Polymeric blends of polyvinyl alcohol copolymers with copolymers

Details Polymeric blends of polyvinyl alcohol copolymers with copolymers Polymeric blends of polyvinyl alcohol copolymers with copolymers

1993-07-16

1994-11-08

Bleutge, John C.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525 56, 525 58, 525 59, 525 60, 525 61, 525205, C08G 6348, C08G 6391

Patent

active

053628039

ABSTRACT:
Polymers containing a high percentage of vinyl alcohol units, when treated with acid to remove impurities, may be blended with low levels of copolymers of alkyl methacrylates and N-vinyllactams or N-vinylamides, optionally containing copolymerized acid, and processed into sheet, film, fiber and other objects which exhibit a useful balance of barrier and strength properties.

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