Fabric conditioners containing alkyl substituted siloxane

Claim 2

An aqueous based fabric conditioning formulation comprising a water dispersible cationic softener a non-ionic softener and optionally an electrolyte, characterised in that the water-dispersible cationic softener is selected from the quaternary ammonium halides and the imidazolinium methosulphates and the non-ionic softener ##STR7## wherein R 1 =(CH 2 ) t CH 3 R 2 =--H, CH 3 or --(CH 2 ) z (OCH 2 CHR 3 ) x (OCH 2 CHR 4 ) y --OR 5 in which each of R 3 and R 4 represent an H or a --CH 3 group such that the resultant polyoxyalkylene derivative is a polymer of that the resultant polyoxyalkylene derivative is a polymer of ethylene oxide, or, a random and/or block copolymer of ethylene oxide and propylene oxide, R 5 =H, C 1 -C 4 alkyl or an acetoxy group, x=1-50 y=0-40 z=1-10 t=5-21 m=5-1000 n=1-100 q=1-50 and r=1-50.

Claim 3

A formulation according to claim 1 wherein in the compounds of the formula (I): m=10-120 p=5-40 q=1-6 r=1.5 x=5-15 y=1-10 z=2-5 R 3 =H R 4 is --CH 3 , and R 5 is H or --CH 3 .

Claim 4

An aqueous based fabric conditioning formulation according to claim 1, said formulation comprising: (a) a water-dispersible cationic softener selected from (i) dihydrocarbyldialkylammonium salt of the formula: ##STR8## wherein R 6 and R 7 are the same or different C 8 to C 24 alkyl or alkenyl groups, which may optionally carry additional functional groups selected from --OH, --0--, --CONH and --COO--either as substituents or as part of the main alkyl or alkenyl chain, R 7 and R 8 are the same or different C 1 -C 4 alkyl hydroxyalkyl or (poly)oxyalkylene groups, and X - is an anion selected from a halide, methosulphate and ethosulphate, (ii) an alkylimidazolinium salt of the formula (III): ##STR9## wherein R 10 is a C 1 -C 4 alkyl or hydroxyalkyl or (poly)oxyalkylene group, R 11 and R 12 are the same or different alkyl or alkenyl groups containing from 8 to 24 carbon atoms, and R 13 is hydrogen, a C 1 -C 4 alkyl or a --CO--R 11 group and X - is an anion, selected from a halide, methosulphate or ethosulphate, ##STR10## wherein R 14 =H, alkyl, hydroxyalkyl or (poly)oxyalkylene and (b) a siloxane of formula (I) and optionally (c) an electrolyte.

Claim 5

A formulation according to claim 4 wherein in the component (a) represented by formula (II), each of R 6 and R 7 is a substituent in which more than 50% of the groups are C 16 or C 18 alkyl or alkenyl groups.

Claim 6

A formulation according to claim 3 wherein in the component (a) represented by formula (II), each of the substituent groups R 6 and R 7 represent a mixture of alkyl and alkenyl groups, whereby from 50-90% are C 18 alkyl or alkenyl groups and from 10 to 50% are C 16 alkyl or alkenyl groups.

Claim 7

A formulation according to claim 3 wherein in the component (a) represented by formula (II), the substituents R 6 and R 7 are dioctadecyl groupings, the substituents R 8 and R 9 are methyl groups, and the anion X - is a chloride.

Claim 8

A formulation according to claim 3 wherein the components (a) and (b) are present in the following percentages by weight based on the total weight of (a) and (b): (a) 40% to 98% (b) 2% to 60%

Claim 9

A formulation according to claim 3 wherein the formulation is prepared as a preblend of (a) and (b) by mixing (b) with molten (a) at a temperature in the range 40° to 70° C.

Claim 10

A formulation according to claim 3 wherein said formulation is prepared as a preblend of (a) and (b) by mixing (b) with molten (a) and dispersed in water with moderate shearing at a temperature in the range 40° to 70° C.

Claim 11

A formulation according to claim 9 wherein the total amount of components (a) and (b) dispersed in water is from 2-10% w/w.

Claim 12

An aqueous based fabric conditioning formulation as claimed in claim 1 wherein R 2 in Formula (I) is --(CH 2 ) z (OCH 2 CHR 3 ) x (OCH 2 CHR 4 ) Y --OR 5 .

Claim 13

An aqueous based fabric conditioning formulation as claimed in claim 4 wherein R 2 in Formula I is --(CH 2 ) z (OCH 2 CHR 3 ) x (OCH 2 CHR 4 ) y --OR 5 .