CN104193241A - Single-component polymer cement based waterproof coating prepared on basis of redispersible latex powder and preparation method of waterproof coating - Google Patents

Single-component polymer cement based waterproof coating prepared on basis of redispersible latex powder and preparation method of waterproof coating Download PDF

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Publication number
CN104193241A
CN104193241A CN201410371880.3A CN201410371880A CN104193241A CN 104193241 A CN104193241 A CN 104193241A CN 201410371880 A CN201410371880 A CN 201410371880A CN 104193241 A CN104193241 A CN 104193241A
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China
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powder
latex powder
redispersable latex
thing
injected
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CN201410371880.3A
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Chinese (zh)
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孙庆军
孙庆峰
孙庆明
孙庆忠
王宗江
伊宪峰
董宏义
王金全
辛衍昆
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山东新大地实业集团有限公司
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Priority to CN201410371880.3A priority Critical patent/CN104193241A/en
Publication of CN104193241A publication Critical patent/CN104193241A/en

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Abstract

The invention discloses a single-component polymer cement based waterproof coating prepared on the basis of redispersible latex powder and a preparation method of the waterproof coating. The waterproof coating comprises the following components in parts by weight: 500-700 parts of redispersible latex powder, 2.8-3.3 parts of hydroxypropyl methyl cellulose, 280-320 parts of cement, 180-220 parts of heavy calcium carbonate powder, 180-220 parts of quartz powder and 280-320 parts of quartz sand. Solid and powdery redispersible latex powder and hydroxypropyl methyl cellulose are used, and liquid polymer latex is not used anymore, so that the precision of proportions of prepared materials is improved, the ratio of polymers to inorganic substances is strictly controlled, and the quality of the waterproof coating is ensured. The waterproof coating is convenient to use in construction, and can be used by only adding water according to a proportion in the field. The waterproof coating is convenient to transport, thereby avoiding unavailability due to leakage of liquid materials in the process of transportation. The waterproof coating is convenient to store, thereby avoiding harms of the liquid materials to bodies of people due to addition of a preserving agent in summer and avoiding huge cost due to temperature maintenance measures in winter.

Description

Prepare waterproof paint and the preparation method of single-component polyalcohol cement basis based on redispersable latex powder
One, technical field
The present invention relates to a kind of waterproof paint and preparation method, especially a kind of waterproof paint and preparation method who prepares single-component polyalcohol cement basis based on redispersable latex powder.
Two, background technology
In buildings, all to use waterproof paint to carry out WATER REPELLENT to buildings, therefore waterproof paint and preparation method are a kind of important material of construction and building materials method of manufacturing technology, in existing waterproof paint and preparation method, particularly prepare in the waterproof paint and preparation method of single-component polyalcohol cement basis based on redispersable latex powder, all to use polymer emulsion, defoamer, sanitas and dispersion agent are as organic liquid material, use cement, dicalcium powder, silica powder and quartz sand are as mineral filler, need at the construction field (site) to use filling polymer emulsion and other material to carry out field mix, increase transportation cost, can not ensure the ratio between material to constructor, thereby affect the quality of waterproof paint.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind of waterproof paint and preparation method who prepares single-component polyalcohol cement basis based on redispersable latex powder, therefore improve the precision of the material ratio of configuration, ensure the quality of waterproof paint.
For achieving the above object, the technical scheme that the present invention takes is: a kind of waterproof paint of preparing single-component polyalcohol cement basis based on redispersable latex powder, according to composition by weight, be set to include redispersable latex powder 500-700, Vltra tears 2.8-3.3, cement 280-320, dicalcium powder 180-220, silica powder 180-220 and quartz sand 280-320.
Owing to having designed redispersable latex powder and Vltra tears, redispersable latex powder and the Vltra tears of solid state are used, do not re-use liquid polymer emulsion, therefore improved the precision of the material ratio of configuration, ensured the quality of waterproof paint.
According to composition by weight, prepare a waterproof paint for single-component polyalcohol cement basis based on redispersable latex powder, be set to include redispersable latex powder 508, Vltra tears 3.2, cement 310, dicalcium powder 189, silica powder 215 and quartz sand 320.
The present invention has designed, and a kind of method of producing waterproof coating material of preparing single-component polyalcohol cement basis based on redispersable latex powder, the steps include:
A, according to composition by weight, aqueous solution 65-75, the water 18-28 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 160-200, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 55-65 DEG C, carry out the mixing of 1.8-2.2 hour, obtain organizing thing I;
B, by flow be 36-42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155-175 DEG C, air outlet temperature are 70-80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2-0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500-700, Vltra tears 2.8-3.3, cement 280-320, dicalcium powder 180-220, silica powder 180-220 and quartz sand 280-320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The present invention has designed, and a kind of method of producing waterproof coating material of preparing single-component polyalcohol cement basis based on redispersable latex powder, the steps include:
A, according to composition by weight, aqueous solution 69-72, the water 22-24 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 185-195, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 59-61 DEG C, carry out the mixing of 1.9-2.0 hour, obtain organizing thing I;
B, by flow be 38-40M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 165-169 DEG C, air outlet temperature are 75-77 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25-0.27MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 580-620, Vltra tears 2.9-3.0, cement 310-319, dicalcium powder 198-200, silica powder 198-210 and quartz sand 298-311 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The present invention has designed, a kind of redispersable latex powder is being prepared the application of the waterproof paint of single-component polyalcohol cement basis based on redispersable latex powder, use redispersable latex powder to substitute vinyl acetate between to for plastic/ethyl ester, acrylic acid polymer emulsion, uses Vltra tears to substitute dispersion agent, water-holding agent.Do not re-use defoamer and sanitas.
In the technical program, redispersable latex powder is the main additive of the dry powder such as cement based or gypsum base premixing mortar, is the polymer of vinyl acetate between to for plastic-ethyl ester, spray-dried, flocks together from 2 μ m originally, has formed the spheroidal particle of 80~100 μ m.Because these particle surfaces are by a kind of powder wrapped of inorganic anti-rigid structure, we have obtained dry polymer powder.They are very easily poured into and are packed in bag, and are stored in warehouse.Just redispersible in the time that the powder mortar that is ground with water, cement or gypsum mixes, (2 μ m), can form the state suitable with original latex to ultimate particle wherein again.It has good redispersible, is dispersed into emulsion with water while contact, and its chemical property is identical with initial latex.By add redispersable latex powder in cement based or gypsum base dry powder premixing mortar, can improve the multiple performance of mortar, as: the cohesive force, the force of cohesion that improve material: reduce the water-absorbent of material and the Young's modulus of material; Folding strength, impact-resistance, wear resistance and the weather resistance of strongthener; Improve the workability of material.Redispersible latex powder is white flowing powder, and it can be dispersed in water and form stable emulsion easily.It combines the good characteristic of emulsion and the convenience of powder systems, reliable and easy storge quality.The reason that redispersable latex powder produces is can simplified summary as follows: freeze proof; Easily packaging; Lightweight, convenient transportation economy; Without the problem of the bacterium of mildewing; The economic environmental protection of wrapping material; Easily store; Can produce high quality dry-mix product.Vltra tears, have another name called hypromellose, HPMC, to select highly pure gossypin as raw material, under alkaline condition, make through special etherificate, not containing any animal organ and grease isoreactivity composition, for non-ionic celluloses ether, outward appearance is white powder, odorless tasteless.
In the technical program, it is important technical characterictic that the redispersable latex powder of solid state substitutes liquid polymer emulsion, preparing based on redispersable latex powder in the waterproof paint of single-component polyalcohol cement basis and preparation method's technical field, there is novelty, creativeness and practicality.
Four, embodiment
Below in conjunction with embodiment, the present invention is further described, following examples are intended to illustrate the present invention instead of limitation of the invention further.A kind of waterproof paint of preparing single-component polyalcohol cement basis based on redispersable latex powder:
First embodiment: according to composition by weight, be set to include redispersable latex powder 500, Vltra tears 2.8, cement 280, dicalcium powder 180, silica powder 180 and quartz sand 280.
In the present embodiment, redispersable latex powder is set to the fine particle body being obtained by spray-dired mode by vinyl acetate between to for plastic and acrylic acid polymer emulsion.
In the present embodiment, redispersable latex powder and Vltra tears are set to form organic material, and cement, dicalcium powder, silica powder and quartz sand are set to form inorganic material.
In the present embodiment, the use that combines of Vltra tears and redispersable latex powder, use the present embodiment according to consumption for 1.8Kg m 2make the water-proof coating that thickness is 1.2mm, through overtesting, folding strength: 6Mpa, bonding strength: 2.1Mpa, once impervious 2.2Mpa, secondary impermeability 1.1Mpa, ice melt circulation 60 times, with use waterproof paint that liquid polymer emulsion is base-material according to consumption for 1.8Kg m 2make the water-proof coating that thickness is 1.2mm, test-results shows that the performance index of the water-proof coating that uses the present embodiment have improved 50-80%.
Second embodiment: according to composition by weight, be set to include redispersable latex powder 700, Vltra tears 3.3, cement 320, dicalcium powder 220, silica powder 220 and quartz sand 320.
In the present embodiment, redispersable latex powder is set to the fine particle body being obtained by spray-dired mode by vinyl acetic monomer and acrylic acid polymer emulsion.
The 3rd embodiment: according to composition by weight, be set to include redispersable latex powder 500-700, Vltra tears 3.05, cement 300, dicalcium powder 200, silica powder 200 and quartz sand 200.
In the present embodiment, redispersable latex powder is set to the fine particle body being obtained by spray-dired mode by vinyl acetate between to for plastic or acrylic acid polymer emulsion.
The 4th embodiment: according to composition by weight, be set to include redispersable latex powder 508, Vltra tears 3.2, cement 310, dicalcium powder 189, silica powder 215 and quartz sand 320.
In the present embodiment, redispersable latex powder is set to the fine particle body being obtained by spray-dired mode by vinyl acetate between to for plastic/ethyl ester or acrylic acid polymer emulsion.
A kind of method of producing waterproof coating material of preparing single-component polyalcohol cement basis based on redispersable latex powder: first embodiment: the steps include:
A, according to composition by weight, according to composition by weight, the aqueous solution 65 of the polymer emulsion 160 of vinyl acetate between to for plastic, polyvinyl alcohol, water 18 are injected to reactor, under normal pressure, make reactor temperature keep 55 DEG C, carry out the mixing of 1.8 hours, obtain organizing thing I;
B, by flow be 36M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155 DEG C, air outlet temperature are 70 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500, Vltra tears 2.8, cement 280, dicalcium powder 180, silica powder 180 and quartz sand 280 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
Second embodiment: the steps include:
A, according to composition by weight, the aqueous solution 75 of the polymer emulsion 200 of vinyl acetate between to for plastic, polyvinyl alcohol, water 28 are injected to reactor, under normal pressure, make reactor temperature keep 65 DEG C, carry out the mixing of 2.2 hours, obtain organizing thing I;
B, by flow be 42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 175 DEG C, air outlet temperature are 80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 700, Vltra tears 3.3, cement 320, dicalcium powder 220, silica powder 220 and quartz sand 320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 3rd embodiment: the steps include:
A, according to composition by weight, the aqueous solution 70 of the polymer emulsion 180 of vinyl acetate between to for plastic, polyvinyl alcohol, water 23 are injected to reactor, under normal pressure, make reactor temperature keep 60 DEG C, carry out the mixing of 2.0 hours, obtain organizing thing I;
B, by flow be 39M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 160 DEG C, air outlet temperature are 75 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 600, Vltra tears 3.0, cement 300, dicalcium powder 200, silica powder 200 and quartz sand 300 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 4th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 65 of the polymer emulsion 160 of vinyl acetic monomer, polyvinyl alcohol, water 18 are injected to reactor, under normal pressure, make reactor temperature keep 55 DEG C, carry out the mixing of 1.8 hours, obtain organizing thing I;
B, by flow be 36M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155 DEG C, air outlet temperature are 70 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500, Vltra tears 2.8, cement 280, dicalcium powder 180, silica powder 180 and quartz sand 280 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 5th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 75 of the polymer emulsion 200 of vinyl acetic monomer, polyvinyl alcohol, water 28 are injected to reactor, under normal pressure, make reactor temperature keep 65 DEG C, carry out the mixing of 2.2 hours, obtain organizing thing I;
B, by flow be 42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 175 DEG C, air outlet temperature are 80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 700, Vltra tears 3.3, cement 320, dicalcium powder 220, silica powder 220 and quartz sand 320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 6th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 70 of the polymer emulsion 180 of vinyl acetic monomer, polyvinyl alcohol, water 23 are injected to reactor, under normal pressure, make reactor temperature keep 60 DEG C, carry out the mixing of 2.0 hours, obtain organizing thing I;
B, by flow be 39M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 165 DEG C, air outlet temperature are 75 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 600, Vltra tears 3.0, cement 300, dicalcium powder 200, silica powder 200 and quartz sand 320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 7th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 65 of acrylic acid polymer emulsion 160, polyvinyl alcohol, water 18 are injected to reactor, under normal pressure, make reactor temperature keep 55 DEG C, carry out the mixing of 1.8 hours, obtain organizing thing I;
B, by flow be 36M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155 DEG C, air outlet temperature are 70 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500, Vltra tears 2.8, cement 280, dicalcium powder 180, silica powder 180 and quartz sand 280 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 8th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 75 of acrylic acid polymer emulsion 200, polyvinyl alcohol, water 28 are injected to reactor, under normal pressure, make reactor temperature keep 65 DEG C, carry out the mixing of 2.2 hours, obtain organizing thing I;
B, by flow be 42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 175 DEG C, air outlet temperature are 80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 700, Vltra tears 3.3, cement 320, dicalcium powder 220, silica powder 220 and quartz sand 320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 9th embodiment: the steps include:
A, according to composition by weight, the aqueous solution 70 of the polymer emulsion 180 of vinyl acetic monomer, polyvinyl alcohol, water 23 are injected to reactor, under normal pressure, make reactor temperature keep 60 DEG C, carry out the mixing of 2 hours, obtain organizing thing I;
B, by flow be 39M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 165 DEG C, air outlet temperature are 75 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 600, Vltra tears 3.0, cement 300, dicalcium powder 200, silica powder 200 and quartz sand 300 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The tenth embodiment: the steps include:
A, according to composition by weight, aqueous solution 65-70, the water 18-20 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 160-165, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 55-57 DEG C, carry out the mixing of 1.8 hours, obtain organizing thing I;
B, by flow be 36-37M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155-160 DEG C, air outlet temperature are 70-75 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2-0.22MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500-580, Vltra tears 2.8-2.9, cement 280-290, dicalcium powder 180-190, silica powder 180-190 and quartz sand 280-290 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 11 embodiment: the steps include:
A, according to composition by weight, aqueous solution 71-75, the water 25-28 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 195-200, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 61-65 DEG C, carry out the mixing of 2.0-2.2 hour, obtain organizing thing I;
B, by flow be 40-42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 170-175 DEG C, air outlet temperature are 75-80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.28-0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 680-700, Vltra tears 3.1-3.3, cement 310-320, dicalcium powder 200-220, silica powder 200-220 and quartz sand 315-320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
The 12 embodiment: the steps include:
A, according to composition by weight, aqueous solution 69-72, the water 22-24 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 185-195, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 59-61 DEG C, carry out the mixing of 1.9-2.0 hour, obtain organizing thing I;
B, by flow be 38-40M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 165-169 DEG C, air outlet temperature are 75-77 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25-0.27MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 580-620, Vltra tears 2.9-3.0, cement 310-319, dicalcium powder 198-200, silica powder 198-210 and quartz sand 298-311 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
A kind of redispersable latex powder is being prepared the application of the waterproof paint of single-component polyalcohol cement basis based on redispersable latex powder, use redispersable latex powder to substitute vinyl acetate between to for plastic/ethyl ester, acrylic acid polymer emulsion, uses Vltra tears to substitute dispersion agent, water-holding agent.Cancel defoamer, sanitas.
The present invention has following characteristics:
1, owing to having designed the use of redispersable latex powder, redispersible latex powder is white flowing powder, it can be dispersed in water and form stable emulsion easily.It combines the good characteristic of emulsion and the convenience of powder systems, reliable and easy storge quality, has realized the waterproof product of producing high quality, single-component, dry powder.
2, do not use liquid polymer emulsion owing to having designed, and use the redispersable latex powder of powdery, make the storage of this product, transport have freeze proof; Easily packaging; Lightweight, convenient transportation economy; Without the problem of the bacterium of mildewing; The economic environmental protection of wrapping material; Easily store.
3, owing to being designed to single-component product, batch production is produced completely, strictly control the proportioning of polymkeric substance and inorganics, using inferior materials and turning out substandard goods while having avoided construction, ensure the stability of quality, convenient construction: scene only need add water in proportion and can mix use, convenient transport: avoided the leakage of liquid material in transport circular flow and cannot use, convenient storage: while avoiding liquid material summer, adding preservative agent brings injury to human body, the significant cost that needs Insulation to bring while avoiding winter, many 30%: same weight, same construction thickness, can have more 30% construction area.
Above-described embodiment is provided by the present inventionly to prepare the waterproof paint of single-component polyalcohol cement basis and a kind of way of realization of preparation method based on redispersable latex powder; according to other distortion of scheme provided by the present invention; increase or reduce composition or step wherein; or the technical field approaching with the present invention by the present invention for other, all belongs to protection scope of the present invention.

Claims (5)

1. prepare the waterproof paint of single-component polyalcohol cement basis based on redispersable latex powder for one kind, it is characterized in that: according to composition by weight, be set to include redispersable latex powder 500-700, Vltra tears 2.8-3.3, cement 280-320, dicalcium powder 180-220, silica powder 180-220 and quartz sand 280-320.
2. the waterproof paint of preparing single-component polyalcohol cement basis based on redispersable latex powder according to claim 1; It is characterized in that: according to composition by weight, be set to include redispersable latex powder 508, Vltra tears 3.2, cement 310, dicalcium powder 189, silica powder 215 and quartz sand 320.
3. a method of producing waterproof coating material of preparing single-component polyalcohol cement basis based on redispersable latex powder, the steps include:
A, according to composition by weight, aqueous solution 65-75, the water 18-28 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 160-200, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 55-65 DEG C, carry out the mixing of 1.8-2.2 hour, obtain organizing thing I;
B, by flow be 36-42M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 155-175 DEG C, air outlet temperature are 70-80 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.2-0.3MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 500-700, Vltra tears 2.8-3.3, cement 280-320, dicalcium powder 180-220, silica powder 180-220 and quartz sand 280-320 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
4. the method for producing waterproof coating material of preparing single-component polyalcohol cement basis based on redispersable latex powder according to claim 3; It is characterized in that: the steps include:
A, according to composition by weight, aqueous solution 69-72, the water 22-24 of vinyl acetate between to for plastic, vinyl acetic monomer or acrylic acid polymer emulsion 185-195, polyvinyl alcohol are injected to reactor, under normal pressure, make the temperature of reactor keep 59-61 DEG C, carry out the mixing of 1.9-2.0 hour, obtain organizing thing I;
B, by flow be 38-40M the dehvery pump of S the group thing I in reactor is injected in drying tower, be that 165-169 DEG C, air outlet temperature are 75-77 DEG C dry through inlet temperature, obtain organizing thing II;
C, the cyclone cluster that is 0.25-0.27MP by negative pressure are injected into cloth bag type collection device the group thing II of drying tower, obtain redispersable latex powder;
D, according to composition by weight, redispersable latex powder 580-620, Vltra tears 2.9-3.0, cement 310-319, dicalcium powder 198-200, silica powder 198-210 and quartz sand 298-311 are joined to mixed stirring device, in mixed stirring device, mix, obtain waterproof paint.
5. prepare the application of the waterproof paint of single-component polyalcohol cement basis based on redispersable latex powder for one kind, it is characterized in that: use redispersable latex powder to substitute vinyl acetate between to for plastic/ethyl ester, acrylic acid polymer emulsion, uses Vltra tears to substitute dispersion agent, water-holding agent.
CN201410371880.3A 2014-07-31 2014-07-31 Single-component polymer cement based waterproof coating prepared on basis of redispersible latex powder and preparation method of waterproof coating CN104193241A (en)

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CN105399393A (en) * 2015-12-07 2016-03-16 翁荣森 Integrally-jetted light wall spray slurry and preparing method and application thereof
CN108457437A (en) * 2018-02-03 2018-08-28 江苏尼高科技有限公司 Concrete dusting regulation protective coating and its construction method

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Application publication date: 20141210