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Patent Searching and Data


Title:
LAYERED FILM AND PROCESS FOR PRODUCING LAYERED FILM
Document Type and Number:
WIPO Patent Application WO/2003/047853
Kind Code:
A1
Abstract:
A layered film which comprises a thermoplastic resin film and, superposed on at least one side thereof, an overlay film at least 50 wt.% of which is accounted for by a composition (A) and a crosslinking agent (B), wherein the composition (A) comprises polythiophene and a polyanion or comprises a polythiophene derivative and a polyanion and the overlay film has a sea-island structure in which the crosslinking agent (B) is present in the composition (A). The layered film can have a high level of antistatic properties not influenced by moisture changes, which have not been attained hitherto. It is excellent also in transparency, water resistance, and abrasion resistance.

Inventors:
TAKADA YASUSHI (JP)
KUBOTA YURI (JP)
MIMURA TAKASHI (JP)
Application Number:
PCT/JP2002/012700
Publication Date:
June 12, 2003
Filing Date:
December 04, 2002
Export Citation:
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Assignee:
TORAY INDUSTRIES (JP)
TAKADA YASUSHI (JP)
KUBOTA YURI (JP)
MIMURA TAKASHI (JP)
International Classes:
B32B27/08; G03C1/795; G11B5/73; (IPC1-7): B32B27/00
Foreign References:
US5300575A1994-04-05
JPH08211555A1996-08-20
US5993694A1999-11-30
US5276102A1994-01-04
US5328961A1994-07-12
Other References:
See also references of EP 1452304A4
Attorney, Agent or Firm:
Sato, Kenji c/o Shiga, Branch (TORAY INTELLECTUAL PROPERTY EXPERTS CO. LTD., 1-1, Sonoyama 1-chom, Otsu-shi Shiga, JP)
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