Multilayer polymer materials with barrier properties

Details Multilayer polymer materials with barrier properties Multilayer polymer materials with barrier properties

1990-11-26

1992-12-15

Thibodeau, Paul J.

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

428 366, 428 367, 428517, 428519, 428521, 428522, 428523, B32B 2732

Patent

active

051716402

ABSTRACT:
Multilayer polymer material with barrier properties containing a layer (a) of a polymer with barrier properties and a layer (b) of copolymer of styrene and maleic anhydride.
The polymer of layer (a) is a copolymer of ethylene and vinyl alcohol and the said material also has a lyer (c) of a copolymer of ethylene containing units derived from an unsatured dicarboxylic acid anhydride and layer (c) is in contact with layer (a).

REFERENCES:
patent: 4254169 (1981-03-01), Schroeder
patent: 4481262 (1984-11-01), Shida et al.
patent: 4798750 (1989-01-01), Kersting

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