CN105174878B - A kind of self-crosslinking bi-component water-proof slurry and preparation method thereof - Google Patents
A kind of self-crosslinking bi-component water-proof slurry and preparation method thereof Download PDFInfo
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- CN105174878B CN105174878B CN201510591713.4A CN201510591713A CN105174878B CN 105174878 B CN105174878 B CN 105174878B CN 201510591713 A CN201510591713 A CN 201510591713A CN 105174878 B CN105174878 B CN 105174878B
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Abstract
A kind of self-crosslinking bi-component water-proof slurry that the present invention is provided, it is made up of liquid material and solid material, by crosslinking agent and waterproof agent, realize that the crosslinking of inorganic component and organic component is combined, so as to be effectively increased the cementitiousness and waterproof ability of material, effectively solve the problems, such as that the cohesive force that polymer cement waterproof slurry is present is poor, material is easy to crack and waterproof effect is poor.
Description
Technical field
It is a kind of polymer cement that combination is crosslinked by double-component specifically the present invention relates to a kind of construction material
Waterproofing slurry and preparation method thereof.
Background technology
A kind of water-repellent paint that polymer cement waterproof slurry progressively developed in building water-proof paint field in the last few years, with
Organic polymer compositions and inorganic component are a kind of double-component aqueous emulsion building water-proof paint of primary raw material, it is desirable to certain
Rigidity and toughness so that polymer cement waterproof slurry both with the advantage such as the good waterproof performance of polymer coating, extensibility be strong,
There is hydraulic material easily to be bonded with wet base again and the characteristics of intensity is higher, by polymer emulsion and various inorganic fillers and
Additive passes through rational proportion, a kind of compounded double-component buildings waterproof slurry.By adjusting polymer emulsion and inorganic
The ratio of filler comes adjusting strength and pliability to meet the requirement at different engineering positions, has in current buildings waterproof field
There is more universal application.
Wherein, polymer cement waterproof slurry forms one layer of heavily fortified point by powder and polymer emulsion hybrid reaction in basal plane
Tough waterproof membrane, is able to resist the microcrack that building difference reason is produced, and adapts to slight vibrations of building structure and less
In the displacement of 2mm.Contraction will not be produced after the waterproof membrane of formation is solid, is able to effectively prevent the infiltration of base material silicate,
Realize the effect of waterproof.Because there is this slurry organic polymer and cement double-component to constitute, it is able to have rigidity and flexibility concurrently,
With relatively good extensibility and water proofing property.
But, current polymer cement waterproof slurry is compared with the influence for being vulnerable to external environment so that the painting of waterproofing slurry
Film comes off with matrix, seeps water, and even waterproof material occurs cracking phenomena and causes its water resistance to fail.Thus, how gram
Take that the cohesive force that existing polymer cement waterproof slurry is present is poor, the problem that material is easy to crack and waterproof effect is poor, research and develop one
Plant the more excellent polymer cement waterproof slurry of performance significant.
The content of the invention
It is a primary object of the present invention to provide a kind of self-crosslinking bi-component water-proof slurry and preparation method thereof, it is directed to existing
Deficiency with the presence of technology is improved, and by crosslinking agent and waterproof agent, realizes the crosslinking knot of inorganic component and organic component
Close, so as to be effectively increased the cementitiousness and waterproof ability of material.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of self-crosslinking bi-component water-proof slurry is by liquid
Material and solid material composition, wherein, each raw material of the liquid material is according to percentage by weight：
Polyacrylate dispersion 70~75%,
Vinylidene chloride-propionate emulsion 8~12%,
Crosslinking agent 2.0~3.0%,
Defoamer 0.8~1.2%,
Waterproof agent 1.0~1.5%,
Water reducer 1.0~1.2%,
Water 12~15%, wherein, crosslinking agent is poly- diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl hexadecane
Base dimethoxysilane；
Each raw material of the solid material is according to percentage by weight：
Cement 45~55%,
High-calcium fly ass 15~25%,
Talcum powder 10~15%,
Gypsum 10~15%,
Polymer glue powder 3.5~4.0%,
Dispersant 1.0~1.5%, wherein, dispersant is methacrylic acid calcium.
Preferably, the mass ratio of liquid material and solid material is 2: 3.
Preferably, defoamer is double (trifluoromethyl) phenyl silicone oils of 3,5-.
Preferably, water reducer is triisopropanolamine.
Preferably, the polymer glue powder in solid material is ethylene-stryene-vinyl laurate polymer glue powder.
Preferably, the cement in solid material be 42.5 portland cements and 42.5R portland slag cement mixtures, its
In, the mass ratio of 42.5 portland cements and 42.5R portland slag cements is 1: 1.
A kind of preparation method of self-crosslinking bi-component water-proof slurry, it includes step：
Liquid material is prepared, water is placed in reactor, polyacrylate dispersion and vinylidene chloride-the third are added under agitation
Vinyl acetate emulsion, stirs 10 minutes, adds crosslinking agent, defoamer and the water reducer of respective quality part, stirs 30 minutes, adds
Waterproof agent, the liquid material of the prepared component A that stirs；
Solid material is prepared, the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder is added close
Close high-speed mixer premix uniformly, add dispersant high-speed stirred that the solid material of B component is uniformly obtained；
Liquid material and solid material are used cooperatively according to mass ratio 2: 3, self-crosslinking bi-component water-proof slurry is obtained.
Compared with prior art, beneficial effects of the present invention are：1st, the self-crosslinking bi-component water-proof slurry, by poly- two
Acrylic alkyl dimethyl ammonium chloride is the crosslinking agent of slurry, can occur the bi-component of inoganic solids material and organic liquid material in slurry
Self-crosslinking, considerably increases the adhesion strength of slurry and matrix；2nd, by adding dispersant methacrylic acid calcium so that Gu
There is polymerisation in the inorganic matters such as the cement in body material, form elastomeric polymer gel with the water effect in liquid material,
So as to be effectively increased the impervious waterproof ability of slurry.
Specific embodiment
Hereinafter describe for disclosing the present invention so that those skilled in the art can realize the present invention.It is excellent in below describing
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.
A kind of self-crosslinking bi-component water-proof slurry of the invention is made up of the liquid material of component A and the solid material of B component, its
In, each raw material of the liquid material is according to percentage by weight：
Polyacrylate dispersion 70~75%,
Vinylidene chloride-propionate emulsion 8~12%,
Crosslinking agent 2.0~3.0%,
Defoamer 0.8~1.2%,
Waterproof agent 1.0~1.5%,
Water reducer 1.0~1.2%,
Water 12~15%, wherein, crosslinking agent is poly- diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl hexadecane
Base dimethoxysilane；
Each raw material of the solid material is according to percentage by weight：
Cement 45~55%,
High-calcium fly ass 15~25%,
Talcum powder 10~15%,
Gypsum 10~15%,
Polymer glue powder 3.5~4.0%,
Dispersant 1.0~1.5%, wherein, dispersant is methacrylic acid calcium.
Wherein, by the crosslinking agent for selecting poly- diallyl alkyl dimethyl ammonium chloride to be slurry, inoganic solids in slurry can be made
There is self-crosslinking in the bi-component of material and organic liquid material, considerably increase the adhesion strength of slurry and matrix.
Wherein, by adding dispersant methacrylic acid calcium so that in the inorganic matter such as cement in solid material and liquid material
Water effect there is polymerisation, elastomeric polymer gel is formed, so as to be effectively increased the impervious waterproof ability of slurry.
Preferably, the mass ratio of component A liquid material and B component solid material is 2: 3.
Preferably, defoamer is double (trifluoromethyl) phenyl silicone oils of 3,5-.
Preferably, water reducer is triisopropanolamine.
Preferably, the polymer glue powder in solid material is ethylene-stryene-vinyl laurate polymer glue powder.
Preferably, the cement in solid material be 42.5 portland cements and 42.5R portland slag cement mixtures, its
In, the mass ratio of 42.5 portland cements and 42.5R portland slag cements is 1: 1.
A kind of preparation method of self-crosslinking bi-component water-proof slurry, it includes step：
Liquid material is prepared, water is placed in reactor, polyacrylate dispersion and vinylidene chloride-the third are added under agitation
Vinyl acetate emulsion, stirs 10 minutes, adds crosslinking agent, defoamer and the water reducer of respective quality part, stirs 30 minutes, adds
Waterproof agent, the liquid material of the prepared component A that stirs；
Solid material is prepared, the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder is added close
Close high-speed mixer premix uniformly, add dispersant high-speed stirred that the solid material of B component is uniformly obtained；
Liquid material and solid material are used cooperatively according to mass ratio 2: 3, self-crosslinking bi-component water-proof slurry is obtained.
Embodiment 1
A kind of self-crosslinking bi-component water-proof slurry of the present embodiment includes component A liquid material and B component solid material, with quality
Percentages, the component A system include 70% polyacrylate dispersion, 12% vinylidene chloride-propionate emulsion,
2.0% crosslinking agent, 0.8% defoamer, 1.2% waterproof agent, 1.0% water reducer, 13% water；The B component system includes
45% cement, 25% high-calcium fly ass, 10% talcum powder, 15% gypsum, 3.5% polymer glue powder, 1.5% dispersant.
The preparation method of the self-crosslinking bi-component water-proof slurry includes：
(1) component A system is prepared first：Certain water is weighed in reactor by above-mentioned mass ratio, is added under agitation
Enter polyacrylate dispersion and vinylidene chloride-propionate emulsion, stirring added after 10 minutes crosslinking agent, defoamer and
Water reducer, waterproof agent is added after then stirring 30 minutes, and finally stir prepared component A；(2) B component system is prepared：
Weighing cement, flyash, talcum powder, gypsum, polymer glue powder according to above-mentioned mass ratio adds closed high-speed mixer to premix
Uniformly, add dispersant high-speed stirred uniform after the completion of, obtain B component；(3) finally by component A and B component according to mass ratio 2:
3 use cooperatively, and obtain a kind of self-cross linking type two-component polymer cement water-proof slurry.
Embodiment 2
A kind of self-crosslinking bi-component water-proof slurry of the present embodiment includes component A liquid material and B component solid material, with quality
Percentages, the component A system include 72% polyacrylate dispersion, 10% vinylidene chloride-propionate emulsion,
2.5% crosslinking agent, 1.0% defoamer, 1.3% waterproof agent, 1.2% water reducer, 12% water；The B component system includes
48% cement, 22% high-calcium fly ass, 12% talcum powder, 13% gypsum, 3.6% polymer glue powder, 1.4% dispersant.
The preparation method of the self-crosslinking bi-component water-proof slurry includes：
(1) component A system is prepared first：Certain water is weighed in reactor by above-mentioned mass ratio, is added under agitation
Enter polyacrylate dispersion and vinylidene chloride-propionate emulsion, stirring added after 10 minutes crosslinking agent, defoamer and
Water reducer, waterproof agent is added after then stirring 30 minutes, and finally stir prepared component A；(2) B component system is prepared：
Weighing cement, flyash, talcum powder, gypsum, polymer glue powder according to above-mentioned mass ratio adds closed high-speed mixer to premix
Uniformly, add dispersant high-speed stirred uniform after the completion of, obtain B component；(3) finally by component A and B component according to mass ratio 2:
3 use cooperatively, and obtain a kind of self-cross linking type two-component polymer cement water-proof slurry.
Embodiment 3
A kind of self-crosslinking bi-component water-proof slurry of the present embodiment includes component A liquid material and B component solid material, with quality
Percentages, the component A system include 73% polyacrylate dispersion, 9% vinylidene chloride-propionate emulsion,
2.0% crosslinking agent, 0.9% defoamer, 1.1% waterproof agent, 1.0% water reducer, 13% water；The B component system includes
52% cement, 18% high-calcium fly ass, 14% talcum powder, 11% gypsum, 3.8% polymer glue powder, 1.2% dispersant.
The preparation method of the self-crosslinking bi-component water-proof slurry includes：
(1) component A system is prepared first：Certain water is weighed in reactor by above-mentioned mass ratio, is added under agitation
Enter polyacrylate dispersion and vinylidene chloride-propionate emulsion, stirring added after 10 minutes crosslinking agent, defoamer and
Water reducer, waterproof agent is added after then stirring 30 minutes, and finally stir prepared component A；(2) B component system is prepared：
Weighing cement, flyash, talcum powder, gypsum, polymer glue powder according to above-mentioned mass ratio adds closed high-speed mixer to premix
Uniformly, add dispersant high-speed stirred uniform after the completion of, obtain B component；(3) finally by component A and B component according to mass ratio 2:
3 use cooperatively, and obtain a kind of self-cross linking type two-component polymer cement water-proof slurry.
Embodiment 4
A kind of self-cross linking type two-component polymer cement water-proof slurry of the present embodiment includes component A liquid material and B component
Solid material, by percentage to the quality, the component A system includes 74% polyacrylate dispersion, 8% vinylidene chloride-propionic acid
Vinyl acetate emulsion, 2.5% crosslinking agent, 1.0% defoamer, 1.3% waterproof agent, 1.2% water reducer, 12% water；The B component
System includes 55% cement, 15% high-calcium fly ass, 15% talcum powder, 10% gypsum, 4.0% polymer glue powder, 1.0% dispersion
Agent.
The preparation method of the self-crosslinking bi-component water-proof slurry includes：
(1) component A system is prepared first：Certain water is weighed in reactor by above-mentioned mass ratio, is added under agitation
Enter polyacrylate dispersion and vinylidene chloride-propionate emulsion, stirring added after 10 minutes crosslinking agent, defoamer and
Water reducer, waterproof agent is added after then stirring 30 minutes, and finally stir prepared component A；(2) B component system is prepared：
Weighing cement, flyash, talcum powder, gypsum, polymer glue powder according to above-mentioned mass ratio adds closed high-speed mixer to premix
Uniformly, add dispersant high-speed stirred uniform after the completion of, obtain B component；(3) finally by component A and B component according to mass ratio 2:
3 use cooperatively, and obtain a kind of self-cross linking type two-component polymer cement water-proof slurry.
A kind of leading indicator of self-crosslinking bi-component water-proof slurry of the invention is examined according to JC/T2090-2011 standards
Survey, its test result is as shown in table 1.As seen from table, the main performance of the polymer cement waterproof slurry obtained by each embodiment refers to
Mark is satisfied by national standard requirement.
The main performance index of table 1, each embodiment self-crosslinking bi-component water-proof slurry
| Sequence number | Test event | Unit | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| 1 | Surface drying time | h | 3.2 | 3.4 | 3.2 | 3.5 |
| 2 | Impermeability pressure | MPa | 1.8 | 1.7 | 1.6 | 1.9 |
| 3 | Adhesion strength | MPa | 0.8 | 1.0 | 0.9 | 1.1 |
| 4 | Alkali resistance | - | Without peeling | Without peeling | Without peeling | Without peeling |
| 5 | Bending property | - | Flawless | Flawless | Flawless | Flawless |
General principle of the invention, principal character and advantages of the present invention has been shown and described above.The technology of the industry
Personnel it should be appreciated that the present invention is not limited to the above embodiments, the simply present invention described in above-described embodiment and specification
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appending claims and its
Equivalent is defined.
Claims (6)
1. a kind of self-crosslinking bi-component water-proof slurry, it is characterised in that a kind of self-crosslinking bi-component water-proof slurry by liquid material and
Solid material is constituted, and the mass ratio of liquid material and solid material is 2: 3, wherein, each raw material of the liquid material is according to percentage by weight
For：
Polyacrylate dispersion 70~75%,
Vinylidene chloride-propionate emulsion 8~12%,
Crosslinking agent 2.0~3.0%,
Defoamer 0.8~1.2%,
Waterproof agent 1.0~1.5%,
Water reducer 1.0~1.2%,
Water 12~15%, wherein, crosslinking agent is poly- diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl cetyl two
Methoxy silane；
Each raw material of the solid material is according to percentage by weight：
Cement 45~55%,
High-calcium fly ass 15~25%,
Talcum powder 10~15%,
Gypsum 10~15%,
Polymer glue powder 3.5~4.0%,
Dispersant 1.0~1.5%, wherein, dispersant is methacrylic acid calcium.
2. self-crosslinking bi-component water-proof slurry according to claim 1, it is characterised in that defoamer is the double (trifluoros of 3,5-
Methyl) phenyl silicone oil.
3. self-crosslinking bi-component water-proof slurry according to claim 2, it is characterised in that water reducer is triisopropanolamine.
4. self-crosslinking bi-component water-proof slurry according to claim 3, it is characterised in that the polymer glue powder in solid material
It is ethylene-stryene-vinyl laurate polymer glue powder.
5. self-crosslinking bi-component water-proof slurry according to claim 4, it is characterised in that the cement in solid material is 42.5
Portland cement and 42.5R portland slag cement mixtures, wherein, 42.5 portland cements and 42.5R slag silicate salt solution
The mass ratio of mud is 1: 1.
6. a kind of preparation method of self-crosslinking bi-component water-proof slurry as described in any in claim 1 to 5, its feature exists
In, including step：
Liquid material is prepared, water is placed in reactor, polyacrylate dispersion and vinylidene chloride-propionic acid second are added under agitation
Alkene ester emulsion, stirs 10 minutes, adds crosslinking agent, defoamer and the water reducer of respective quality part, stirs 30 minutes, adds waterproof
Auxiliary agent, stir prepared liquid material；
Solid material is prepared, the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder are added into closed height
Fast mixer premix is uniform, adds dispersant high-speed stirred that solid material is uniformly obtained；And
Liquid material and solid material are used cooperatively according to mass ratio 2: 3, self-crosslinking bi-component water-proof slurry is obtained.
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|---|---|---|---|---|
| CN105837112B (en) * | 2016-03-22 | 2018-06-29 | 华南理工大学 | A kind of two-component polymer cement waterproof paint |
| CN106630788A (en) * | 2016-10-11 | 2017-05-10 | 陈谓清 | Waterproof sizing agent for buildings |
| CN106630838B (en) * | 2016-12-22 | 2019-02-12 | 广东久巴新材料科技有限公司 | A kind of building decoration engineering water-repellent paint |
| CN108083719A (en) * | 2017-11-21 | 2018-05-29 | 四川铁科新型建材有限公司 | A kind of permanent seal cooling cracking resistance infiltration water proof anti-corrosive paint and preparation method thereof |
| CN111808491A (en) * | 2020-07-22 | 2020-10-23 | 垣曲县宏远特种防水材料厂 | Roadway surface protection sealing material made of acrylate composite polymer emulsion modified inorganic material |
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