Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1990-09-07
1992-11-10
Seidleck, James J.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525469, C08L 6900
Patent
active
051624583
ABSTRACT:
Polymeric compositions are described which result from blending a mixture comprising: (A) at least one amorphous polycarbonate; (B) at least one linear polycarbonate oligomer containing hydroquinone carbonate structural units; and (C) at least one polycarbonate formation catalyst.
The polymeric compositions have particular application in the preparation of shaped articles for use in environments characterized by the presence of solvents, solvent vapors, and/or potential for fire conditions. Methods for increasing the solvent and flammability resistance of amorphous polycarbonates are also described.
REFERENCES:
patent: 4186154 (1980-01-01), Binsack
patent: 4920200 (1990-04-01), Brunelle et al.
Bonauto David K.
Brunelle Daniel J.
Krabbenhoft Herman O.
Pearce Eric J.
Buttner David
Davis Jr. James C.
General Electric Company
Pittman William H.
Seidleck James J.
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