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

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- Number: US 2014/0194019 A1
- Document ID: US20140194019A1
- Status: Published application
- Kind: A1
- Application number: 13/988,118
- Filed: 2011-12-21
- Published: 2014-07-10
- Earliest claimed: 2010-12-22
- Assignees: Dow Corning Corporation
- Applicants: Dow Corning Corporation
- Inventors: Nathan Greer; Marilyn Shope; Michitaka Suto; Bianxiao Zhong; Bizhong Zhu
- Web page: https://patentgrep.com/patent/US20140194019A1

## CPC

- C09J 183/06: containing silicon bound to oxygen-containing groups (C09J183/12 takes precedence)
- B32B 17/067: {of fibres or filaments}
- C09J 183/04: Polysiloxanes
- C08G 77/12: containing silicon bound to hydrogen
- C08G 77/20: containing silicon bound to unsaturated aliphatic groups
- Y10T 428/249921: Web or sheet containing structurally defined element or component
- Y10T 428/2848: Three or more layers
- Y10T 428/2852: Adhesive compositions
- Y10T 442/2746: Heat-activatable adhesive
- C09J: ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES (preparation of glue or gelatine C09H)
- B32B: LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- C08G: MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## 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.

## Claims

### Claim 1

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.

### Claim 2 (depends on 1)

The silicone composition according to claim 1, wherein the organosilicon compound is at least one organohydrogenpolysiloxane having the formula (R12R3SiO1/2)m(R1R3SiO2/2)n(R1SiO3/2)p (I), wherein each R1 is independently C1 to C10 hydrocarbyl or C1 to C10 halogen-substituted hydrocarbyl, both free of aliphatic unsaturation, each R3 is independently R1 or —H, m is from 0.001 to 0.3, n is from 0.5 to 0.999, p is from 0 to 0.5, and m+n+p=1, provided the organohydrogenpolysiloxane has an average of at least two silicon-bonded hydrogen atoms per molecule.

### Claim 3 (depends on 1)

The silicone composition according to claim 1, wherein x is 0 and z is 0 in the formula (II) of the silicone resin.

### Claim 4 (depends on 1)

A silicone adhesive comprising a cured product of the silicone composition according to claim 1.

### Claim 5 (depends on 4)

A coated substrate, comprising:
a substrate; and
a silicone adhesive coating on at least a portion of a surface of the substrate, wherein the adhesive coating comprises the silicone adhesive according to claim 4.

### Claim 6 (depends on 5)

The coated substrate according to claim 5, wherein the substrate is selected from glass and a reinforced silicone resin film.

### Claim 7 (depends on 4)

A laminated substrate, comprising:
a first substrate;
at least one additional substrate overlying the first substrate; and
a silicone adhesive coating on at least a portion of at least one surface of each substrate, provided at least a portion of the adhesive coating is between and in direct contact with opposing surfaces of adjacent substrates, wherein the adhesive coating comprises the silicone adhesive according to claim 4.

### Claim 8 (depends on 7)

The laminated substrate according to claim 7, wherein at least one of the substrates is glass.

### Claim 9 (depends on 7)

The laminated substrate according to claim 7, wherein at least one of the substrates is a reinforced silicone resin film.

### Claim 10 (depends on 8)

The laminated substrate according to claim 8, wherein at least one of the substrates is a reinforced silicone resin film.