申请人:Showa Shell Sekiyu Kabushiki Kaisha
公开号:EP0463932A1
公开(公告)日:1992-01-02
Linear aromatic copolyamides having good processability, superior thermal stability and excellent mechanical properties are provided which comprises 10-90 mole% of a repeating unit of
⁅NH-R₁-NHCO-Ar-CO⁆
and 90 - 10 mole% of a repeating unti of
wherein R₁ and R₂ each is a C₄₋₁₂ aliphatic alkylene and Ar is phenylene, naphthylene or
wherein Y is a group which is selected from a group consisting of 1,4-phenylene group, 2,6-naphthylene group, 1,5-naphtylene group,
and a process for producing them.
线性芳香族共聚多酰胺具有良好的加工性、优异的热稳定性和出色的机械性能,其中包含 10-90 摩尔%的下列物质的重复单元
⁅NH-R₁-NHCO-Ar-CO⁆
和 90 - 10 摩尔%的重复单元为
其中R₁和R₂各自为C₄₋₁₂脂族亚烷基,Ar为亚苯基、萘或
其中 Y 是选自 1,4-亚苯基、2,6-萘基、1,5-萘基的基团、
及其生产工艺。