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Title:
MODIFIED POLYESTER AND FILM THEREOF
Document Type and Number:
Japanese Patent JPH0641409
Kind Code:
A
Abstract:

PURPOSE: To obtain the modified polyester excellent in bondability, transparency, and recovery from curling by incorporating given amounts of specific compounds into a polyester.

CONSTITUTION: The polymer comprises a polyester [e.g., poly(ethylene terephthalate)] and, incorporated therein, 1-30wt.% ester-forming alkali metal sulfonate compound (e.g., dimethyl 5-sodiumsulfoisophthalate) and 1-20wt.% polyoxyakylene glycol represented by the formula (wherein R is a 1-3C alkyl; p is 1-3; n is 2-4; and m is 4 or larger) [e.g. poly(1,2-propylene glycol)].


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Inventors:
SHIMIZU YUZO
HIRANO TAKUMI
SUZUKI MASARU
Application Number:
JP124591A
Publication Date:
February 15, 1994
Filing Date:
January 09, 1991
Export Citation:
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Assignee:
TORAY INDUSTRIES
International Classes:
B29C55/12; C08J5/18; C08K5/42; C08L67/00; C08L67/02; B29K67/00; B29L7/00; (IPC1-7): C08L67/02; B29C55/12; C08J5/18; C08K5/42



 
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