Patent ID: 9567445
Date: 2017-02-14
CPC Classifications: B29C,B29K,B29L,C08G,C08J,C08L,H01G

Claim:
1. A film comprising a phthalimidine copolycarbonate comprising first repeating units and second repeating units different from the first repeating units, wherein the first repeating units are phthalimidine carbonate units wherein R p and q are each independently 0 to 4, each R j is 0 to 4, and R and the second repeating units comprise bisphenol carbonate units that are not the same as the first repeating phthalimidine carbonate units; the second repeating units having the formula wherein R p and q are each independently integers of 0 to 4, and X a second polycarbonate that is not a phthalimidine copolycarbonate; wherein the second polycarbonate comprises a polycarbonate homopolymer, a copolycarbonate, or a copolymer comprising carbonate units and ester units; wherein the film has: