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71.
公开(公告)号:US06518366B1
公开(公告)日:2003-02-11
申请号:US09937901
申请日:2001-10-01
申请人: Masaki Irie , Kazuyoshi Kawasaki , Mitsuru Kishine
发明人: Masaki Irie , Kazuyoshi Kawasaki , Mitsuru Kishine
IPC分类号: C08F818
CPC分类号: C08F8/00 , C08F8/30 , C08F214/18
摘要: To provide a solid fluoroelastomer having nitrile group at the end which gives a crosslinked product being excellent in heat resistance, solvent resistance, chemical resistance, compression set and cleanliness, and an economical process for preparation thereof. The process for preparing a nitrile group-containing fluoroelastomer by converting amide group contained in a polymer molecular chain of a solid fluoroelastomer into nitrile group in the presence of a dehydrating agent.
摘要翻译: 为了提供在末端具有腈基的固体含氟弹性体,其赋予耐热性,耐溶剂性,耐化学性,压缩永久变形和清洁性优异的交联产物及其制备的经济方法。 通过在脱水剂的存在下将固体含氟弹性体的聚合物分子链中所含的酰胺基团转化成腈基来制备含腈基的含氟弹性体的方法。