Method of preparing silicone-acrylate hybrid composition and hybrid composition formed thereby

Patent metadata

Field	Value
Publication number	US-12227650-B2
Application number	US-202017789177-A
Country	US
Kind code	B2
Filing date	Dec 23, 2020
Priority date	Dec 31, 2019
Publication date	Feb 18, 2025
Grant date	Feb 18, 2025

Abstract

A method of preparing a silicone-acrylate hybrid composition is provided. The method comprises irradiating an acrylate composition in the presence of: (i) a silicone article, and/or (ii) a silicone composition; to polymerize the acrylate composition and give the silicone-acrylate hybrid composition. The acrylate composition comprises an acrylate compound and an initiator.

First claim

What is claimed is:

1. A method of preparing a silicone-acrylate hybrid composition, said method comprising:
combining a silicone article and an acrylate composition to form a swollen silicone material comprising the acrylate composition dispersed in the silicone article; and
irradiating the swollen article to polymerize the acrylate composition and give the silicone-acrylate hybrid composition, wherein the step of irradiating is carried out in the absence of any solvent;
wherein the acrylate composition comprises:
an acrylate compound having the general formula (A):

wherein each R is independently selected from H and substituted or unsubstituted hydrocarbyl groups, R 1 is H or a substituted or unsubstituted hydrocarbyl group having from 1 to 10 carbon atoms, n is an integer equal to or greater than 1, and R 2 is selected from R 1 , an amine group, an alkoxy group, an alkyl group, an alkyl group substituted with a hydroxyl group or an amino group, or a moiety having a valency of n greater than 1 to 4; and
an initiator;

wherein the silicone-acrylate hybrid composition comprises a solid interpenetrating polymer network.

2. The method of claim 1 , wherein the acrylate composition is irradiated in the presence of the silicone article, and wherein: (i) the method further comprises preparing the silicone article; (ii) the silicone article is formed from an addition-curable silicone composition or a condensation-curable silicone composition; or (iii) both (i) and (ii).

3. The method of claim 2 , wherein the silicone article is formed from a hydrosilylation-curable composition.

4. The method of claim 2 , wherein the silicone article is formed from a condensation-curable composition.

5. The method of claim 1 , wherein: (i) the acrylate composition further comprises a multifunctional acrylate compound different from the acrylate compound of general formula (A); (ii) the acrylate composition further comprises acrylic acid other than the acrylate compound of general formula (A); (iii) R 2 is an alkoxy group; (iv) each R is H; or (v) any combination of (i) to (iv).

6. The method of claim 1 , wherein the silicone-acrylate hybrid composition comprises a silicone article and an acrylate polymer, and wherein: (i) the silicone article and the acrylate polymer are physically at least partially interlaced; (ii) the silicone article and the acrylate polymer are chemically bonded to one another; or (iii) both (i) and (ii).

7. The method of claim 1 , wherein the silicone-acrylate hybrid composition is disposed on a substrate.

8. The method of claim 7 , wherein the substrate comprises an electronic device.

Assignees

• Dow Silicones Corp
• Dow Global Technologies Llc
• Univ Northwestern

Inventors

• Ahn Dongchan
• Beebe Jeremy
• Mangold Shane
• Shull Ken
• Wang Muzhou
• Silvaroli Anthony
• Heyl Tyler

Classifications

• C08J2383/04

  Polysiloxanes · CPC title

• C08L51/085

  on to polysiloxanes · CPC title

• C08L2205/04

  containing interpenetrating networks · CPC title

• C08F290/068

  Polysiloxanes · CPC title

• C08L83/06 Primary

  containing silicon bound to oxygen-containing groups (C08L83/12 takes precedence) · CPC title