发明名称 |
MOLEKULARORIENTIEREND VERSTRECKBARE FILAMENTE ODER FASERN AUS POLYESTER, VERFAHREN ZU IHRER HERSTELLUNG SOWIE IHRE VERWENDUNG |
摘要 |
Filaments of polyester or fibres produced therefrom drawable with molecular orientation and having a double refraction of from 0.004 to approximately 0.12 and an individual denier of less than 2.5 dtex. In a process for the production such filaments undrawn filaments are permanently plastically extended while being passed through a water bath kept at a temperature of from 93 to 100 DEG C and are then extended in a ratio of at least 1:3. The take-off rate is not more than 2500 metres per minute. Such filaments can be used in the production of bulky mixed fibre yarns and non-woven fabrics. |
申请公布号 |
DE2824500(A1) |
申请公布日期 |
1979.12.13 |
申请号 |
DE19782824500 |
申请日期 |
1978.06.03 |
申请人 |
AKZO GMBH |
发明人 |
STAPP,HANS |
分类号 |
D01F11/08;D01F6/62;D02G1/18;D04H1/42;D04H1/435;D04H1/55;D04H3/011;D04H3/16;(IPC1-7):D01D5/12 |
主分类号 |
D01F11/08 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|