Polyallyl alcohol gas barrier material

Details Polyallyl alcohol gas barrier material Polyallyl alcohol gas barrier material

1997-10-15

2000-08-01

Thibodeau, Paul

Stock material or miscellaneous articles

Hollow or container type article

Glass, ceramic, or sintered, fused, fired, or calcined metal...

428 366, 428 367, 428500, 428515, B29D 2200, B32B 2700, B32B 2708

Patent

active

06096393&

ABSTRACT:
A gas barrier material having an oxygen permeability of not higher than 30 ml.multidot.20 .mu.m/m.sup.2 .multidot.day.multidot.atm measured at 20.degree. C., 100% RH, which comprises a polymer containing not less than 30 mol % of repeating units of formula (1): ##STR1## wherein R.sup.1 is a C.sub.1-2 alkyl group, and R.sup.2 is hydrogen or a C.sub.1-3 alkyl group.
This gas barrier material exhibits very good gas barrier properties under conditions of high humidity, and it possesses superior clarity and melt moldability.

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patent: 5369188 (1994-11-01), Kim
H. Lenk, et al.; C-NMR Relaxation and Circular Dichroism of Tactic Polymethallyalcohol and Polymethallylurethane; Polymer Bulletin 3, pp. 521-528 (1980).

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