一种低分子量带有羧基的聚丙烯酸酯丙烯酸树脂的制备和性质

doi:10.7517/j.issn.1674-0475.2010.03.182

影像科学与光化学 ›› 2010, Vol. 28 ›› Issue (3): 182-192.DOI: 10.7517/j.issn.1674-0475.2010.03.182

一种低分子量带有羧基的聚丙烯酸酯丙烯酸树脂的制备和性质

欧霄巍, 聂俊, 何勇

北京化工大学, 碳纤维及功能高分子教育部重点实验室, 北京市新型高分子材料制备与加工重点实验室, 北京, 100029

收稿日期:2010-01-08 修回日期:2010-02-08 出版日期:2010-05-23 发布日期:2010-05-23
通讯作者: 何勇,heyong@mail.buct.edu.cn,0106442131.
基金资助:
国家自然科学基金资助项目(50703003)

Preparation and Properties of Low Molecular Weight Polyacrylate Acrylic Resin Containing Carboxylic Group

OU Xiao-wei, NIE Jun, HE Yong

Key Laboratory of carbon fiber and functional polymers Ministry of Education andKey Laboratory of Beijing City on Preparation and Processing of Novel Polymer Materials, Beijing University of Chemical Technology, Beijing 100029, P. R. China

Received:2010-01-08 Revised:2010-02-08 Online:2010-05-23 Published:2010-05-23

摘要/Abstract

摘要： 制备了一种紫外光固化预聚物——带有羧基的低分子量聚丙烯酸酯丙烯酸树脂(Polyacrylate acrylic resin, PAAR).其主链由丙烯酸烷基酯和丙烯酸进行共聚而得,当采用丙烯酸甲酯、丙烯酸乙酯和丙烯酸(摩尔比1:1:1)作为共聚单体,引发剂AIBN为1.5%,链转移剂十二硫醇为2.5%时,聚合得到的聚丙烯酸酯(Polyacrylate, PA)分子量在1100-1400之间,多分散性小于2,反应速率快,转化率高;由这种PA和甲基丙烯酸缩水甘油酯(GMA)进行酯化反应,制备得到最终产物聚丙烯酸酯丙烯酸树脂,酯化率可以达到80%以上,其光固化膜具有较好的涂膜硬度和柔韧性,光泽度饱满.

关键词: 紫外光固化, 齐聚物, 聚丙烯酸酯

Abstract: A kind of low molecular weight polyacrylate acrylic resin (PAAR) containing carboxyl group was synthesized through simple method with high conversion and good mechanical and physical properties of cured film.Its main chain was prepared through copolymerization of alkylacrylate and acrylic acid and the result indicated that when methyl acrylate,ethyl acrylate and acrylic acid (molar ration 1:1:1) were used as monomers,with 1.5% initiator AIBN,2.5% chain transfer agent dodecanethiol,the molecular weight of polyacrylate (PA) was between 1100-1400 with the polydispersity index less than 2.Through esterification reaction between this kind of PA with Glycidyl methacrylete (GMA),the final product PAAR was obtained with more than 90% esterification conversion,and UV cured film exhibited satisfied hardness,glossy and flexibility.

Key words: UV-curing, oligomer, polyacrylate acrylic resin

中图分类号:

欧霄巍, 聂俊, 何勇. 一种低分子量带有羧基的聚丙烯酸酯丙烯酸树脂的制备和性质[J]. 影像科学与光化学, 2010, 28(3): 182-192.

OU Xiao-wei, NIE Jun, HE Yong. Preparation and Properties of Low Molecular Weight Polyacrylate Acrylic Resin Containing Carboxylic Group[J]. Imaging Science and Photochemistry, 2010, 28(3): 182-192.

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一种低分子量带有羧基的聚丙烯酸酯丙烯酸树脂的制备和性质

Preparation and Properties of Low Molecular Weight Polyacrylate Acrylic Resin Containing Carboxylic Group

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