Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CYCLIC OLEFIN RESIN COMPOSITION, OPTICAL FILM AND RETARDATION PLATE USING THE COMPOSITION, AND THEIR PRODUCTION METHODS
Document Type and Number:
WIPO Patent Application WO/2008/015919
Kind Code:
A1
Abstract:
Disclosed is a resin composition containing a ring-opening copolymer (A) having a structural unit (1) derived from a cyclic olefin having a polar group and a hydrocarbon group and a structural unit (2) derived from an optionally substituted tricyclo[4.3.0.12,5]deca-3-ene or the like, and a ring-opening copolymer (B) having the structural unit (1) and a structural unit (3) derived from a cyclic olefin having no polar group. The resin composition is hardly gelatinized although it contains the ring-opening copolymer (A), which has been difficult to be filtered due to gelation. Consequently, the resin composition is excellent in filtering properties and suitably used for producing optical films and retardation plates. Also disclosed are an optical film and a retardation plate using the resin composition which are excellent in surface smoothness, and their production methods.

Inventors:
OKANIWA, Motoki (6-10 Tsukiji 5-chome, Chuo-k, Tokyo 45, 1040045, JP)
岡庭 求樹 (〒45 東京都中央区築地五丁目6番10号 JSR株式会社内 Tokyo, 1040045, JP)
SUWA, Yoshimi (6-10 Tsukiji 5-chome, Chuo-k, Tokyo 45, 1040045, JP)
諏訪 好 (〒45 東京都中央区築地五丁目6番10号 JSR株式会社内 Tokyo, 1040045, JP)
Application Number:
JP2007/064311
Publication Date:
February 07, 2008
Filing Date:
July 20, 2007
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
JSR CORPORATION (6-10, Tsukiji 5-chome Chuo-k, Tokyo 45, 1040045, JP)
JSR株式会社 (〒45 東京都中央区築地五丁目6番10号 Tokyo, 1040045, JP)
OKANIWA, Motoki (6-10 Tsukiji 5-chome, Chuo-k, Tokyo 45, 1040045, JP)
岡庭 求樹 (〒45 東京都中央区築地五丁目6番10号 JSR株式会社内 Tokyo, 1040045, JP)
SUWA, Yoshimi (6-10 Tsukiji 5-chome, Chuo-k, Tokyo 45, 1040045, JP)
International Classes:
C08L65/00; B29C41/24; B29C55/02; C08G61/08; G02B5/30; B29K45/00; B29L7/00; B29L11/00
Attorney, Agent or Firm:
SUZUKI, Shunichiro (S.SUZUKI & ASSOCIATES, Gotanda Yamazaki Bldg. 6F13-6, Nishigotanda 7-chom, Shinagawa-ku Tokyo 31, 1410031, JP)
Download PDF: