EP0396457A2 — Antistatic detergent compositions

Claim 1

Independent Claim 181 words

An antistatic and soil release promoting composition which, when added to a nonionic detergent composition or to wash water containing such a detergent composition or its components, significantly improves the antistatic action on washed laundry of the detergent composition or the wash water, which comprises a cationic fabric softener (CFS), an antistatic silicone polymer of the formula: wherein R² and R³ are each independently alkyl or aryl, which may be substituted with lower alkyl; R⁴ is hydrogen or R²; Z¹ is -CH₂CHA-(CH₂) r Si(R¹)₃; Z and Z² are each independently (R⁶) n SiH (3-n) or -CH₂CHA-(CH₂) r Si(R¹)₃; n is 0 to 3; R⁶ is alkyl, alkoxy, phenoxy or aryl, which may be substituted with lower alkyl; R⁵ is R² or Z¹; x is 2 to 1000; y is 1 to 200; p is 0 to about 50% of y; A is hydrogen, alkyl or phenyl; r is 0 to 12; and R¹ is hydroxy, acyloxy, halogen, amino, alkoxy, aryloxy or aryloxy substituted with lower alkyl, halogen or acyloxy; and a soil release promoting polyethylene terephthalate - polyoxyethylene terephthalate copolymer (PET-POET).

Claim 2

Dependent Claim 181 words

An antistatic and soil release promoting composition which, when added to a nonionic detergent composition or to wash water containing such a detergent composition or its components, significantly improves the antistatic action on washed laundry of the detergent composition or the wash water, which comprises a cationic fabric softener (CFS), an antistatic silicone polymer of the formula: wherein R² and R³ are each independently alkyl or aryl, which may be substituted with lower alkyl; R⁴ is hydrogen or R²; Z¹ is -CH₂CHA-(CH₂) r Si(R¹)₃; Z and Z² are each independently (R⁶) n SiH (3-n) or -CH₂CHA-(CH₂) r Si(R¹)₃; n is 0 to 3; R⁶ is alkyl, alkoxy, phenoxy or aryl, which may be substituted with lower alkyl; R⁵ is R² or Z¹; x is 2 to 1000; y is 1 to 200; p is 0 to about 50% of y; A is hydrogen, alkyl or phenyl; r is 0 to 12; and R¹ is hydroxy, acyloxy, halogen, amino, alkoxy, aryloxy or aryloxy substituted with lower alkyl, halogen or acyloxy; and a soil release promoting polyethylene terephthalate - polyoxyethylene terephthalate copolymer (PET-POET).

Claim 3

Dependent Claim 176 words

A composition according to claim 1 wherein the CFS is a quaternary ammonium salt, in the formula of the silicone polymer Z and Z² are each independently (R⁶) n SiH (3-n) wherein R⁶ is alkyl of 1 to 18 carbon atoms, n is 3, p is 0, R², R³ and R⁵ are independently methyl and/or ethyl, Z¹ is -CH₂CHA-(CH₂) r Si(R¹)₃, wherein A is hydrogen, r is 0 to 6, and R¹ is lower alkoxy of 1 to 4 carbon atoms, x is in the range of 20 to 200 and y is in the range of 1 to 15, and the PET-POET is of a molecular weight in the range of 15,000 to 50,000, the proportion of silicone polymer present is an antistatic action improving proportion, and the proportion of PET-POET present is a soil release promoting proportion, and the composition is in particulate form, with the particles thereof each containing silicone polymer and PET-POET, as such components are present when a melt of a mix thereof is cooled to solidification and is size reduced.

Claim 4

Dependent Claim 13 words

A composition according to claim 2 which comprises a low molecular weight polyacrylate.

Claim 5

Dependent Claim 12 words

A composition according to claim 3 which comprises a silicone glycol copolymer.

Claim 6

Dependent Claim 214 words

A composition according to claim 4 in which the quaternary ammonium salt is of the formula wherein R⁷ and R⁸ are lower alkyls of 1 to 3 carbon atoms, R⁹ is higher alkyl of 10 to 20 carbon atoms, R¹⁰ is alkyl of 1 to 20 carbon atoms, and X is halogen, in the formula of the silicone polymer R¹ is methoxy, R², R³ and R⁵ are each methyl, r is 0, x is in the range of 30 to 170 and y is in the range of 1 to 10, the molecular weight of the PET-POET is in the range of 20,000 to 40,000, the polyacrylate is sodium polyacrylate of a molecular weight in the range of 1,000 to 10,000 and the silicone glycol copolymer is of the formula wherein R¹³ is a hydrocarbyl radical of 1 to 10 carbon atoms, s is in the range of 6 to 420, t is in the range of 3 to 30, and m + q = 25 to 100, with the molar proportion of ethoxy groups to propoxy groups being in the range of 1:4 to 7:3, and the proportions of such components are in the ranges of 20 to 100, 2 to 30, 40 to 95, 1 to 8 and 2 to 30, respectively.

Claim 7

Dependent Claim 173 words

A composition according to claim 5 in which, in the formula of the quaternary ammonium salt, R⁷ and R⁸ are each methyl, R⁹ and R¹⁰ are each stearyl and X is chlorine, in the formula of the silicone polymer x is about 160 and y is about 4, the PET-POET is of a weight average molecular weight of about 30,000, the sodium polyacrylate is of a molecular weight of about 2,000 and in the silicone glycol copolymer formula R¹³ is of about 3 carbon atoms, s is in the range of 20 to 200, t is in the range of 8 to 20, m + q = 45 to 75, and the molar proportion of ethoxy groups to propoxy groups is in the range of 1:2 to 2:1, the proportions of such components are in the ranges of 40 to 80, 10 to 15, 65 to 80, 3 to 7 and 7 to 13, respectively, and the composition particles are of sizes in the range of No's. 10 to 100, U.S. Sieve Series.

Claim 8

Dependent Claim 67 words

A detergent composition of improved fabric softening, soil release promoting and antistatic properties, so that laundry washed with it will be softer, cleaner and of decreased tendency to accumulate static charges, which comprises a detersive proportion of nonionic detergent, a building proportion of builder for the nonionic detergent and a fabric softening, soil release promoting and antistatic proportion of a composition of claim 1, or components thereof.

Claim 9

Dependent Claim 170 words

A composition according to claim 7, in particulate form, which comprises 8 to 30% of nonionic detergent, 30 to 70% of builder for such nonionic detergent, 0.5 to 10% of CFS, 0.1 to 2% of an antistatic silicone polymer of the formula: wherein R² and R³ are each independently alkyl or aryl, which may be substituted with lower alkyl; R⁴ is hydrogen or R²; Z¹ is -CH₂CHA-(CH₂) r Si(R¹)₃; Z and Z² are each independently (R⁶) n SiH (3-n) or -CH₂CHA-(CH₂) r Si(R¹)₃; n is 0 to 3; R⁶ is alkyl, alkoxy, phenoxy or aryl, which may be substituted with lower alky; R⁵ and R² or Z¹; x is 2 to 1000; y is 1 to 200; p is 0 to about 50% of y; A is hydrogen, alkyl or phenyl; r is 0 to 12; and R¹ is hydroxy, acyloxy, halogen, amino, alkoxy, aryloxy or aryloxy substituted with lower alkyl, halogen or acyloxy and 1 to 10% of a soil release promoting polyethylene terephthalate - polyoxyethylene terephthalate copolymer (PET-POET).

Claim 10

Dependent Claim 91 words

A composition according to claim 8 wherein the nonionic detergent is a condensation product of a higher fatty alcohol and ethylene oxide, the CFS is a quaternary ammonium halide, the antistatic silicone polymer is one wherein R¹ is methoxy, R², R³, R⁵ and R⁶ are each methyl, r is 0, x is about 160, y is about 4, n is 3, p is 0, Z¹ is -CH₂CHA-(CH₂) r Si(R¹)₃, wherein A is hydrogen, and the PET-POET copolymer is of a weight average molecular weight in the range of 15,000 to 50,000.

Claim 11

Dependent Claim 85 words

A composition according to claim 9 which comprises 0.2 to 0.7% of a low molecular weight polyacrylate and/or 0.1 to 2% of a silicone glycol copolymer of the formula wherein R¹³ is a hydrocarbyl radical of 1 to 10 carbon atoms, x is in the range of 6 to 420, t is in the range of 3 to 30, and m + q = 25 to 100, with the molar proportion of ethoxy groups to propoxy groups being in the range of 1:4 to 7:3.

Claim 12

Dependent Claim 58 words

A composition according to claim 9 which comprises 12 to 25% of the nonionic detergent, 35 to 65% of sodium tripolyphosphate, 2 to 10% of sodium silicate, 1 to 6% of CFS, 1.0 to 1.5% of the silicone polymer, 0.3 to 0.7% of sodium polyacrylate, 6.5 to 8% of PET-POET, and 0.7 to 1.3% of silicone glycol copolymer.

Claim 13

Dependent Claim 62 words

A composition according to claim 9 which comprises 12 to 25% of nonionic detergent, 15 to 35% of sodium carbonate, 5 to 20% of sodium bicarbonate, 10 to 35% of hydrated zeolite, 1 to 6% of CFS, 0.5 to 1.5% of silicone polymer, 0.3 to 0.7% of sodium polyacrylate, 1 to 10% of PET-POET and 0.1 to 2% of silicone glycol copolymer.

Claim 14

Dependent Claim 33 words

A process for manufacturing a composition according to claim 1 which comprises heating at least the antistatic silicone polymer and the PET-POET thereof at an elevated temperature, cooling to solidification and size reducing.

Claim 15

Dependent Claim 55 words

A process according to claim 13 wherein the antistatic silicone polymer and the PET-POET are heated to a temperature of at least 200°C., cooled to solidification and size reduced, after which they are blended with particulate CFS, with the product resulting being of particle sizes in the No's. 10 to 100 range, U.S. Sieve Series.

Claim 16

Dependent Claim 32 words

An antistatic and soil release promoting article which comprises a composition of claim 7 in a permeable pouch, through walls of which it is transported to wash water during washing of laundry.

Claim 17

Dependent Claim 68 words

A detergent composition of improved fabric softening, soil release promoting and antistatic properties, so that laundry washed with it will be softer, cleaner and of a decreased tendency to accumulate static charges, which comprises a detersive proportion of nonionic detergent, a building proportion of builder for the nonionic detergent, a soil release promoting proportion of SRP and a fabric softening and antistatic proportion of Silicone X type polymer.

Claim 18

Dependent Claim 68 words

A detergent composition of improved fabric softening, soil release promoting and antistatic properties, so that laundry washed with it will be softer, cleaner and of a decreased tendency to accumulate static charges, which comprises a detersive proportion of nonionic detergent, a building proportion of builder for the nonionic detergent, a soil release promoting proportion of SRP and a fabric softening and antistatic proportion of Silicone X type polymer.

Claim 19

Dependent Claim 59 words

A detergent composition of improved fabric softening soil release promoting and antistatic properties, so that laundry washed with it will be softer, cleaner and of a decreased tendency to accumulate static charges, which comprises a detersive proportion of nonionic detergent, a soil release promoting proportion of SRP and a fabric softening and antistatic proportion of Silicone X type polymer.

Claim 20

Dependent Claim 59 words

A detergent composition of improved fabric softening soil release promoting and antistatic properties, so that laundry washed with it will be softer, cleaner and of a decreased tendency to accumulate static charges, which comprises a detersive proportion of nonionic detergent, a soil release promoting proportion of SRP and a fabric softening and antistatic proportion of Silicone X type polymer.

Claim 21

Dependent Claim 15 words

A detergent composition according to claim 17, which comprises water and is in liquid form.

Claim 22

Dependent Claim 38 words

A process for washing laundry and at the same time treating it with soil release promoting and fabric softening and antistatic materials which comprises washing the laundry in wash water containing a softergent composition according to claim 7.

Claim 23

Dependent Claim 38 words

A process for washing laundry and at the same time treating it with soil release promoting and fabric softening and antistatic materials which comprises washing the laundry in wash water containing a detergent composition according to claim 16.

Claim 24

Dependent Claim 38 words

A process for washing laundry and at the same time treating it with soil release promoting and fabric softening and antistatic materials, which comprises washing the laundry in wash water containing a detergent composition according to claim 17.

Antistatic detergent compositions

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