Extruded, open-cell microcellular alkenylaromatic polymer foams

Details Extruded, open-cell microcellular alkenylaromatic polymer foams Extruded, open-cell microcellular alkenylaromatic polymer foams

1997-01-06

1997-10-07

Foelak, Morton

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

Synthetic resins

Cellular products or processes of preparing a cellular...

264 50, 264 51, 521 81, 521 97, 521 98, 521146, C08J 914

Patent

active

056749163

ABSTRACT:
Disclosed is an extruded, open-cell microcellular alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 70 percent or more. The foam has an average cell size of about 70 micrometers or less. The foam is particularly useful in evacuated or vacuum insulation panels. Further disclosed is a process for making the open-cell foam.

REFERENCES:
patent: 4528221 (1985-07-01), Suzaki et al.
patent: 5286429 (1994-02-01), Blythe et al.

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