| 摘要 |
<p>1,217,887. Void-free monofilaments. E. I. DU PONT DE NEMOURS & CO. 14 Feb., 1968 [17 Feb., 1967; 6 Oct., 1967], No. 7286/68. Heading B5B. [Also in Division C3] Void-free monofilaments of diameter above 25 mil may be drawn, at a ratio of 3À5 or more, from a composition consisting of nylon 66, 610, 66/610, 66/6 or 610/6 and 1 to 10 wt. per cent LiCI, LiBr or LiI. The filaments are melt-spun, quenched in cool water, and drawn in a two-stage system of draw rolls and draw heaters.</p> |
