The disclosure provides a quantum dot composition, a quantum dot luminescent material, a preparation method thereof and a light-emitting device containing the same. The quantum dot composition includes a microemulsion, a polymer precursor dispersing the microemulsion, wherein the microemulsion includes quantum dots, a dissolution medium dissolving the quantum dots, and an emulsifier encapsulating the dissolution medium.

The present invention discloses a resin composition containing an isocyanurate ring-containing urethane (meth)acrylate compound A, an isocyanurate ring-containing tri(meth)acrylate compound B, and a triazine ultraviolet light absorber C, wherein the isocyanurate ring-containing urethane (meth)acrylate compound A contains a compound A-1 having a specific structure, and the isocyanurate ring-containing tri(meth)acrylate compound B contains a compound B-1 having a specific structure.

The present invention discloses a resin composition containing an isocyanurate ring-containing urethane (meth)acrylate compound A, an isocyanurate ring-containing tri(meth)acrylate compound B, and a triazine ultraviolet light absorber C, wherein the isocyanurate ring-containing urethane (meth)acrylate compound A contains a compound A-1 having a specific structure, and the isocyanurate ring-containing tri(meth)acrylate compound B contains a compound B-1 having a specific structure.

The present invention relates to novel (per)fluoropolyether (PFPE) polymers, to a process for their manufacture and to their use as additives in coating compositions.

The present invention relates to novel (per)fluoropolyether (PFPE) polymers, to a process for their manufacture and to their use as additives in coating compositions.

The present invention is a composite stretchable film including: a surface film which is a cured product of a polyurethane 1 containing a copolymer of one or more of units a1 to a4 and silicone-pendant type urethane units b1 and/or b2 represented by the following general formula (1); and an inner film which is a cured product of a polyurethane 2 containing a unit c having polyether and urethane bonds represented by the following general formula (2), on which the surface film is laminated. The present invention provides a stretchable film that has excellent stretchability and strength, with the film surface having excellent water repellency, and a method for forming the same.

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The present invention provides a composition for a soft urethane foam to prepare a soft urethane foam, comprising a polyol, and a foamed soft urethane foam using the same, wherein the polyol is any one selected from among a hydrocarbon polyol, a vegetable oil, and a vegetable-oil-derived dimer acid, or a mixture of a hydrocarbon polyol with any one selected from among a vegetable oil and a vegetable-oil-derived dimer acid. The present invention provides an impregnation material for impregnation of a cosmetic composition, which can control the polarity of the impregnation material for impregnating a hydrophilic cosmetic composition, and an impregnation-use urethane foam composition for preparing the same.

Methods and formulations for manufacturing polishing articles used in polishing processes are provided. In one implementation, a UV curable resin precursor composition is provided. The UV curable resin precursor comprises a precursor formulation. The precursor formulation comprises a first resin precursor component that comprises a semi-crystalline radiation curable oligomeric material, wherein the semi-crystalline radiation curable oligomeric material is selected from a semi-crystalline aliphatic polyester urethane acrylate, a semi-crystalline aliphatic polycarbonate urethane acrylate, a semi-crystalline aliphatic polyether urethane acrylate, or combinations thereof. The precursor formulation further comprises a second resin precursor component that comprises a monofunctional or multifunctional acrylate monomer. The resin precursor formulation further comprises a photoinitiator, wherein the precursor formulation has a viscosity that enables the precursor formulation to be dispensed to form a portion of a polishing article by an additive manufacturing process.

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.

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.