Polyethylenic foaming compositions and molded foams

Details Polyethylenic foaming compositions and molded foams Polyethylenic foaming compositions and molded foams

1996-02-29

1996-11-19

Foelak, Morton

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

156 78, 156 79, 4283175, 4283193, 4283199, B29D 2200, B32B 712, B32B 518

Patent

active

055760805

ABSTRACT:
The present invention provides a polyethylenic foaming composition comprising (a) 100 parts by weight of an ethylenic copolymer having glycidyl groups consisting of 20 to 99.9% by weight of ethylene units, 0.1 to 30% by weight of a unit of a glycidyl ester of an unsaturated carboxylic acid or an unsaturated glycidyl ether, and 0 to 50% by weight of ethylenically unsaturated ester units other than a glycidyl ester, (b) 0.1 to 30 parts by weight of a carboxylic acid having 2 or more carboxyl groups and a molecular weight of 1500 or less, and (c) 0.1 to 20 parts by weight of a foaming agent of a thermal decomposition type. The present invention also provides a polyethylenic foam molded from said foaming composition. In addition, the present invention provides a molded composite foam having a foam layer molded from a powder of said foaming composition and a non-foam layer molded from a composition powder containing a certain thermoplastic elastomer, as well as a multilayer molded article containing said molded composite foam.
According to the present inventive polyethylenic foaming composition, a foam having excellent lightness in weight, excellent cleanness, uniformly foamed cells, high expansion ratio, and excellent impact resilience can be obtained.

REFERENCES:
patent: 4554293 (1985-11-01), Park
patent: 4581383 (1986-04-01), Park

Affiliated with

Also associated with

Rating

Polyethylenic foaming compositions and molded foams does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polyethylenic foaming compositions and molded foams, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polyethylenic foaming compositions and molded foams will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-539381