公开(公告)号：US4241189A

公开(公告)日：1980-12-23

申请号：US874390

申请日：1978-02-02

申请人： Neville M. Sheldon ,  Alfred Stern

发明人： Neville M. Sheldon ,  Alfred Stern

IPC分类号： B29C44/00 ,  B29C44/56 ,  B29C67/20 ,  C08L75/04 ,  C08J9/36 ,  B29D27/00

CPC分类号： B29C67/207 ,  B29C44/10 ,  B29L2031/504 ,  Y10S264/07 ,  Y10S521/918

摘要： A wear-resistant flexible sheet material, suitable for use as outer soles on footwear, is produced by pressing reconstituted polyurethane foam sheets in the substantial absence of air at temperatures above 150.degree. C. The sheets should have a density exceeding 15 lb/ft.sup.3 and are further densified by the hot pressing. The sheets are preferably pre-heated to 175.degree.-210.degree. C. and pressed under a pressure of 5 to 30 tons/ft.sup.2 for periods of up to 5 minutes. The sheets may be embossed or smooth surfaced and may contain pigments, plasticizers and other additives.

摘要翻译： 适合用作鞋类外鞋底的耐磨柔性片材通过在高于150℃的温度下在基本上没有空气的情况下压制复原的聚氨酯泡沫板来生产。片材应具有超过15lb / ft 3的密度， 通过热压进一步致密化。 优选将片材预热至175℃-210℃，并在5至30吨/ ft 2的压力下压制5分钟。 片材可以是浮雕或光滑的表面，并且可以含有颜料，增塑剂和其它添加剂。