Abstract: An aqueous dispersion includes an aqueous medium and self-crosslinkable core-shell particles dispersed in the aqueous medium. The core-shell particles include (1) a polymeric core at least partially encapsulated by (2) a polymeric shell having urethane linkages, keto and/or aldo functional groups, and hydrazide functional groups. Further, the polymeric core is covalently bonded to at least a portion of the polymeric shell.

Abstract: An alkoxysilane functionalized polysiloxane polymer can be prepared from a mixture of reactants including: a) a polysiloxane polymer having two or more reactive functional groups selected from -A-NH2, -A-OH, -A-N?C?O, -A-COOH, or combinations thereof; and b) at least one alkoxysilane having a functional group that is reactive with the reactive functional groups on the polysiloxane polymer. The alkoxysilane functionalized polysiloxane polymer can be combined with additional components to form a coating composition.

Abstract: A radiation-scattering composition, comprising a plurality of colloidal crystals or aggregates of colloidal crystals, each said crystal comprising radiation reflecting particles in a colloidal array and radiation absorbing particles dispersed in the crystals. The composition scatters radiation in a wavelength band in substantially all directions and absorbs radiation.

Abstract: A reflective material comprising a multilayered array of particles encapsulated by a matrix material, the reflective material defining a primary surface, the reflective material exhibiting: (i) visible retroreflection of incident radiation, wherein a wavelength of visible retroreflected radiation decreases from a first visible wavelength at a first angle to the primary surface to a second, shorter wavelength of visible retroreflected radiation as the viewing angle to the primary surface increases; and (ii) Bragg diffraction of the incident radiation, wherein the wavelength of radiation Bragg diffracted normal to the primary surface is longer than the wavelength of visible radiation, such that no visible radiation is retroreflected or Bragg diffracted in a direction normal to the primary surface.

Abstract: A hydroxy functional alkyl polyurea is disclosed having the formula: wherein R comprises the residue of an isocyanurate, biuret, allophonate, glycoluril, benzoguanamine, and/or polyetheramine; or R comprises the reaction product of isocyanate and alkanol amine, but the isocyanate is not HDI when the alkanol amine is diethanol amine or monomethanol amine and the isocyanate is not IPDI when the alkanol amine is monomethanol amine; wherein each R1 is independently a hydrogen, alkyl having at least 1 carbon, or a hydroxy functional alkyl having 2 or more carbons and at least one R1 is a hydroxy functional alkyl having 2 or more carbons; and n is 2-6. Further disclosed is a coating comprising: a. A film forming resin; and b.

Abstract: A dispersion of monodisperse similarly charged particles, the monodisperse particles having a maximum particle size dispersity of 10% and each particle having a surface with a minimum surface charge density of 1 ?C/cm2 and comprising pendant steric stabilizing groups.

Abstract: The present invention is directed to a coated substrate comprising: A) a heat sensitive substrate having a heat distortion temperature less than 120 degrees C., and B) a coating layer deposited on at least one surface of the substrate, wherein the coating layer is deposited from a waterborne coating composition comprising: (a) a continuous phase comprising water, and (b) a dispersed phase comprising: (i) optional pigments; (ii) polymeric particles containing carboxylic acid functionality prepared from the polymerization of a mixture of ethylenically unsaturated compounds including ethylenically unsaturated monomers; and (iii) a polycarbodiimide or a polyhydrazide. The present invention is further directed to the waterborne coating compositions used to prepare the coated substrates.

Abstract: Dispersions of graphenic carbon particles are produced using a polymeric dispersant. The polymeric dispersant includes an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant also includes at least one tail block comprising at least one (meth)acrylic acid alkyl ester.

Abstract: A dispersion of monodisperse similarly charged particles, the monodisperse particles having a maximum particle size dispersity of 10% and each particle having a surface with a minimum surface charge density of 1 ?C/cm2 and comprising pendant steric stabilizing groups.

Abstract: The invention includes a method of preparing an aqueous dispersion of particles at least partially encapsulated by a polymer, the method comprising dispersing inorganic particles in an aqueous phase; functionalizing at least a portion of the surfaces of the inorganic particles with a coupling agent, the coupling agent having pendent reactive groups; polymerizing the reactive groups on the functionalized particles with a first polymerizable component to produce inner polymer shells surrounding the inorganic particles; polymerizing a second polymerizable component to form outer polymer shells at least partially encapsulating the inner polymer shells; and producing voids within the outer polymer shells, such that the inorganic particles are received within the voids.

Abstract: Curable film-forming sol-gel compositions that are essentially free of inorganic oxide particles are provided. The compositions contain: a tetraalkoxysilane; a solvent component; and non-oxide particles, and further contain either i) a mineral acid or ii) an epoxy functional trialkoxysilane and a metal-containing catalyst. Coated articles demonstrating antiglare properties are also provided, comprising: (a) a substrate having at least one surface; and (b) a cured film-forming composition applied thereon, formed from a curable sol-gel composition comprising a silane and non-oxide particles. A method of forming an antiglare coating on a substrate is also provided.

Abstract: The present invention relates to curable compositions that include a hydrazide functional material (a) represented by the following Formula (I), For Formula (I): n is 2; independently for each n, x is 0 or 1, y is 0 or 1, provided that the sum of x and y is 1; L1, independently for each n, is selected from a divalent hydrocarbyl group optionally interrupted with at least one of —O— and —S—; L2, independently for each n, is selected from a divalent hydrocarbyl group; and R1, independently for each n, is selected from hydrogen and hydrocarbyl. The curable compositions further include a reactant (b) that has at least two reactive groups that are reactive with and form covalent bonds with the hydrazide groups of the hydrazide functional material (a). The present invention also relates to curable powder coating compositions and curable adhesive compositions.

Abstract: The present invention is directed to a coated substrate comprising: A) a heat sensitive substrate having a heat distortion temperature less than 120 degrees C., and B) a coating layer deposited on at least one surface of the substrate, wherein the coating layer is deposited from a waterborne coating composition comprising: (a) a continuous phase comprising water, and (b) a dispersed phase comprising: (i) optional pigments; (ii) polymeric particles containing carboxylic acid functionality prepared from the polymerization of a mixture of ethylenically unsaturated compounds including ethylenically unsaturated monomers; and (iii) a polycarbodiimide or a polyhydrazide. The present invention is further directed to the waterborne coating compositions used to prepare the coated substrates.

Abstract: The present invention is directed to curable film-forming compositions comprising: (a) a curing agent component comprising: (i) isocyanate functional groups; and (ii) polydialkylsiloxane functional groups; (b) a film-forming polymer comprising functional groups reactive with the isocyanate functional groups in (a); and (c) an acrylic polymer component comprising: (i) hydroxyl functional groups; and (ii) polydialkylsiloxane functional groups; wherein the components (a), (b) and (c) are different from one another. The present invention is further directed methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.

Abstract: A reflective material comprising a multilayered array of particles encapsulated by a matrix material, the reflective material defining a primary surface, the reflective material exhibiting: (i) visible retroreflection of incident radiation, wherein a wavelength of visible retroreflected radiation decreases from a first visible wavelength at a first angle to the primary surface to a second, shorter wavelength of visible retroreflected radiation as the viewing angle to the primary surface increases; and (ii) Bragg diffraction of the incident radiation, wherein the wavelength of radiation Bragg diffracted normal to the primary surface is longer than the wavelength of visible radiation, such that no visible radiation is retroreflected or Bragg diffracted in a direction normal to the primary surface.

Abstract: A method of repairing defects in automotive coatings is disclosed. More particularly, the invention relates to a method of repairing defects in color-clear composite coatings.

Abstract: The present invention is directed to acrylic polymers comprising: (i) hydroxyl functional groups; (ii) polydialkylsiloxane functional groups; and (iii) silica nanoparticles that are chemically bonded to and pendant from the acrylic polymer. The present invention is further directed to curable film-forming compositions comprising acrylic polymers, and to coated substrates comprising the curable film-forming composition applied to at least one surface of the substrates. The present invention is also drawn to methods of mitigating dirt build-up on a substrate, comprising applying to at least a portion of the substrate the curable film-forming composition described above and at least partially curing the curable film-forming composition.

Abstract: A radiation-scattering composition, comprising a plurality of colloidal crystals or aggregates of colloidal crystals, each said crystal comprising radiation reflecting particles in a colloidal array and radiation absorbing particles dispersed in the crystals. The composition scatters radiation in a wavelength band in substantially all directions and absorbs radiation.

Abstract: Dispersions of graphenic carbon particles are produced using a polymeric dispersant. The polymeric dispersant includes an anchor block comprising glycidyl (meth)acrylate, 3,4-epoxycyclohexylmethyl(meth)acrylate, 2-(3,4-epoxycyclohexyl)ethyl(meth)acrylate, allyl glycidyl ether and mixtures thereof, reacted with a carboxylic acid comprising 3-hydroxy-2-naphthoic acid, para-nitrobenzoic acid, hexanoic acid, 2-ethyl hexanoic acid, decanoic acid and/or undecanoic acid. The polymeric dispersant also includes at least one tail block comprising at least one (meth)acrylic acid alkyl ester.

Abstract: The present invention relates to curable compositions that include a hydrazide functional material (a) represented by the following Formula (I), For Formula (I): n is 2; independently for each n, x is 0 or 1, y is 0 or 1, provided that the sum of x and y is 1; L1, independently for each n, is selected from a divalent hydrocarbyl group optionally interrupted with at least one of —O— and —S—; L2, independently for each n, is selected from a divalent hydrocarbyl group; and R1, independently for each n, is selected from hydrogen and hydrocarbyl. The curable compositions further include a reactant (b) that has at least two reactive groups that are reactive with and form covalent bonds with the hydrazide groups of the hydrazide functional material (a). The present invention also relates to curable powder coating compositions and curable adhesive compositions.