Process for the manufacture of a grainy thermoplastic film, film according to this process, use of this film for the manufacture of an article and article thus produced

摘要

Method of mfg. thermoplastic film (I) grained on both sides, by passing thermoplastic material between two graining cylinders which consist essentially of metal with a high degree of hardness. Also claimed is the above thermoplastic film (I), an article for medical usage, and use of above thermoplastic film (I) for mfr. of article for medical usage