Polycarbonate compositions

Details Polycarbonate compositions Polycarbonate compositions

2011-08-16

2011-08-16

Lee, Katarzyna Wyrozebski (Department: 1747)

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

Synthetic resins

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

C525S132000, C525S149000, C524S451000, C528S170000

Reexamination Certificate

active

07999037

ABSTRACT:
Polycarbonate compositions are disclosed. The compositions comprise a polycarbonate polymer (A) having repeating units derived from at least three different monomers, one monomer being 2-phenyl-3,3-bis(4-hydroxyphenyl)phthalimidine (PPPBP); and the other two monomers having the formula:wherein each Rkis independently a halogen atom, a C1-10hydrocarbon group, or a C1-10halogen substituted hydrocarbon group, and n is 0 to 4; and an impact modifier (B). The resulting composition has improved heat resistance and chemical resistance, particularly to Fuel C.

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