Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Cellular products or processes of preparing a cellular...
Patent
1997-07-15
1999-03-30
Foelak, Morton
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Cellular products or processes of preparing a cellular...
521 59, 521 79, 521 81, C08J 900, C08J 914
Patent
active
058890696
ABSTRACT:
Foamed polymeric materials exhibiting improved heat resistant properties and improved mechanical properties, as compared with known foamed styrene polymer materials, are obtained by expanding a polymer blend including a syndiotactic styrene polymer and an amount of an amorphous polymeric material which will impart enhanced heat resistant properties to the blend.
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Imeokparia Daniel D.
Platt Alan E.
Shmidt Creston D.
Suh Kyung W.
Wessel Thomas E.
Foelak Morton
The Dow Chemical Company
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