发明名称 |
Process for treating plastic product |
摘要 |
A process for decomposing a thermoplastic polymer composition which comprises a polyhydroxycarboxylic acid base polymer as a primary component in an alkaline solution, recovering hydroxycarboxylic acid from the solution by electrodialysis or acid-precipitation and using the recovered hydroxycarboxylic acid for a polymer material, when desired, is provided.
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申请公布号 |
US5780704(A) |
申请公布日期 |
1998.07.14 |
申请号 |
US19930068085 |
申请日期 |
1993.05.28 |
申请人 |
MITSUI CHEMICALS, INC. |
发明人 |
AJIOKA, MASANOBU;ENOMOTO, KATASHI;YAMAGUCHI, AKIHIRO;SUZUKI, KAZUHIKO |
分类号 |
C07C51/09;(IPC1-7):A62D3/00 |
主分类号 |
C07C51/09 |
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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