Patent ID: 11970608
Assignee: SHPP GLOBAL TECHNOLOGIES B.V.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C | IPC C

Claim 9:
10. The copolycarbonate composition of claim 1, wherein the copolycarbonate further comprises at least 5 mol % of third carbonate units different from the bisphenol A carbonate units and the second carbonate unit, based on the total number of carbonate units in the copolycarbonate, the third carbonate units comprising carbonate units of the formula:, wherein
Rc and Rd are each independently a C1-12 alkyl, C1-12 alkenyl, C3-8 cycloalkyl, or C1-12 alkoxy,
each R6 is independently C10.3 alkyl or phenyl,
Xa is a C6-12 polycyclic aryl, C3-18 mono- or polycycloalkylene, C3-18 mono- or polycycloalkylidene, -(Q1)x-G-(Q2)y-group wherein Q1 and Q2 are each independently a C1-3 alkylene, G is a C3-10 cycloalkylene, x is 0 or 1, and y is 1, or —C(P1)(P2)— wherein P1 is C1-12 alkyl and P2 is C6-12 aryl, and
m and n are each independently 0 to 4, or a combination thereof.