Process for preparing silk-like polyester yarn专利检索-制作人造长丝或类似物的一般方法专利检索查询-专利查询网

Process for preparing silk-like polyester yarn
申请号	US3705225D	申请日	1971-06-01	公开(公告)号	US3705225A	公开(公告)日	1972-12-05
申请人	DU PONT;			发明人	TAYLOR ROBERT EDWARD;
摘要	A SILK-LIKE APPEARANCE IS PROVIDED IN FABRIC BY POLYESTER YARN PREPARED BY MELT-SPINNING BRIGHT POLYMER CONTAINING SURFACE-MODIFYING AGENT THROUGH NON-ROUND SPINNERET ORIFICES TO PRODUCE ROUGH-SURFACEED FILAMENTS OF DIFFERENT CROSS-SECTIONS, AND DRAWING THE FILAMENTS TO 0.75-1.5 DENIER WITH A PART BEING SUBJECTED TO CONDITIONS DIFFERENT FROM OTHER FILAMENTS TO IMPART DIFFERENTIAL SHRINKABILITY. ALTERNATIVELY A DIFFERENT POLYMER COMPOSITION IS USED IN PART OF THE FILAMENTS TO IMPART DIFFERENTIAL SHRINKABILITY.
权利要求
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