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1. (WO2018222315) POLYSILOXANE COMPRISING SUBSTITUENTS HAVING MULTIPLE ARYL GROUPS

Pub. No.:    WO/2018/222315    International Application No.:    PCT/US2018/030128
Publication Date: Fri Dec 07 00:59:59 CET 2018 International Filing Date: Tue May 01 01:59:59 CEST 2018
IPC: C08G 77/52
C08G 77/42
C08G 77/04
C08L 83/04
Applicants: DOW SILICONES CORPORATION
Inventors: SWIER, Steven
HORSTMAN, John B.
Title: POLYSILOXANE COMPRISING SUBSTITUENTS HAVING MULTIPLE ARYL GROUPS
Abstract:
A polysiloxane comprising: (a) from 40 to 90 mole% units of formula R1R2SiO2/2, (b) from 10 to 60 mole% units of formula R3SiO3/2, and (c) from 0 to 5 mole% units of formula R1R4SiO2/2; wherein R1 and R2 independently are phenyl or C1-C6 alkyl; R3 represents at least one C1-C30 hydrocarbyl group; R4 is -Ar1-X-Ar2, where Ar1 and Ar2 independently are C6-C12 aryl and X is O or CH2; provided that the polysiloxane comprises at least one -Ar1-X-Ar2 group.