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高固体份含氟丙烯酸酯树脂的合成及性能研究
引用本文:张耀根,蒋海林.高固体份含氟丙烯酸酯树脂的合成及性能研究[J].广东化工,2012,39(9):80-82.
作者姓名:张耀根  蒋海林
作者单位:广东工业大学材料与能源学院,广东广州,510006
摘    要:通过丙烯酸酯类单体与含氟丙烯酸单体的溶液聚合,制备了高固体份低粘度的含氟多羟基丙烯酸树脂。讨论了反应温度、引发剂、氟单体、羟基值等因素对树脂分子量、黏度以及性能的影响。通过优化条件,结果表明制备的含氟丙烯酸树脂,数均分子量小于6000,分子量分布<1.5,羟基含量>30 mgKOH/g,高固体份低粘度特性显著。通过与固化剂N75按质量比1∶5配制成涂料,常温固化成膜后,测定其各项性能均优于普通丙烯酸聚氨酯树脂涂料。

关 键 词:高固体份  含氟丙烯酸树脂  溶液聚合  常温固化

Study of Synthesis and Characteristics of the High Solids Fluorine-containing Acrylic Resin
Zhang Yaogen,Jiang Hailin.Study of Synthesis and Characteristics of the High Solids Fluorine-containing Acrylic Resin[J].Guangdong Chemical Industry,2012,39(9):80-82.
Authors:Zhang Yaogen  Jiang Hailin
Affiliation:(Faculty of Materials and Energy,Guangdong University of Technology,Guangzhou 510006,China)
Abstract:A kind of fluorine hydroxyl acrylate resin is synthesized by solution free radical polymerization with acrylic monomers and fluoride acrylic monomers.The effects of polymerization temperature,type of initiators,fluoride monomers and hydroxyl value on molecular weight,viscosity and properties of the resin are researched.This fluorine hydroxyl acrylate resin with lower molecular weight(Mn6000,Mw/Mn1.5,hydroxyl content30 mg/g)can be obtained under the optimal reaction condition,which has obviously low viscosity and high solid content.With HDI(N75) as hardener,according to 1∶5,this resin coating is cured at room temperature,which performances are better than ordinary acrylic polyurethane resin coating.
Keywords:high solids  fluorine-containing acrylic resin  solution polymerization  ambient cure
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