| 发明名称 |
Process for the production of polyester fiber |
| 摘要 |
Stretching polyester tows at a speed greater than 150 m/min., wherein more than 85 mol percent of the recurring units are units of ethylene terephthalate, is carried out at a stretch ratio satisfying the formula -1.58LOG( DELTA N x 103) + 4.18 </= DR </= -2.32log( DELTA n x 103) + 5.
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| 申请公布号 |
US4105740(A) |
申请公布日期 |
1978.08.08 |
| 申请号 |
US19740536644 |
申请日期 |
1974.12.26 |
| 申请人 |
TOYO BOSEKI KABUSHIKI KAISHA |
发明人 |
YASUDA, HIROSHI;TANI, KATSUYA;NAGATAMO, JIRO |
| 分类号 |
D01F6/62;D02J1/22;(IPC1-7):D02J1/22 |
主分类号 |
D01F6/62 |
| 代理机构 |
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代理人 |
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| 地址 |
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