发明授权
- 专利标题: Sandwich structure comprising outer films having low permeability to hydrocarbons
- 专利标题(中): 三明治结构包括对烃具有低渗透性的外部膜
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申请号: US229420申请日: 1999-01-12
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公开(公告)号: US06068934A公开(公告)日: 2000-05-30
- 发明人: Franck Vandekerckhove , Alain Bouilloux , Regis Jacquemet , Bruno Echalier
- 申请人: Franck Vandekerckhove , Alain Bouilloux , Regis Jacquemet , Bruno Echalier
- 申请人地址: FRX Paris
- 专利权人: Elf Atochem S.A.
- 当前专利权人: Elf Atochem S.A.
- 当前专利权人地址: FRX Paris
- 优先权: FRX9600735 19960123
- 主分类号: B32B27/00
- IPC分类号: B32B27/00 ; B29C33/68 ; B29C43/20 ; B29C43/34 ; B29C70/50 ; B29K105/06 ; B32B27/08 ; B32B27/30 ; B32B27/32 ; B32B27/34 ; C08L23/00 ; C08L77/00 ; C08L77/06
摘要:
The present invention provides a sheet molding compound consisting in a sandwich structure comprising a central layer of reinforced uncured heat hardenable sheet molding compound; and two outer layers of a release film having low permeability to hydrocarbons comprising at least one layer (i) of a polyamide/polyolefin alloy having a polyamide matrix and at least one layer (ii) of a polyolefin.
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