	US 12,473,404 B2
	Composition and method for silyl hydride reaction catalyzed by fluorinated arylborane Lewis acids
Marc-Andre Courtemanche, Midland, MI (US); Anne-Catherine Bedard, Midland, MI (US); Heather Spinney, Midland, MI (US); David Wilson, Midland, MI (US); Arjun Raghuraman, Freeport, TX (US); Sukrit Mukhopadhyay, Midland, MI (US); Andrew Shah, Collegeville, PA (US); David Devore, Midland, MI (US); David Laitar, Midland, MI (US); Jordan Reddel, Midland, MI (US); and Shuqi Lai, Midland, MI (US)
Assigned to Dow Global Technologies LLC, Midland, MI (US); and Dow Silicones Corporation, Midland, MI (US)
Appl. No. 17/915,656
Filed by Dow Silicones Corporation, Midland, MI (US); and Dow Global Technologies LLC, Midland, MI (US)
PCT Filed Jun. 16, 2021, PCT No. PCT/US2021/037538 § 371(c)(1), (2) Date Sep. 29, 2022, PCT Pub. No. WO2021/262492, PCT Pub. Date Dec. 30, 2021.
Claims priority of provisional application 63/043,149, filed on Jun. 24, 2020.
Prior Publication US 2023/0123215 A1, Apr. 20, 2023
Int. Cl. C08G 77/12 (2006.01); C08G 77/08 (2006.01); C08G 77/44 (2006.01)

CPC C08G 77/12 (2013.01) [C08G 77/08 (2013.01); C08G 77/44 (2013.01)]

13 Claims

1. A composition for silyl hydride reaction, wherein the composition comprises:

A) a fluorinated triarylborane Lewis acid selected from the group consisting of:

A1) tris(3,5-bis(trifluoromethyl)phenyl)borane THF adduct;

A2) bis(3,5-bis(trifluoromethyl)phenyl)(4-trifluoromethylphenyl)borane THF adduct;

A3) bis(3,5-bis(trifluoromethyl)phenyl)(2,4,6-trifluorophenyl)borane THF adduct;

A4) bis(3,5-bis(trifluoromethyl)phenyl)(2,6-difluorophenyl)borane THF adduct;

A5) bis(3,5-bis(trifluoromethyl)phenyl)(2,5-bis(trifluoromethyl)phenyl)borane;

A6) (3,5-bis(trifluoromethyl)phenyl)bis(2,5-bis(trifluoromethyl)phenyl)borane;

A7) bis(3,5-bis(trifluoromethyl)phenyl)(2,3,5,6-tetrafluoro-4-trifluoromethylphenyl)borane THF adduct; and

A8) a combination of two or more of A1) to A7); and

B) a silyl hydride having at least one silicon-bonded hydrogen atom per molecule.