发明授权
- 专利标题: Anisotropic dopes of aromatic polyamides
- 专利标题(中): 芳香族聚酰胺的各向异性涂料
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申请号: US594130申请日: 1975-07-08
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公开(公告)号: US4018735A公开(公告)日: 1977-04-19
- 发明人: Yasuo Nakagawa , Takashi Noma , Hiroshi Mera
- 申请人: Yasuo Nakagawa , Takashi Noma , Hiroshi Mera
- 申请人地址: JA Osaka
- 专利权人: Teijin Limited
- 当前专利权人: Teijin Limited
- 当前专利权人地址: JA Osaka
- 优先权: JA49-78163 19740710
- 主分类号: C08L77/00
- IPC分类号: C08L77/00 ; C08G69/12 ; C08G69/32 ; C08J3/02 ; C08L79/00 ; C08L79/04 ; D01F6/80 ; C08K3/16 ; C08K5/20 ; C08K5/21 ; C08K5/36
摘要:
An anisotropic aromatic polyamide dope comprising more than 10% by weight of an aromatic polyamide and a solvent for the polyamide, said polyamide consisting essentially of, at least 5 mole% but less than 35 moles%, based on its entire units, of an only partially p-oriented structural unit expressed by the following formula ##STR1## wherein Ar.sup.1 is a divalent aromatic ring whose chain-extending bonds are coaxial or parallel, X is a member selected from the group consisting of O, S and NH, and the NH group bonded to the benzene ring of the above benzoxazole, benzothiazole or benzimidazole ring is meta or para to the carbon atom of said benzene ring.
公开/授权文献
- US5619009A Smoke bomb case 公开/授权日:1997-04-08
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