发明名称 |
PROCESS FOR PRODUCING THERMOPLASTIC RESIN MOLDING |
摘要 |
A polyglycolic acid resin is used as a forming aid to efficiently produce various shapes, such as porous film, ultrafine fiber, ultrafine film and porous hollow fiber, of shaped products of substantially water-insoluble thermoplastic resins. More specifically, a shaped composite of the polyglycolic acid resin and the substantially water-insoluble thermoplastic resin is caused to contact an aqueous medium, thereby selectively removing the polyglycolic acid resin through solvolysis and extraction to leave a shaped product of the remaining thermoplastic resin. A glycolic acid aqueous produced by the solvolysis and extraction can be recycled into the polyglycolic acid resin as a forming aid via the formation of a concentrated glycolic acid oligomer and glycolide. |
申请公布号 |
EP1657277(A1) |
申请公布日期 |
2006.05.17 |
申请号 |
EP20040734892 |
申请日期 |
2004.05.26 |
申请人 |
KUREHA CORPORATION |
发明人 |
YAMANE, KAZUYUKI,;MIZUNO, TOSHIYA;KAWAKAMI, YUKICHIKA;SUZUKI, SHIRO;YAMANOBE, YOICHIRO;HOSOKAWA, TOSHIO;KATSURAO, TAKUMI |
分类号 |
D01F6/92;(IPC1-7):C08J9/26;D06M11/05;D06M13/144;D01D5/24 |
主分类号 |
D01F6/92 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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