| 发明名称 |
PROCESS FOR THE CONTINUOUS PRODUCTION OF HIGH MOLECULAR WEIGHT POLYESTER RESIN |
| 摘要 |
A process for the fast upgrading of a PET resin comprises the extrusion of a low molecular weight PET with a dianhydride of an aromatic tetracarboxylic acid. The molten product is pelletized and fed to a solid state polycondensation reactor. |
| 申请公布号 |
ZA9008176(B) |
申请公布日期 |
1991.08.28 |
| 申请号 |
ZA19900008176 |
申请日期 |
1990.10.12 |
| 申请人 |
PHOBOS N.V. |
发明人 |
GUIDO GHISOLFI |
| 分类号 |
B29C47/92;B29B9/06;B29B17/00;B29B17/04;B29C47/00;B29K67/00;C08G63/20;C08G63/78;C08G63/80;C08J11/06 |
主分类号 |
B29C47/92 |
| 代理机构 |
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代理人 |
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| 地址 |
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