Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1994-01-31
1994-11-29
Buttner, David
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525 92, 525133, 525147, 525148, 525462, 525463, 525467, C08L 6900
Patent
active
053691725
ABSTRACT:
The invention provides a low gloss polymer blend comprising an aromatic carbonate without reactive groups, a polymer or copolymer having a reactive epoxygroup and an aromatic carbonate polymer or copolymer having a reactive group which react with the epoxy group. Optionally, the composition may contain further usual compounds, such as polymeric materials which are normally used to modify the mechanical properties of polycarbonate, particularly rubbery or non-rubbery polymeric materials containing units of a styrene; also additives like colorants, flame retarding agents may be routinely incorporated.
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patent: 4868244 (1989-09-01), Boutni
patent: 4885335 (1989-12-01), Gallucci
patent: 4885336 (1989-12-01), Boutni et al.
patent: 4902743 (1990-02-01), Boutni
patent: 5055523 (1991-10-01), Inoue
patent: 5179161 (1993-01-01), Saito
Morgan Sarah E.
Pratt Charles F.
Savenije Hermannus B.
Buttner David
General Electric Company
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