CN104387882A - 耐候汽车粉末涂料 - Google Patents

耐候汽车粉末涂料 Download PDF

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Publication number
CN104387882A
CN104387882A CN201410733110.9A CN201410733110A CN104387882A CN 104387882 A CN104387882 A CN 104387882A CN 201410733110 A CN201410733110 A CN 201410733110A CN 104387882 A CN104387882 A CN 104387882A
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parts
powder coating
weather
organosilicon
proof automotive
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李永志
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    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/036—Stabilisers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/03—Powdery paints
    • C09D5/033—Powdery paints characterised by the additives
    • C09D5/037—Rheology improving agents, e.g. flow control agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20—Oxides; Hydroxides
    • C08K3/22—Oxides; Hydroxides of metals
    • C08K2003/2237—Oxides; Hydroxides of metals of titanium
    • C08K2003/2241—Titanium dioxide
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend

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  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Paints Or Removers (AREA)

Abstract

本发明公开了一种耐候汽车粉末涂料，按重量份数计，由50-60份的硅丙树脂、1-2份环氧树脂、10-20份钛白粉、2-5份铁红、1-5份有机硅、0.8-2份固化剂、0.5-1份稳定剂和2-3份流平剂组成。本发明的涂料的韧性好，耐候性好。

Description

耐候汽车粉末涂料
技术领域
本发明涉及汽车粉末涂料。
背景技术
     目前，随着全球工业的飞速发展，造成的环境问题也日益突出。如何开展环境保护工作已成为亟待人们研究的重要课题。环境意识强烈的一些西方国家已经开发研究出具有低挥发性有机物的汽车涂料，并大量投入生产和运用。随着汽车行业的不断发展，为了美化汽车的涂膜外观，减轻其造成的环境污染，改进汽车喷涂技术显得尤为重要。
对于汽车粉末涂料来说，粉末涂料的细度在10至80微米之间能达到的效果是最好的，且其分布范围越窄，产生的效果越好。
发明内容
为了使粉末涂料的耐候性好，提高粉末涂料的韧性，本发明提供了一种耐候汽车粉末涂料。
为达到上述目的，耐候汽车粉末涂料，按重量份数计，由50-60份的硅丙树脂、1-2份环氧树脂、10-20份钛白粉、2-5份铁红、1-5份有机硅、0.8-2份固化剂、0.5-1份稳定剂和2-3份流平剂组成。
进一步的，所述的固化剂为脂肪族聚酰胺型胺。
进一步的，所述的稳定剂为N-取代的大环三嗪-HALS。
进一步的，所述的流平剂选用二甲基硅氧烷。
本发明的有益效果是：加入有机硅既能降低环氧树脂内应力，又能改善环氧树脂韧性、耐高温性等性能，从而使粉末涂料的韧性和耐高温性能好；在本发明中，硅丙树脂与有机硅的作用，能提高涂料的耐候性。
具体实施方式
下面结合具体实施方式对本发明进行进一步详细说明。
耐候汽车粉末涂料，按重量份数计，由50-60份的硅丙树脂、1-2份环氧树脂、10-20份钛白粉、2-5份铁红、1-5份有机硅、0.8-2份固化剂、0.5-1份稳定剂和2-3份流平剂组成。所述的固化剂为脂肪族聚酰胺型胺。所述的稳定剂为N-取代的大环三嗪-HALS。所述的流平剂选用二甲基硅氧烷。
实施例1。
耐候汽车粉末涂料的制备方法，包括以下步骤，
（1）按重量份数计，将50份的硅丙树脂、1份环氧树脂、10份钛白粉、2份铁红、1份有机硅、0.8份固化剂、0.5份稳定剂和2份流平剂混合均匀。
（2）采用双螺杆挤出机在100℃ -120℃挤压成型，通过粉碎后得到粉末涂料。
实施例2。
耐候汽车粉末涂料的制备方法，包括以下步骤，
（1）按重量份数计，将60份的硅丙树脂、2份环氧树脂、20份钛白粉、5份铁红、5份有机硅、2份固化剂、1份稳定剂和3份流平剂混合均匀。
（2）采用双螺杆挤出机在100℃ -120℃挤压成型，通过粉碎后得到粉末涂料。
实施例3。
耐候汽车粉末涂料的制备方法，包括以下步骤，
（1）按重量份数计，将55份的硅丙树脂、1.5份环氧树脂、15份钛白粉、4份铁红、3份有机硅、1.3份固化剂、0.8份稳定剂和2.5份流平剂混合均匀。
（2）采用双螺杆挤出机在100℃ -120℃挤压成型，通过粉碎后得到粉末涂料。
本发明的粉末涂料，加入有机硅既能降低环氧树脂内应力，又能改善环氧树脂韧性、耐高温性等性能，从而使粉末涂料的韧性和耐高温性能好；在本发明中，硅丙树脂与有机硅的作用，能提高涂料的耐候性。

Claims (4)

1.耐候汽车粉末涂料，其特征在于：按重量份数计，由50-60份的硅丙树脂、1-2份环氧树脂、10-20份钛白粉、2-5份铁红、1-5份有机硅、0.8-2份固化剂、0.5-1份稳定剂和2-3份流平剂组成。
2.根据权利要求1所述的耐候汽车粉末涂料，其特征在于：所述的固化剂为脂肪族聚酰胺型胺。
3.根据权利要求1所述的耐候汽车粉末涂料，其特征在于：所述的稳定剂为N-取代的大环三嗪-HALS。
4.根据权利要求1所述的耐候汽车粉末涂料，其特征在于：所述的流平剂选用二甲基硅氧烷。
CN201410733110.9A 2014-12-07 2014-12-07 耐候汽车粉末涂料 Pending CN104387882A (zh)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1139137A (zh) * 1994-12-28 1997-01-01 三井东压化学株式会社 粉末涂料组合物
EP1419205A1 (en) * 2001-06-08 2004-05-19 E.I. Du Pont De Nemours And Company Low gloss free radical powder coatings
CN1528842A (zh) * 2003-10-14 2004-09-15 广州擎天粉末涂料实业有限公司 一种丙烯酸透明粉末涂料
CN103773182A (zh) * 2014-01-23 2014-05-07 安徽师范大学 一种具有高表面硬度和流平性的粉末涂料

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1139137A (zh) * 1994-12-28 1997-01-01 三井东压化学株式会社 粉末涂料组合物
EP1419205A1 (en) * 2001-06-08 2004-05-19 E.I. Du Pont De Nemours And Company Low gloss free radical powder coatings
CN1528842A (zh) * 2003-10-14 2004-09-15 广州擎天粉末涂料实业有限公司 一种丙烯酸透明粉末涂料
CN103773182A (zh) * 2014-01-23 2014-05-07 安徽师范大学 一种具有高表面硬度和流平性的粉末涂料

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