Processing

Please wait...

Settings

Settings

Goto Application

1. WO2020117996 - COMPOSITIONS COMPRISING ENCAPSULATES

Note: Text based on automatic Optical Character Recognition processes. Please use the PDF version for legal matters

[ EN ]

CLAIMS

What is claimed is:

1. A composition comprising a consumer product adjunct material and encapsulates having a volume weighted median encapsulate size from about 0.5 microns to about 100 microns, preferably from about 1 micron to about 60 microns, said encapsulates comprising a core and a shell, said shell encapsulating said core,

a) said shell comprising a poly (meth) acrylate polymer comprising a reaction product of at least one monomer or oligomer thereof,

i. the monomer comprising a structure according to formula I

I


wherein R1 is selected from Ci to Cx alkyl;

wherein R2 is hydrogen or methyl;

wherein n is an integer from 1 to 3 ;

wherein A is a ring structure selected from:

II

III



b. said core comprising a benefit agent;

said core further comprising, based on total core weight, from greater than 0% to about 80%, preferably from greater than 0% to 50%, more preferably from greater than 0% to about 30%, most preferably from greater than 0% to about 20% of a partitioning modifier,

said composition being a consumer product.

2. The composition according to claim 1, wherein said poly (me th) acrylate polymer of the shell comprises a reaction product of at least three monomers or oligomers thereof comprising a first monomer, a second monomer, and a third monomer,

a. the first monomer comprising the structure according to formula I,

b. the second monomer comprising a basic (meth)acrylate monomer,

c. the third monomer comprising an acidic (meth) acrylate monomer.

3. A composition comprising a consumer product adjunct material and encapsulates, said encapsulates having a volume weighted median encapsulate size from about 0.5 microns to about 100 microns, preferably from about 1 micron to about 60 microns, said encapsulates comprising a core and a shell, said shell encapsulating said core, a) said shell comprising a poly (meth) acrylate polymer comprising a reaction product of at least a first monomer, a second monomer, and a third monomer, or oligomers thereof,

i. the first monomer comprising the structure according to formula I,


wherein R1 is selected from Ci to Cx alkyl;

wherein R2 is hydrogen or methyl;

wherein n is an integer from 1 to 3 ;

wherein A is a ring structure selected from:

II

III

IV


V


or

VI


with the proviso that when A of formula I is structure II, said shell being free of polymers formed from monofunctional ethylenically unsaturated monomer;

ii. the second monomer comprising a basic (meth)acrylate monomer, iii. the third monomer comprising an acidic (me th) acrylate monomer; and b) said core comprising a benefit agent;

wherein said composition is a consumer product.

4. The composition according to any preceding claim wherein the volume weighted median encapsulate size is from 25 microns to 60 microns.

5. The composition according to any preceding claim, wherein the basic (meth)acrylate monomer or oligomer thereof comprises less than 1% by weight of the encapsulate and the acidic (meth)acrylate monomer or oligomer thereof comprises less than 1% by weight of the encapsulate.

6. The composition according to any preceding claim, wherein in formula I, n = 3, R1 is selected from C2 to C5 alkyl and A is


7. The composition according to any preceding claim, wherein the monomer according to formula I is selected from





or an oligomer of any such monomer. 8. The composition according to any preceding claim, wherein said partitioning modifier comprising a modifier selected from the group consisting of vegetable oil, modified vegetable oil, mono-, di-, and tri-esters of C4-C24 fatty acids, propan-2-yl tetradecanoate (i.e., isopropyl myristate), dodecanophenone, lauryl laurate, methyl behenate, methyl laurate, methyl palmitate, methyl stearate, and mixtures thereof, preferably isopropyl myristate.

9. The composition according to any preceding claim, wherein the encapsulate, based on total encapsulate weight, comprises from about 0.5% to about 40%, more preferably 0.8% to 5% of an emulsifier, preferably said emulsifier is selected from the group consisting of polyvinyl alcohol, carboxylated or partially hydrolyzed polyvinyl alcohol, methyl cellulose, hydroxyethylcellulose, carboxymethylcellulose, methylhydroxypropylcellulose, salts or esters of stearic acid, lecithin, organosulphonic acid, 2-acrylamido-2-alkylsulphonic acid, styrene sulphonic acid, polyvinylpyrrolidone, copolymers of N-vinylpyrrolidone, polyacrylic acid, polymethacrylic acid, copolymers of acrylic acid and methacrylic acid, and water- soluble surfactant polymers which lower the surface tension of water, more preferably said emulsifier comprises polyvinyl alcohol, preferably said polyvinyl alcohol has at least one of the following properties:

(i) a hydrolysis degree from about 55% to about 99%, preferably from about 75% to about 95%, more preferably from about 85% to about 90%, most preferably from about 87% to about 89%; and/or

(ii) a viscosity of from about 40 cps to about 80 cps, preferably from about 45 cps to about 72 cps, more preferably from about 45 cps to about 60 cps, most preferably 45 cps to 55 cps in 4% water solution at 20 °C; and/or

(iii) a degree of polymerization of from about 1500 to about 2500, preferably from about 1600 to about 2200, more preferably from about 1600 to about 1900, most preferably from about 1600 to about 1800; and/or

(iv) a weight average molecular weight of from about 130,000 to about 204,000

Daltons, preferably from about 146,000 to about 186,000, more preferably from about 146,000 to about 160,000, most preferably from about 146,000 to about 155,000; and/or

(v) a number average molecular weight of from about 65,000 to about 110,000

Daltons, preferably from about 70,000 to about 101,000, more preferably from about 70,000 to about 90,000, most preferably from about 70,000 to about 80,000.

10. The composition according to any preceding claim,

wherein the basic (meth)acrylate monomer or oligomer comprises an aminoalkyl acrylate or aminoalkyl methacrylate, wherein the alkyl moieties are from one to twelve carbons, preferably wherein the basic (meth)acrylate monomer is selected from the group consisting of ethylaminoethyl acrylate, ethylaminoethyl methacrylate, aminoethyl acrylate, aminoethyl methacrylate, tertiarybutyl ethylamino acrylate, tertiarybutyl ethylamino methacrylate, tertiarybutyl aminoethyl acrylate, tertiarybutyl aminoethyl methacrylate, diethylamino acrylate, diethylamino methacrylate, diethylaminoethyl acrylate diethylaminoethyl methacrylate, dimethylaminoethyl acrylate and dimethylaminoethyl methacrylate; and/or

wherein the acidic (meth)acrylate monomer or oligomer comprises a carboxy- substituted acrylate or methacrylate monomer, preferably wherein wherein the acidic (meth)acrylate monomer comprises a carboxyalkyl acrylate, carboxyalkyl methacrylate, carboxyaryl acrylate, carboxy aryl methacrylate, or (meth)acryloyloxyphenylalkylcarboxy acid, wherein the alky moieties are from one to twelve carbons, more preferably wherein the acidic (meth)acrylate monomer is selected from the group consisting of 2-carboxyethyl acrylate, 2- carboxyethyl methacrylate, 2-carboxypropyl acrylate, 2-carboxypropyl methacrylate, carboxyoctyl acrylate, carboxyoctyl methacrylate, 2- acryloyloxybenzoic acid, 3-acryloyloxybenzoic acid, 4-acryloyloxybenzoic acid, 2-methacryloyloxybenzoic acid, 3-methacryloyloxybenzoic acid, and 4- methacryloyloxybenzoic acid, 4-acryloyloxyphenylacetic acid, and 4- methacryloyloxyphenylacetic acid.

11. The composition according to any preceding claim, wherein the encapsulate comprises a coating on said shell, preferably said coating comprises a coating material selected from the group consisting of poly(meth)acrylate, poly(ethylene-maleic anhydride), polyamine, wax, polyvinylpyrrolidone, polyvinylpyrrolidone co-polymers, polyvinylpyrrolidone-ethyl acrylate, polyvinylpyrrolidone- vinyl acrylate, polyvinylpyrrolidone methacrylate, polyvinylpyrrolidone/vinyl acetate, polyvinyl acetal, polyvinyl butyral, polysiloxane, poly (propylene maleic anhydride), maleic anhydride derivatives, co-polymers of maleic anhydride derivatives, polyvinyl alcohol, styrene-butadiene latex, gelatin, gum Arabic, carboxymethyl cellulose, carboxymethyl hydroxyethyl cellulose, hydroxyethyl cellulose,

other modified celluloses, sodium alginate, chitosan, casein, pectin, modified starch, polyvinyl acetal, polyvinyl butyral, polyvinyl methyl ether/maleic anhydride, polyvinyl pyrrolidone and its co polymers, poly (vinyl pyrrolidone/methacrylamidopropyl trimethyl ammonium chloride), polyvinylpyrrolidone/vinyl acetate, polyvinyl

pyrrolidone/dimethylaminoethyl methacrylate, polyvinyl amines, polyvinyl formamides, polyallyl amines, copolymers of polyvinyl amines, polyvinyl formamides, polyallyl amines, and mixtures thereof.

12. A composition according to any preceding claim, wherein said benefit agent is selected from the group consisting of perfume raw materials, lubricants, silicone oils, waxes, hydrocarbons, higher fatty acids, essential oils, lipids, skin coolants, vitamins, sunscreens, antioxidants, glycerine, catalysts, bleach particles, silicon dioxide particles, malodor reducing agents, odor controlling materials, chelating agents, antistatic agents, softening agents, insect and moth repelling agents, colorants, antioxidants, chelants, bodying agents, drape and form control agents, smoothness agents, wrinkle control agents, sanitization agents, disinfecting agents, germ control agents, mold control agents, mildew control agents, antiviral agents, drying agents, stain resistance agents, soil release agents, fabric refreshing agents and freshness extending agents, chlorine bleach odor control agents, dye fixatives, dye transfer inhibitors, color maintenance agents, optical brighteners, color restoration/rejuvenation agents, anti fading agents, whiteness enhancers, anti-abrasion agents, wear resistance agents, fabric integrity agents, anti-wear agents, anti-pilling agents, defoamers, anti-foaming agents, UV protection agents, sun fade inhibitors, anti- allergenic agents, enzymes, water proofing agents, fabric comfort agents, shrinkage resistance agents, stretch resistance agents, stretch recovery agents, skin care agents, synthetic or natural actives, antibacterial actives, antiperspirant actives, cationic polymers, dyes, and mixtures thereof, preferably perfume raw materials.

13. The composition according to any preceding claim, wherein said consumer product adjunct material is selected from the group consisting of: surfactants, conditioning actives, deposition aids, rheology modifiers or structurants, bleach systems, stabilizers, builders, chelating agents, dye transfer inhibiting agents, dispersants, enzymes, enzyme stabilizers, catalytic metal complexes, polymeric dispersing agents, clay and soil removal/anti-redeposition agents, brighteners, suds suppressors, silicones, hueing agents, aesthetic dyes, additional perfumes and perfume delivery systems, structure elasticizing agents, carriers, hydrotropes, processing aids, structurants, anti-agglomeration agents, coatings, formaldehyde scavengers, pigments, and mixtures thereof, preferably at least one of the following:

a. wherein said consumer product adjunct material comprises, based on total composition weight, from about 0.1% to about 50%, preferably from about 1% to about 35%, more preferably from about 2% to about 25%, more preferably from about 3% to about 20%, more preferably from about 5% to about 15% , most preferably from about 8% to about 12% or from about 3% to about 12%, preferably from about 4% to about 10%, more preferably from about 5% to about 8% of a conditioning active, preferably said conditioning active is selected from the group consisting of quaternary ammonium compounds, amines, fatty esters, sucrose esters, silicones, dispersible polyolefins, clays, polysaccharides, fatty acids, softening oils, polymer latexes and mixtures thereof;

b. wherein said consumer product adjunct material comprises from about 1% to about 70%, or from about 2% to about 60%, or from about 5% to about 50%, by weight of the composition, of a surfactant system;

c. wherein said consumer product adjunct material comprises a structurant;

d. wherein said consumer product adjunct material comprises a deposition aid; or e. a mixture thereof.

14. A composition according to any preceding claim, wherein said composition is in the form of a liquid composition, a granular composition, a single-compartment pouch, a multi-compartment pouch, a dissolvable sheet, a pastille or bead, a fibrous article, a tablet, a bar, a flake, a dryer sheet, or a mixture thereof.

15. A composition according to any preceding claim, wherein said consumer product is a fabric and home care product, a beauty care product, or a mixture thereof,

wherein if said consumer product is a fabric and home care product, preferably said fabric and home care product is selected from a laundry detergent composition, a fabric conditioning composition, a laundry and rinse additive, a fabric pre-treatment composition, a fabric refresher composition, or a mixture thereof; and

wherein if said consumer product is a beauty care product, preferably said beauty care product is selected from a hair treatment product, a skin care product, a shave care product, a personal cleansing product, a deodorant and/or antiperspirant, or a mixture thereof.