Foamable composition using high density polyethylene

Details Foamable composition using high density polyethylene Foamable composition using high density polyethylene

1998-04-07

2000-05-30

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

79 81, 79134, 79 98, C08L 6700

Patent

active

060691832

ABSTRACT:
A polymeric composition for producing foam in which the polymeric composition comprises high density polyethylene, alkenyl aromatic polymer and, optionally, a resiliency modifier resin. The high density polyethylene is in an amount of from about 45 to about 90 weight percent of the polymeric composition. The high density polyethylene has a z-average molecular weight, M.sub.z, greater than about 1,000,000. The alkenyl aromatic polymer is in the amount of from about 3 to about 45 weight percent of the polymeric composition. The resiliency modifier resin is in the amount of from 0 to about 40 weight percent of the polymeric composition. The foam is produced in the absence of a significant amount of a stability control agent.

REFERENCES:
patent: 3432447 (1969-03-01), Patterson et al.
patent: 4255372 (1981-03-01), Kuhnel et al.
patent: 4515907 (1985-05-01), McCullough et al.
patent: 4644013 (1987-02-01), Fujie et al.
patent: 4847150 (1989-07-01), Takeda
patent: 5460818 (1995-10-01), Park et al.

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