Enhanced barrier compositions from polyvinyl alcohol

Details Enhanced barrier compositions from polyvinyl alcohol Enhanced barrier compositions from polyvinyl alcohol

1985-06-17

1986-09-09

Schofer, Joseph L.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

524104, 524108, 524132, 524141, 524156, 524232, 524503, 525 56, C08K 543

Patent

active

046110194

ABSTRACT:
The addition of small amounts of selected polyamides or polyesters to plasticized, melt extrudable polyvinyl alcohol homopolymer provides a composition with lower permeability to oxygen and other fixed gases.

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