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
1991-09-05
1993-03-02
Hoke, Veronica P.
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...
428518, 524337, 524338, 524147, 524399, 525239, C08K 5524, C08K 509
Patent
active
051910071
ABSTRACT:
Polyvinyl chloride compositions as well as flexible sheets and swimming pool liners of such compositions which contain significant quantities of an ultra high molecular weight polyvinyl chloride resin together with a heat stabilizer, plasticizer and optional additives are disclosed. In preferred compositions: the PVC resin is a mixture of high molecular weight and ultra high molecular weight PVC: the heat stabilizer is a mixed zinc-barium-alkyl phosphite stabilizer; and the composition contains 2-hydroxy-4-(2-hydroxyethoxy) benzophenone as an ultraviolet light absorber.
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Morse David R.
Zelazny Julian
Borden Inc.
Hoke Veronica P.
Maskas George P.
Rainear Dennis H.
Van Wyck Kenneth P.
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