公开(公告)号：US3794547A

公开(公告)日：1974-02-26

申请号：US3794547D

申请日：1971-12-06

Applicant: UNITIKA LTD

Inventor： KUGA M ,  MASHIMO T ,  TSURUTA M

IPC: B29C55/00 ,  B29C55/16 ,  B29C71/00 ,  B29D7/01 ,  B32B27/16

CPC classification number: B29C55/00 ,  B29C55/16 ,  B29C71/00 ,  B29D7/01 ,  B29K2077/00 ,  Y10S428/91

Abstract: THIS INVENTION RELATES TO VERY THIN POLYAMIDE FILMS HAVING HIGH PURITY AND TRANSPARENCY, HIGH TENSILE STRENGTH, AND OTHER IMPROVED PROPERTIES.

公开(公告)号：US3740246A

公开(公告)日：1973-06-19

申请号：US3740246D

申请日：1971-01-11

Applicant: UNITIKA LTD

Inventor： KUGA M ,  YOSHIOKA A ,  IWASAKI T ,  KYO K

IPC: B32B27/00 ,  C08J7/04 ,  B44D1/32

CPC classification number: C08J7/047 ,  B32B27/00 ,  C08J2377/00

Abstract: THE PRESENT INVENTION RELATES TO IMPROVED POLYAMIDE FILMS FORMED BY THE PROCESS UTILIZING A CONCURRENT BIAXIAL DRAWING TECHNIQUE, FOLLOWED BY HEAT-SETTING OF THE DRAWN FILM WITH SIMULTANEOUS CURING OF A RESIN COMPOSITION APPLIED TO THE FILM SURFACE WHICH IS OF A HEAT-SETTING AND HYDROPHOBIC NATURE.