Silylated polycarbonate polymers, method of making, and articles

US8536282B2 · kind B2 · utility

Assignee

• Momentive Performance Materials GmbH · US

Inventors

• Jan-Pleun Lens · Breda, NL
• Tilak Raj · Bengaluru, IN
• Binod Behari Sahoo · Baleshwar, IN
• Arakali Srinivasarao Radhakrishna · Bengaluru, IN

Key dates

• Filing date: Sep 8, 2009
• Grant date: Sep 17, 2013
• Expiry date: Sep 8, 2029

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07F7/0838
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

A polycarbonate polymer or copolymer comprising pendant silylated dihydroxy aromatic compound of the formula (1a);wherein Ga and Gb are each independently C1-12 alkyl, —OSi(C1-12 alkyl)3, C1-12 arylalkyl, or —OSi(C1-12 arylalkyl)3; Za and Zb are each independently a straight or branched C2-18 is alkylene, a C8-18 arylalkylene, or a C8-18 alkylarylene, Xa is a direct bond, a heteroatom-containing group, or a C1-18 organic group, and r and s are each independently 1 or 2 is disclosed.