Compositions and process for treating textiles

Claim 2

A textile-treating composition which comprises (A) a cationic surfactant which is substantive to water rinse on textile fabrics and (B) a polydiorganosiloxane having in the molecule at least one silicon-bonded group --RX wherein R represents an alkylene group having from 1 to 8 carbon atoms, which may have oxygen or sulphur atoms present in the carbon chain, and X represents an amido-containing organic group selected from ##STR15## and --[NZ(CH 2 ) n ] p NZ(CH 2 ) n NZQ wherein R' represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an alkenyl group or an aryl group, each R" represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms or an aryl group, Q represents an alkyl group or a hydrogen atom, each Z represents a hydrogen atom, a lower alkyl group or an ##STR16## group, wherein R' is as hereinabove defined, at least one Z being a ##STR17## group, n is an integer of from 2 to 6 and p has a value of 0, 1 or 2, at least 50 percent of the total silicon-bonded substituents in the polydiorganosiloxane being methyl, any remaining silicon-bonded substituents being selected from mono valent hydrocarbon groups having from 2 to 20 carbon atoms, --RNH 2 groups, --RCOOH groups and --R[NH(CH 2 ) n ] p NH(CH 2 ) n NH 2 groups.

Claim 3

A composition according to claim 1 wherein the RX groups provide not more than 7.5% of the substituents in the polydiorganosiloxane.

Claim 4

A composition according to claim 2 wherein the RX groups provide 1% of the substituents in the polydiorganosiloxane.

Claim 5

A composition according to claim 1 wherein X represents a group ##STR18## or a group ##STR19##

Claim 6

A composition according to claim 1 wherein the polydiorganosiloxane comprises a substantially linear tri-organosiloxy endblocked polysiloxane.

Claim 7

A composition according to claim 1 wherein the polydiorganosiloxane has a viscosity in the range from 5.10 -5 to 5.10 -2 m 2 /s at 25° C.

Claim 8

A composition according to claim 1 in the form of an aqueous dispersion.

Claim 9

A composition according to claim 7 comprising from 5 to 35% of (A) and (B) by weight in the total composition.

Claim 10

A composition according to claim 1 comprising from 1.0 to 40 parts by weight of (A) per part by weight of (B).

Claim 11

A composition according to claim 1 wherein the cationic surfactant comprises one or more of an alkyl methyl quaternary ammonium compound, an amido alkoxylated quaternary ammonium compound, a quaternised amido imidazoline, a quaternary polyamine salt, a quaternary poly alkylene imine salt and an alkyl pyridinium salt.

Claim 12

A composition according to claim 10 wherein the cationic surfactant comprises a long chain fatty alkyl group derived from tallow or hydrogenated tallow.

Claim 13

A composition according to claim 10 wherein the cationic surfactant comprises dimethyl ditallow ammonium chloride.

Claim 14

A composition according to claim 1 comprising also as emulsifying agents one or more of glycerol monostearate, sorbitan monostearate and sorbitan monooleate.

Claim 15

A process for the treatment of textiles which comprises applying thereto a composition comprising (A) a cationic surfactant which is substantive to water rinse on textile fabrics and (B) a polydiorganosiloxane having in the molecule at least one silicon-bonded group --RX wherein R represents an alkylene group having from 1 to 8 carbon atoms, which may have oxygen or sulphur atoms present in the carbon chain, and X represents an amido-containing organic group selected from ##STR20## and --[NZ(CH 2 ) n ] p NZ(CH 2 ) n NZQ wherein R' represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an alkenyl group or an aryl group, each R" represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms or an aryl group, Q represents an alkyl group or a hydrogen atom, each Z represents a hydrogen atom, a lower alkyl group or an ##STR21## group, wherein R' is as hereinabove defined, at least one Z being a ##STR22## group, n is an integer of from 2 to 6 and p has a value of 0, 1 or 2, at least 50 precent of the total silicon-bonded substituents in the polydiorganosiloxane being methyl, any remaining silicon-bonded substituents being selected from monovalent hydrocarbon groups having from 2 to 20 carbon atoms, --RNH 2 groups, --RCOOH groups and --R[NH(CH 2 ) n ] p NH(CH 2 ) N NH 2 groups.

Claim 16

A process for the treatment of textiles which comprises applying thereto a composition comprising (A) a cationic surfactant which is substantive to water rinse on textile fabrics and (B) a polydiorganosiloxane having in the molecule at least one silicon-bonded group --RX wherein R represents an alkylene group having from 1 to 8 carbon atoms, which may have oxygen or sulphur atoms present in the carbon chain, and X represents an amido-containing organic group selected from ##STR20## and --[NZ(CH 2 ) n ] p NZ(CH 2 ) n NZQ wherein R' represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an alkenyl group or an aryl group, each R" represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms or an aryl group, Q represents an alkyl group or a hydrogen atom, each Z represents a hydrogen atom, a lower alkyl group or an ##STR21## group, wherein R' is as hereinabove defined, at least one Z being a ##STR22## group, n is an integer of from 2 to 6 and p has a value of 0, 1 or 2, at least 50 precent of the total silicon-bonded substituents in the polydiorganosiloxane being methyl, any remaining silicon-bonded substituents being selected from monovalent hydrocarbon groups having from 2 to 20 carbon atoms, --RNH 2 groups, --RCOOH groups and --R[NH(CH 2 ) n ] p NH(CH 2 ) N NH 2 groups.

Claim 17

A process according to claim 14 wherein the composition is applied during the rinsing stage of a laundering process.

Claim 18

A process according to claim 15 wherein 5 to 500 parts by weight of (A) and (B) per million parts of water are employed in the rinsing stage of a laundering process.

Claim 19

A textile fabric when treated with a composition comprising (A) a cationic surfactant which is substantive to water rinse on textile fabrics and (B) a polydiorganosiloxane having in the molecule at least one silicon-bonded group --RX wherein R represents an alkylene group having from 1 to 8 carbon atoms, which may have oxygen or sulphur atoms present in the carbon chain, and X represents an amido-containing organic group selected from ##STR23## and --[NZ(CH 2 ) n ] p NZ(CH 2 ) n NZQ wherein R' represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an alkenyl group or an aryl group, each R" represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms or an aryl group, Q represents an alkyl group or a hydrogen atom, each Z represents a hydrogen atom, a lower alkyl group or an ##STR24## group, wherein R' is as hereinabove defined, at least one Z being a ##STR25## group, n is an integer of from 2 to 6 and p has a value of 0, 1 or 2, at least 50 persent of the total silicon-bonded substituents in the poly diorganosiloxane being methyl, and remaining silicon-bonded substituents being selected from monovalent hydrocarbon groups having from 2 to 20 carbon atoms, --RNH 2 groups, --RCOOH groups and --R[NH(CH 2 ) n ] n NH(CH 2 groups.

Claim 20

A textile fabric when treated with a composition comprising (A) a cationic surfactant which is substantive to water rinse on textile fabrics and (B) a polydiorganosiloxane having in the molecule at least one silicon-bonded group --RX wherein R represents an alkylene group having from 1 to 8 carbon atoms, which may have oxygen or sulphur atoms present in the carbon chain, and X represents an amido-containing organic group selected from ##STR23## and --[NZ(CH 2 ) n ] p NZ(CH 2 ) n NZQ wherein R' represents a hydrogen atom, an alkyl group having from 1 to 20 carbon atoms, an alkenyl group or an aryl group, each R" represents a hydrogen atom, an alkyl group having from 1 to 18 carbon atoms or an aryl group, Q represents an alkyl group or a hydrogen atom, each Z represents a hydrogen atom, a lower alkyl group or an ##STR24## group, wherein R' is as hereinabove defined, at least one Z being a ##STR25## group, n is an integer of from 2 to 6 and p has a value of 0, 1 or 2, at least 50 persent of the total silicon-bonded substituents in the poly diorganosiloxane being methyl, and remaining silicon-bonded substituents being selected from monovalent hydrocarbon groups having from 2 to 20 carbon atoms, --RNH 2 groups, --RCOOH groups and --R[NH(CH 2 ) n ] n NH(CH 2 groups.