Polyester ether film

Details Polyester ether film Polyester ether film

1998-12-01

1999-09-28

Acquah, Samuel A.

Stock material or miscellaneous articles

Structurally defined web or sheet

Including components having same physical characteristic in...

528300, 528301, 528302, 528308, 5283086, 428213, 428220, B32B 702, C08G 6366

Patent

active

059585676

ABSTRACT:
The present invention relates to a polyester ether film comprising a polyester ether comprising a dicarboxylic acid moiety comprising principally terephthalic acid, its ester derivative or a mixture thereof, and a diol moiety comprising principally tetramethylene glycol and polytetramethylene oxide glycol, the percentage of the polytetramethylene oxide glycol residue in said polyester ether being 1 to 30% by weight based on the weight of said polyester ether.

REFERENCES:
patent: 3890279 (1975-06-01), Wolfe, Jr.
patent: 4124653 (1978-11-01), Whitlock
patent: 4524165 (1985-06-01), Musser et al.
patent: 5447783 (1995-09-01), Horn

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