Compatible polycarbonate/methyl-meth-acrylate polymer mixtures

Details Compatible polycarbonate/methyl-meth-acrylate polymer mixtures Compatible polycarbonate/methyl-meth-acrylate polymer mixtures

1989-04-10

1990-08-21

Bleutge, John C.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

C08F 846, C08L 3106, C08L 3312, C08L 6900

Patent

active

049507168

ABSTRACT:
This invention concerns transparent polymer mixtures that can be processed thermoplastically consisting of (A) polycarbonates, particularly Bisphenol A polycarbonates, and (B) copolymers of methyl methacrylate and 5 to 40 wt. % of N-substituted maleimides, with the substituent on the imide nitrogen being an optionally substituted cyclohexyl group, in which the copolymer (B) can also be made up of other .alpha.,.beta.-unsaturated monomer units in amounts of 0 to 40 wt. %.

REFERENCES:
patent: 4740553 (1988-04-01), Maeda
patent: 4749749 (1988-06-01), Munzer et al.

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