	US 11,866,590 B2
	Diisocyanate-based radical polymerizable silane coupling compound having an urethane bond
Kiyomi Fuchigami, Kyoto (JP); Kenzo Yamamoto, Kyoto (JP); Naoya Kitada, Kyoto (JP); and Kazuya Shinno, Kyoto (JP)
Assigned to KABUSHIKI KAISHA SHOFU, Kyoto (JP)
Appl. No. 17/279,337
Filed by KABUSHIKI KAISHA SHOFU, Kyoto (JP)
PCT Filed Sep. 25, 2019, PCT No. PCT/JP2019/037571 § 371(c)(1), (2) Date Mar. 24, 2021, PCT Pub. No. WO2020/067146, PCT Pub. Date Apr. 2, 2020.
Claims priority of application No. 2018-183399 (JP), filed on Sep. 28, 2018; and application No. 2018-183400 (JP), filed on Sep. 28, 2018.
Prior Publication US 2021/0395532 A1, Dec. 23, 2021
Int. Cl. C09C 3/12 (2006.01); A61K 6/60 (2020.01); C07F 7/18 (2006.01); C08F 292/00 (2006.01)

CPC C09C 3/12 (2013.01) [A61K 6/60 (2020.01); C07F 7/1804 (2013.01); C08F 292/00 (2013.01)]

4 Claims

1. A silane coupling agent having a polymerizable group, which is represented by the following formula

A represents a H₂C═CH—, H₂C═C(CH₃)—, or H₂C═CH—C₆H₄— group where C₆H₄represents a phenylene group,

B represents a —C(O)—O—, —C(O)—S—, —C(O)—NH—, —NH—C(O)—NH—, —NH—C(O)—S—, or —NH—C(O)—O— group,

R¹represents a C2 to C100 linear or branched alkylene group and may comprise one or more of a —O—CH₂—CH₂—, —O—CH(CH₃)—CH₂— and/or —CH(CH₃)—CH₂—O— groups,

Z comprises at least one or more a benzene ring or a cyclohexane ring and/or a C2 to C100 linear or branched alkylene group,

R²represents a C2 to C100 linear or branched alkylene group,

R³represents a C1 to C6 linear or branched alkyl group,

R⁴represents a C1 to C16 linear or branched alkyl group, a phenyl group, or a halogen atom, and when n is 0, at least one or more of halogen atoms are bonded to Si,

a is 1 to 6 and

n is 0 to 3.