发明名称 |
Process for preparing low denier filaments with high elongation and those filaments |
摘要 |
Fine denier filaments having a high elongation at break of a blend polypropylene and polystyrene are made by forming an intimate blend using a twin screw extruder and then spinning the blend.
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申请公布号 |
US5616412(A) |
申请公布日期 |
1997.04.01 |
申请号 |
US19960661510 |
申请日期 |
1996.06.11 |
申请人 |
E. I. DU PONT DE NEMOURS AND COMPANY |
发明人 |
LIN, PERRY H. |
分类号 |
D01F6/46;(IPC1-7):D07G3/00 |
主分类号 |
D01F6/46 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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