Title:
PROCESS FOR MANUFACTURING OPTICAL FILM
Document Type and Number:
Japanese Patent JP2002332361
Kind Code:
A
Abstract:
To provide a process for manufacturing an optical film showing excellent optical characteristics such as transparency, surface smoothness.
The process for manufacturing the optical film comprises a step wherein a pre-blend resin is obtained by blending two kinds of thermoplastic resins with a softening point difference of ≥30°C, and a step wherein the pre-blend resin is processed into a film.
Inventors:
TAKEDA MITSUYUKI
KONOO YUTAKA
KONOO YUTAKA
Application Number:
JP2001141672A
Publication Date:
November 22, 2002
Filing Date:
May 11, 2001
Export Citation:
Assignee:
KANEGAFUCHI CHEMICAL IND
International Classes:
G02B5/30; B29B7/40; B29B7/46; C08J3/20; C08J5/18; C08L35/00; G02B1/04; G02F1/1335; B29K101/12; (IPC1-7): C08J3/20; B29B7/40; B29B7/46; C08J5/18; C08L35/00; G02B1/04; G02B5/30; G02F1/1335
Attorney, Agent or Firm:
Kusumoto Takayoshi
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