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

Claim 5:
6. The copolycarbonate composition of claim 1, wherein, in the stabilizer package:
a) the phosphorus-containing acid is H3PO4, H3PO3, H3PO2, pyrophosphoric acid, H3P2O7, or a combination thereof;
b) the ester of the phosphorus-containing acid is bis(2,4-di-tertiary-butylphenyl) pentaerythritol diphosphite, 2,2′-ethylidene-bis(4,6-di-t-butyl phenyl) fluorophosphite, tris(2,4-di-tert-butylphenyl) phosphite, tris-(nonylphenyl)phosphite, or a combination thereof; and
c) the organosulfonic stabilizer has the formula, , wherein each R7 is a C7-30 alkylarylene, and R8 is a C1-5 alkyl.