| 发明名称 |
METHOD FOR TREATING POLYESTER |
| 摘要 |
PURPOSE:To reduce low mol.wt. components in a polyester by bringing the polyester into contact with an ultracritical fluid. CONSTITUTION:A polyester such as polyethylene terephthalate is brought into contact with an ultracritical fluid (preferably nitrogen, carbon dioxide or ethane) preferably under a pressure of >=400 atmospheres. |
| 申请公布号 |
JPH03146529(A) |
申请公布日期 |
1991.06.21 |
| 申请号 |
JP19890287122 |
申请日期 |
1989.11.01 |
| 申请人 |
TORAY IND INC |
发明人 |
KIMURA MASAHIRO;SAEKI TOMOJI;SUZUKI MASARU |
| 分类号 |
C08J3/00;B29C71/00;B29K67/00;C08J7/00;C08J7/02 |
主分类号 |
C08J3/00 |
| 代理机构 |
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代理人 |
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