发明授权
US4959426A Epoxy resins prepared by co-curing fluorinated epoxy prepolymers and
non-fluorinated epoxy prepolymers
失效
通过共混固化氟化环氧预聚物和非氟化环氧预聚物制备的环氧树脂
- 专利标题: Epoxy resins prepared by co-curing fluorinated epoxy prepolymers and non-fluorinated epoxy prepolymers
- 专利标题(中): 通过共混固化氟化环氧预聚物和非氟化环氧预聚物制备的环氧树脂
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申请号: US267733申请日: 1988-11-03
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公开(公告)号: US4959426A公开(公告)日: 1990-09-25
- 发明人: Alberto Re , Marco De Giorgi
- 申请人: Alberto Re , Marco De Giorgi
- 申请人地址: ITX Milan
- 专利权人: Ausimont S.r.l.
- 当前专利权人: Ausimont S.r.l.
- 当前专利权人地址: ITX Milan
- 优先权: ITX22696A/86 19861216
- 主分类号: C08G59/20
- IPC分类号: C08G59/20 ; C08G59/00 ; C08G59/04 ; C08G59/22 ; C08G59/30 ; C08G59/38 ; C08L63/00
摘要:
A non-fluorinated epoxy prepolymer of known type is mixed with a fluorinated epoxy prepolymer containing perfluoropolyether blocks or perfluoroalkylene blocks of type --(CF.sub.2 CF.sub.2).sub.n -- and/or of type ##STR1## and the two prepolymers are co-cured by treating the mixture with cross-linking agents of known type suitable for epoxy resins, thereby obtaining a cross-linked epoxy resin having a fluorine content.ltoreq.30% by weight, preferably.ltoreq.25% by weight.
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