发明名称 |
Process for producing multifilaments |
摘要 |
A process for producing multifilaments which has the steps of: melt spinning a polyolefin at a first temperature; cooling the spun filaments with a first chill means which is of a non-contact type and is held at a second temperature; cooling the filaments at a third temperature with a second chill means which is of a contact type for forcibly cooling the filaments; and drawing continuously the filaments at high draw ratio in-line with heating rolls having a predetermined surface temperature so that the filaments cooled at the third temperature are directly and continuously treated by the heating rolls.
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申请公布号 |
US5283025(A) |
申请公布日期 |
1994.02.01 |
申请号 |
US19930000099 |
申请日期 |
1993.01.04 |
申请人 |
SHOWA DENKO KABUSHIKI KAISHA |
发明人 |
UDA, HITOSHI;TAKAHASHI, TETSUYA;KAMEI, RYOSUKE;SANO, TAKESHI |
分类号 |
D01D5/088;D01D5/16;D01F6/04;(IPC1-7):D01D5/088;D01D5/092;D01D5/096 |
主分类号 |
D01D5/088 |
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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