent, sanitas and water, mass percent shared by each component is: high performance water reducing agent of polyocarboxy acid 8-28.6%, retardant 0.5-7.36%, functional agent 0.001-0.15%, sanitas 0.01-0.65%, water are surplus, and mass percent sum shared by each component is 100%.Be applied in fresh concrete, after dismounting scribbles the template of used oil or rosined soap class, the concrete surface after sclerosis is smooth, and bubble obviously reduces, and meets construction requirement completely.The invention solves the difficult problem using interior formwork after the releasing agent such as used oil or rosined soap class more.
The raw material that above-mentioned disclosed the reinforcement of concrete shrinkage type water reducer has is complicated, and cost is higher, and what have is not fine through test effect.
Summary of the invention
In view of the deficiency that above-mentioned prior art exists, the object of this invention is to provide and a kind ofly significantly improve that impermeability, reducing property, splitting resistance, water-reducing rate are large, the concrete reducing and anti-cracking diminishing waterproof compacting agent of water-repellancy, closely knit effect, and only need add this product repeatedly need not add admixture in concrete.Product is liquid, is convenient to add, and low alkalinity, does not corrode, without inflammable and explosive property, and nontoxicity.
The object of the present invention is achieved like this:
A kind of concrete reducing and anti-cracking diminishing waterproof compacting agent, is characterized in that: it comprises the raw material of following parts by weight, wherein, and high-performance polycarboxylic acids water reducing agent 52-55 part; Iron trichloride 15-20 part; Sunmorl N 60S 5-10 part; Sucrose 2-7 part; Water 10-15 part.
Described high-performance polycarboxylic acids water reducing agent (PolycarboxylateSuperplasticizer), it is a kind of cement dispersants during cement concrete uses, the present invention adopts the high-performance polycarboxylic acids water reducing agent of two types, a kind of is methacrylic acid with main chain, side chain is hydroxy-acid group and MPEG (Methoxypolyethyleneglycol), polyester type structure; Another for main chain be polyacrylic acid, side chain is Vinylalcoholpolyethyleneglycol, polyether-type structure; The solid content of high-performance polycarboxylic acids water reducing agent is 40%.
The production method of concrete reducing and anti-cracking diminishing waterproof compacting agent of the present invention, first iron trichloride is put into water, make it to be dissolved in the water completely under whipped state, allow after its naturally cooling and add Sunmorl N 60S and sucrose, add high-performance polycarboxylic acids water reducing agent again, mix, enter in finished product packing tank, test package, obtains product.
The beneficial effect of concrete reducing and anti-cracking diminishing waterproof compacting agent of the present invention:
1, can significantly improve that impermeability, reducing property, splitting resistance, water-reducing rate are large, water-repellancy, closely knit effect.In concrete, only need add this product need not repeatedly add other admixture.Product is that liquid is convenient to interpolation and can is effectively stoped water molecules to permeate, significantly improve intensity, impervious rank reaches 12 grades, can make to bond between concrete particle more closely and form parcel and reach impervious while can reduce contraction more than 30%, especially in the presence of a harsh environment, can reduce contraction, this is very important for effectively controlling cracking; Volume can be increased and decreased as requested.
2, this product is by different labels concrete and different slump requirement, recommends volume to be the 0.21%-0.22% of gelling material, and detecting volume is 0.21% of gelling material.It is a kind of compound product, has several functions.
Embodiment:
Below in conjunction with embodiment, the present invention is made the following instructions.
Concrete reducing and anti-cracking diminishing waterproof compacting agent embodiment:
Embodiment 1:
(1) raw material and weight:
The high-performance polycarboxylic acids water reducing agent of polyether-type solid content 40% 53 kilograms; Iron trichloride 15 kilograms, Sunmorl N 60S 5 kilograms; Sucrose 3 kilograms; 15 kilograms, water.
(2) make
First iron trichloride is put into water, under agitation, make it to be dissolved in the water completely, allow after its naturally cooling and add Sunmorl N 60S and sucrose, then add high-performance polycarboxylic acids water reducing agent.Drop in container to enter by the metering of said sequence proportioning raw materials and mix to whole dissolving, enter in finished product packing tank, test package, obtains product.
Embodiment 2:
(1) raw material and weight:
The high-performance polycarboxylic acids water reducing agent of polyester type solid content 40% 52 kilograms; Iron trichloride 16 kilograms; Sunmorl N 60S 5 kilograms; Sucrose 3 kilograms; 15 kilograms, water.
(2) make
First iron trichloride is put into water, make it under agitation to be dissolved in the water completely, allow after its naturally cooling and add Sunmorl N 60S and sucrose, then add high-performance polycarboxylic acids water reducing agent.Drop in container to enter by the metering of said sequence proportioning raw materials and mix to whole dissolving, enter in finished product packing tank, test package, obtains product.
Embodiment 3:
(1) raw material and weight:
The high-performance polycarboxylic acids water reducing agent of polyether-type solid content 40% 54 kilograms; Iron trichloride 19 kilograms, Sunmorl N 60S 9 kilograms; Sucrose 5 kilograms; 15 kilograms, water.
(2) make
First iron trichloride is put into water, under agitation, make it to be dissolved in the water completely, allow after its naturally cooling and add Sunmorl N 60S and sucrose, then add high-performance polycarboxylic acids water reducing agent.Drop in container to enter by the metering of said sequence proportioning raw materials and mix to whole dissolving, enter in finished product packing tank, test package, obtains product.
Embodiment 4:
(1) raw material and weight:
The high-performance polycarboxylic acids water reducing agent of polyester type solid content 40% 55 kilograms; Iron trichloride 20 kilograms; Sunmorl N 60S 5 kilograms; Sucrose 3 kilograms; 15 kilograms, water.
(2) make
First iron trichloride is put into water, make it under agitation to be dissolved in the water completely, allow after its naturally cooling and add Sunmorl N 60S and sucrose, then add high-performance polycarboxylic acids water reducing agent.Drop in container to enter by the metering of said sequence proportioning raw materials and mix to whole dissolving, enter in finished product packing tank, test package, obtains product.
Embodiment 5:
(1) raw material and weight:
The high-performance polycarboxylic acids water reducing agent of polyester type solid content 40% 68 kilograms; Iron trichloride 18 kilograms; Sunmorl N 60S 8 kilograms; Sucrose 2 kilograms; 15 kilograms, water.
(2) make
First iron trichloride is put into water, under agitation, make it to be dissolved in the water completely, allow after its naturally cooling and add Sunmorl N 60S and sucrose, then add high-performance polycarboxylic acids water reducing agent.Drop in container to enter by the metering of said sequence proportioning raw materials and mix to whole dissolving, enter in finished product packing tank, test package, obtains product.
Of the present invention can according to site operation require allocate, consumption also adds according to concrete situation.
Application Example 1(waterproof):
The DH-HPWR high performance water proof agent that embodiment 1,2,3,4,5 and purchase sea, Guangxi building materials company limited are produced is tested by the present inventor, and the concrete waterproofer that acetonideexample 1,2 is produced than sea, Guangxi building materials company limited is poor; Embodiment 3 water resistance is the same with the agent of DH-HPWR high performance water proof, and the water resistance of embodiment 4,5 is better than the agent of DH-HPWR high performance water proof.
Application Example 2(diminishing):
The cement water reducing agent that embodiment 1,2,3,4,5 and purchase sea, Guangxi building materials company limited are produced is tested by the present inventor, and the cement water reducing agent that the water-reducing effect of acetonideexample 3,4,5 is produced than sea, Guangxi building materials company limited is good.
The key technical indexes of the present invention:
Illustrate, the compressive strength rate of concrete of the present invention or mortar, shrinkage ratio, infiltration all meet national standard and industry standard from technical indicators such as degree ratios.
Claims (1)
1. a production method for concrete reducing and anti-cracking diminishing waterproof compacting agent, is characterized in that: it is made up of the raw material of following parts by weight, wherein, and high-performance polycarboxylic acids water reducing agent 52-55 part; Iron trichloride 15-20 part; Sunmorl N 60S 5-10 part; Sucrose 2-7 part; Water 10-15 part;
Described high-performance polycarboxylic acids water reducing agent is polyester type structure; Or polyether-type structure; Solid content is 40%;
Production stage is as follows: first iron trichloride is put into water, makes it to be dissolved in the water completely under whipped state, allows after its naturally cooling and adds Sunmorl N 60S and sucrose, add high-performance polycarboxylic acids water reducing agent again, mix, enter in finished product packing tank, test package, obtains product.
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| CN201410237890.8A CN104072009B (en) | 2014-06-02 | 2014-06-02 | A kind of concrete reducing and anti-cracking diminishing waterproof compacting agent and production method thereof |
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| CN201410237890.8A CN104072009B (en) | 2014-06-02 | 2014-06-02 | A kind of concrete reducing and anti-cracking diminishing waterproof compacting agent and production method thereof |
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| CN104072009B true CN104072009B (en) | 2016-04-27 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105314919A (en) * | 2015-11-26 | 2016-02-10 | 广州浪淘砂建材有限公司 | Water reducing agent used for conducting wet mixing on cement mortar |
| 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 |
| CN106186799B (en) * | 2016-06-28 | 2018-05-18 | 安徽瑞和新材料有限公司 | Dedicated mortar compacting agent suitable for improving PCCP protective layer mortar durabilities and preparation method thereof |
| CN109912250A (en) * | 2019-04-19 | 2019-06-21 | 湖北恒利建材科技有限公司 | It is a kind of efficiently to reduce water-proofing anticracking agent and preparation method thereof |
| CN115594436B (en) * | 2022-02-23 | 2023-11-03 | 贵州天威建材科技有限责任公司 | Chlorine-free concrete air-tight agent and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101045620A (en) * | 2007-03-26 | 2007-10-03 | 李建红 | Multifunction anti-crack water-proof agent for concrete and preparation method |
| CN101781100A (en) * | 2009-01-20 | 2010-07-21 | 同济大学 | Anti-erosion agent for concrete, preparation method and application thereof |
| CN102531458A (en) * | 2010-12-09 | 2012-07-04 | 苏笮斌 | Anti-crack and anti-corrosion plasticizer composition and preparation method thereof |
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2014
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101045620A (en) * | 2007-03-26 | 2007-10-03 | 李建红 | Multifunction anti-crack water-proof agent for concrete and preparation method |
| CN101781100A (en) * | 2009-01-20 | 2010-07-21 | 同济大学 | Anti-erosion agent for concrete, preparation method and application thereof |
| CN102531458A (en) * | 2010-12-09 | 2012-07-04 | 苏笮斌 | Anti-crack and anti-corrosion plasticizer composition and preparation method thereof |
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Effective date of registration: 20190904 Address after: 530300, the Guangxi Zhuang Autonomous Region, Nanning, Hengxian Yang town to house Tuen Patentee after: Mo Mingxin Address before: 537100 No. 3 Shop, Unit 1287, 11 Hecheng Road Water Supply Zone, Guigang City, Guangxi Zhuang Autonomous Region Patentee before: GUANGXI GUIGANG JINTONG NEW BUILDING MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. |
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