Poly(1-oxo-2-phenyl-trimethylene)(STCO) and poly(1-oxo-2-(4′-ethyl)phenyl-trimethylene) (ESTCO), two aromatic polyketones, are products of alternating copolymerization of carbon monoxide(CO) with styrene(St) and p-ethyl styrene(ESt), respectively, catalyzed by the transition metal Pd(Ⅱ) complexes.
聚(1-氧代-2-苯基丙撑)(STCO)和聚(1-氧代-2-(4′-乙基)苯基丙撑)(ESTCO)是一氧化碳(CO)分别与苯乙烯(S t)、对乙基苯乙烯(ES t)进行交替共聚合反应制备的两种芳香族聚酮。
The synthesis of p-ethoxystyrene:p-ethoxystyrene is an important intermediate of photoresist.
二、对乙氧基苯乙烯的合成的合成研究对乙氧基苯乙烯是重要的光致抗蚀剂中间体,本文以对溴苯乙醚为起始原料,经格式反应后再与乙醛反应制得粗品中间体对乙氧基苯基甲基甲醇,用乙酸乙酯萃取,减压蒸馏,收集91—94℃/5mmHg的馏分得目标化合物对乙氧基苯乙烯,产率超过40%。
A well-defined graft copolymer of styrene(St) and methyl methacrylate(MMA) was synthesized by atom transfer radical polymerization with CuCl/TMEDA as catalyst and the copolymer of styrene and p-chloromethyl styrene(p-CMS) as macroinitiator,which was synthesized by copolymerization of St and p-CMS with AIBN as initiator.
通过偶氮二异丁氰(AIBN)引发苯乙烯(St)与对氯甲基苯乙烯(p-CMS)共聚,合成了二元共聚物P(St-co-CMS),在氯化亚铜/四甲基乙二胺(CuC l/TMEDA)催化下,以此二元共聚物为大分子引发剂引发甲基丙烯酸甲酯(MMA)的原子转移自由基聚合(ATRP),成功地合成了结构明晰的以聚苯乙烯为主链、聚甲基丙烯酸甲酯为支链的接枝共聚物P(S-g-MMA)。
The hyperbranched poly(p-chloromethyl styrene) was prepared by combining atom transfer radical polymerization(ATRP) and self-condensing vinyl polymerization(SCVP).
将原子转移自由基聚合(ATRP)和自缩合乙烯基聚合(SCVP)结合,以对氯甲基苯乙烯p-CMS为引发单体进行ATRP反应,得到具有高支化结构的聚对氯甲基苯乙烯PCMS。
