Ethylenic polymer foams having improved dimensional stability

Details Ethylenic polymer foams having improved dimensional stability Ethylenic polymer foams having improved dimensional stability

1980-07-07

1982-05-25

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 53, 264DIG5, 521 81, 521 98, 521910, 525221, C08L 2306

Patent

active

043317790

ABSTRACT:
The dimensional stability of relatively unstable substantially closed-cell low density foams of non-ionic ethylenic polymers (e.g., polyethylene, ethylene/vinyl acetate copolymers, etc.) can be notably improved by the incorporation therein (during the preparation thereof) of from about 5 to about 95 weight percent (based on total polymer weight) of a copolymer of ethylene with from about 3 to about 45 weight percent of a monoethylenically unsaturated carboxylic acid.

REFERENCES:
patent: 3248359 (1966-04-01), Maloney
patent: 3437718 (1969-04-01), Rees
patent: 3696059 (1972-10-01), Hosoda et al.
patent: 3711430 (1973-01-01), Rubens
patent: 4102829 (1978-07-01), Watanahi et al.
patent: 4203815 (1980-05-01), Noda et al.
patent: 4215202 (1980-07-01), Park

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