Cyclized polyisoprene was synthsized from polyisoprene with p-toluenesulfonic acid as catalyst. 以聚异戊二烯为原料,在对甲苯磺酸的催化作用下制备环化聚异戊二烯。
This system was also used for isoprene polymerization.The cis-1,4 content of the polyisoprene obta-ined is about 95%. 体系也适用于异戊二烯的聚合,产物顺式-1,4含量在95%25左右。
Vulcanization character of trans 1, 4 - polyisoprene(TPI) and effect of vulcanization degree on mechanical properties of vulcanized TPI were studied. 研究了反式－1，4－聚异戊二烯（TPI）的硫化特性及硫化程度对其力学性能的影响。
The study on intramolecular cyclization of polyisoprene is reviewed and dissussed. The trend of the cyclization of polyisoprene is suggested. 本文对目前聚异戊二烯环化反应的研究作了概述与讨论,提出了聚异戊二烯环化反应研究的方向。
Vulcanization character of trans 1, 4- polyisoprene(TPI) and effect of vulcanization degree on mechanical properties of vulcanized TPI were studied. 研究了反式-1，4-聚异戊二烯（TPI）的硫化特性及硫化程度对其力学性能的影响。
The influence of sulfur level on the properties of trans 1,4 polyisoprene(TPI) after the transition from plastic polymer to elastic polymer was investigated. 研究了硫黄用量对反式 1,4 聚异戊二烯 (TPI)由塑性高聚物转变为弹性高聚物后性能的影响。
