Soil releasable hydrophilic surface finish for textile fabrics

Claim 2

An aqueous heat curable composition for the treatment of textile fabrics, the composition comprising: (a) a diisophorone alkylene urea ethoxylate having the formula ##STR5## where R 1 and R 2 are, independently, straight or branched lower alkyl having from 1 to about 6 carbon atoms; R 3 is methyl or ethyl, and x, y and z are, independently, integers of from 10 to about 100. (b) an amino-functional diorganopolysiloxane having the formula ##STR6## where R 4 and R 5 are, independently, straight or branched lower alkyl having from 1 to about 10 carbon atoms, R 6 is amino and x and y are, independently, integers of from 1 to 10; and (c) a silanol end-stopped diorganopolysiloxane having the formula ##STR7## where R 7 is straight or branched lower alkyl having from 1 to about 4 carbon atoms, and x is an integer of from 10 to about 100.

Claim 3

The composition of claim 1 comprising from about 20 to about 30 parts by weight of the diisophorone alkylene urea ethoxylate, from about 5 to about 10 parts by weight of the amino-functional diorganopolysiloxane, and from about 60 to about 70 parts by weight of the silanol end-stopped diorganopolysiloxane.

Claim 4

The composition of claim 1 wherein the diisophorone alkylene urea ethoxylate comprises a backbone polymer comprising from about 70 to 90% by weight of poly(oxyethylene) and from about 10 to about 30% by weight of poly(oxypropylene).

Claim 5

The composition of claim 1 wherein the amino-functional group of the amino-functional diorganopolysiloxane is diamino.

Claim 6

The composition of claim 4 wherein the diamino is diethylene diamine.

Claim 7

The composition of claim 5 wherein the amino-functional diorganopolysiloxane has a viscosity of from 100 to about 1,000 cs. at 25° C.

Claim 8

The composition of claim 1 wherein the silanol end-stopped diorganopolysiloxane is a polydimethysiloxane.

Claim 9

A process for the treatment of a cellulose containing textile fabric, the process comprising contacting the fabric with a heat curable composition comprising (a) a diisophorone alkylene urea ethoxylate having the formula ##STR8## where R 1 and R 2 are, independently, straight or branched lower alkyl having from 1 to about 6 carbon atoms; R 3 is methyl or ethyl, and x, y and z are, independently, integers of from 10 to about 100, (b) an amino-functional diorganopolysiloxane having the formula ##STR9## where R 4 and R 5 are, independently, straight or branched lower alkyl having from 1 to about 10 carbon atoms, R 6 is amino and x and y are, independently, integers of from 1 to 10; and (c) a silanol end-stopped diorganopolysiloxane having the formula ##STR10## where R 7 is straight or branched lower alkyl having from 1 to about 4 carbon atoms, and x is an integer of from 10 to about 100.

Claim 10

A process for the treatment of a cellulose containing textile fabric, the process comprising contacting the fabric with a heat curable composition comprising (a) a diisophorone alkylene urea ethoxylate having the formula ##STR8## where R 1 and R 2 are, independently, straight or branched lower alkyl having from 1 to about 6 carbon atoms; R 3 is methyl or ethyl, and x, y and z are, independently, integers of from 10 to about 100, (b) an amino-functional diorganopolysiloxane having the formula ##STR9## where R 4 and R 5 are, independently, straight or branched lower alkyl having from 1 to about 10 carbon atoms, R 6 is amino and x and y are, independently, integers of from 1 to 10; and (c) a silanol end-stopped diorganopolysiloxane having the formula ##STR10## where R 7 is straight or branched lower alkyl having from 1 to about 4 carbon atoms, and x is an integer of from 10 to about 100.

Claim 11

The process of claim 8 which comprises the further step of (c) heating the treated fabric at an elevated temperature to cure said composition.

Claim 12

The process of claim 9 wherein the treated fabric is heated at a temperature in the range of from about 190° to about 210° F.

Claim 13

The process of claim 8 wherein the heat curable composition comprises from about 20 to about 30 parts by weight of the diisophorone propylene urea ethoxylate, from about 5 to about 10 parts by weight of the amino-functional diorganopolysiloxane, and from about 60 to about 70 parts by weight of the silanol end-stopped diorganopolysiloxane.

Claim 14

The process of claim 8 wherein the diisophorone propylene urea ethoxylate comprises a backbone polymer comprising from about 70 to 90% by weight of poly(oxyethylene) and from about 10 to about 30% by weight of poly(oxypropylene).

Claim 15

The process of claim 8 wherein the amino-functional group of the amino-functional diorganopolysiloxane is diamino.

Claim 16

The process of claim 13 wherein the diamino is diethylene diamine.

Claim 17

The process of claim 14 wherein the amino-functional diorganopolysiloxane has a viscosity of from 100 to about 1,000 cs. at 25° C.

Claim 18

The process of claim 8 wherein the silanol end-stopped diorganopolysiloxane is a polydimethysiloxane.

Claim 19

A cellulose containing textile fabric which has been treated with a composition comprising (a) a diisophorone propylene urea ethoxylate having the formula ##STR11## where R 1 and R 2 are, independently, straight or branched lower alkyl having from 1 to about 6 carbon atoms; R 3 is methyl or ethyl, and x, y and z are, independently, integers of from 10 to about 100, (b) an amino-functional diorganopolysiloxane having the formula ##STR12## where R 4 and R 5 are, independently, straight or branched lower alkyl having from 1 to about 10 carbon atoms, R 6 is amino and x and y are, independently, integers of from 1 to 10; and (c) a silanol end-stopped diorganopolysiloxane having the formula ##STR13## where R 7 is straight or branched lower alkyl having from 1 to about 4 carbon atoms, and x is an integer of from 10 to about 100.

Claim 20

A cellulose containing textile fabric which has been treated with a composition comprising (a) a diisophorone propylene urea ethoxylate having the formula ##STR11## where R 1 and R 2 are, independently, straight or branched lower alkyl having from 1 to about 6 carbon atoms; R 3 is methyl or ethyl, and x, y and z are, independently, integers of from 10 to about 100, (b) an amino-functional diorganopolysiloxane having the formula ##STR12## where R 4 and R 5 are, independently, straight or branched lower alkyl having from 1 to about 10 carbon atoms, R 6 is amino and x and y are, independently, integers of from 1 to 10; and (c) a silanol end-stopped diorganopolysiloxane having the formula ##STR13## where R 7 is straight or branched lower alkyl having from 1 to about 4 carbon atoms, and x is an integer of from 10 to about 100.

Claim 21

The textile fabric of claim 17 which comprises cotton fibers.

Claim 22

The textile fabric of claim 17 which comprises a blend of cotton and polyester fibers.

Claim 23

The textile fabric of claim 17 wherein the composition comprises from about 20 to about 30 parts by weight of the diisophorone propylene urea ethoxylate, from about 5 to about 10 parts by weight of the amino-functional diorganopolysiloxane, and from about 60 to about 70 parts by weight of the silanol end-stopped diorganopolysiloxane.

Claim 24

The textile fabric of claim 17 wherein the diisophorone propylene urea ethoxylate comprises a backbone polymer comprising from about 70 to 90% by weight of poly(oxyethylene) and from about 10 to about 30% by weight of poly(oxypropylene).

Claim 25

The textile fabric of claim 17 wherein the amino-functional group of the amino-functional diorganopolysiloxane is diamino.

Claim 26

The textile fabric of claim 22 wherein the diamino is diethylene diamine.

Claim 27

The textile fabric of claim 23 wherein the amino-functional diorganopolysiloxane has a viscosity of from 100 to about 1,000 cs. at 25° C.

Claim 28

The textile fabric of claim 17 wherein the silanol end-stopped diroganopolysiloxane is a polydimethylsiloxane.

Claim 29

The textile fabric of claim 17 wherein the composition has been heat cured.