Reactive silicone composition and cured product thereof

Patent metadata

Field	Value
Publication number	US-2022010176-A1
Application number	US-201917295546-A
Country	US
Kind code	A1
Filing date	Nov 1, 2019
Priority date	Nov 21, 2018
Publication date	Jan 13, 2022
Grant date	—

Abstract

A reactive silicone composition including component (S) and component (T) below, the component (S): a reactive silicone compound including a condensation product of a diaryl silicate compound represented by Formula [1] and a silicon compound represented by Formula [2],

(wherein Ar 1 and Ar 2 each independently represent a phenyl group optionally substituted by a C 1-6 alkyl group and X represents a hydrolyzable reactive group), the component (T): modified titanium oxide-containing oxide colloidal particles produced by bonding an organosilicon compound to surfaces of titanium oxide-containing oxide colloidal particles (C) having an average particle diameter of from 2 to 100 nm and including, as a core, titanium oxide-containing metal oxide colloidal particles (A), surfaces of which are coated with a coating including silicon dioxide- and tin oxide-containing composite oxide colloidal particles (B).

First claim

1 . A reactive silicone composition comprising component (S) and component (T) below,
the component (S): a reactive silicone compound comprising a condensation product of a diaryl silicate compound represented by Formula [1] and a silicon compound represented by Formula [2],

(wherein Ar 1 and Ar 2 each independently represent a phenyl group optionally substituted by a C 1-6 alkyl group and X represents a hydrolyzable reactive group),
the component (T): modified titanium oxide-containing oxide colloidal particles produced by bonding an organosilicon compound to surfaces of titanium oxide-containing oxide colloidal particles (C) having an average particle diameter of from 2 nm to 100 nm and comprising, as a core, titanium oxide-containing metal oxide colloidal particles (A) having an average primary particle diameter of from 2 nm to 60 nm, surfaces of which are coated with a coating comprising silicon dioxide- and tin oxide-containing composite oxide colloidal particles (B) having an average primary particle diameter of from 1 nm to 4 nm.

2 . The reactive silicone composition according to claim 1 , comprising cyclohexanone or methyl ethyl ketone as a solvent.

3 . The reactive silicone composition according to claim 1 , further comprising a polymerization initiator.

4 . A cured product formed from the reactive silicone composition according to claim 1 .

5 . An optical adhesive used for a joint between optical waveguides or a joint between an optical waveguide and a light-receiving element in an optical signal transmission device, the optical adhesive comprising the reactive silicone composition according to claim 1 .

6 . A core member in an optical signal transmission device, comprising the cured product according to claim 4 .

7 . A film forming agent comprising the reactive silicone composition according to claim 1 .

8 . An optical member comprising, on a surface of an optical base material, a cured film formed from the reactive silicone composition according to claim 1 .

9 . The optical member according to claim 8 , wherein an antireflection film is further applied onto a surface of the optical member.

Assignees

• Nissan Chemical Corp

Inventors

• Hida Masahiro
• Yamada Shuhei
• Abe Masashi

Classifications

• C08G77/20 Primary

  containing silicon bound to unsaturated aliphatic groups · CPC title

• C08G77/80

  Siloxanes having aromatic substituents, e.g. phenyl side groups · CPC title

• C08F292/00

  Macromolecular compounds obtained by polymerising monomers on to inorganic materials · CPC title

• C08L51/10

  grafted on to inorganic materials · CPC title

• C08F299/08

  from polysiloxanes · CPC title