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
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