Flexible, biaxially oriented films of modified poly (ethylene te

Details Flexible, biaxially oriented films of modified poly (ethylene te Flexible, biaxially oriented films of modified poly (ethylene te

1988-09-19

1990-05-29

Kight, III, John

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

5282953, 5282955, 528300, 528302, 528303, 528304, 528306, 5283086, 525437, 2641761, C08G 6302

Patent

active

049297147

ABSTRACT:
Disclosed are flexible, biaxially oriented films of poly(ethylene terephthalate) modified with a long chain dibasic acid or glycol. This material is useful in packaging applications where resistance to flex cracking is important.

REFERENCES:
patent: 3091600 (1963-05-01), Caldwell et al.
patent: 3907926 (1975-09-01), Brown et al.

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