Ionomers having improved low temperature properties

Details Ionomers having improved low temperature properties Ionomers having improved low temperature properties

1984-03-20

1987-09-01

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...

5253302, 525221, C08F 2200

Patent

active

046909818

ABSTRACT:
Ionomers of ethylene, unsaturated carboxylic acid and softening comonomer, e.g. alkyl acrylate and/or alkyl vinyl ether having improved low temperature properties are obtained by direct or graft copolymerization at a temperature of from about 100.degree. to about 200.degree. C., followed by neutralization of the carboxylic acid groups with metal ions, such ionomers being characterized by a low level of chain branching of up to about 5.5 chain branches/1000 backbone methylene units.

REFERENCES:
patent: 3264272 (1966-08-01), Rees
patent: 3454280 (1969-07-01), Harrison et al.
patent: 4173345 (1979-11-01), Pocklington
patent: 4174358 (1979-11-01), Epstein
patent: 4299744 (1981-11-01), Stewart
patent: 4346194 (1982-08-01), Roura

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