Addition-type poly(norbornene)s with siloxane substituents: synthesis, properties and nanoporous membrane

被引：0
|
作者：
Hiroaki Tetsuka
Mamoru Hagiwara
Shojiro Kaita
机构：
[1] Silicone-Electronics Materials Research Center,
[2] Shin-Etsu Chemical Co. Ltd,undefined
[3] Matsuida-machi,undefined
[4] Annaka-shi,undefined
[5] RIKEN (The Institute of Physical and Chemical Research),undefined
[6] Wako,undefined
来源：
Polymer Journal | 2011年 / 43卷
关键词：
addition polymerization; palladium catalyst; poly(norbornene); porous membrane; siloxane substituents;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Addition-type poly(norbornene)s with siloxane substituents were synthesized using the (η3-Allyl)(η5-cyclopentadienyl)palladium/tricyclohexylphosphine/[Ph3C][B(C6F5)4] system. The obtained polymers had very high glass transition temperature of up to 255 °C, and their films displayed high mechanical flexibility. The incorporation of siloxane groups in the chain resulted in significant increase in the gas permeability of their films, and the polymers with branched siloxane groups showed high oxygen permeability (P(O2)=66–360 Barrer). In addition, poly(norbornene) membranes with a unique porous structure were prepared.[graphic not available: see fulltext]
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页码：97 / 100
页数：3
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