Particulate polyolefin expansion molding material

Details Particulate polyolefin expansion molding material Particulate polyolefin expansion molding material

1984-09-21

1985-06-04

Foelak, Morton

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

427222, 521 57, 521 59, C08J 916

Patent

active

045214875

ABSTRACT:
A particulate polyolefin expansion molding material is disclosed. The material is comprised of a particulate polyolefin having a bulk density of 0.45 g/cc or more and a mean particle size of 150 to 2,000.mu., having provided on the surface thereof at least one layer comprising an expanding agent, a binder and a filler. The material can be used in producing expansion molded articles without first forming the material into pellets as is conventionally done.

REFERENCES:
patent: 4110273 (1978-08-01), Cobneu et al.
patent: 4331776 (1982-05-01), Gazonnet
patent: 4433029 (1984-02-01), Senda et al.
patent: 4463032 (1984-07-01), Arudt et al.

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