Expandable polypropylene interpolymer particles

Details Expandable polypropylene interpolymer particles Expandable polypropylene interpolymer particles

1986-08-11

1987-05-19

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

521 56, 521 60, 521139, C08J 918

Patent

active

046669469

ABSTRACT:
Blends of polypropylene-poly(vinyl aromatic monomer) interpolymer with certain polymers and/or rubbers can be impregnated with blowing agents to give products which can be expanded under atmospheric steam conditions to give low density, fine cell structure foam particles.

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patent: 4303756 (1981-12-01), Kajimura et al.
patent: 4303757 (1981-12-01), Kajimura et al.
patent: 4429059 (1984-01-01), Ozutsumi et al.
patent: 4622347 (1986-11-01), Fudge

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