US 2014/0194019 A1 · Silicone Composition, Silicone Adhesive, Coated and Laminated Substrates

Abstract

A silicone composition and more particularly to a silicone composition comprising at least one organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule, at least one silicone resin having the formula (R1R4R5SiO1/2)w(R12SiO2/2)x(R4SiO3/2)y(SiO4/2)z (II), wherein R1 is C1 to C10 hydrocarbyl or C1 to C10 halogen-substituted hydrocarbyl, both free of aliphatic unsaturation, R4 is C2 to C4 alkenyl, R5 is R1 or R4, w is from 0.01 to 0.6, x is from 0 to 0.5, y is from 0.1 to 0.95, z is from 0 to 0.4, and w+x+y+z)=1, and a hydrosilylation catalyst; a silicone adhesive comprising a cured product of the silicone composition, and a coated substrate and a laminated substrate, each comprising the silicone adhesive.

Claims10

Dependent claims

A silicone composition, comprising:

(A) at least one organosilicon compound having an average of at least two silicon-bonded hydrogen atoms per molecule;
(B) at least one silicone resin having the formula (R1R4R5SiO1/2)w(R12SiO2/2)x(R4SiO3/2)y(SiO4/2)z (II), wherein R1 is C1 to C10 hydrocarbyl or C1 to C10 halogen-substituted hydrocarbyl, both free of aliphatic unsaturation, R4 is C2 to C4 alkenyl, R5 is R1 or R4, w is from 0.01 to 0.6, x is from 0 to 0.5, y is from 0.1 to 0.95, z is from 0 to 0.4, and w+x+y+z≈0.1;
and
(C) a hydrosilylation catalyst;
wherein the ratio of the number of moles of alkenyl groups in the silicone resin (B) to the number of moles of silicon-bonded hydrogen atoms in the organosilicon compound (A) is from 0.005 to 0.83.

2 more elements

Dependencies are inferred from the claim text.

Facts

Application

13/988,118Filed 21 Dec 2011

Priority

22 Dec 2010

Published

10 Jul 2014

Term ends

Not estimatedThe source records don’t support an estimate.

Classification13 codes

C09J 183/06
Polysiloxanes: containing silicon bound to oxygen-containing groups
B32B 17/067
Comprising glass as the main or only constituent of a layer, next to another layer of a specific material: of fibres or filaments
C09J 183/04
Adhesives based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon,…:…
C08G 77/12
Polysiloxanes: containing silicon bound to hydrogen

Silicone Composition, Silicone Adhesive, Coated and Laminated Substrates

Life of this patent

Silicone Composition, Silicone Adhesive, Coated and Laminated Substrates

Life of this patent

Abstract

Claims10