CN102212307A - Double-component polyurethane waterproofing paint and preparation method thereof - Google Patents
Double-component polyurethane waterproofing paint and preparation method thereof Download PDFInfo
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- CN102212307A CN102212307A CN 201010138301 CN201010138301A CN102212307A CN 102212307 A CN102212307 A CN 102212307A CN 201010138301 CN201010138301 CN 201010138301 CN 201010138301 A CN201010138301 A CN 201010138301A CN 102212307 A CN102212307 A CN 102212307A
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Abstract
The invention relates to double-component polyurethane waterproofing paint and a preparation method thereof. The waterproofing paint consists of a component A and a component B, wherein the mass proportion of component A to component B is 1:3; the component A comprises polyoxypropylene ether polyol with a molecular weight of 1500-2500 and a functionality of 2, polyoxypropylene ether polyol with a molecular weight of 3000-5000 and a functionality of 3, 4,4'-diphenylmethane diisocyanate, 2,4'-diphenylmethane diisocyanate and chlorcosane; and the component B comprises vacuum distillate 4 line oil, the chlorcosane, dibutyl phthalate, methine di-ortho-chloro aniline (MOCA), talcum powder, ground calcium carbonate, kaolin, inorganic pigment, a high-boiling-point non-toxic aromatic hydrocarbon solvent, a T-12 catalyst and triethylamine. The preparation method has the beneficial effects that nontoxic diphenylmethane diisocyanate is used instead of virulent toluene diisocynate; and in addition, toxic raw materials such as coal tar, toluene, dimehtylbenzene and the like are not added any more. Thus, the paint and preparation method are beneficial to environment protection.
Description
Technical field
The present invention relates to a kind of polyurethane water-proof paint, relate in particular to the proportioning raw materials of this polyurethane water-proof paint.
Background technology
Polyurethane water-proof paint is a kind of waterproof material, has unique advantages such as easy construction, wide, the anti-waterpower of suitable application area is strong, the waterproof validity period is long.
Polyurethane water-proof paint is based on two components in the world at present, and the component that contains isocyano is called the A component, and another supporting component is called the B component.The principal reaction composition of B component is a solidifying agent, and other contains a large amount of color stuffings.
The ratio of A component of the prior art and B component was at 1: 2.5, wherein the A component is by polyoxytrimethylene ethoxylated polyhydric alcohol (molecular weight 1500～2500, functionality is 2), components such as polyoxytrimethylene ethoxylated polyhydric alcohol (molecular weight 3000～5000, functionality are 3), tolylene diisocyanate, clorafin form.The B component is made up of coal tar, clorafin, dibutyl phthalate, MOCA, talcum powder, coarse whiting, kaolin, mineral dye or the like, also has toluene, dimethylbenzene, T-12 catalyzer, triethylamine or the like component in addition.
The prior art part that comes with some shortcomings mainly shows:
The tolylene diisocyanate vapour pressure is bigger in the A component, and toxicity is very strong;
Coal tar in the B component, toluene, dimethylbenzene or the like starting material toxicity is stronger, and is unfavorable to environmental protection.
Summary of the invention
The technical issues that need to address of the present invention have provided a kind of double-composition polyurethane waterproof paint, are intended to solve the above problems;
The present invention also provides a kind of preparation method of waterproof paint.
In order to solve the problems of the technologies described above, the present invention is achieved by the following technical solutions:
The present invention is made up of A component and B component, and its quality proportioning is 1: 3; The A component comprises: molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol, molecular weight 3000～5000, functionality is 3 polyoxytrimethylene ethoxylated polyhydric alcohol, 4,4 '--diphenylmethanediisocyanate, 2,4 '--diphenylmethanediisocyanate, clorafin; Its quality proportioning is: 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, and 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 4,4 '--6～10 parts of diphenylmethanediisocyanates, 2,4 '--6～10 parts of diphenylmethanediisocyanates, 13～20 parts of clorafins; The B component comprises: subtract four oil, clorafin, dibutyl phthalate, MOCA, talcum powder, coarse whiting, kaolin, mineral dye, the nontoxic aromatic solvent of high boiling point, T-12 catalyzer, triethylamine; Its quality proportioning is: subtract 15～20 parts of four oil, 12～15 parts of clorafins, 3～5 parts of dibutyl phthalates, 3～5 parts of MOCA, 15～20 parts of talcum powder, 25～30 parts of coarse whitings, 8～10 parts of kaolin, 0.5～1.2 part of mineral dye, 5～10 parts of the nontoxic aromatic solvents of high boiling point, 0.01～0.05 part of T-12 catalyzer, 0.05～0.1 part of triethylamine.
The preparation method of double-composition polyurethane waterproof paint realizes by following steps:
The production technique of A component is:
Adding molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol in the reactor, and molecular weight 3000～5000, functionality are 3 polyoxytrimethylene ethoxylated polyhydric alcohol;
Reactor is warmed up between 110 ℃～130 ℃, opens vacuum system, sloughs the moisture of material in the reactor;
After 3 hours, material moisture detects less than after 0.05% in the reactor, cools to 40 ℃～70 ℃, adds 4,4 '--diphenylmethanediisocyanate, and 2,4 '--diphenylmethanediisocyanate;
Under 60 ℃～90 ℃ temperature, reacted 1.5～4.5 hours;
Cool to below 60 ℃, add clorafin, stir evenly back discharging packing;
Above-mentioned raw materials quality proportioning is: 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 4,4 '--6～10 parts of diphenylmethanediisocyanates, 2,4 '--6～10 parts of diphenylmethanediisocyanates, 13～20 parts of clorafins;
The production technique of B component of the present invention is:
Adding subtracts four oil, dibutyl phthalate, clorafin in the reactor, is warming up to more than 60 ℃;
Add MOCA, talcum powder, coarse whiting, kaolin, mineral dye, be warming up to about 60 ℃～100 ℃, vacuumize, charge into nitrogen from the reactor bottom simultaneously, slough the moisture in the material in reactor;
After 3～4 hours, cool to below 60 ℃, add high boiling point innoxious solvent, 0.05 part of catalyzer, 0.05 part of triethylamine stirs evenly discharging;
Above-mentioned raw materials quality proportioning is: subtract 15～20 parts of four oil, 12～15 parts of clorafins, 3～5 parts of dibutyl phthalates, 3～5 parts of MOCA, 15～20 parts of talcum powder, 25～30 parts of coarse whitings, 8～10 parts of kaolin, 0.5～1.2 part of mineral dye, 5～10 parts of the nontoxic aromatic solvents of high boiling point, 0.01～0.05 part of T-12 catalyzer, 0.05～0.1 part of triethylamine.
During use, earlier the B component is stirred evenly, according to 1: 3 ratio, A component and B component are stirred evenly the back construction then.
Compared with prior art, the invention has the beneficial effects as follows:, replace with nontoxic diphenylmethanediisocyanate because the tolylene diisocyanate of severe toxicity is used in cancellation; In addition, do not re-use poisonous starting material such as coal tar, toluene, dimethylbenzene, useful to environmental protection.
Embodiment
Below in conjunction with embodiment the present invention is described in further detail:
The present invention is made up of A component and B component, and its quality proportioning is 1: 3; The A component comprises: molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol, molecular weight 3000～5000, functionality is 3 polyoxytrimethylene ethoxylated polyhydric alcohol, 4,4 '--diphenylmethanediisocyanate, 2,4 '--diphenylmethanediisocyanate, clorafin; Its quality proportioning is: 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, and 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 4,4 '--6～10 parts of diphenylmethanediisocyanates, 2,4 '--6～10 parts of diphenylmethanediisocyanates, 13～20 parts of clorafins; The B component comprises: subtract four oil, clorafin, dibutyl phthalate, MOCA, talcum powder, coarse whiting, kaolin, mineral dye, the nontoxic aromatic solvent of high boiling point, T-12 catalyzer, triethylamine; Its quality proportioning is: subtract 15～20 parts of four oil, 12～15 parts of clorafins, 3～5 parts of dibutyl phthalates, 3～5 parts of MOCA, 15～20 parts of talcum powder, 25～30 parts of coarse whitings, 8～10 parts of kaolin, 0.5～1.2 part of mineral dye, 5～10 parts of the nontoxic aromatic solvents of high boiling point, 0.01～0.05 part of T-12 catalyzer, 0.05～0.1 part of triethylamine.
The production technique of A component of the present invention realizes by following steps:
Add 30 parts of polyoxytrimethylene ethoxylated polyhydric alcohol (molecular weight 1500～2500 in the reactor, functionality is 2), 30 parts of polyoxytrimethylene ethoxylated polyhydric alcohol (molecular weight 3000～5000, functionality is 3), the effect of these polyvalent alcohols is with the isocyanate reaction that will add, and generates the performed polymer that contains isocyano;
Reactor is warmed up between 110 ℃～130 ℃, opens vacuum system, sloughs the moisture of material in the reactor;
After 3 hours, material moisture detects less than after 0.05% in the reactor, cools to 40 ℃～70 ℃, adds 10 part 4,4 '--diphenylmethanediisocyanate, and 10 part 2,4 '--diphenylmethanediisocyanate;
Under 60 ℃～90 ℃ temperature, reacted 1.5～4.5 hours;
Cool to below 60 ℃, add 20 parts of clorafins, stir evenly back discharging packing; The effect of clorafin is to be the plasticising of A component, improves the flowability of A component.
The production technique of B component of the present invention realizes by following steps:
Add 20 parts in the reactor and subtract four oil, 12 parts of DBP (dibutyl phthalate), 4 parts of clorafins, be warming up to more than 60 ℃; The effect that subtracts four oil, DBP, clorafin is the powder plasticising that will add for following, allows whole B component that flowability is arranged;
Add 5 parts of MOCA, 18 parts of talcum powder, 30 parts of coarse whitings, 8 parts of kaolin, 0.5 part of mineral dye, be warming up to about 60 ℃～100 ℃, vacuumize, charge into nitrogen from the reactor bottom simultaneously, slough the moisture in the material in reactor; Wherein MOCA is a solidifying agent, and after A component and B component mixed, MOCA made their film-formings; Talcum powder, coarse whiting, kaolinic effect provide the powder skeleton, improve the intensity of this polyurethane water-proof paint.As for pigment, then be the color of transferring the B component, the outward appearance of beautifying this polyurethane water-proof paint.
After 3～4 hours, cool to below 60 ℃, add 5 parts of high boiling point innoxious solvents, 0.05 part of catalyzer, 0.05 part of triethylamine stirs evenly discharging.The effect of high boiling point innoxious solvent is the viscosity of reduction system, is convenient to construction; The effect of catalyzer and triethylamine then is the film forming speed that improves this polyurethane water-proof paint.
Produce the A component according to production technique of the present invention and adding starting material amount;
Produce the B component according to production technique of the present invention and adding starting material amount;
During use, earlier the B component is stirred evenly, according to 1: 3 ratio, A component and B component are stirred evenly the back construction then.This polyurethane water-proof paint meets the regulation of GB/T 19250-2003, and substantially exceed wherein≤polycomponent polyurethane water-proof paint physical and mechanical property 〉=index request.The specific targets performance is as follows:
The technical requirements of table 3 finished product
| Sequence number | Project | The GB requirement | Measured value |
| 1 | Tensile strength/MPa 〉= | 2.45 | 3.10 |
| 2 | Elongation at break % 〉= | 450 | 550 |
| 3 | Tear strength/(N/mm) 〉= | 14 | 16 |
| 4 | Low-temperature bending/℃≤ | -35 | -35 |
| 5 | Watertightness 0.3MPa, 30min | Waterproof | Qualified |
| 6 | Solids content/% 〉= | 92 | 93 |
| 7 | Surface drying time/h≤ | 8 | 6 |
| 8 | Do solid work time/h≤ | 24 | 16 |
Claims (2)
1. a double-composition polyurethane waterproof paint is made up of A component and B component, and its quality proportioning is 1: 3; The A component comprises: molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol, molecular weight 3000～5000, functionality is 3 polyoxytrimethylene ethoxylated polyhydric alcohol, 4,4 '--diphenylmethanediisocyanate, 2,4 '--diphenylmethanediisocyanate, clorafin; Its quality proportioning is: 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, and 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 4,4 '--6～10 parts of diphenylmethanediisocyanates, 2,4 '--6～10 parts of diphenylmethanediisocyanates, 13～20 parts of clorafins; The B component comprises: subtract four oil, clorafin, dibutyl phthalate, MOCA, talcum powder, coarse whiting, kaolin, mineral dye, the nontoxic aromatic solvent of high boiling point, T-12 catalyzer, triethylamine; Its quality proportioning is: subtract 15～20 parts of four oil, 12～15 parts of clorafins, 3～5 parts of dibutyl phthalates, 3～5 parts of MOCA, 15～20 parts of talcum powder, 25～30 parts of coarse whitings, 8～10 parts of kaolin, 0.5～1.2 part of mineral dye, 5～10 parts of the nontoxic aromatic solvents of high boiling point, 0.01～0.05 part of T-12 catalyzer, 0.05～0.1 part of triethylamine.
2. the preparation method of a double-composition polyurethane waterproof paint, realize by following steps:
The production technique of A component is:
Adding molecular weight 1500～2500, functionality are 2 polyoxytrimethylene ethoxylated polyhydric alcohol in the reactor, and molecular weight 3000～5000, functionality are 3 polyoxytrimethylene ethoxylated polyhydric alcohol;
Reactor is warmed up between 110 ℃～130 ℃, opens vacuum system, sloughs the moisture of material in the reactor;
After 3 hours, material moisture detects less than after 0.05% in the reactor, cools to 40 ℃～70 ℃, adds 4,4 '--diphenylmethanediisocyanate, and 2,4 '--diphenylmethanediisocyanate;
Under 60 ℃～90 ℃ temperature, reacted 1.5～4.5 hours;
Cool to below 60 ℃, add clorafin, stir evenly back discharging packing;
Above-mentioned raw materials quality proportioning is: 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 25～40 parts of polyoxytrimethylene ethoxylated polyhydric alcohols, 4,4 '--6～10 parts of diphenylmethanediisocyanates, 2,4 '--6～10 parts of diphenylmethanediisocyanates, 13～20 parts of clorafins;
The production technique of B component is:
Adding subtracts four oil, dibutyl phthalate, clorafin in the reactor, is warming up to more than 60 ℃;
Add MOCA, talcum powder, coarse whiting, kaolin, mineral dye, be warming up to about 60 ℃～100 ℃, vacuumize, charge into nitrogen from the reactor bottom simultaneously, slough the moisture in the material in reactor;
After 3～4 hours, cool to below 60 ℃, add high boiling point innoxious solvent, 0.05 part of catalyzer, 0.05 part of triethylamine stirs evenly discharging;
Above-mentioned raw materials quality proportioning is: subtract 15～20 parts of four oil, 12～15 parts of clorafins, 3～5 parts of dibutyl phthalates, 3～5 parts of MOCA, 15～20 parts of talcum powder, 25～30 parts of coarse whitings, 8～10 parts of kaolin, 0.5～1.2 part of mineral dye, 5～10 parts of the nontoxic aromatic solvents of high boiling point, 0.01～0.05 part of T-12 catalyzer, 0.05～0.1 part of triethylamine.
During use, earlier the B component is stirred evenly, according to 1: 3 ratio, A component and B component are stirred evenly the back construction then.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010138301 CN102212307A (en) | 2010-04-02 | 2010-04-02 | Double-component polyurethane waterproofing paint and preparation method thereof |
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| CN 201010138301 CN102212307A (en) | 2010-04-02 | 2010-04-02 | Double-component polyurethane waterproofing paint and preparation method thereof |
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Cited By (10)
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| CN102561659A (en) * | 2012-02-25 | 2012-07-11 | 福州皇家地坪有限公司 | Tin-titanium noise reduction floor and manufacturing method thereof |
| CN103897553A (en) * | 2013-05-23 | 2014-07-02 | 杭州宝力物资再生利用有限公司 | Plastic venue material and preparation process thereof |
| CN103911065A (en) * | 2013-01-05 | 2014-07-09 | 上海东方雨虹防水技术有限责任公司 | Dual-component polyurethane waterproof paint, B component, B component stabilizing agent and preparation method |
| CN104178016A (en) * | 2014-09-11 | 2014-12-03 | 浙江春明防水建材有限公司 | Preparation method of environment-friendly FJS water-resistant paint |
| CN104693781A (en) * | 2015-03-06 | 2015-06-10 | 济南骄泰信息技术有限公司 | Preparation method of polyurethane waterproof material |
| CN106978059A (en) * | 2017-03-09 | 2017-07-25 | 上海台安实业集团有限公司 | Silane end-cappers modified double components polyurethane water-proof paint and preparation method thereof |
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| CN109233607A (en) * | 2018-07-27 | 2019-01-18 | 唐山东方雨虹防水技术有限责任公司 | Type Two-component Waterproof Polyurethane Coating and preparation method thereof is coagulated in spraying fastly |
| CN112177377A (en) * | 2020-09-14 | 2021-01-05 | 安徽墨砂工程修缮技术有限公司 | Environment-friendly house leakage maintenance method |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102561659A (en) * | 2012-02-25 | 2012-07-11 | 福州皇家地坪有限公司 | Tin-titanium noise reduction floor and manufacturing method thereof |
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| CN103911065B (en) * | 2013-01-05 | 2016-02-03 | 上海东方雨虹防水技术有限责任公司 | Two-component Waterproof Polyurethane Coating, second component, second component stablizer and preparation method |
| CN103911065A (en) * | 2013-01-05 | 2014-07-09 | 上海东方雨虹防水技术有限责任公司 | Dual-component polyurethane waterproof paint, B component, B component stabilizing agent and preparation method |
| CN103897553A (en) * | 2013-05-23 | 2014-07-02 | 杭州宝力物资再生利用有限公司 | Plastic venue material and preparation process thereof |
| CN104178016A (en) * | 2014-09-11 | 2014-12-03 | 浙江春明防水建材有限公司 | Preparation method of environment-friendly FJS water-resistant paint |
| CN104693781A (en) * | 2015-03-06 | 2015-06-10 | 济南骄泰信息技术有限公司 | Preparation method of polyurethane waterproof material |
| CN106978059A (en) * | 2017-03-09 | 2017-07-25 | 上海台安实业集团有限公司 | Silane end-cappers modified double components polyurethane water-proof paint and preparation method thereof |
| CN108707413A (en) * | 2018-04-10 | 2018-10-26 | 吴红华 | A kind of environmental protection double-composition polyurethane waterproof paint |
| CN109233607A (en) * | 2018-07-27 | 2019-01-18 | 唐山东方雨虹防水技术有限责任公司 | Type Two-component Waterproof Polyurethane Coating and preparation method thereof is coagulated in spraying fastly |
| CN109233607B (en) * | 2018-07-27 | 2021-03-26 | 唐山东方雨虹防水技术有限责任公司 | Spraying quick-setting type double-component polyurethane waterproof coating and preparation method thereof |
| CN112177377A (en) * | 2020-09-14 | 2021-01-05 | 安徽墨砂工程修缮技术有限公司 | Environment-friendly house leakage maintenance method |
| CN115320188A (en) * | 2022-10-17 | 2022-11-11 | 宁波时代铝箔科技股份有限公司 | Tearable packaging material, preparation method thereof and packaging container |
| CN115320188B (en) * | 2022-10-17 | 2023-01-31 | 宁波时代铝箔科技股份有限公司 | Tearable packaging material, preparation method thereof and packaging container |
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Application publication date: 20111012 |