Method for obtaining low densities with particulate expandable p

Details Method for obtaining low densities with particulate expandable p Method for obtaining low densities with particulate expandable p

1984-09-24

1986-04-01

Anderson, Philip

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

By gas forming or expanding

264DIG9, 264DIG15, 425 4R, B29C 6722, C08J 922

Patent

active

045797013

ABSTRACT:
Low density expanded polystyrene is obtained by extended exposure of particles to atmospheric steam and aging the particles in air. Particles have wrinkled cell walls.

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