Articles that include a polymer foam and method for preparing sa

Details Articles that include a polymer foam and method for preparing sa Articles that include a polymer foam and method for preparing sa

1998-07-31

2000-08-15

Jones, Deborah

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

264 459, 4283135, 4283173, 4283179, B32B 326

Patent

active

061031526

ABSTRACT:
Polymer foam articles having a substantially smooth surface prepared by melt-mixing a polymer composition and a plurality of microspheres, at least one of which is an expandable polymeric microsphere, under process conditions, including temperature and shear rate, selected to form an expandable extrudable composition; and extruding the composition through a die.

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Cobbs, W., "Foaming of Hot Melts", pp. 103-115.

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