One-part hydrophilic treatment compositions

Claim 2

A one-part composition for imparting hydrophilicity to siliceous surfaces, said composition comprising (i) an aqueous solution of a sulfonato-organosilanol compound having at least one sulfonato-organic substituent, wherein the weight percentage of oxygen in said compound is at least about 30%, and the weight percentage of silicon in said compound is not greater than about 15%, said percentages being taken with reference to the water-free acid form of said compound; and (ii) an abrasive material.

Claim 3

A composition in accordance with claim 1 wherein said sulfonato-organosilanol compound as the formula ##STR19## wherein Q is selected from hydroxyl, alkyl groups containing from 1 to about 4 carbon atoms and alkoxy groups containing from 1 to about 4 carbon atoms; M is selected from hydrogen, alkali metals and organic cations of strong organic bases having a number average molecular weight of less than about 150 and a pK a of greater than about 11; X is an organic linking group; Y is selected from hydrogen, alkaline earth metals, cations of protonated weak bases having an average molecular weight of less than about 200 and a pK a of less than about 11alkali metals and organic cations of strong organic bases having an average molecular weight of less than about 150 and a pK a of greater than about 11, provided that M is hydrogen when Y is selected from hydrogen, alkaline earth metals and organic cations of said protonated weak bases; r is equal to the valence of Y; and n is 1 or 2.

Claim 4

A composition in accordance with claim 2 wherein X is selected from alkylene groups, cycloalkylene groups, alkyl substituted cycloalkylene groups, hydroxy-substituted alkylene groups, hydroxy-substituted mono-oxa alkylene groups, divalent hydrocarbon groups having mono-oxa backbone substitution, divalent hydrocarbon groups having mono-thia backbone substitution, divalent hydrocarbon groups having monooxo-thia backbone substitution, divalent hydrocarbon groups having dioxo-thia backbone substitution, arylene groups, arylalkylene groups, alkylarylene groups and substituted alkylarylene groups.

Claim 5

A composition in accordance with claim 2 wherein said sulfonato-organosilanol compound comprises an organosilanol-sulfonic acid of the formula ##STR20##

Claim 6

A composition in accordance with claim 4 wherein said organosilanol-sulfonic acid has the formula (HO) 3 Si--X--CH 2 SO - 3 H + .

Claim 7

A composition in accordance with claim 5, wherein X is --(CH 2 ) m --, where m is an integer of from 1 to about 8.

Claim 8

A composition in accordance with claim 6 wherein m is 1.

Claim 9

A composition in accordance with claim 6 wherein m is 2.

Claim 10

A composition in accordance with claim 5 wherein X is ##STR21##

Claim 11

A composition in accordance with claim 4 wherein said organosilanol-sulfonic acid has the formula ##STR22##

Claim 12

A composition in accordance with claim 10 wherein X is --CH 2 --.

Claim 13

A composition in accordance with claim 4 wherein said organosilanol-sulfonic acid has the formula ##STR23## wherein Q is an alkyl group containing from 1 to about 4 carbon atoms.

Claim 14

A composition in accordance with claim 2 wherein said sulfonato-organosilanol compound comprises an organosilanolate-sulfonic acid salt wherein M and Y are each selected from alkali metals and organic cations of strong organic bases having an average molecular weight of less than about 150 and a pK a of greater than about 11.

Claim 15

A composition in accordance with claim 13 wherein Q is selected from hydroxyl, alkyl groups containing from 1 to about 4 carbon atoms and alkoxy groups containing from 1 to about 4 carbon atoms provided that at least one of said Q groups is hydroxyl.

Claim 16

A composition in accordance with claim 13, wherein n is 2 and r is 1.

Claim 17

A composition in accordance with claim 2 wherein said sulfonato-organosilanol compound comprises an organosilanol-sulfonic acid salt wherein M is hydrogen; Q is selected from hydroxyl and alkyl groups of from 1 to about 4 carbon atoms and Y is selected from alkaline earth metals, cations of protonated weak bases having an average molecular weight of less than about 200 and a pK a of less than about 11, alkali metals and cations of strong organic bases having an average molecular weight of less than about 150 and a pK a of greater than about 11.

Claim 18

A composition in accordance with claim 16, wherein Q is hydroxyl.

Claim 19

A composition in accordance with claim 17, wherein n is 2 and r is 1.

Claim 20

A composition in accordance with claim 17 wherein n and r are each 1.

Claim 21

A composition in accordance with claim 1 further including a surfactant.

Claim 22

A composition in accordance with claim 1 further including a suspending agent.

Claim 23

A composition in accordance with claim 21 further including a surfactant.