Biaxially drawn laminated films prepared by sequential stretchin

Plastic and nonmetallic article shaping or treating: processes – Disparate treatment of article subsequent to working,... – Effecting temperature change

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Details

156229, 15624424, 156324, 156496, 2642105, 2642107, 264346, 264DIG73, 4284763, B29C 5514, B29C 5526

Patent

active

046907920

ABSTRACT:
A biaxially drawn laminated films having a good oxygen barrier property, a good mechanical strength and high thickness uniformity are made by a process comprising:

REFERENCES:
patent: 3419654 (1968-12-01), Chiba et al.
patent: 3652759 (1972-03-01), Schlemmer et al.

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