Synthesis, characterization, and thermal properties of diacrylic/divinylbenzene copolymers
作者:Beata Podkościelna、Marta Worzakowska
DOI:10.1007/s10973-009-0574-6
日期:2010.7
In this article, synthesis, characterization, and thermal properties of diacrylic/divinylbenzene copolymers based on the new aromatic tetrafunctional acrylate monomers are presented. The new monomers were generated by treatment of epoxides derived from various aromatic diols: naphthalene-2,3-diol (NAF), biphenyl-4,4′-diol (BIF), bis(4-hydroxyphenyl)methanone (BEP) or 4,4′-thiodiphenol (BES), and epichlorohydrin
本文介绍了基于新型芳族四官能丙烯酸酯单体的二丙烯酸/二乙烯基苯共聚物的合成,表征和热性能。通过处理衍生自各种芳族二醇的环氧化物生成新的单体:萘-2,3-二醇(NAF),联苯-4,4'-二醇(BIF),双(4-羟苯基)甲酮(BEP)或4 ,4'-硫代双酚(BES)和环氧氯丙烷与丙烯酸。在0.7重量%的三乙基苄基氯化铵(TEBAC)作为催化剂和0.045重量%的对苯二酚作为聚合抑制剂的存在下,以0.5摩尔合适的环氧衍生物和1摩尔丙烯酸的比例进行加成反应。制备的丙烯酸酯单体的化学结构由13确定1 H NMR和GC MS光谱。在成孔稀释剂(甲苯+ decan-1-ol)存在下,丙烯酸酯单体与二乙烯基苯(DVB)的乳液悬浮聚合可以得到含有侧基官能团(羟基)的微球。该过程在丙烯酸酯单体:DVB(1:1)的恒定摩尔比和成孔稀释剂与单体(1:1)的恒定体积比下进行。与十烷-1-醇的混合物中不同浓度的甲苯用