Quaternary ammonium-functional silicon compounds

Claim 2

A process for preparing quaternary ammonium-functional silicon compounds which comprises reacting a carboxylic acid-functional quaternary ammonium compound with a carbinol-functional silicon compound.

Claim 3

The process of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound and a dicarboxylic acid.

Claim 4

The process of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is obtained from the reaction of a carbinol-functional quaternary ammonium compound and a cyclic anhydride.

Claim 5

The process of claim 1, wherein the carboxylic acid-functional quaternary ammonium compound is selected from the group consisting of compounds having the formulas ##STR15## in which R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms, R 1 is a hydrocarbonoxy radical having the formula--(C n H 2n O) r , R 2 is a divalent hydrocarbon radical selected from the group consisting of (CH 2 ) y , CH═CH and a cyclic divalent hydrocarbon radical selected from the group consisting of C 3 H 4 , C 4 H 6 , C 5 H 8 , C 6 H 4 , C 6 H 8 , C 6 H 10 , C 10 H 6 , and a bicyclic radical selected from the group consisting of C 7 H 8 , C 7 H 10 , C 8 H 10 and C 8 H 13 , R 3 is a divalent hydrocarbon radical having from 2 to 10 carbon atoms, X is an anionic radical, a is a number of from 1 to 4, b is 0, 1, 2 or 3, c is 1, 2 or 3, d is a number of from 0 to 2, in which the sum of a+b cannot exceed 4, and the sum of c+d cannot exceed 3, n is 2, 3 or 4, r is a number of from 1 to 50 and y is a number of from 0 to 10.

Claim 6

The process of claim 1, wherein the carbinol-functional silicon compound contains at least one unit of the formula ##EQU3## in which R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms, R 4 is a radical selected from the group consisting of a saturated divalent hydrocarbon radical having up to 10 carbon atoms and a divalent hydrocarbonoxy radical in which the oxygen is in the form of an ether linkage and b is 0, 1, 2 or 3.

Claim 7

The process of claim 1, wherein the carbinol-functional silicon compound contains at least one unit of the formula ##EQU4## where R is a monovalent hydrocarbon radical having from 1 to 22 carbon atoms and b is 0, 1, 2 or 3.

Claim 8

The process of claim 1, wherein the mole ratio of the carboxylic acid groups of the carboxylic acid-functional quaternary ammonium compound to carbinol groups of the carbinol-functional silicon compound is in the range of from 4:1 to 1:30 with the proviso that at least one carboxylic acid group is reacted with one carbinol group.

Claim 9

The process of claims 1, 4, 5, 6 or 7, wherein the reaction is conducted in the presence of a non-protic solvent.

Claim 10

The process of claims 1, 4, 5, 6 or 7, wherein the reaction is conducted at a temperature of from 0° up to about 175° C.

Claim 11

The process of claim 1, wherein the carbinol-functional silicon compound is represented by the formula ##STR16##

Claim 12

The process of claim 1, wherein the carbinol-functional silicon compound is represented by the formula ##STR17##