CN105368288A - Two-component polyurethane recoatable finish paint - Google Patents
Two-component polyurethane recoatable finish paint Download PDFInfo
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- CN105368288A CN105368288A CN201510831189.3A CN201510831189A CN105368288A CN 105368288 A CN105368288 A CN 105368288A CN 201510831189 A CN201510831189 A CN 201510831189A CN 105368288 A CN105368288 A CN 105368288A
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Abstract
The invention discloses a two-component polyurethane recoatable finish paint composed of a component A and a component B. The component A comprises the raw materials in parts by weight: 5-15 parts of hydroxyl acrylic resin, 15-20 parts of weather-resistant cycloaliphatic epoxy resin, 15-30 parts of a pigment filler, 1-3 parts of an antioxidant, 1-2 parts of an anti-ultraviolet absorber, 5-10 parts of an aliphatic flexible epoxy toughening agent, 5-10 parts of polyether diol, and 3-8 parts of tartaric acid. The component B comprises the raw materials in parts by weight: 5-15 parts of polyether triol, 10-30 parts of a hexamethylene diisocyanate biuret prepolymer, 5-15 parts of 3,3-dichloro-4,4-methylene diphenylamine, 5-10 parts of nano silica, 10-20 parts of nano hollow glass micro-beads, 1-2 parts of a defoaming agent, and 1-3 parts of a catalyst. The weight ratio of the component A to the component B is 10 to (1-2.6). The two-component polyurethane recoatable finish paint is good in scratch resistance, and high in glossiness and fullness.
Description
Technical field
The present invention relates to polyurethane finish technical field, particularly relating to a kind of dual-component polyurethane can coating paint.
Background technology
At present, at home in engineering machinery finish paint product, the impact of the reasons such as the environment used owing to being subject to engineering machinery and manufacturing cost, there is many defects in Domestic Construction Machinery product in glossiness, fullness ratio, clarity, weathering resistance and rustless property, thus cause the visual appearance level entirety of domestic project engineering goods not high, become the large obstacle that Domestic Construction Machinery product participates in competition in the international market effectively.Polyurethane water-proof paint easily turns yellow aging when exposing, cause glossiness, fullness ratio poor, and scratch resistance also can not meet demand.
Summary of the invention
The present invention proposes a kind of dual-component polyurethane can coating paint, and resistance to marring is good, glossiness and fullness ratio high.
A kind of dual-component polyurethane that the present invention proposes can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 5-15 part, weathering resistance cycloaliphatic epoxy resin 15-20 part, color stuffing 15-30 part, antioxidant 1-3 part, ultraviolet-resistant absorbent 1-2 part, aliphatics flexible epoxy toughner 5-10 part, polyether Glycols 5-10 part, tartrate 3-8 part;
The raw material of B component comprises by weight: polyether-tribasic alcohol 5-15 part, hexamethylene diisocyanate biruet prepolymer 10-30 part, 3,3-bis-chloro-4,4-diphenylmethanediamiand 5-15 part, nano silicon 5-10 part, nano-hollow glass microballon 10-20 part, defoamer 1-2 part, catalyzer 1-3 part;
The weight ratio of component A and B component is 10:1-2.6.
Preferably, by water-ground limestone, barium sulfate, titanium dioxide, talcum powder, mica powder, one or more form described color stuffing.
Preferably, described catalyzer by dibutyl tin laurate, stannous octoate, isocaprylic acid zinc, isocaprylic acid bismuth, tetrabutyl titanate, titanium isopropylate one or more form.
Preferably, in component A, the weight ratio of Hydroxylated acrylic resin, weathering resistance cycloaliphatic epoxy resin is 8-12:16-18.
Preferably, in component A, aliphatics flexible epoxy toughner, polyether Glycols, tartaric weight ratio are 6-8:8-9.5:5-6.
Preferably, in B component, the weight ratio of polyether-tribasic alcohol, hexamethylene diisocyanate biruet prepolymer is 10-12:20-24.
Preferably, the weight ratio of component A and B component is 10:1.5-2.
Preferably, described dual-component polyurethane can be made up of component A and B component by coating paint;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 8-12 part, weathering resistance cycloaliphatic epoxy resin 16-18 part, color stuffing 20-24 part, antioxidant 1.5-2 part, ultraviolet-resistant absorbent 1.2-1.6 part, aliphatics flexible epoxy toughner 6-8 part, polyether Glycols 8-9.5 part, tartrate 5-6 part;
The raw material of B component comprises by weight: polyether-tribasic alcohol 10-12 part, hexamethylene diisocyanate biruet prepolymer 20-24 part, 3,3-bis-chloro-4,4-diphenylmethanediamiand 10-13 part, nano silicon 6-8 part, nano-hollow glass microballon 16-18 part, defoamer 1.4-1.8 part, catalyzer 2-2.6 part;
The weight ratio of component A and B component is 10:1.5-2.
Above-mentioned dual-component polyurethane can adopt following technique to prepare by coating paint: component A, B component are stirred respectively, B component is slowly poured in component A, thoroughly stir and make the abundant contact reacts of two components, use after placing 20-40min, mixed coating must be finished using in 2-4h.
In the present invention, Hydroxylated acrylic resin, weathering resistance cycloaliphatic epoxy resin act synergistically, and under the prerequisite improving hardness of paint film, effectively improve the flexility of paint film, improve goods adhesion strength further; Hydroxylated acrylic resin, acrylate resin are composite, goods are excellent stability not only, with wherein add hexamethylene diisocyanate biruet prepolymer, polyether-tribasic alcohol effect, products appearance and glossiness fabulous, impact and snappiness excellence, water-ground limestone in color stuffing, barium sulfate, titanium dioxide, talcum powder, mica powder are high to goods hiding rare, and goods gloss is high, and fullness ratio is fabulous.And auxiliary agent nano silicon, nano-hollow glass microballon can be uniformly distributed in Hydroxylated acrylic resin, the inside of acrylate resin, surface, after solidification, bonding force is stronger each other, goods gloss high and, fullness ratio is good, and goods all do not affect its gloss and fullness ratio before polishing with after polishing, due to goods solid content.
Embodiment
Below, by specific embodiment, technical scheme of the present invention is described in detail.
Embodiment 1
A kind of dual-component polyurethane can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 15 parts, weathering resistance cycloaliphatic epoxy resin 15 parts, color stuffing 30 parts, antioxidant 1 part, ultraviolet-resistant absorbent 2 parts, aliphatics flexible epoxy toughner 5 parts, polyether Glycols 10 parts, 3 parts, tartrate;
The raw material of B component comprises by weight: polyether-tribasic alcohol 15 parts, hexamethylene diisocyanate biruet prepolymer 10 parts, 3, chloro-4, the 4-diphenylmethanediamiand 15 parts of 3-bis-, nano silicon 5 parts, nano-hollow glass microballon 20 parts, defoamer 1 part, catalyzer 3 parts;
The weight ratio of component A and B component is 10:1.
Embodiment 2
A kind of dual-component polyurethane can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 5 parts, weathering resistance cycloaliphatic epoxy resin 20 parts, color stuffing 15 parts, antioxidant 3 parts, ultraviolet-resistant absorbent 1 part, aliphatics flexible epoxy toughner 10 parts, polyether Glycols 5 parts, 8 parts, tartrate;
The raw material of B component comprises by weight: polyether-tribasic alcohol 5 parts, hexamethylene diisocyanate biruet prepolymer 30 parts, 3, chloro-4, the 4-diphenylmethanediamiand 5 parts of 3-bis-, nano silicon 10 parts, nano-hollow glass microballon 10 parts, defoamer 2 parts, catalyzer 1 part;
The weight ratio of component A and B component is 10:2.6.
Embodiment 3
A kind of dual-component polyurethane can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 12 parts, weathering resistance cycloaliphatic epoxy resin 16 parts, color stuffing 24 parts, antioxidant 1.5 parts, ultraviolet-resistant absorbent 1.6 parts, aliphatics flexible epoxy toughner 6 parts, polyether Glycols 9.5 parts, 5 parts, tartrate;
The raw material of B component comprises by weight: polyether-tribasic alcohol 12 parts, hexamethylene diisocyanate biruet prepolymer 20 parts, 3, chloro-4, the 4-diphenylmethanediamiand 13 parts of 3-bis-, nano silicon 6 parts, nano-hollow glass microballon 18 parts, defoamer 1.4 parts, catalyzer 2.6 parts;
The weight ratio of component A and B component is 10:1.5.
Described color stuffing is made up of water-ground limestone, barium sulfate, titanium dioxide.
Described catalyzer is made up of dibutyl tin laurate, stannous octoate, isocaprylic acid zinc.
Above-mentioned dual-component polyurethane can adopt following technique to prepare by coating paint: component A, B component are stirred respectively, B component is slowly poured in component A, thoroughly stir and make the abundant contact reacts of two components, use after placing 40min, mixed coating must be finished using in 2h.
Embodiment 4
A kind of dual-component polyurethane can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 8 parts, weathering resistance cycloaliphatic epoxy resin 18 parts, color stuffing 20 parts, antioxidant 2 parts, ultraviolet-resistant absorbent 1.2 parts, aliphatics flexible epoxy toughner 8 parts, polyether Glycols 8 parts, 6 parts, tartrate;
The raw material of B component comprises by weight: polyether-tribasic alcohol 10 parts, hexamethylene diisocyanate biruet prepolymer 24 parts, 3, chloro-4, the 4-diphenylmethanediamiand 10 parts of 3-bis-, nano silicon 8 parts, nano-hollow glass microballon 16 parts, defoamer 1.8 parts, catalyzer 2 parts;
The weight ratio of component A and B component is 10:2.
Described color stuffing is made up of titanium dioxide, talcum powder, mica powder.
Described catalyzer is made up of isocaprylic acid bismuth, tetrabutyl titanate, titanium isopropylate.
Above-mentioned dual-component polyurethane can adopt following technique to prepare by coating paint: component A, B component are stirred respectively, B component is slowly poured in component A, thoroughly stir and make the abundant contact reacts of two components, use after placing 20min, mixed coating must be finished using in 4h.
Embodiment 5
A kind of dual-component polyurethane can coating paint, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 10.5 parts, weathering resistance cycloaliphatic epoxy resin 17.6 parts, color stuffing 22 parts, antioxidant 1.8 parts, ultraviolet-resistant absorbent 1.45 parts, aliphatics flexible epoxy toughner 7.5 parts, polyether Glycols 9.2 parts, 5.2 parts, tartrate;
The raw material of B component comprises by weight: polyether-tribasic alcohol 11.4 parts, hexamethylene diisocyanate biruet prepolymer 22 parts, 3, chloro-4, the 4-diphenylmethanediamiand 11.5 parts of 3-bis-, nano silicon 7.2 parts, nano-hollow glass microballon 16.5 parts, defoamer 1.6 parts, catalyzer 2.2 parts;
The weight ratio of component A and B component is 10:1.85
Described color stuffing is made up of water-ground limestone, barium sulfate, titanium dioxide, talcum powder, mica powder.
Described catalyzer is made up of dibutyl tin laurate, stannous octoate, isocaprylic acid zinc, isocaprylic acid bismuth, tetrabutyl titanate, titanium isopropylate.
Above-mentioned dual-component polyurethane can adopt following technique to prepare by coating paint: component A, B component are stirred respectively, B component is slowly poured in component A, thoroughly stir and make the abundant contact reacts of two components, use after placing 36min, mixed coating must be finished using in 3h.
Performance test can be carried out by coating paint to dual-component polyurethane described in embodiment 1-5, its film tensile strength 20-24MPa, elongation 600-650%, surface drying 1-2h set time, do solid work 20-22h, even if use in boats and ships, car surface in long term operation, also can guarantee that film does not ftracture easily, and gloss is high, fullness ratio is high.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (8)
1. dual-component polyurethane can a coating paint, it is characterized in that, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 5-15 part, weathering resistance cycloaliphatic epoxy resin 15-20 part, color stuffing 15-30 part, antioxidant 1-3 part, ultraviolet-resistant absorbent 1-2 part, aliphatics flexible epoxy toughner 5-10 part, polyether Glycols 5-10 part, tartrate 3-8 part;
The raw material of B component comprises by weight: polyether-tribasic alcohol 5-15 part, hexamethylene diisocyanate biruet prepolymer 10-30 part, 3,3-bis-chloro-4,4-diphenylmethanediamiand 5-15 part, nano silicon 5-10 part, nano-hollow glass microballon 10-20 part, defoamer 1-2 part, catalyzer 1-3 part;
The weight ratio of component A and B component is 10:1-2.6.
2. dual-component polyurethane according to claim 1 can coating paint, and it is characterized in that, by water-ground limestone, barium sulfate, titanium dioxide, talcum powder, mica powder, one or more form described color stuffing.
3. dual-component polyurethane according to claim 1 and 2 can coating paint, it is characterized in that, described catalyzer by dibutyl tin laurate, stannous octoate, isocaprylic acid zinc, isocaprylic acid bismuth, tetrabutyl titanate, titanium isopropylate one or more form.
4. the dual-component polyurethane according to any one of claim 1-3 can coating paint, and it is characterized in that, in component A, the weight ratio of Hydroxylated acrylic resin, weathering resistance cycloaliphatic epoxy resin is 8-12:16-18.
5. the dual-component polyurethane according to any one of claim 1-4 can coating paint, and it is characterized in that, in component A, aliphatics flexible epoxy toughner, polyether Glycols, tartaric weight ratio are 6-8:8-9.5:5-6.
6. the dual-component polyurethane according to any one of claim 1-5 can coating paint, and it is characterized in that, in B component, the weight ratio of polyether-tribasic alcohol, hexamethylene diisocyanate biruet prepolymer is 10-12:20-24.
7. the dual-component polyurethane according to any one of claim 1-6 can coating paint, and it is characterized in that, the weight ratio of component A and B component is 10:1.5-2.
8. the dual-component polyurethane according to any one of claim 1-7 can coating paint, it is characterized in that, is made up of component A and B component;
The raw material of component A comprises by weight: Hydroxylated acrylic resin 8-12 part, weathering resistance cycloaliphatic epoxy resin 16-18 part, color stuffing 20-24 part, antioxidant 1.5-2 part, ultraviolet-resistant absorbent 1.2-1.6 part, aliphatics flexible epoxy toughner 6-8 part, polyether Glycols 8-9.5 part, tartrate 5-6 part;
The raw material of B component comprises by weight: polyether-tribasic alcohol 10-12 part, hexamethylene diisocyanate biruet prepolymer 20-24 part, 3,3-bis-chloro-4,4-diphenylmethanediamiand 10-13 part, nano silicon 6-8 part, nano-hollow glass microballon 16-18 part, defoamer 1.4-1.8 part, catalyzer 2-2.6 part;
The weight ratio of component A and B component is 10:1.5-2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510831189.3A CN105368288A (en) | 2015-11-24 | 2015-11-24 | Two-component polyurethane recoatable finish paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510831189.3A CN105368288A (en) | 2015-11-24 | 2015-11-24 | Two-component polyurethane recoatable finish paint |
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| CN201510831189.3A Pending CN105368288A (en) | 2015-11-24 | 2015-11-24 | Two-component polyurethane recoatable finish paint |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837775A (en) * | 2016-03-23 | 2016-08-10 | 赵洪枝 | Environment-friendly catalyst and preparation method thereof |
| CN106800875A (en) * | 2016-12-26 | 2017-06-06 | 安徽雷萨重工机械有限公司 | A kind of metallic article containing protective coating |
| EP3459983A1 (en) * | 2017-09-25 | 2019-03-27 | Evonik Degussa GmbH | Manufacture of polyurethane systems |
| CN110563918A (en) * | 2019-09-02 | 2019-12-13 | 福建国邦新材料有限公司 | Preparation method of modified grafted polyurethane resin |
| CN112194970A (en) * | 2020-10-16 | 2021-01-08 | 贵州黔鳌信息技术有限公司 | Heat-insulating noise-reducing waste gas-removing vehicle paint and manufacturing method thereof |
| CN112375483A (en) * | 2020-12-10 | 2021-02-19 | 无锡市太湖防腐材料有限公司 | Long-acting heavy-duty reflective heat-insulating coating and preparation method thereof |
| CN114196311A (en) * | 2021-12-28 | 2022-03-18 | 株洲市九华新材料涂装实业有限公司 | Modified polyurethane thick paint for glass fiber reinforced plastic material for rail transit and preparation method thereof |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105837775A (en) * | 2016-03-23 | 2016-08-10 | 赵洪枝 | Environment-friendly catalyst and preparation method thereof |
| CN106800875A (en) * | 2016-12-26 | 2017-06-06 | 安徽雷萨重工机械有限公司 | A kind of metallic article containing protective coating |
| EP3459983A1 (en) * | 2017-09-25 | 2019-03-27 | Evonik Degussa GmbH | Manufacture of polyurethane systems |
| CN109553744A (en) * | 2017-09-25 | 2019-04-02 | 赢创德固赛有限公司 | The generation of polyurethane system |
| US10995174B2 (en) | 2017-09-25 | 2021-05-04 | Evonik Operations Gmbh | Production of polyurethane systems |
| CN110563918A (en) * | 2019-09-02 | 2019-12-13 | 福建国邦新材料有限公司 | Preparation method of modified grafted polyurethane resin |
| CN112194970A (en) * | 2020-10-16 | 2021-01-08 | 贵州黔鳌信息技术有限公司 | Heat-insulating noise-reducing waste gas-removing vehicle paint and manufacturing method thereof |
| CN112375483A (en) * | 2020-12-10 | 2021-02-19 | 无锡市太湖防腐材料有限公司 | Long-acting heavy-duty reflective heat-insulating coating and preparation method thereof |
| CN114196311A (en) * | 2021-12-28 | 2022-03-18 | 株洲市九华新材料涂装实业有限公司 | Modified polyurethane thick paint for glass fiber reinforced plastic material for rail transit and preparation method thereof |
| CN114196311B (en) * | 2021-12-28 | 2022-05-31 | 株洲市九华新材料涂装实业有限公司 | Modified polyurethane thick paint for glass fiber reinforced plastic material for rail transit and preparation method thereof |
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