Stock material or miscellaneous articles – Surface property or characteristic of web – sheet or block
Patent
1975-12-18
1977-08-09
Ansher, Harold
Stock material or miscellaneous articles
Surface property or characteristic of web, sheet or block
428480, 428482, 428910, B32B 2736, B32B 710, B32B 3120, B32B 3126
Patent
active
040412067
ABSTRACT:
Laminated polyester film having a base layer of biaxially oriented polyethylene terephthalate or polybutylene terephthalate is laminated directly by heat sealing and without the use of any intervening adhesive with a crystalline butylene terephthalate or hexylene terephthalate copolyester blended with from about 10 to 40 weight % of a polyethylene terephthalate or polybutylene terephthalate, said copolyester containing about from 50 to about 80 mole % of terephthalic acid units based on the total acid component of the copolyester.
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Ikeuchi Hiroyuki
Soda Atsuhiko
Sugioka Masanao
Tanaka Michihiko
Tsunashima Kenji
Ansher Harold
Toray Industries Inc.
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