Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Processes of preparing a desired or intentional composition...
Patent
1992-09-25
1993-06-15
Hoke, Veronica P.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Processes of preparing a desired or intentional composition...
524141, 524143, 525 67, 525 72, 525209, 525902, 526276, 526277, C08K 5523, C08L 5106
Patent
active
052199070
ABSTRACT:
A flame retardant molding composition contains a halogen-free polycarbonate at least one halogen-free graft copolymer assembled from copolymerized units of an elastomer and certain ethylenically unsaturated monomers which include 1-50% by weight of an organic phosphorus compound of the formula (I) ##STR1## a halogen-free thermoplastic copolymer comprising styrene, .alpha.-alkylstyrene, nuclear-substituted styrene and/or C.sub.1 -C.sub.8 -alkyl (meth)acrylate, and (meth)acrylonitrile and/or maleic anhydride, as well as 1-46% by weight of a halogen-free phosphorus compound of the formula (I): Optionally a monophosphate additive and up to 5% by weight of a polytetrafluoroethylene with a median particle size of from 0.05 to 20 .mu.m may be added.
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Neumann Rainer
Niessner Norbert
Ruppmich Karl
Seitz Friedrich
Zeltner Doris
BASF - Aktiengesellschaft
Hoke Veronica P.
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