发明名称 |
METHOD FOR PREPARING POLYBENZOXAZOLE OR POLYBENZOTHIAZOLE FIBERS. |
摘要 |
<p>In a process for preparing polybenzoxazole or polybenzothiazole filaments by extruding a polybenzoxazole or polybenzothiazole dope, drawing the dope filament across an air gap, and coagulating the dope filament; the number of filament breaks can be reduced by placing a stress isolation device after extruding but before coagulating the filament.</p> |
申请公布号 |
MX9700904(A) |
申请公布日期 |
1998.04.30 |
申请号 |
MX19970000904 |
申请日期 |
1995.03.29 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
TIMOTHY L. FALEY;MICHAEL E. MILLS;YOSHIHIKO TERAMOTO;DOUGLAS E. TUREK;KAZUYUKI YABUKI |
分类号 |
D01D5/06;D01F6/74;(IPC1-7):D01F6/74 |
主分类号 |
D01D5/06 |
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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