CN105062309A - Weatherproof epoxy powdery paint - Google Patents
Weatherproof epoxy powdery paint Download PDFInfo
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- CN105062309A CN105062309A CN201510473863.5A CN201510473863A CN105062309A CN 105062309 A CN105062309 A CN 105062309A CN 201510473863 A CN201510473863 A CN 201510473863A CN 105062309 A CN105062309 A CN 105062309A
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Abstract
The invention discloses weatherproof epoxy powdery paint. The weatherproof epoxy powdery paint comprises, by weight, 80-120 parts of epoxy resin E-12, 60-90 parts of phenolic resin, 60-90 parts of organosilicon-modified polyester resin, 20-40 parts of bentonite, 5-15 parts of ultrafine light calcium carbonate, 6-9 parts of titanium dioxide, 8-12 parts of silica, 3-9 parts of zinc powder, 2-8 parts of carbon black, 1-5 parts of aluminum powder, 2-4 parts of powdered steatile, 3-6 parts of methyl cellulose, 5-9 parts of modified polyvinyl chloride resin, 6-8 parts of dibutyltin dilaurate, 2-8 parts of a silane coupling agent KH550, 1-5 parts of a curing agent and 2-6 parts of a leveling agent. The powdery paint has excellent adhesion, hardness, chemical resistance, physical and mechanical properties and excellent weatherability.
Description
Technical field
The present invention relates to paint field, particularly relate to a kind of Weather-resistant epoxy 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.
Powder coating of the prior art is mostly powder thermosetting, and the weathering resistance of thermosetting powder coating(s) is poor, and sticking power is not strong, easily comes off for a long time and variable color.
Summary of the invention
For solving the technical problem existed in background technology, the present invention proposes a kind of Weather-resistant epoxy powder coating.
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1280-120 part, resol 60-90 part, silicone modified polyester resin 60-90 part, wilkinite 20-40 part, superfine light calcium carbonate 5-15 part, titanium dioxide 6-9 part, silicon-dioxide 8-12 part, zinc powder 3-9 part, carbon black 2-8 part, aluminium powder 1-5 part, talcum powder 2-4 part, methylcellulose gum 3-6 part, modified PVC resin 5-9 part, dibutyl tin dilaurate 6-8 part, Silane coupling agent KH550 2-8 part, solidifying agent 1-5 part, flow agent 2-6 part.
Preferably, modified PVC resin is prepared by following technique: by stirring 30-40min soluble in water for hydroxyethylamyle, jade powder is added in the process stirred, then 100-120 DEG C of insulated and stirred is done to water, add polyvinyl chloride (PVC) RESINS, silane coupling agent KH570 and mica powder, raised temperature turns/min dispersed with stirring 4-6min to 180-200 DEG C, 200-300, obtains material a; Mix after attapulgite 700-800 DEG C of calcining 2-3h with material a, ball milling 1-2h, obtains modified PVC resin.
Preferably, in the preparation technology of modified PVC resin, the weight ratio of hydroxyethylamyle, attapulgite, polyvinyl chloride (PVC) RESINS, jade powder, mica powder, silane coupling agent KH570 is 40-60:10-30:2-8:3-9:6-12:2-8.
Preferably, the weight ratio of epoxy resin E-12, resol and silicone modified polyester resin is 85-115:65-85:65-85.
Preferably, the weight ratio of wilkinite, superfine light calcium carbonate, titanium dioxide, silicon-dioxide, zinc powder, carbon black, aluminium powder, talcum powder and methylcellulose gum is 25-35:8-12:7-8:9-11:4-8:3-7:2-4:2.5-3.5:3.5-5.5.
Preferably, solidifying agent is one or more compositions in DDCM, THPA, HHPA and MNA.
Preferably, flow agent is dimethyl siloxane.
Preparation method of the present invention, comprise: epoxy resin E-12, resol, silicone modified polyester resin, wilkinite, superfine light calcium carbonate, titanium dioxide, silicon-dioxide, zinc powder, carbon black, aluminium powder, talcum powder, methylcellulose gum, modified PVC resin, dibutyl tin dilaurate, Silane coupling agent KH550, solidifying agent and flow agent 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 Weather-resistant epoxy powder coating.
In the present invention, with epoxy resin E-12, resol and silicone modified polyester resin for major ingredient, the ratio between conservative control three, effectively improves the weather resistance of coating; The wilkinite added, superfine light calcium carbonate, titanium dioxide, silicon-dioxide, zinc powder, carbon black, aluminium powder, talcum powder and methylcellulose gum effectively can improve wear resisting property and the water resistance of coating, and then effectively improve the weather resistance of powder coating; The modified PVC resin added is obtained by hydroxyethylamyle, attapulgite, polyvinyl chloride (PVC) RESINS, jade powder, mica powder and silane coupling agent KH570, utilize the hydroxyl of hydroxyethylamyle and the multilayer chip structure of attapulgite, by silane coupling agent KH570 by soft to polyvinyl chloride (PVC) RESINS, jade powder, mica powder, hydroxyethylamyle and attapulgite, corrosion-resistant, the wear resistance of polyvinyl chloride (PVC) RESINS and water tolerance are all effectively improved, make modified PVC resin have good over-all properties, also effectively improve the over-all properties of coating.
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, 100 parts, 105 parts, 110 parts, 115 parts, 120 parts; The weight part of resol can be 60 parts, 62 parts, 64 parts, 66 parts, 68 parts, 70 parts, 72 parts, 74 parts, 76 parts, 78 parts, 80 parts, 82 parts, 84 parts, 86 parts, 88 parts, 90 parts; The weight part of silicone modified polyester resin can be 60 parts, 62 parts, 64 parts, 66 parts, 68 parts, 70 parts, 72 parts, 74 parts, 76 parts, 78 parts, 80 parts, 82 parts, 84 parts, 86 parts, 88 parts, 90 parts; Bentonitic weight part can be 20 parts, 22 parts, 24 parts, 26 parts, 28 parts, 30 parts, 32 parts, 34 parts, 36 parts, 38 parts, 40 parts; The weight part of superfine light calcium carbonate can be able to can be 8 parts, 9 parts, 10 parts, 11 parts, 12 parts for the weight part of 6-9 part, silicon-dioxide for the weight part of 5-15 part, titanium dioxide; The weight part of zinc powder can be 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of carbon black can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of aluminium powder can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; Talcous weight part can be 2 parts, 2.5 parts, 3 parts, 3.5 parts, 4 parts; The weight part of methylcellulose gum can be 3 parts, 3.5 parts, 4 parts, 4.5 parts, 5 parts, 5.5 parts, 6 parts; The weight part of modified PVC resin can be 5 parts, 6 parts, 7 parts, 8 parts, 9 parts; The weight part of dibutyl tin dilaurate can be 6 parts, 6.5 parts, 7 parts, 7.5 parts, 8 parts; The weight part of Silane coupling agent KH550 can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts, 7 parts, 8 parts; The weight part of solidifying agent can be 1 part, 2 parts, 3 parts, 4 parts, 5 parts; The weight part of flow agent can be 2 parts, 3 parts, 4 parts, 5 parts, 6 parts.
Embodiment 1
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1280 part, 90 parts, resol, silicone modified polyester resin 60 parts, wilkinite 40 parts, superfine light calcium carbonate 5 parts, titanium dioxide 9 parts, silicon-dioxide 8 parts, zinc powder 9 parts, carbon black 2 parts, aluminium powder 5 parts, talcum powder 2 parts, methylcellulose gum 6 parts, modified PVC resin 5 parts, dibutyl tin dilaurate 8 parts, Silane coupling agent KH550 2 parts, DDCM5 part, dimethyl siloxane 2 parts.
Wherein, modified PVC resin is prepared by following technique: by weight by 50 parts of hydroxyethylamyle stirring soluble in water 35min, 6 parts of jade powder are added in the process stirred, then 110 DEG C of insulated and stirred are done to water, add 5 parts of polyvinyl chloride (PVC) RESINS, 5 parts of silane coupling agent KH570 and 9 part mica powders, raised temperature to 190 DEG C, 250 turns/min dispersed with stirring 5min, obtains material a; Mix after 20 parts of attapulgites 750 DEG C calcining 2.5h with material a, ball milling 1.5h, obtains modified PVC resin.
Embodiment 2
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12120 part, 60 parts, resol, silicone modified polyester resin 90 parts, wilkinite 20 parts, superfine light calcium carbonate 15 parts, titanium dioxide 6 parts, silica 12 parts, zinc powder 3 parts, carbon black 8 parts, aluminium powder 1 part, talcum powder 4 parts, methylcellulose gum 3 parts, modified PVC resin 9 parts, dibutyl tin dilaurate 6 parts, Silane coupling agent KH550 8 parts, THPA1 part, dimethyl siloxane 6 parts.
Wherein, modified PVC resin is prepared by following technique: by weight by 40 parts of hydroxyethylamyle stirring soluble in water 40min, 3 parts of jade powder are added in the process stirred, then 120 DEG C of insulated and stirred are done to water, add 2 parts of polyvinyl chloride (PVC) RESINS, 8 parts of silane coupling agent KH570 and 6 part mica powders, raised temperature to 200 DEG C, 200 turns/min dispersed with stirring 6min, obtains material a; Mix after 10 parts of attapulgites 800 DEG C calcining 2h with material a, ball milling 2h, obtains modified PVC resin.
Embodiment 3
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12120 part, 60 parts, resol, silicone modified polyester resin 90 parts, wilkinite 20 parts, superfine light calcium carbonate 15 parts, titanium dioxide 6 parts, silica 12 parts, zinc powder 3 parts, carbon black 8 parts, aluminium powder 1 part, talcum powder 4 parts, methylcellulose gum 3 parts, modified PVC resin 9 parts, dibutyl tin dilaurate 6 parts, Silane coupling agent KH550 8 parts, HHPA1 part, dimethyl siloxane 6 parts.
Wherein, modified PVC resin is prepared by following technique: by weight by 60 parts of hydroxyethylamyle stirring soluble in water 30min, 9 parts of jade powder are added in the process stirred, then 100 DEG C of insulated and stirred are done to water, add 8 parts of polyvinyl chloride (PVC) RESINS, 2 parts of silane coupling agent KH570 and 12 part mica powders, raised temperature to 180 DEG C, 300 turns/min dispersed with stirring 4min, obtains material a; Mix after 30 parts of attapulgites 700 DEG C calcining 3h with material a, ball milling 1h, obtains modified PVC resin.
Embodiment 4
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-1285 part, 85 parts, resol, silicone modified polyester resin 65 parts, wilkinite 35 parts, superfine light calcium carbonate 8 parts, titanium dioxide 8 parts, silicon-dioxide 9 parts, zinc powder 8 parts, carbon black 3 parts, aluminium powder 4 parts, talcum powder 2.5 parts, methylcellulose gum 5.5 parts, modified PVC resin 6 parts, dibutyl tin dilaurate 7.5 parts, Silane coupling agent KH550 3 parts, MNA4 part, dimethyl siloxane 3 parts.
Wherein, modified PVC resin is prepared by following technique: by weight by 45 parts of hydroxyethylamyle stirring soluble in water 38min, 4 parts of jade powder are added in the process stirred, then 115 DEG C of insulated and stirred are done to water, add 3 parts of polyvinyl chloride (PVC) RESINS, 7 parts of silane coupling agent KH570 and 7 part mica powders, raised temperature to 195 DEG C, 220 turns/min dispersed with stirring 5.5min, obtains material a; Mix after 15 parts of attapulgites 780 DEG C calcining 2.2h with material a, ball milling 1.8h, obtains modified PVC resin.
Embodiment 5
A kind of Weather-resistant epoxy powder coating that the present invention proposes, its raw material comprises by weight: epoxy resin E-12115 part, 65 parts, resol, silicone modified polyester resin 85 parts, wilkinite 25 parts, superfine light calcium carbonate 12 parts, titanium dioxide 7 parts, silica 11 part, zinc powder 4 parts, carbon black 7 parts, aluminium powder 2 parts, talcum powder 3.5 parts, methylcellulose gum 3.5 parts, modified PVC resin 8 parts, dibutyl tin dilaurate 6.8 parts, Silane coupling agent KH550 7 parts, THPA2 part, dimethyl siloxane 5 parts.
Wherein, modified PVC resin is prepared by following technique: by weight by 55 parts of hydroxyethylamyle stirring soluble in water 32min, 8 parts of jade powder are added in the process stirred, then 105 DEG C of insulated and stirred are done to water, add 7 parts of polyvinyl chloride (PVC) RESINS, 3 parts of silane coupling agent KH570 and 11 part mica powders, raised temperature to 185 DEG C, 280 turns/min dispersed with stirring 4.5min, obtains material a; Mix after 25 parts of attapulgites 720 DEG C calcining 2.8h with material a, ball milling 1.2h, obtains modified PVC resin.
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 (7)
1. a Weather-resistant epoxy powder coating, it is characterized in that, its raw material comprises by weight: epoxy resin E-1280-120 part, resol 60-90 part, silicone modified polyester resin 60-90 part, wilkinite 20-40 part, superfine light calcium carbonate 5-15 part, titanium dioxide 6-9 part, silicon-dioxide 8-12 part, zinc powder 3-9 part, carbon black 2-8 part, aluminium powder 1-5 part, talcum powder 2-4 part, methylcellulose gum 3-6 part, modified PVC resin 5-9 part, dibutyl tin dilaurate 6-8 part, Silane coupling agent KH550 2-8 part, solidifying agent 1-5 part, flow agent 2-6 part.
2. Weather-resistant epoxy powder coating according to claim 1, it is characterized in that, modified PVC resin is prepared by following technique: by stirring 30-40min soluble in water for hydroxyethylamyle, jade powder is added in the process stirred, then 100-120 DEG C of insulated and stirred is done to water, and add polyvinyl chloride (PVC) RESINS, silane coupling agent KH570 and mica powder, raised temperature is to 180-200 DEG C, 200-300 turns/min dispersed with stirring 4-6min, obtains material a; Mix after attapulgite 700-800 DEG C of calcining 2-3h with material a, ball milling 1-2h, obtains modified PVC resin.
3. Weather-resistant epoxy powder coating according to claim 1 and 2, it is characterized in that, in the preparation technology of modified PVC resin, the weight ratio of hydroxyethylamyle, attapulgite, polyvinyl chloride (PVC) RESINS, jade powder, mica powder, silane coupling agent KH570 is 40-60:10-30:2-8:3-9:6-12:2-8.
4. the Weather-resistant epoxy powder coating according to any one of claim 1-3, is characterized in that, the weight ratio of epoxy resin E-12, resol and silicone modified polyester resin is 85-115:65-85:65-85.
5. the Weather-resistant epoxy powder coating according to any one of claim 1-4, it is characterized in that, the weight ratio of wilkinite, superfine light calcium carbonate, titanium dioxide, silicon-dioxide, zinc powder, carbon black, aluminium powder, talcum powder and methylcellulose gum is 25-35:8-12:7-8:9-11:4-8:3-7:2-4:2.5-3.5:3.5-5.5.
6. the Weather-resistant epoxy powder coating according to any one of claim 1-5, is characterized in that, solidifying agent is one or more compositions in DDCM, THPA, HHPA and MNA.
7. the Weather-resistant epoxy powder coating according to any one of claim 1-6, is characterized in that, flow agent is dimethyl siloxane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510473863.5A CN105062309A (en) | 2015-07-31 | 2015-07-31 | Weatherproof epoxy powdery paint |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510473863.5A CN105062309A (en) | 2015-07-31 | 2015-07-31 | Weatherproof epoxy powdery paint |
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| CN105062309A true CN105062309A (en) | 2015-11-18 |
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| CN201510473863.5A Pending CN105062309A (en) | 2015-07-31 | 2015-07-31 | Weatherproof epoxy powdery paint |
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Cited By (8)
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| CN105754450A (en) * | 2015-12-14 | 2016-07-13 | 浙江华彩化工有限公司 | Aluminum metal powder coating and preparation method thereof |
| CN105860782A (en) * | 2016-06-08 | 2016-08-17 | 合肥市燕美粉末涂料有限公司 | Powder coating for induction cooker panel and preparation method of powder coating |
| CN106047059A (en) * | 2016-06-08 | 2016-10-26 | 合肥市燕美粉末涂料有限公司 | Powder coating with good weather resistance and method for preparing powder coating |
| CN106590295A (en) * | 2016-11-07 | 2017-04-26 | 芜湖市鸿坤汽车零部件有限公司 | Silane modified antibacterial leather coating and preparation method thereof |
| CN109401565A (en) * | 2018-09-26 | 2019-03-01 | 洛阳双瑞防腐工程技术有限公司 | Organic-inorganic nano composite resin, low prepared surface powdery paints and preparation and application |
| PL424083A1 (en) * | 2017-12-27 | 2019-07-01 | Pietryka Renata Przedsiębiorstwo Wielobranżowe Mansard Bis | Hybrid compositions of polyester powder paints |
| CN111607315A (en) * | 2020-06-30 | 2020-09-01 | 江苏达美瑞新材料有限公司 | Production process of high-wear-resistance polyester resin powder coating |
| CN116694193A (en) * | 2023-06-05 | 2023-09-05 | 浙江捷宇新材料科技股份有限公司 | High weather-resistant and high chemical corrosion-resistant epoxy powder coating and preparation method thereof |
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| CN116694193B (en) * | 2023-06-05 | 2024-01-23 | 浙江捷宇新材料科技股份有限公司 | High weather-resistant and high chemical corrosion-resistant epoxy powder coating and preparation method thereof |
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Application publication date: 20151118 |
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