Elastomeric silicone finishes applied to substrates and method of preparing same

Claim 2

A process for imparting an elastomeric finish to a substrate which comprises: (a) applying to said substrate a silicone blend comprising: (1) a crosslinkable silicone intermediate selected from the group of silicone compositions of the general formula: ##STR12## wherein R is individually hydrogen, OR' or a substituted or unsubstituted hydrocarbon radical containing from 1 to 12 carbon atoms; R' is individually a hydrocarbon radical containing from 1 to 6 carbon atoms; and X is either R, OR' or (C.sub.n H.sub.2n Si(R).sub.a (OR').sub.3-3 wherein n is 1, 2 of 3 and a is 0, 1 or 2; z has a value from 10 to 500; and R" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or nonbranched, substituted or unsubstituted, or saturated or unsaturated and (2) a silanol selected from the group of silanols of the general formula: ##STR13## wherein R'" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or unbranched, substituted or unsubstituted or saturated or unsaturated and y has a value of from 185 to 3500; and (b) Catalyzing and curing the silicone blend onto the substrate to provide an elastomeric finish.

Claim 3

The process of claim 1 wherein the substrate is selected from the group consisting of textiles, paper, cellulose materials, glass fibers and mineral fibers.

Claim 4

The process of claim 2 wherein the substrate is a textile.

Claim 5

The process of claim 1 wherein the silicone blend is applied to said substrate in an amount from 0.1 to 10 parts by weight per 100 parts by weight of untreated substrate.

Claim 6

The process of claim 1 wherein R is hydrogen or methyl group.

Claim 7

The process of claim 5 wherein R is a methyl group.

Claim 8

The process of claim 1 wherein R' is a hydrocarbon radical containing from 1 to 3 carbon atoms.

Claim 9

The process of claim 7 wherein R' is methyl.

Claim 10

The process of claim 1 wherein R" is methyl.

Claim 11

The process of claim 1 wherein X is R.

Claim 12

The process of claim 1 wherein X is OR'.

Claim 13

The process of claim 1 wherein X is (C 2 H 4 )Si(OR') 3 .

Claim 14

The process of claim 1 wherein X is (C 2 H 4 )Si(R)(OR') 2 .

Claim 15

The process of claim 1 wherein z has a value of from 15 to 150.

Claim 16

The process of claim 1 wherein R'" is methyl.

Claim 17

The process of claim 1 wherein y is 750 to 3500.

Claim 18

A process for imparting an elastomeric finish to a substrate which comprises: (a) applying to said substrate a silicone blend comprising: (1) a crosslinkable silicone intermediate selected from the group of silicone compositions of the general formula: ##STR14## wherein R is individually hydrogen, OR' or a substituted or unsubstituted hydrocarbon radical containing from 1 to 12 carbon atoms; R' is individually a hydrocarbon radical containing from 1 to 6 carbon atoms; and X is either R, OR' or (C.sub.n H.sub.2n)Si(R).sub.a (OR').sub.3-a wherein n is 1, 2 or 3 and a is 0, 1 or 2; y has a value from 185 to 3500; and R" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or nonbranched, substituted or unsubstituted, or saturated or unsaturated, and (2) a silanal selected from the group of silanals of the general formula: ##STR15## wherein R'" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or unbranched, substituted or unsubstituted or saturated or unsaturated and z has a value of from 10 to 500; and (b) Catalyzing and curing the silicone blend onto the substrate to provide an elastomeric finish.

Claim 19

A process for imparting an elastomeric finish to a substrate which comprises: (a) applying to said substrate a silicone blend comprising: (1) a crosslinkable silicone intermediate selected from the group of silicone compositions of the general formula: ##STR14## wherein R is individually hydrogen, OR' or a substituted or unsubstituted hydrocarbon radical containing from 1 to 12 carbon atoms; R' is individually a hydrocarbon radical containing from 1 to 6 carbon atoms; and X is either R, OR' or (C.sub.n H.sub.2n)Si(R).sub.a (OR').sub.3-a wherein n is 1, 2 or 3 and a is 0, 1 or 2; y has a value from 185 to 3500; and R" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or nonbranched, substituted or unsubstituted, or saturated or unsaturated, and (2) a silanal selected from the group of silanals of the general formula: ##STR15## wherein R'" is individually a hydrocarbon radical containing from 1 to 12 carbon atoms and may be cyclic or noncyclic, branched or unbranched, substituted or unsubstituted or saturated or unsaturated and z has a value of from 10 to 500; and (b) Catalyzing and curing the silicone blend onto the substrate to provide an elastomeric finish.

Claim 20

An elastomeric finish imparted on a substrate produced by the process of claim 1.

Claim 21

An elastomeric finish imparted on a substrate produced by the process of claim 17.