Polyester polyol which was used for polyurethane hot melt adhesives was synthesized by the condensation polymerization of adipic acid and ethanediol, butanediol, hexanediol.
以己二酸、乙二醇、丁二醇、己二醇为原料进行酯化、缩聚反应,以钛酸丁酯为催化剂,采用阶梯式升温方式,合成了聚氨酯热熔胶用已二酸系聚酯多元醇;考察了醇酸摩尔比、催化剂种类和用量以及反应条件(温度、时间、真空等)对酯化、缩聚反应的影响。
参考来源 - 热塑性聚氨酯热熔胶合成与性能研究Firstly, PPF was synthesized using condensation polymerization reaction of bis (1, 2-propyleneglycol) fumarate (BPGF) and characterized by FTIR, HNMR and GPC.
本文首先通过富马酸-1,2-丙二醇(BPGF)的缩合聚合反应合成了聚富马酸丙二醇酯。
参考来源 - 聚富马酸酯的合成与改性及其药物缓释性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
DCPD type unsaturated polyester resin prepared by using semi condensation polymerization method is proposed.
本文用半缩聚法合成双环戊二烯型不饱和聚酯树脂。
There are two main methods to synthesis PLA, condensation polymerization of lactic acid and ring-opening polymerization of lactide.
聚乳酸的合成主要有两种方法：乳酸直接缩聚和丙交酯的开环聚合。
There are two main methods to synthesis PLA, ring - opening polymerization of lactide and condensation polymerization of lactic acid.
聚乳酸的合成主要有两种方法：丙交酯的开环聚合和乳酸直接缩聚。
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