首页|环氧改性水性醇酸氨基烤漆的合成及其应用

环氧改性水性醇酸氨基烤漆的合成及其应用

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以环氧树脂为改性剂,采用回流溶剂法合成环氧改性水性醇酸树脂,对产物进行了红外表征和粒径分布测试,并用透射电镜进行拍摄观察.研究表明:当环氧树脂用量为10.6％～15.2％,终点酸值为30～40 mgKOH/g,制备出的改性水性醇酸树脂其漆膜的附着力、硬度、耐冲击性、耐溶剂性良好.用环氧改性水性醇酸树脂作甲组分,高甲醚化三聚氰胺甲醛树脂作乙组分,配制双组分醇酸氨基烤漆,当醇酸树脂与氨基树脂质量比为2∶1时,漆膜性能优良.
Preparation and Application of Epoxy-Modified Waterborne Alkyd Amino-Baking Coatings
An epoxy-modified waterborne alkyd resin was prepared by reflux solvent method,wherein the epoxy resin was used as a modifier.The structure of the alkyd resin was characterized by means of FT-IR,the particle size distribution and TEM.The results showed that the cured film of the epoxy-modified alkyd resin exhibited good adhesion,hardness,impact resistance and solvent resistance when the content of epoxy resin was 10.6％～ 15.2％ and the terminal acid value was 30-40 mg KOH/g.A 2K alkyd amino-baking coating system was prepared by using the epoxy-modified waterborne alkyd resin as composition A and high methylated melamine-formaldehyde resin as composition B.When the mass ratio of alkyd resin and amino resin was 2 ∶ 1,the properties of the resulted film were improved.

epoxy-modifiedwaterborne alkyd resinhigh methylated melamine-formaldehyde resinamino-baking coatings

来水利、于金凤、王晶丽、罗曼、吴亚娟

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教育部轻化工助剂化学与技术重点实验室,陕西科技大学,西安710021

环氧改性 水性醇酸树脂 高甲醚化三聚氰胺甲醛树脂 氨基烤漆

陕西省科技攻关项目陕西省教育厅项目咸阳市科技计划项目榆林市科技计划项目

2015SF26612JS0162012k05-02

2016

涂料工业
中海油常州涂料化工研究院中国化工学会涂料涂装专业委员会

涂料工业

CSTPCDCSCD北大核心
影响因子：0.66
ISSN：0253-4312
年,卷(期)：2016.46(1)
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