Saponified ethylene-vinyl acetate copolymers improved in behavio

Details Saponified ethylene-vinyl acetate copolymers improved in behavio Saponified ethylene-vinyl acetate copolymers improved in behavio

1981-05-12

1983-01-04

Levin, Stanford M.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

524295, 524296, 524321, 524413, 525 60, 525 62, 528485, 528486, 528487, 528496, C08L 2904

Patent

active

043673058

ABSTRACT:
A saponified ethylene-vinyl acetate copolymer composition, improved in behavior in the molten state, which comprises: a saponified ethylene-vinyl acetate copolymer, with an ethylene content of 20-80 mole percent and a saponification degree of at least 85 percent, and 0.00005 to 0.005 percent by weight, based on said copolymer, of manganese, copper or mixtures thereof; said composition, when extracted with pure water, giving an acidic extract, is disclosed, along with a method of making the same.

REFERENCES:
patent: 3510464 (1970-05-01), Sato et al.
patent: 4041223 (1977-08-01), Amemiya et al.
patent: 4140668 (1979-02-01), Sumi et al.

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