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Title:
LAMINATED POLYESTER FILM AND PRODUCTION THEREOF
Document Type and Number:
Japanese Patent JPH0724983
Kind Code:
A
Abstract:

PURPOSE: To improve transparency and antistatic properties and to further enhance rubbing-off resistance and solvent resistance by providing a laminating film based on a mixture of water-soluble copolyester and alkyl ether sulfate on at least the single surface of polyester.

CONSTITUTION: A laminating film based on a mixture of water-soluble copolyester and alkyl ether sulfate is provided on at least the single surface of a polyester film, pref., a film composed of ethylene terephthalate or ethylene naphthalate. As the water-soluble copolyester, it is pref. that at least 60mol% or more of the total dicarboxylic acid components is aromatic dicarboxylic acid and 7-40mol% thereof is an ester forming alkali metal sulfonate compd. By the use of the alkyl ether copolyester salt, antistatic properties are imparted while the excellent transparency, adhesiveness and rubbing-off resistance of water-soluble copolyester are kept.


Inventors:
TAKADA HAGUMU
MIMURA TAKASHI
Application Number:
JP1993000170356
Publication Date:
January 27, 1995
Filing Date:
July 09, 1993
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
B32B27/18; B32B27/36; C08J7/04; (IPC1-7): B32B27/36; B32B27/18; C08J7/04



 
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