Reactive compositions containing mercapto-functional silicon compound

Patent metadata

Field	Value
Publication number	US-10676594-B2
Application number	US-201816129119-A
Country	US
Kind code	B2
Filing date	Sep 12, 2018
Priority date	Apr 13, 2015
Publication date	Jun 9, 2020
Grant date	Jun 9, 2020

Abstract

There is provided herein a composition comprising (a) a mercapto-functional silicon compound having the general Formula (I):

and a reactive resin containing at least one epoxy and/or (meth)acrylate group. There is also provided a silylated resin resulting from the reaction product of mercapto-functional silicon compound (a) and reactive resin contain at least one epoxy and/or (meth)acrylate groups.

First claim

What is claimed is:

1. A composition comprising:
(a) at least one mercapto-functional silicon compound having the general formula (I):

wherein
A is —OCR 2 2 (CR 2 2 ) f CR 2 2 OH, or

and
B is H, or

each occurrence of Z is independently selected from the group consisting of —OCR 2 2 (CR 2 2 ) f CR 2 2 OH,

each occurrence of R 1 is —CH 2 —, —CH 2 CH 2 — or —CH 2 CH 2 CH 2 —;
each occurrence of R 2 is hydrogen, —CH 3 or —CH 2 CH 3 ;
each occurrence of the subscript f is independently an integer, where f is 0 or 1; and
the subscript n is an integer from 3 to 15, and/or a partial hydrolyzate or condensate thereof having the general formula (II):

wherein A, B, R 1 and Z are defined above and the subscript n 1 is an integer from 3 to 15; and
(b) a reactive resin having at least one (meth)acrylate group.

2. The composition of claim 1 wherein R 1 is —CH 2 CH 2 CH 2 —; R 2 is chosen from hydrogen or —CH 3 ; and f is 1.

3. The composition of claim 1 wherein the reactive resin component (b) is an organic compound or mixtures of organic compounds having at least one (meth)acrylate group per molecule with a number average molecular weight in the range of from about 100 to about 12,000.

4. The composition of claim 1 wherein the reactive resin (b) has the general formula (V):

wherein:
wherein each occurrence of R 6 is independently hydrogen or methyl;
wherein G 2 is a divalent or a polyvalent organic group containing from 1 to 2,000 carbon atoms, with the proviso that the oxygen of the H 2 C═C(R 6 )C(═O)O— group is bonded to the carbon atom of the G 2 group; and
wherein d is an integer of from 2 to 8.

5. The composition of claim 1 further comprising (c) a curing agent, which is ultraviolet radiation, gamma-radiation and combinations thereof.

6. The composition of claim 5 wherein the curing agent (c) is radiation in combination with a radiation active initiator.

7. The composition of claim 1 further comprising and a filler.

8. A coating comprising the composition of claim 1 .

9. A sealant comprising the composition of claim 1 .

10. A composition comprising:
(a) at least one mercapto-functional silicon compound having the general formula (I):

wherein
A is —OCR 2 2 (CR 2 2 ) f CR 2 2 OH, or

and
B is H, or

each occurrence of Z is independently selected from the group consisting of
—OCR 2 2 (CR 2 2 ) f CR 2 2 OH,

each occurrence of R 1 is —CH 2 —, —CH 2 CH 2 — or —CH 2 CH 2 CH 2 —;
each occurrence of R 2 is hydrogen, —CH 3 or —CH 2 CH 3 ;
each occurrence of the subscript f is independently an integer, where f is 0 or 1; and
the subscript n is an integer from 3 to 15, and/or a partial hydrolyzate or condensate thereof having the general formula (II):

wherein A, B, R 1 and Z are defined above and the subscript n 1 is an integer from 3 to 15;
(b) a reactive resin having the general formula (IV):

wherein:
each occurrence of R 4 is independently hydrogen, or an alkyl group of from 1 to 8 carbon atoms, a phenyl group or an aralkyl or arenyl group of from 7 to 12 carbon atoms;
each occurrence of R 5 is a divalent organic group of from 1 to 12 carbon atoms or a chemical bond;

G 1 is a divalent or polyvalent organic group containing from 1 to 2,000 carbon atoms; and b is an integer of from 2 to 8; and
(c) a curing agent which is a hardner selected from the group consisting of selected from the group consisting of aliphatic primary amines, aliphatic secondary amines, aliphatic primary polyamines, aliphatic secondary polyamines, and combinations thereof.

11. The composition of claim 10 wherein the reactive resin component (b) has an epoxide equivalent weight of from about 100 to about 2,000 grams per equivalent.

12. The composition of claim 10 wherein R 1 is —CH 2 CH 2 CH 2 —; R 2 is hydrogen or —CH 3 ; and f is 1.

13. The composition of claim 10 further comprising and a filler.

14. A coating comprising the composition of claim 10 .

15. A sealant comprising the composition of claim 10 .

16. A composition comprising
(a) a mercapto-functional silicon compound of the formula (III):

and
(b) a reactive resin having at least one (meth)acrylate group.

17. A composition comprising
(a) a mercapto-functional silicon compound (a) is of the formula (III):

(b) a reactive resin having the general formula (IV):

wherein:
each occurrence of R 4 is independently hydrogen, or an alkyl group of from 1 to 8 carbon atoms, a phenyl group or an aralkyl or arenyl group of from 7 to 12 carbon atoms each occurrence of R 5 is a divalent organic group of from 1 to 12 carbon atoms or a chemical bond;

G 1 is a divalent or polyvalent organic group containing from 1 to 2.000 carbon atoms; and b is an integer of from 2 to 8; and
(c) a curing agent which is a hardner selected from the group consisting of selected from the group consisting of aliphatic primary amines. aliphatic secondary amines. aliphatic primary polyamines. aliphatic secondary polyamines. and combinations thereof.

Assignees

• Momentive Performance Mat Inc

Inventors

• Kondos Constantine
• Kumar Vikram
• Wusik Martin

Classifications

• C09D163/00

  Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins · CPC title

• C08G59/66

  Mercaptans · CPC title

• C08G59/5026

  cycloaliphatic · CPC title

• C09D4/00

  Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16} · CPC title

• C09K3/1018

  Macromolecular compounds having one or more carbon-to-silicon linkages · CPC title