| 发明名称 |
Process for producing an oriented shaped article |
| 摘要 |
A process for producing an oriented shaped article that comprises the steps of (a) forming a shaped article comprising a block copolymer comprising 75% to 90% by weight of polyethylene terephthalate blocks and 10% to 25% by weight of polyethylene isophthalate blocks and (b) biaxially stretching the shaped article to a planar stretch ratio of 10 to 30.
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| 申请公布号 |
US6476180(B1) |
申请公布日期 |
2002.11.05 |
| 申请号 |
US20010998538 |
申请日期 |
2001.11.30 |
| 申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
KAPUR VIVEK;LEFFEW KENNETH WAYNE;RAJENDRAN GOVINDASAMY PARAMASIVAM |
| 分类号 |
C08G63/183;C08G63/80;C08J5/18;C08L67/02;(IPC1-7):C08G63/02 |
主分类号 |
C08G63/183 |
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