| 发明名称 |
METHOD FOR ELIMINATING THE WHITE POWDER OF POLYESTER CHIP |
| 摘要 |
A polyester chip including a white powder is infiltrated through methanol or the complex solvent of methanol and chloroform(CHCl3), and floats or stirs inert gas to precipitate polyester chips and then separates white powder from an equivalent liquid, and obtains polyester chips and dries them.
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| 申请公布号 |
KR0130612(B1) |
申请公布日期 |
1998.04.07 |
| 申请号 |
KR19940012513 |
申请日期 |
1994.06.03 |
| 申请人 |
KOLON IND. INC. |
发明人 |
LEE, HAK-SOO;KIM, YOUNG-JOON;JUNG, WOO-WON |
| 分类号 |
C08G63/78;C08G63/88;C08G63/90;C08J3/12;(IPC1-7):C08G63/90 |
主分类号 |
C08G63/78 |
| 代理机构 |
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