CN105062311A - Water-resistant epoxy polyester powdery paint - Google Patents
Water-resistant epoxy polyester powdery paint Download PDFInfo
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- CN105062311A CN105062311A CN201510473884.7A CN201510473884A CN105062311A CN 105062311 A CN105062311 A CN 105062311A CN 201510473884 A CN201510473884 A CN 201510473884A CN 105062311 A CN105062311 A CN 105062311A
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Abstract
The invention discloses water-resistant epoxy polyester powdery paint. The water-resistant epoxy polyester powdery paint comprises, by weight, 80-120 parts of epoxy resin E-12, 60-80 parts of polyester resin, 40-60 parts of polybutylacrylate, 10-30 parts of polyethylene, 6-9 parts of alkyd resin, 2-8 parts of resorcinol, 3-9 parts of polyvinyl ether, 7-15 parts of active carbon, 3-9 parts of nanometer silica, 5-15 parts of powdered steatile, 2-8 parts of aluminum nitride powder, 3-9 parts of modified phenolic resin, 2-5 parts of a silane coupling agent KH550, 1-6 parts of a curing agent, 2-6 parts of dimethyl siloxane and 3-7 parts of iron oxide. The powdery paint has excellent adhesion, hardness, chemical resistance, physical and mechanical properties and excellent water resistance.
Description
Technical field
The present invention relates to paint field, particularly relate to a kind of water tolerance epoxy polyester powder coating.
Background technology
Powder coating is a kind of novel not containing solvent 100% solid powdery coating.There is solvent-free, pollution-free, recyclable, environmental protection, the saving energy and resource, reduce labor intensity and film physical strength high.
Powder coating is divided into again thermoplastic powder coating and thermosetting powder coating(s).Thermoplastic powder coating is become to be grouped into stablizer etc. by thermoplastic resin, pigment, filler, softening agent.Thermoplastic powder coating comprises: polyethylene, polypropylene, polyester, polyvinyl chloride, penton, polyamide-based, cellulose-based, Polyester.Thermosetting powder coating(s) is made up of thermosetting resin, solidifying agent, pigment, filler and auxiliary agent etc.Thermosetting powder coating(s) comprises: epoxy resin, Polyester, acrylic resin.
Epoxy polyester type powder coating is the one of thermosetting powder coating(s).Epoxy resin and vibrin is adopted to be that main raw material(s) is prepared from, possesses the special performance that both are respective simultaneously, make the film produced have extremely good levelling property, ornamental, mechanical property and stronger erosion resistance, wide model is applied to the application of various indoor metal goods.
Single thermosetting powder coating(s) or thermoplastic powder coating are when applying, and sticking power and hardness all do not reach the requirement of prior art, especially the water tolerance of coating, cannot meet the demand to water-resistant coating energy in reality use.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of water tolerance epoxy polyester powder coating.
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1280-120 part, vibrin 60-80 part, butyl polyacrylate 40-60 part, polyethylene 10-30 part, Synolac 6-9 part, Resorcinol 2-8 part, polyvinyl ether 3-9 part, gac 7-15 part, nano silicon 3-9 part, talcum powder 5-15 part, aluminium nitride powder 2-8 part, modified phenolic resins 3-9 part, Silane coupling agent KH550 2-5 part, solidifying agent 1-6 part, dimethyl siloxane 2-6 part, ferric oxide 3-7 part.
Preferably, modified phenolic resins is prepared in accordance with the following steps: by carboxylic propyl group starch stirring soluble in water 5-15min, lead glass powder is added in the process stirred, then 80-120 DEG C of insulated and stirred is done to water, add resol, mica powder and Silane coupling reagent KH-570, raised temperature turns/min dispersed with stirring 4-6min to 180-200 DEG C, 200-300, obtains material a; Mix after attapulgite 600-700 DEG C of calcining 1-3h with material a, ball milling 1-3h, obtains modified phenolic resins.
Preferably, in the preparation technology of modified phenolic resins, the weight ratio of attapulgite, carboxylic propyl group starch, mica powder, vibrin, Silane coupling reagent KH-570, lead glass powder is 6-12:6-9:1-4:2-8:2-8:2-5.
Preferably, in the preparation technology of modified phenolic resins, the mass ratio 1:2-3 of carboxylic propyl group starch and water.
Preferably, the weight part of epoxy resin E-12, vibrin, butyl polyacrylate, polyethylene and Synolac can be 85-115:65-75:45-55:15-25:7-8.
Preferably, the weight ratio of Resorcinol and polyvinyl ether is 3-7:4-8.
Preferably, the weight part of gac, nano silicon, talcum powder, aluminium nitride powder and modified phenolic resins is 8-14:4-8:6-14:3-7:4-8.
Preferably, solidifying agent is one or more compositions in DDCM, THPA, HHPA and MNA.
Preparation method of the present invention is: epoxy resin E-12, vibrin, butyl polyacrylate, polyethylene, Synolac, Resorcinol, polyvinyl ether, gac, nano silicon, talcum powder, aluminium nitride powder, modified phenolic resins, Silane coupling agent KH550, solidifying agent, dimethyl siloxane and ferric oxide are mixed, put into twin screw extruder, carry out melting, extrude and granulation, product granulation obtained is ground into fine powder by plastic crusher, obtains water tolerance epoxy polyester powder coating.
In the present invention, with epoxy resin E-12 and vibrin for major ingredient, coordinate and add butyl polyacrylate, polyethylene and Synolac, coating of the present invention is made not only to have the performance of thermosetting powder coating(s) concurrently, also there is the performance of thermoplastic powder coating simultaneously, make coating have excellent sticking power, hardness, chemical resistant properties and physicals; The Resorcinol added and polyvinyl ether effectively can improve the adhesive property of coating, effectively improve the sticking power of coating; The gac added, nano silicon, talcum powder and aluminium nitride powder effectively improve hardness and the wear resisting property of coating, simultaneously due to the vesicular structure of gac, make coating have good permeability and water resistance, therefore effectively improve the water resistance of coating; The modified phenolic resins added is made by attapulgite, carboxylic propyl group starch, mica powder, resol, Silane coupling reagent KH-570 and lead glass powder, make modified phenolic resins have good water resistance, add coating to and make coating have good water-fast effect.The powder coating that the present invention obtains has excellent sticking power, hardness, chemical resistant properties and physical and mechanical properties, has excellent water resistance simultaneously.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in detail; should understand; embodiment is only for illustration of the present invention, instead of for limiting the present invention, any amendment, equivalent replacement etc. made on basis of the present invention is all in protection scope of the present invention.
In embodiment, the weight part of epoxy resin E-12 can be 80 parts, 85 parts, 90 parts, 95 parts, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts; The weight part of vibrin can be 60 parts, 65 parts, 70 parts, 75 parts, 80 parts; The weight part of butyl polyacrylate can be 40 parts, 45 parts, 50 parts, 55 parts, 60 parts; Poly weight part can be 10 parts, 15 parts, 20 parts, 25 parts, 30 parts; The weight part of Synolac can be 6 parts, 7 parts, 8 parts, 9 parts; The weight part of Resorcinol can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of polyvinyl ether can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of gac can be 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts; The weight part of nano silicon can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; Talcous weight part can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts, 13 parts, 14 parts, 15 parts; The weight part of aluminium nitride powder can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of modified phenolic resins can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of Silane coupling agent KH550 can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts; The weight part of solidifying agent can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts; The weight part of dimethyl siloxane can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts; The weight part of ferric oxide can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts.
In embodiment, in the raw material of modified phenolic resins, the weight part of attapulgite can be 6 parts, 7 parts, 8 parts, 9 parts, 10 parts, 11 parts, 12 parts; The weight part of carboxylic propyl group starch can be 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts, 8.5 parts, 9 parts; The weight part of mica powder can be 1 part, 1.5 parts, 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of resol can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of Silane coupling reagent KH-570 can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of lead glass powder can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts.
Embodiment 1
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12100 part, 70 parts, vibrin, butyl polyacrylate 50 parts, polyethylene 20 parts, Synolac 7.5 parts, Resorcinol 5 parts, polyvinyl ether 6 parts, gac 11 parts, nano silicon 6 parts, talcum powder 10 parts, aluminium nitride powder 5 parts, modified phenolic resins 6 parts, Silane coupling agent KH550 3.5 parts, 3.5 parts, solidifying agent, dimethyl siloxane 4 parts, ferric oxide 5 parts.
Wherein, modified phenolic resins is prepared in accordance with the following steps: be dissolved in 19.5 parts of water by 7.5 parts of carboxylic propyl group starch by weight and stir 10min, 3.5 parts of lead glass powder are added in the process stirred, then 100 DEG C of insulated and stirred are done to water, add 5 parts of resol, 2.5 parts of mica powders and 5 parts of Silane coupling reagent KH-570s, raised temperature to 190 DEG C, 250 turns/min dispersed with stirring 5min, obtains material a; Mix after 9 parts of attapulgites 650 DEG C calcining 2h with material a, ball milling 2h, obtains modified phenolic resins.
Embodiment 2
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1280 part, 80 parts, vibrin, butyl polyacrylate 40 parts, polyethylene 30 parts, Synolac 6 parts, Resorcinol 8 parts, polyvinyl ether 3 parts, gac 15 parts, nano silicon 3 parts, talcum powder 15 parts, aluminium nitride powder 2 parts, modified phenolic resins 9 parts, Silane coupling agent KH550 2 parts, 6 parts, solidifying agent, dimethyl siloxane 2 parts, ferric oxide 7 parts.
Wherein, modified phenolic resins is prepared in accordance with the following steps: be dissolved in 27 parts of water by 6 parts of carboxylic propyl group starch by weight and stir 5min, 5 parts of lead glass powder are added in the process stirred, then 80 DEG C of insulated and stirred are done to water, add 8 parts of resol, 1 part of mica powder and 8 parts of Silane coupling reagent KH-570s, raised temperature to 180 DEG C, 300 turns/min dispersed with stirring 4min, obtains material a; Mix after 12 parts of attapulgites 600 DEG C calcining 3h with material a, ball milling 1h, obtains modified phenolic resins.
Embodiment 3
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12120 part, 60 parts, vibrin, butyl polyacrylate 60 parts, polyethylene 10 parts, Synolac 9 parts, Resorcinol 2 parts, polyvinyl ether 9 parts, gac 7 parts, nano silicon 9 parts, talcum powder 5 parts, aluminium nitride powder 8 parts, modified phenolic resins 3 parts, Silane coupling agent KH550 5 parts, 1 part, solidifying agent, dimethyl siloxane 6 parts, ferric oxide 3 parts.
Wherein, modified phenolic resins is prepared in accordance with the following steps: be dissolved in 12 parts of water by 9 parts of carboxylic propyl group starch by weight and stir 15min, 2 parts of lead glass powder are added in the process stirred, then 120 DEG C of insulated and stirred are done to water, add 2 parts of resol, 4 parts of mica powders and 2 parts of Silane coupling reagent KH-570s, raised temperature to 200 DEG C, 200 turns/min dispersed with stirring 6min, obtains material a; Mix after 6 parts of attapulgites 700 DEG C calcining 1h with material a, ball milling 3h, obtains modified phenolic resins.
Embodiment 4
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1285 part, 75 parts, vibrin, butyl polyacrylate 45 parts, polyethylene 25 parts, Synolac 7 parts, Resorcinol 7 parts, polyvinyl ether 4 parts, gac 14 parts, nano silicon 4 parts, talcum powder 14 parts, aluminium nitride powder 3 parts, modified phenolic resins 8 parts, Silane coupling agent KH550 3 parts, 5 parts, solidifying agent, dimethyl siloxane 3 parts, ferric oxide 6 parts.
Wherein, modified phenolic resins is prepared in accordance with the following steps: be dissolved in 25 parts of water by 7 parts of carboxylic propyl group starch by weight and stir 6min, 4 parts of lead glass powder are added in the process stirred, then 85 DEG C of insulated and stirred are done to water, add 7 parts of resol, 2 parts of mica powders and 7 parts of Silane coupling reagent KH-570s, raised temperature to 185 DEG C, 280 turns/min dispersed with stirring 4.5min, obtains material a; Mix after 11 parts of attapulgites 620 DEG C calcining 2.5h with material a, ball milling 1.5h, obtains modified phenolic resins.
Embodiment 5
A kind of water tolerance epoxy polyester powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12115 part, 65 parts, vibrin, butyl polyacrylate 55 parts, polyethylene 15 parts, Synolac 8 parts, Resorcinol 3 parts, polyvinyl ether 8 parts, gac 8 parts, nano silicon 8 parts, talcum powder 6 parts, aluminium nitride powder 7 parts, modified phenolic resins 4 parts, Silane coupling agent KH550 4 parts, 2 parts, solidifying agent, dimethyl siloxane 5 parts, ferric oxide 4 parts.
Wherein, modified phenolic resins is prepared in accordance with the following steps: be dissolved in 14 parts of water by 8 parts of carboxylic propyl group starch by weight and stir 14min, 3 parts of lead glass powder are added in the process stirred, then 115 DEG C of insulated and stirred are done to water, add 3 parts of resol, 3 parts of mica powders and 3 parts of Silane coupling reagent KH-570s, raised temperature to 195 DEG C, 220 turns/min dispersed with stirring 5.5min, obtains material a; Mix after 7 parts of attapulgites 680 DEG C calcining 1.5h with material a, ball milling 2.5h, obtains modified phenolic resins.
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. a water tolerance epoxy polyester powder coating, it is characterized in that, its raw material comprises by weight: epoxy resin E-1280-120 part, vibrin 60-80 part, butyl polyacrylate 40-60 part, polyethylene 10-30 part, Synolac 6-9 part, Resorcinol 2-8 part, polyvinyl ether 3-9 part, gac 7-15 part, nano silicon 3-9 part, talcum powder 5-15 part, aluminium nitride powder 2-8 part, modified phenolic resins 3-9 part, Silane coupling agent KH550 2-5 part, solidifying agent 1-6 part, dimethyl siloxane 2-6 part, ferric oxide 3-7 part.
2. water tolerance epoxy polyester powder coating according to claim 1, it is characterized in that, modified phenolic resins is prepared in accordance with the following steps: by carboxylic propyl group starch stirring soluble in water 5-15min, lead glass powder is added in the process stirred, then 80-120 DEG C of insulated and stirred is done to water, and add resol, mica powder and Silane coupling reagent KH-570, raised temperature is to 180-200 DEG C, 200-300 turns/min dispersed with stirring 4-6min, obtains material a; Mix after attapulgite 600-700 DEG C of calcining 1-3h with material a, ball milling 1-3h, obtains modified phenolic resins.
3. water tolerance epoxy polyester powder coating according to claim 1 and 2, it is characterized in that, in the preparation technology of modified phenolic resins, the weight ratio of attapulgite, carboxylic propyl group starch, mica powder, vibrin, Silane coupling reagent KH-570, lead glass powder is 6-12:6-9:1-4:2-8:2-8:2-5.
4. water tolerance epoxy polyester powder coating according to claim 3, is characterized in that, in the preparation technology of modified phenolic resins, the mass ratio of carboxylic propyl group starch and water is 1:2-3.
5. the water tolerance epoxy polyester powder coating according to any one of claim 1-4, it is characterized in that, the weight ratio of epoxy resin E-12, vibrin, butyl polyacrylate, polyethylene and Synolac is 85-115:65-75:45-55:15-25:7-8.
6. the water tolerance epoxy polyester powder coating according to any one of claim 1-5, is characterized in that, the weight ratio of Resorcinol and polyvinyl ether is 3-7:4-8.
7. the water tolerance epoxy polyester powder coating according to any one of claim 1-6, is characterized in that, the weight part of gac, nano silicon, talcum powder, aluminium nitride powder and modified phenolic resins is 8-14:4-8:6-14:3-7:4-8.
8. the water tolerance epoxy polyester powder coating according to any one of claim 1-7, is characterized in that, solidifying agent is one or more compositions in DDCM, THPA, HHPA and MNA.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510473884.7A CN105062311A (en) | 2015-07-31 | 2015-07-31 | Water-resistant epoxy polyester powdery paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510473884.7A CN105062311A (en) | 2015-07-31 | 2015-07-31 | Water-resistant epoxy polyester powdery paint |
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| CN105062311A true CN105062311A (en) | 2015-11-18 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109251637A (en) * | 2018-07-13 | 2019-01-22 | 湖州吴兴道场城乡建设发展有限公司 | A kind of high-impact water-proof polyester powdery paints and preparation method thereof |
| CN109439279A (en) * | 2018-11-03 | 2019-03-08 | 深圳市联昌盛塑胶颜料有限公司 | A kind of new modified materials that fire-proof high-temperature resistant adherence is high and its manufacturing method |
| PL424083A1 (en) * | 2017-12-27 | 2019-07-01 | Pietryka Renata Przedsiębiorstwo Wielobranżowe Mansard Bis | Hybrid compositions of polyester powder paints |
| CN112126323A (en) * | 2020-09-28 | 2020-12-25 | 湖南连心科技有限公司 | Electroplating-resistant powder coating and preparation method thereof |
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| CN104231687A (en) * | 2014-08-22 | 2014-12-24 | 安徽博大纤维素科技有限公司 | Oil-resistant powder paint |
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Patent Citations (5)
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| JP2005187543A (en) * | 2003-12-24 | 2005-07-14 | Kansai Paint Co Ltd | Thermosetting metallic powder coating composition and forming method of metallic powder coating film |
| CN101353544A (en) * | 2008-09-11 | 2009-01-28 | 浙江大学宁波理工学院 | Tough sintering epoxy powder coating and preparation thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| PL424083A1 (en) * | 2017-12-27 | 2019-07-01 | Pietryka Renata Przedsiębiorstwo Wielobranżowe Mansard Bis | Hybrid compositions of polyester powder paints |
| CN109251637A (en) * | 2018-07-13 | 2019-01-22 | 湖州吴兴道场城乡建设发展有限公司 | A kind of high-impact water-proof polyester powdery paints and preparation method thereof |
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| CN112126323A (en) * | 2020-09-28 | 2020-12-25 | 湖南连心科技有限公司 | Electroplating-resistant powder coating and preparation method thereof |
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Application publication date: 20151118 |