Water-soluble surface treating agents

Claim 2

An agent of claim 1 comprising 0.1 to 10% by weight of the reaction product and 99.9 to 90% by weight of water.

Claim 3

A water-soluble surface treating agent comprising as a main ingredient a reaction product of (A) fluoroalkyl group-containing alkoxsilane of the general formula (1): wherein Rf is C n F 2n+1 or a polyfluoroalkyl group represented by wherein n is an integer of 1 to 20 and m is an integer of at least 1, which may have at least one ether bond, X is at least one linkage group selected from the class consisting of -CH 2 -, -CH 2 O-, -NR 3 -, -CO 2 -, -CONR 3 -, -S-, -SO 3 -, and -SO 2 NR 3 - wherein R 3 are hydrogen atom or alkyl groups of 1 to 8 carbon atoms R 1 are alkyl groups having 1 to 4 carbon atoms, R 2 are alkyl groups having 1 to 4 carbon atoms, a is an integer of 0 to 3, b is an integer of 1 to 3, and c is equal to 0 or 1, and/or a partial hydrolysate thereof, (B) amino group-containing alkoxysilane of the general formula (2): wherein R 4 and R 5 are independently selected from the class consisting of hydrogen atom, alkyl groups having 1 to 15 carbon atoms, and aminoalkyl groups having 1 to 15 carbon atoms, R 6 is a divalent hydrocarbon group having 1 to 18 carbon atoms, R 7 are alkyl groups having 1 to 4 carbon atoms, R 8 are alkyl groups having 1 to 4 carbon atoms, and d is equal to 0 or 1, and/or a partial hydrolysate thereof, and (C) alkyl group-containing alkoxysilane of the general formula (3): wherein R 9 is a monovalent hydrocarbon group having 1 to 10 carbon atoms, R 10 is an alkyl group having 1 to 4 carbon atoms, R 11 is an alkyl group having 1 to 4 carbon atoms, and e is equal to 0 or 1 and/or a partical hydrolysate thereof, and wherein the reaction product is obtained by reacting components (A) and (C) in a molar ratio (C) / (A) of from 0.05/1 to 0.5/1 and further reacting them with component (B) in a molar ratio (B) / (A + C) of from 0.5/1 to 20/1.

Claim 4

An agent of claim 4 comprising 0.1 to 10% by weight of the reaction product and 99.9 to 90% by weight of water.

Claim 5

An method of making a surface treating agent according to claim 1, by reacting said components (A) and (B), or a surface treating agent according to claim 3, by reacting said components (A), (B) and (C).

Claim 6

The agent of claim 1 or claim 3 wherein the fluoroalkyl group-containing alkoxysilane is selected from the group consisting of C 8 F 17 C 2 H 4 Si(OCH 3 ) 3 C 8 F 17 C 2 H 4 Si(OC 2 H 5 ) 3 C 8 F 17 CONHC 2 H 4 Si(OCH 3 ) 3 , and

Claim 7

The agent of claim 1 or claim 3 wherein the amino group-containing alkoxysilane is selected from the group consisting of: N-(2-aminoethyl)-3-aminopropyl trimethoxysilane, N-(2-aminoethyl)-3-aminopropylmethyldimethoxysilane and 3-aminopropyl trimethoxysilane

Claim 8

The agent of claim 1 wherein the reaction product is obtained by co-hydrolysis and condensation of (A) and (B) in the presence of an organic or inorganic acid.

Claim 9

The agent of claim 1 wherein the reaction product is obtained by effecting partial hydrolysis of (A) in the presence of an organic or inorganic acid and then reacting the obtained partial hydrolysis product with (B).

Claim 10

The agent of claim 9 wherein the organic or inorganic acid is hydrochloric, sulphuric, methanesulphonic, formic, acetic, propionic, citric, oxalic, maleic acid or a mixture thereof.

Claim 11

The agent of claim 9 wherein the organic or inorganic acid is used in an amount of 5 to 400 parts by weight per 100 parts by weight of (A)

Claim 12

The agent of claim 9 wherein the partial hydrolysis is effected in an amount of 1.0 to 3.0 mol of water per mol of (A).

Claim 13

The agent of claim 9 wherein the partial hydrolysis is conducted at 10° to 100°C for 1 to 3 hours.

Claim 14

The agent of claim 9 wherein the reaction of the partial hydrolysis product with (B) is conducted at 60° to 100°C for 1 to 3 hours.

Claim 15

The agent of claim 3 wherein the alkyl group-containing alkoxysilane is selected from the group consisting of: C 10 H 21 Si (OCH 3 ) 3 , C 10 H 21 Si (CH 3 ) (OCH 3 ) 2 , (CH 3 ) 2 Si (OCH 3 ) 2 and (CH 3 ) 2 Si(OC 2 H 5 ) 2

Claim 16

The agent of claim 3 wherein the reaction product is obtained by effecting partial hydrolysis of (A) and (C) in the presence of an organic or inorganic acid and then reacting the obtained partial hydrolysis product with (B).

Claim 17

The agent of claim 16 wherein the organic or inorganic acid is hydrochloric, sulphuric, methanesulphonic, formic, acetic, propionic, citric, oxalic, maleic acid or a mixture thereof.

Claim 18

The agent of claim 16 wherein the organic or inorganic acid is used in an amount of 30 to 400 parts by weight per 100 parts by weight of (A) and (C) combined.

Claim 19

The agent of claim 16 wherein the partial hydrolysis is effected in an amount of 1.0 to 3.0 mol of water per mol of (A) and (C) combined.

Claim 20

The agent of claim 16 wherein the partial hydrolysis is conducted at 10° to 100°C for 1 to 3 hours.

Claim 21

The agent of claim 6 wherein the reaction of the partial hydrolysis product with (B) is conducted at 60° to 100°c for 1 to 3 hours.

Claim 22

to Use of an agent according to any one of claims 1 to 4 to treat a surface of a substrate.