Title:
TREATMENT OF POLYMERIC MATERIAL
Document Type and Number:
Japanese Patent JPS53141371
Kind Code:
A
Abstract:
PURPOSE: To improve the transparency and thermal stability of a polymeric material by treating the material of molecularly-oriented state at high temperature and pressure followed by returning it to the atmosphere of ordinary state.
Inventors:
MIYATA SEIZOU
YANAMI JIYOUJI
YOSHINO AKIRA
NIKI ATSUSHI
SAITOU TAKANORI
MATSUMURA YUKIHIRO
KIRA MASAAKI
YAMAGUCHI KANEYA
YANAMI JIYOUJI
YOSHINO AKIRA
NIKI ATSUSHI
SAITOU TAKANORI
MATSUMURA YUKIHIRO
KIRA MASAAKI
YAMAGUCHI KANEYA
Application Number:
JP5550077A
Publication Date:
December 09, 1978
Filing Date:
May 16, 1977
Export Citation:
Assignee:
SHOWA DENKO KK
MIYATA SEIZOU
MIYATA SEIZOU
International Classes:
B29C71/00; B29C49/00; B29C55/00; B29C55/18; B29D1/00; (IPC1-7): B29C25/00; B29D7/24