Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1995-07-07
1997-12-02
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, 264 54, 521 79, 521 81, C08J 912, C08J 914
Patent
active
056936877
ABSTRACT:
Disclosed is an extruded, open-cell alkenyl aromatic polymer foam useful in insulating applications. The foam has an open cell content of about 30 to about 80 percent. The foam further has in minor dimension and cross-section of greater than 0.25 inches. The foam has a high heat distortion temperature, and is particularly useful in roofing applications. Further disclosed is a process for making the open-cell foam.
REFERENCES:
patent: 4532265 (1985-07-01), Park et al.
Imeokparia Daniel D.
Shmidt Creston D.
Suh Kyung W.
Dean Jr. J. Robert
Foelak Morton
The Dow Chemical Company
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