CN105174878A - Self-crosslinking two-component waterproof slurry and preparation method thereof - Google Patents
Self-crosslinking two-component waterproof slurry and preparation method thereof Download PDFInfo
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- CN105174878A CN105174878A CN201510591713.4A CN201510591713A CN105174878A CN 105174878 A CN105174878 A CN 105174878A CN 201510591713 A CN201510591713 A CN 201510591713A CN 105174878 A CN105174878 A CN 105174878A
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Abstract
The invention provides self-crosslinking two-component waterproof slurry. The self-crosslinking two-component waterproof slurry comprises a liquid material and a solid material. By virtue of a crosslinking agent and a waterproof aid, the crosslinking combination of an inorganic component and an organic component is realized, so that the bonding capacity and the waterproofing capacity of the material are effectively improved, and the problems of poor bonding force, easiness in cracking and poor waterproof effect of polymer cement waterproof slurry are effectively solved.
Description
Technical field
The present invention relates to a kind of material of construction, specifically, is a kind of by two component polymer cement waterproof slurry being cross-linked combination and preparation method thereof.
Background technology
A kind of waterproof paint that polymer cement waterproof slurry progressively developed in building water-proof paint field in the last few years, the two component aqueous emulsion building water-proof paint of the one being main raw material with organic polymer compositions and inorganic component, require that there is certain rigidity and toughness, polymer cement waterproof slurry is made both to have had the good waterproof performance of polymeric coating, the advantages such as extensibility is strong, have again hydraulic material easily and wet base bond and the higher feature of intensity, rational proportion is passed through by polymer emulsion and various mineral filler and additive, the two component buildings waterproof slurry of compounded one.Come adjusting strength and snappiness by the ratio of telomerized polymer emulsion and mineral filler, carry out the requirement at satisfied different engineering position, in current buildings waterproof field, there is more general application.
Wherein, polymer cement waterproof slurry, by powder and polymer emulsion hybrid reaction, forms the tough and tensile waterproof membrane of one deck at basal plane, is resisted the microfracture that the different reason of buildings produces, and adapts to the slight vibrations of building structure and is not more than the displacement of 2mm.Can not contraction be produced after the waterproof membrane formed is solid, effectively be stoped the infiltration of base material silicate, realize the effect of waterproof.Because this slurry has organic polymer and the two component composition of cement, had concurrently rigidity and flexibility, be there is extensibility and water-repellancy relatively preferably.
But current polymer cement waterproof slurry is comparatively vulnerable to the impact of external environment, makes the film of waterproofing slurry and matrix come off, seeps water, water-proof material generation cracking phenomena and cause its water resistance to lose efficacy even.Thus, how to overcome the problem that cohesive force is poor, material is easy to crack and waterproof effect is poor that existing polymer cement waterproof slurry exists, the polymer cement waterproof slurry researching and developing a kind of use properties more excellent is significant.
Summary of the invention
Main purpose of the present invention is to provide a kind of self-crosslinking bi-component water-proof slurry and preparation method thereof, its deficiency existed for prior art is improved, by linking agent and waterproof agent, realize the crosslinked combination of inorganic component and organic constituent, thus effectively increase viscosifying power and the waterproof ability of material.
For reaching above object, the technical solution used in the present invention is: a kind of self-crosslinking bi-component water-proof slurry is made up of liquid material and solid material, and wherein, each raw material of described liquid material according to weight percent is:
Polyacrylate dispersion 70 ~ 75%,
Vinylidene chloride-propionate emulsion 8 ~ 12%,
Linking 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, linking agent is poly-diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl etradecyldimethylamine TMOS;
Each raw material of described solid material according to weight percent is:
Cement 45 ~ 55%,
High-calcium fly ass 15 ~ 25%,
Talcum powder 10 ~ 15%,
Gypsum 10 ~ 15%,
Polymer glue powder 3.5 ~ 4.0%,
Dispersion agent 1.0 ~ 1.5%, wherein, dispersion agent is methacrylic acid calcium.
Preferably, the mass ratio of liquid material and solid material is 2: 3.
Preferably, defoamer is two (trifluoromethyl) phenyl silicone oil of 3,5-.
Preferably, water reducer is tri-isopropanolamine.
Preferably, the polymer glue powder in solid material is ethylene-stryene-vinyl laurate polymer glue powder.
Preferably, the cement in solid material is 42.5 silicate cements and 42.5R Portland blast furnace slag cement mixture, and wherein, the mass ratio of 42.5 silicate cements and 42.5R Portland blast furnace slag cement is 1: 1.
A preparation method for self-crosslinking bi-component water-proof slurry, it comprises step:
Prepare liquid material, water is placed in reactor, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir 10 minutes, add the linking agent of respective quality part, defoamer and water reducer, stir 30 minutes, add waterproof agent, the liquid material of the obtained component A that stirs;
Preparation solid material, adds airtight high-speed mixer premix evenly by the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder, add the solid material that dispersion agent high-speed stirring evenly obtains B component;
By liquid material and solid material according to mass ratio 2: 3 with the use of, obtained self-crosslinking bi-component water-proof slurry.
Compared with prior art, beneficial effect of the present invention is: 1, described self-crosslinking bi-component water-proof slurry, be the linking agent of slurry by poly-diallyl alkyl dimethyl ammonium chloride, the two-pack generation self-crosslinking of inoganic solids material and organic liquid material in slurry can be made, considerably increase the cohesive strength of slurry and matrix; 2, by adding dispersion agent methacrylic acid calcium, making the water effect polymerization reaction take place in the inorganicss such as the cement in solid material and liquid material, forming elastomeric polymer gel, thus effectively increase the impervious waterproof ability of slurry.
Embodiment
Below describe and realize the present invention for disclosing the present invention to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.
A kind of self-crosslinking bi-component water-proof slurry of the present invention is made up of the liquid material of component A and the solid material of B component, and wherein, each raw material of described liquid material according to weight percent is:
Polyacrylate dispersion 70 ~ 75%,
Vinylidene chloride-propionate emulsion 8 ~ 12%,
Linking 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, linking agent is poly-diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl etradecyldimethylamine TMOS;
Each raw material of described solid material according to weight percent is:
Cement 45 ~ 55%,
High-calcium fly ass 15 ~ 25%,
Talcum powder 10 ~ 15%,
Gypsum 10 ~ 15%,
Polymer glue powder 3.5 ~ 4.0%,
Dispersion agent 1.0 ~ 1.5%, wherein, dispersion agent is methacrylic acid calcium.
Wherein, by selecting poly-diallyl alkyl dimethyl ammonium chloride to be the linking agent of slurry, the two-pack generation self-crosslinking of inoganic solids material and organic liquid material in slurry can be made, considerably increase the cohesive strength of slurry and matrix.
Wherein, by adding dispersion agent methacrylic acid calcium, making the water effect polymerization reaction take place in the inorganicss such as the cement in solid material and liquid material, forming elastomeric polymer gel, thus effectively increase 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 two (trifluoromethyl) phenyl silicone oil of 3,5-.
Preferably, water reducer is tri-isopropanolamine.
Preferably, the polymer glue powder in solid material is ethylene-stryene-vinyl laurate polymer glue powder.
Preferably, the cement in solid material is 42.5 silicate cements and 42.5R Portland blast furnace slag cement mixture, and wherein, the mass ratio of 42.5 silicate cements and 42.5R Portland blast furnace slag cement is 1: 1.
A preparation method for self-crosslinking bi-component water-proof slurry, it comprises step:
Prepare liquid material, water is placed in reactor, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir 10 minutes, add the linking agent of respective quality part, defoamer and water reducer, stir 30 minutes, add waterproof agent, the liquid material of the obtained component A that stirs;
Preparation solid material, adds airtight high-speed mixer premix evenly by the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder, add the solid material that dispersion agent high-speed stirring evenly obtains B component;
By liquid material and solid material according to mass ratio 2: 3 with the use of, obtained self-crosslinking bi-component water-proof slurry.
Embodiment 1
A kind of self-crosslinking bi-component water-proof slurry of the present embodiment comprises component A liquid material and B component solid material, by percentage to the quality, described component A system comprises 70% polyacrylate dispersion, 12% vinylidene chloride-propionate emulsion, 2.0% linking agent, 0.8% defoamer, 1.2% waterproof agent, 1.0% water reducer, 13% water; Described B component system comprises 45% cement, 25% high-calcium fly ass, 10% talcum powder, 15% gypsum, 3.5% polymer glue powder, 1.5% dispersion agent.
The preparation method of described self-crosslinking bi-component water-proof slurry comprises:
(1) first component A system is prepared: take certain water in reactor by above-mentioned mass ratio, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir and add linking agent, defoamer and water reducer again after 10 minutes, then stir after 30 minutes and add waterproof agent again, finally stir obtained component A; (2) prepare B component system: take cement, flyash, talcum powder according to above-mentioned mass ratio, that gypsum, polymer glue powder add airtight high-speed mixer premix is even, it is even to add dispersion agent high-speed stirring after completing, and obtains B component; (3) finally by component A and B component according to mass ratio 2: 3 with the use of, 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 comprises component A liquid material and B component solid material, by percentage to the quality, described component A system comprises 72% polyacrylate dispersion, 10% vinylidene chloride-propionate emulsion, 2.5% linking agent, 1.0% defoamer, 1.3% waterproof agent, 1.2% water reducer, 12% water; Described B component system comprises 48% cement, 22% high-calcium fly ass, 12% talcum powder, 13% gypsum, 3.6% polymer glue powder, 1.4% dispersion agent.
The preparation method of described self-crosslinking bi-component water-proof slurry comprises:
(1) first component A system is prepared: take certain water in reactor by above-mentioned mass ratio, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir and add linking agent, defoamer and water reducer again after 10 minutes, then stir after 30 minutes and add waterproof agent again, finally stir obtained component A; (2) prepare B component system: take cement, flyash, talcum powder according to above-mentioned mass ratio, that gypsum, polymer glue powder add airtight high-speed mixer premix is even, it is even to add dispersion agent high-speed stirring after completing, and obtains B component; (3) finally by component A and B component according to mass ratio 2: 3 with the use of, 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 comprises component A liquid material and B component solid material, by percentage to the quality, described component A system comprises 73% polyacrylate dispersion, 9% vinylidene chloride-propionate emulsion, 2.0% linking agent, 0.9% defoamer, 1.1% waterproof agent, 1.0% water reducer, 13% water; Described B component system comprises 52% cement, 18% high-calcium fly ass, 14% talcum powder, 11% gypsum, 3.8% polymer glue powder, 1.2% dispersion agent.
The preparation method of described self-crosslinking bi-component water-proof slurry comprises:
(1) first component A system is prepared: take certain water in reactor by above-mentioned mass ratio, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir and add linking agent, defoamer and water reducer again after 10 minutes, then stir after 30 minutes and add waterproof agent again, finally stir obtained component A; (2) prepare B component system: take cement, flyash, talcum powder according to above-mentioned mass ratio, that gypsum, polymer glue powder add airtight high-speed mixer premix is even, it is even to add dispersion agent high-speed stirring after completing, and obtains B component; (3) finally by component A and B component according to mass ratio 2: 3 with the use of, 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 comprises component A liquid material and B component solid material, by percentage to the quality, described component A system comprises 74% polyacrylate dispersion, 8% vinylidene chloride-propionate emulsion, 2.5% linking agent, 1.0% defoamer, 1.3% waterproof agent, 1.2% water reducer, 12% water; Described B component system comprises 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 described self-crosslinking bi-component water-proof slurry comprises:
(1) first component A system is prepared: take certain water in reactor by above-mentioned mass ratio, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir and add linking agent, defoamer and water reducer again after 10 minutes, then stir after 30 minutes and add waterproof agent again, finally stir obtained component A; (2) prepare B component system: take cement, flyash, talcum powder according to above-mentioned mass ratio, that gypsum, polymer glue powder add airtight high-speed mixer premix is even, it is even to add dispersion agent high-speed stirring after completing, and obtains B component; (3) finally by component A and B component according to mass ratio 2: 3 with the use of, obtain a kind of self-cross linking type two-component polymer cement water-proof slurry.
The leading indicator of a kind of self-crosslinking bi-component water-proof slurry of the present invention detects according to JC/T2090-2011 standard, and its test result is as shown in table 1.As seen from table, the main performance index of the polymer cement waterproof slurry of each embodiment gained all meets 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 | Cohesive strength | MPa | 0.8 | 1.0 | 0.9 | 1.1 |
| 4 | Alkali resistance | - | Without peeling off | Without peeling off | Without peeling off | Without peeling off |
| 5 | Bending property | - | Flawless | Flawless | Flawless | Flawless |
More than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; the just principle of the present invention described in above-described embodiment and specification sheets; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in claimed scope of the present invention.The protection domain of application claims is defined by appending claims and equivalent thereof.
Claims (7)
1. a self-crosslinking bi-component water-proof slurry, is characterized in that, a kind of self-crosslinking bi-component water-proof slurry is made up of liquid material and solid material, and wherein, each raw material of described liquid material according to weight percent is:
Polyacrylate dispersion 70 ~ 75%,
Vinylidene chloride-propionate emulsion 8 ~ 12%,
Linking 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, linking agent is poly-diallyl alkyl dimethyl ammonium chloride, and waterproof agent is methyl etradecyldimethylamine TMOS;
Each raw material of described solid material according to weight percent is:
Cement 45 ~ 55%,
High-calcium fly ass 15 ~ 25%,
Talcum powder 10 ~ 15%,
Gypsum 10 ~ 15%,
Polymer glue powder 3.5 ~ 4.0%,
Dispersion agent 1.0 ~ 1.5%, wherein, dispersion agent is methacrylic acid calcium.
2. self-crosslinking bi-component water-proof slurry according to claim 1, is characterized in that, the mass ratio of liquid material and solid material is 2: 3.
3. self-crosslinking bi-component water-proof slurry according to claim 2, is characterized in that, defoamer is two (trifluoromethyl) phenyl silicone oil of 3,5-.
4. self-crosslinking bi-component water-proof slurry according to claim 3, is characterized in that, water reducer is tri-isopropanolamine.
5. self-crosslinking bi-component water-proof slurry according to claim 4, is characterized in that, the polymer glue powder in solid material is ethylene-stryene-vinyl laurate polymer glue powder.
6. self-crosslinking bi-component water-proof slurry according to claim 5, it is characterized in that, cement in solid material is 42.5 silicate cements and 42.5R Portland blast furnace slag cement mixture, and wherein, the mass ratio of 42.5 silicate cements and 42.5R Portland blast furnace slag cement is 1: 1.
7., as a preparation method for the self-crosslinking bi-component water-proof slurry as described in arbitrary in claim 1 to 6, it is characterized in that, comprise step:
Prepare liquid material, water is placed in reactor, under agitation add polyacrylate dispersion and vinylidene chloride-propionate emulsion, stir 10 minutes, add the linking agent of respective quality part, defoamer and water reducer, stir 30 minutes, add waterproof agent, stir obtained liquid material;
Preparation solid material, adds airtight high-speed mixer premix evenly by the cement of respective quality part, flyash, talcum powder, gypsum and polymer glue powder, add dispersion agent high-speed stirring evenly obtained solid material; And
By liquid material and solid material according to mass ratio 2: 3 with the use of, obtained self-crosslinking bi-component water-proof slurry.
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| CN106630838A (en) * | 2016-12-22 | 2017-05-10 | 天津雨茅科技有限公司 | Waterproof paint for architectural ornament engineering |
| 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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