Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1990-02-14
1995-02-14
Mulcahy, Peter D.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524293, 524296, 524299, 524505, C08K 509
Patent
active
053897110
ABSTRACT:
The present invention provides an aromatic acid, a salt of an aromatic acid, anhydride of an aromatic acid, or mixtures thereof in which at least 50 percent of the carbon atoms are in aromatic rings and which have a melting point above about 100.degree. C. as a plasticizer for polyvinyl aromatic polymers which are functionalized by grafting salt functional groups onto the polyvinyl aromatic blocks. When such a polymer is plasticized with the aromatic acid, salt of an aromatic acid or anhydride of an aromatic acid of this invention, the polymer retains excellent high temperature physical properties.
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Gerlowski Leonard E.
Westbrook Paul A.
Mulcahy Peter D.
Shell Oil Company
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