Freeze-dried polystyrene-polysiloxane foams

Details Freeze-dried polystyrene-polysiloxane foams Freeze-dried polystyrene-polysiloxane foams

1999-11-16

2000-10-24

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

525106, 528 25, 521139, 521146, 521154, C08J 926, C08J 928

Patent

active

061368725

ABSTRACT:
The present invention is a freeze-dried polystyrene-polysiloxane foam having a density of 0.05 to 0.8 grams per cubic centimeter and a void volume of 20 to 99 percent. These foams exhibit good compressibility and rebound and are useful in insulation and sound-deadening applications.

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patent: 4810570 (1989-03-01), Rutten et al.
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patent: 5618903 (1997-04-01), Hoxmeir et al.
patent: 5733538 (1998-03-01), Riffle
patent: 6020426 (2000-02-01), Yamaguchi et al.

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