CN109912250A - It is a kind of efficiently to reduce water-proofing anticracking agent and preparation method thereof - Google Patents
It is a kind of efficiently to reduce water-proofing anticracking agent and preparation method thereof Download PDFInfo
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- CN109912250A CN109912250A CN201910317423.9A CN201910317423A CN109912250A CN 109912250 A CN109912250 A CN 109912250A CN 201910317423 A CN201910317423 A CN 201910317423A CN 109912250 A CN109912250 A CN 109912250A
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Abstract
The invention discloses a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: 50-60 parts of calcium sulphoaluminate clinker, 30-40 parts of elastic pure acrylic acid emulsion, 8-10 parts of silicon ash, 15-20 parts of polyvinyl alcohol, 13-17 parts of anti-crack fiber, 8-10 parts of polyester fiber, 13-17 parts of sodium metasilicate, 7-9 parts of calcium hydroxide, 7-9 parts of alchlor, 5-7 parts of latex, 5-7 parts of shrinking agent, 5-7 parts of swelling agent.The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent.The antimitotic agent enables to the present invention under the premise of with good cracking resistance, additionally it is possible to waterproof, so as to guarantee the service life and quality of the wall using the antimitotic agent.
Description
Technical field
The present invention relates to antimitotic agent preparation technical fields, more particularly to a kind of efficiently decrement water-proofing anticracking agent and its preparation side
Method.
Background technique
Concrete is one of the present age most important civil engineering material, has abundant raw material, cheap, production technology letter
Single feature, while the concrete after hardening has the features such as compression strength is high, and durability is good, and strength grade range is wide.But
Since concrete belongs to hydraulic material, is prepared, in hardening and use process at it, be often formed in the interior thereof gap and mistake
Water drying shrinkage, and concrete is made the defects of impervious poor waterproof properties, desciccation crack is more occur.For the defect for solving above-mentioned concrete,
A certain amount of functional additive, such as swelling agent, antimitotic agent, the expansion group in this kind of additive are usually added into concrete
Divide the contraction that can compensate for concrete, to achieve the purpose that prevent concrete shrinkage from cracking.Antimitotic agent is many kinds of at present, but
Mostly some auxiliary agents are added again using lime, flyash, silicon ash class material to form, can a degree of raising intensity, but because
Its water imbibition is stronger, unfavorable to cracking resistance, and water-reducing agent must be added to offset silicon ash water suction effect water by also resulting in the antimitotic agent
The influence of amount increases the cost of antimitotic agent.For this purpose, we have proposed a kind of efficiently decrement water-proofing anticracking agent and its preparation sides
Method.
Summary of the invention
The invention proposes a kind of efficiently decrement water-proofing anticracking agents and preparation method thereof, to solve to mention in above-mentioned background technique
Out the problem of.
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Material 50-60 parts, 30-40 parts of elastic pure acrylic acid emulsion, 8-10 parts of silicon ash, 15-20 parts of polyvinyl alcohol, 13-17 parts of anti-crack fiber,
8-10 parts of polyester fiber, 13-17 parts of sodium metasilicate, 7-9 parts of calcium hydroxide, 7-9 parts of alchlor, 5-7 parts of latex, shrinking agent 5-7
Part, 5-7 parts of swelling agent.
Preferably, calcium sulphoaluminate clinker, elastic pure acrylic acid emulsion, silicon ash mass ratio be 53-58:33-38:8.5-
9.5。
Preferably, polyvinyl alcohol, anti-crack fiber, polyester fiber mass ratio be 16-18:14-16:8.5-9.5.
Preferably, sodium metasilicate, calcium hydroxide, alchlor mass ratio be 14-16:7.5-8.5:7.5-8.5.
Preferably, latex, shrinking agent, swelling agent mass ratio be 5.5-6.5:5.5-6.5:5.5-6.5.
Preferably, the formula of raw material by weight is as follows:
53-58 parts of calcium sulphoaluminate clinker, 33-38 parts of elastic pure acrylic acid emulsion, 8.5-9.5 parts of silicon ash, polyvinyl alcohol 16-
18 parts, 14-16 parts of anti-crack fiber, 8.5-9.5 parts of polyester fiber, 14-16 parts of sodium metasilicate, 7.5-8.5 parts of calcium hydroxide, tri-chlorination
7.5-8.5 parts of aluminium, 5.5-6.5 parts of latex, 5.5-6.5 parts of shrinking agent, 5.5-6.5 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and in 50-70 degrees Celsius of condition
Lower stirring, and mixing time is 12-20min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, is then stirring
Insulation reaction is carried out under conditions of mixing, and soaking time is 20-30min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
Preferably, when being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm,
Undesirable particulate matter is then re-started into ball milling filtering.
Compared with prior art, the beneficial effects of the present invention are:
1, by adding anti-crack fiber and polyester fiber in antimitotic agent, it can be improved the concrete using the antimitotic agent
Tensile strength and toughness, and the anti-crack ability for enhancing concrete itself.
2, by adding sodium metasilicate, calcium hydroxide and alchlor in the antimitotic agent, can using calcium hydroxide with
And alchlor reaction generates insoluble hydroxide precipitating, thus to block the gap of concrete, additionally it is possible to utilize silicic acid
Sodium and calcium hydroxide reaction generate insoluble calcium silicates, to improve the density of the antimitotic agent.
3, the antimitotic agent passes through addition and the rational proportion of main material and auxiliary material, and the present invention is enabled to have
Under the premise of good cracking resistance, additionally it is possible to waterproof, so as to guarantee using the wall of the antimitotic agent service life and
Quality meets the needs developed now.
Specific embodiment
It is next combined with specific embodiments below that the present invention will be further described.
Embodiment 1
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Expect 50 parts, 30 parts of elastic pure acrylic acid emulsion, 8 parts of silicon ash, 15 parts of polyvinyl alcohol, 13 parts of anti-crack fiber, 8 parts of polyester fiber, silicon
13 parts of sour sodium, 7 parts of calcium hydroxide, 7 parts of alchlor, 5 parts of latex, 5 parts of shrinking agent, 5 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and under conditions of 50 degrees Celsius
Stirring, and mixing time is 12min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, then in the item of stirring
Insulation reaction is carried out under part, and soaking time is 20min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
When being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, will not be inconsistent
It closes desired particulate matter and re-starts ball milling filtering.
Embodiment 2
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Expect 53 parts, 33 parts of elastic pure acrylic acid emulsion, 8.5 parts of silicon ash, 16 parts of polyvinyl alcohol, 14 parts of anti-crack fiber, polyester fiber 8.5
Part, 14 parts of sodium metasilicate, 7.5 parts of calcium hydroxide, 7.5 parts of alchlor, 5.5 parts of latex, 5.5 parts of shrinking agent, 5.5 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and under conditions of 55 degrees Celsius
Stirring, and mixing time is 14min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, then in the item of stirring
Insulation reaction is carried out under part, and soaking time is 23min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
When being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, will not be inconsistent
It closes desired particulate matter and re-starts ball milling filtering.
Embodiment 3
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Expect 55 parts, 35 parts of elastic pure acrylic acid emulsion, 9 parts of silicon ash, 17 parts of polyvinyl alcohol, 15 parts of anti-crack fiber, 9 parts of polyester fiber, silicon
15 parts of sour sodium, 8 parts of calcium hydroxide, 8 parts of alchlor, 6 parts of latex, 6 parts of shrinking agent, 6 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and under conditions of 60 degrees Celsius
Stirring, and mixing time is 16min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, then in the item of stirring
Insulation reaction is carried out under part, and soaking time is 25min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
When being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, will not be inconsistent
It closes desired particulate matter and re-starts ball milling filtering.
Embodiment 4
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Expect 58 parts, 38 parts of elastic pure acrylic acid emulsion, 9.5 parts of silicon ash, 18 parts of polyvinyl alcohol, 16 parts of anti-crack fiber, polyester fiber 9.5
Part, 16 parts of sodium metasilicate, 8.5 parts of calcium hydroxide, 8.5 parts of alchlor, 6.5 parts of latex, 6.5 parts of shrinking agent, 6.5 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and under conditions of 65 degrees Celsius
Stirring, and mixing time is 18min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, then in the item of stirring
Insulation reaction is carried out under part, and soaking time is 28min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
When being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, will not be inconsistent
It closes desired particulate matter and re-starts ball milling filtering.
Embodiment 5
The invention proposes a kind of efficiently decrement water-proofing anticracking agent, the formula of raw material by weight are as follows: calcium sulphoaluminate is ripe
Material 60 parts, 40 parts of elastic pure acrylic acid emulsion, 10 parts of silicon ash, 20 parts of polyvinyl alcohol, 17 parts of anti-crack fiber, 10 parts of polyester fiber,
17 parts of sodium metasilicate, 9 parts of calcium hydroxide, 9 parts of alchlor, 7 parts of latex, 7 parts of shrinking agent, 7 parts of swelling agent.
The present invention also provides a kind of preparation methods of efficiently decrement water-proofing anticracking agent, include the following steps:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, hydrogen-oxygen are chosen in proportion
Change calcium and alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is done
Dry, sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and under conditions of 70 degrees Celsius
Stirring, and mixing time is 20min, adds shrinking agent and swelling agent, boosts to 0.8-1.0MPa, then in the item of stirring
Insulation reaction is carried out under part, and soaking time is 30min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, formed
Mixture is dried in mixture, and after its drying, ball milling is filtered again, reduces water-proofing anticracking after the completion to get to efficient
Agent.
When being filtered, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, will not be inconsistent
It closes desired particulate matter and re-starts ball milling filtering.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of efficiently decrement water-proofing anticracking agent, which is characterized in that the formula of its raw material by weight is as follows: calcium sulphoaluminate clinker
50-60 parts, it is 30-40 parts of elastic pure acrylic acid emulsion, 8-10 parts of silicon ash, 15-20 parts of polyvinyl alcohol, 13-17 parts of anti-crack fiber, poly-
8-10 parts of ester fiber, 13-17 parts of sodium metasilicate, 7-9 parts of calcium hydroxide, 7-9 parts of alchlor, 5-7 parts of latex, 5-7 parts of shrinking agent,
5-7 parts of swelling agent.
2. efficient decrement water-proofing anticracking agent according to claim 1, which is characterized in that calcium sulphoaluminate clinker, pure acrylic acid
Elastic emulsion, silicon ash mass ratio be 53-58:33-38:8.5-9.5.
3. efficient decrement water-proofing anticracking agent according to claim 1, which is characterized in that polyvinyl alcohol, anti-crack fiber, polyester
The mass ratio of fiber is 16-18:14-16:8.5-9.5.
4. efficient decrement water-proofing anticracking agent according to claim 1, which is characterized in that sodium metasilicate, calcium hydroxide, tri-chlorination
The mass ratio of aluminium is 14-16:7.5-8.5:7.5-8.5.
5. efficient decrement water-proofing anticracking agent according to claim 1, which is characterized in that the matter of latex, shrinking agent, swelling agent
Amount is than being 5.5-6.5:5.5-6.5:5.5-6.5.
6. the efficient decrement water-proofing anticracking agent according to claim 2-5, which is characterized in that the formula of its raw material by weight is such as
Under:
53-58 parts of calcium sulphoaluminate clinker, 33-38 parts of elastic pure acrylic acid emulsion, 8.5-9.5 parts of silicon ash, polyvinyl alcohol 16-18
Part, 14-16 parts of anti-crack fiber, 8.5-9.5 parts of polyester fiber, 14-16 parts of sodium metasilicate, 7.5-8.5 parts of calcium hydroxide, alchlor
7.5-8.5 parts, 5.5-6.5 parts of latex, 5.5-6.5 parts of shrinking agent, 5.5-6.5 parts of swelling agent.
7. a kind of preparation method of efficient decrement water-proofing anticracking agent according to claim 1, which is characterized in that including as follows
Step:
S1, calcium sulphoaluminate clinker, silicon ash, polyvinyl alcohol, anti-crack fiber, polyester fiber, sodium metasilicate, calcium hydroxide are chosen in proportion
And alchlor, and it is successively slowly placed on to ball milling in ball mill, and collect ball milling object, ball milling object is dried,
Sieving particle is collected in filtering；
S2, then elastic pure acrylic acid emulsion and ball milling object are put into reactor, and are stirred under conditions of 50-70 degrees Celsius
It mixes, and mixing time is 12-20min, adds shrinking agent and swelling agent, 0.8-1.0MPa is boosted to, then in stirring
Under the conditions of carry out insulation reaction, and soaking time is 20-30min；
S3, it is cooled to room temperature after reaction above-mentioned, and emulsion uniform is mixed evenly as wherein, form mixing
Mixture is dried in object, and after its drying, ball milling is filtered again, reduces water-proofing anticracking agent after the completion to get to efficient.
8. the preparation method of efficient decrement water-proofing anticracking agent according to claim 7, which is characterized in that be filtered
When, it need to guarantee that the particle diameter of mixture is less than 5mm, if particle diameter is greater than 5mm, again by undesirable particulate matter
Carry out ball milling filtering.
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Cited By (1)
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Application publication date: 20190621 |