Publication number: 20200385570
Abstract: Polycarbonate compositions comprising one or more additives selected from the group consisting of benzofuranone stabilizers of formula I, wherein R1, R2, R3, R4 and R5 are each independently hydrogen, halogen, hydroxy, C1-C25alkyl, C2-C25alkenyl, C2-C25alkynyl, C7-C9phenylalkyl, phenyl, C5-C8cycloalkyl, C1-C18alkoxy, C1-C8alkylamine, di(C1-C8alkyl)amino, C1-C25alkanoyloxy, C1-C25alkanoylamino, C3-C25alkenoyloxy, C3-C25alkanoyloxy interrupted by one to three —O—, —S—, —NH— or —N(C1-C8alkyl)-, wherein C1-C25alkyl, C2-C25alkenyl, C2-C25alkynyl, C7-C9phenylalkyl, phenyl, C5-C8cycloalkyl, C1-C18alkoxy, C1-C8alkylamine, di(C1-C8alkyl)amino, C1-C25alkanoyloxy, C1-C25alkanoylamino, C3-C25alkenoyloxy and interrupted C3-C25alkenoyloxy are unsubstituted or substituted by one to three groups selected from halogen, hydroxy, thiol, amino, C1-C4alkylamino, di(C1-C4alkyl)amino and C1-C4alkyl.
Type:
Application
Filed:
March 22, 2018
Publication date:
December 10, 2020
Inventors:
Stephen Mark Andrews, Markus Grob