Abstract: There is provided a powder that comprises a multistage polymer that comprises (a) at least one soft polymer having glass transition temperature of 40° C. or lower, and (b) at least one hard polymer having glass transition temperature higher than 40° C., wherein the glass transition temperature of said hard polymer is at least 10° C. higher than the glass transition temperature of said soft polymer, wherein the weight ratio of said hard polymer to said soft polymer is from 1.01:1 to 100:1, and wherein said multistage polymer, after exposure to liquid water followed by drying at temperatures below 100° C., shows maximum thermal transition temperature in an atmosphere of 0% relative humidity that differs by 20° C. or less from the maximum thermal transition temperature in an atmosphere of 75% relative humidity.

Abstract: Described are novel polymers and home and personal care compositions incorporating said polymers.

Abstract: Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C3-C6 carboxylic acid monomer and from 0.1 to 3 wt % polymerized residues of at least one crosslinker, wherein percentage of crosslinker increases continuously from particle centers to particle surfaces.

Abstract: Described are methods of determining free hydrophobic active in aqueous formulations including the steps of encapsulating a hydrophobic active, preparing a formulation containing encapsulated hydrophobic active, adding a cyclodextrin to the formulation, thereby entraining any free hydrophobic active; and quantifying the amount of free hydrophobic active.

Abstract: Described are personal care compositions comprising a polymer comprising: (a) one or more polymer comprising, as polymerized units, (i) 75% to 35% by weight, based on the weight of said polymer, one or more (meth)acrylate monomer selected from at least one of C1-C4 (meth) acrylate, (meth)acrylic acid, styrene, or substituted styrene, and (ii) 25% to 65% by weight, based on the weight of said polymer, one or more hydrophobic monomer, including hydrophobically substituted (meth)acrylate monomers, with alkyl chain length from C8 to C22 and, (iii) optionally crosslinker, and, (b) at least one suncare active. Optionally, the polymer further includes a stage 2 polymer comprising, as polymerized units, (i) 10-99% of one or more monomer which has a Tg of more than 80° C. after polymer formation, (ii) 1-10% of one or more (meth)acrylate monomer containing acid functional group, and (iii) optionally, a crosslinker.

Abstract: Described are personal care compositions comprising a polymer comprising: (a) one or more polymer comprising, as polymerized units, (i) 75% to 35% by weight, based on the weight of said polymer, one or more (meth)acrylate monomer selected from at least one of C1-C4 (meth)acrylate, (meth)acrylic acid, styrene, or substituted styrene, and (ii) 25% to 65% by weight, based on the weight of said polymer, one or more hydrophobic monomer, including hydrophobically substituted (meth)acrylate monomers, with alkyl chain length from C8 to C22 and, (iii) optionally crosslinker, and, (b) at least one suncare active. Optionally, the polymer further includes a stage 2 polymer comprising, as polymerized units, (i) 10-99% of one or more monomer which has a Tg of more than 80° C. after polymer formation, (ii) 1-10% of one or more (meth)acrylate monomer containing acid functional group, and (iii) optionally, a crosslinker.

Abstract: Described are personal care compositions comprising a polyacrylate oil gel, comprising: (a) at least one cosmetically acceptable hydrophobic ester oil, and (b) one or more polymers comprising: (i) a first polymerized unit, comprising: (1) 75% to 35% by weight, based on the weight of said polymerized unit, one or more (meth)acrylate monomers selected from at least one of C1-C4 (meth)acrylate, (meth)acrylic acid, styrene, or substituted styrene, and (2) 25% to 65% by weight, based on the weight of said polymerized unit, one or more hydrophobic monomers, including hydrophobically substituted (meth)acrylate monomers, with alkyl chain length from C6 to C22 and, (ii) a second polymerized unit, comprising: (1) 10-99% by weight, based on the weight of said polymerized unit, one or more monomers which has a Tg of more than 80° C. after polymer formation, (2) 1-10% of one or more (meth)acrylate monomers containing acid functional group, and (iii) optionally, a crosslinker.

Abstract: A polymer with good compatibility comprising one or more non-ionic water soluble monomers, such as poly(ethylene glycol)(meth)acrylate (PEGMA), is provided that is suitable for use in aerosol hair styling formulations which have improved clarity. There is also provided a hair styling composition comprising (a) one or more fully soluble polymer, and (b) a solvent mixture, and optional other ingredients.

Abstract: Described are methods for encapsulating a personal care active, comprising preparing an aqueous phase, comprising partially hydrolyzed polyvinyl alcohol and a cosmetically acceptable non-ionic surfactant, preparing an oil phase, comprising the personal care active and isocyanate or polyisocyanate, homogenizing the aqueous phase and oil phase to form an emulsion with particles less than one micron, and forming a dispersion of polyurea core-shell particles containing the personal care active by contacting the emulsion with an aqueous amine solution.

Abstract: Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C3-C6 carboxylic acid monomer and from 0.1 to 2 wt % polymerized residues of at least one crosslinker, wherein the particles have a Tg which occurs over a range of at least 60° C.

Abstract: Emulsion polymer particles comprising from 25 to 45 wt % polymerized residues of at least one C3-C6 carboxylic acid monomer and from 0.1 to 3 wt % polymerized residues of at least one crosslinker, wherein percentage of crosslinker increases continuously from particle centers to particle surfaces.

Abstract: Described are methods of determining free hydrophobic active in aqueous formulations, comprising, encapsulating a hydrophobic active, preparing a formulation comprising encapsulated hydrophobic active, adding a cyclodextrin to the formulation, thereby entraining any free hydrophobic active; and quantifying the amount of free hydrophobic active.

Abstract: Described are personal care compositions comprising a polymer comprising: (a) one or more polymer comprising, as polymerized units, (i) 75% to 35% by weight, based on the weight of said polymer, one or more (meth)acrylate monomer selected from at least one of C1-C4 (meth) acrylate, (meth)acrylic acid, styrene, or substituted styrene, and (ii) 25% to 65% by weight, based on the weight of said polymer, one or more hydrophobic monomer, including hydrophobically substituted (meth)acrylate monomers, with alkyl chain length from C8 to C22 and, (iii) optionally crosslinker, and, (b) at least one suncare active. Optionally, the polymer further includes a stage 2 polymer comprising, as polymerized units, (i) 10-99% of one or more monomer which has a Tg of more than 80° C. after polymer formation, (ii) 1-10% of one or more (meth)acrylate monomer containing acid functional group, and (iii) optionally, a crosslinker.

Abstract: A composition is provided, comprising microcapsules, wherein said microcapsules comprise a core and an outer shell, wherein said core comprises one or more water-insoluble compound having melting point above 15° C., wherein said outer shell comprises one or more amino resin that is a reaction product of reactants comprising one or more polyamine and formaldehyde, and wherein said composition further comprises one or more formaldehyde scavenger, one or more reaction product of said amino resin with a formaldehyde scavenger, or a mixture thereof. Also provided is a method of making such a composition.

Abstract: Described are methods for encapsulating a personal care active, comprising preparing an aqueous phase, comprising partially hydrolyzed polyvinyl alcohol and a cosmetically acceptable non-ionic surfactant, preparing an oil phase, comprising the personal care active and isocyanate or polyisocyanate, homogenizing the aqueous phase and oil phase to form an emulsion with particles less than one micron, and forming a dispersion of polyurea core-shell particles containing the personal care active by contacting the emulsion with an aqueous amine solution.

Abstract: A method for styling hair comprising the steps of placing said hair in a desired configuration and applying a composition to said hair, said composition comprising (a) one or more fully soluble polymer, (b) solvent-propellant mixture or solvent mixture, and optional other ingredients. Also provided is a method of making polymer.

Abstract: Described are novel polymers and home and personal care compositions incorporating said polymers.

Abstract: There is provided a coating composition comprising (a) one or more microbicide, (b) one or more soluble polymer comprising acrylamide as polymerized units, wherein said polymer has is non-anionic, and (c) solvent, wherein said polymer is dissolved in said solvent. Also provided is a method of coating a substrate with such a coating, and also provided is the resulting coated substrate.

Abstract: A method for styling hair comprising the steps of placing said hair in a desired configuration and applying a composition to said hair, said composition comprising (a) one or more fully soluble polymer, (b) solvent-propellant mixture or solvent mixture, and optional other ingredients. Also provided is a method of making polymer.

Abstract: There is provided a hair styling composition comprising (a) one or more fully soluble polymer, (b) solvent-propellant mixture or solvent mixture, and optional other ingredients. Also provided is a method of making polymer.