| 发明名称 |
RECOVERY OF 2,6-NAPHTHALENE DICARBOXYLIC ACID FROM POLYESTERS |
| 摘要 |
This invention concerns a method for recycling polyesters comprising the hydrolysis of polyesters containing repeat units derived from 2,6-naphthalene dicarboxylic acid in the presence of a carboxylic acid which gives pure 2,6-naphthalene dicarboxylic acid suitable for use a monomer.
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| 申请公布号 |
WO9916738(B1) |
申请公布日期 |
1999.05.14 |
| 申请号 |
WO1998US20504 |
申请日期 |
1998.09.30 |
| 申请人 |
E.I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
WAGGONER, MARION, GLEN;SAMUELS, MICHAEL, ROBERT |
| 分类号 |
C07C51/09;C07C51/347;C07C63/38;(IPC1-7):C07C51/09 |
主分类号 |
C07C51/09 |
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