Curable sealant compositions comprise the components: a) x weight percent of at least one polythiol; b) y weight percent of at least one unsaturated compound having at least two non-aromatic carbon-carbon double bonds, at least one carbon-carbon triple bond, or a combination thereof; c) from 0.01 to 8 weight percent of at least one organoborane-amine complex; d) from 0.05 to 10 weight percent of at least one organic peroxide; and e) from 0.01 to 10 weight percent of a photoinitiator system capable of generating free radicals upon exposure to actinic radiation. Each of x and y represents a positive real number. The sum x+y is in the range of 72 to 99. The weight percent ranges of the components a)-e) are based on the total weight of the components a)-e). A seal cap including the curable sealant composition and methods of making and using the curable sealant compositions are also disclosed.

An object of the present invention is to provide an aqueous dispersion for use in a cosmetic, which has both the flexibility and hair styling properties (hair set retention properties), and which allows for easily re-styling hair when the hair style once set has been disturbed; and a cosmetic including the same. In the above mentioned aqueous dispersion and the cosmetic, a polyurethane is used, which is obtainable from a polyol component including at least one type of a polyether polyol and a polyester polyol, and a polyvalent isocyanate component, wherein the polyol component includes: a polyether polyol containing as a major component a structural unit derived from a polyalkylene glycol having from 2 to 4 carbon atoms, and having a number average molecular weight of 400 or more and 4,000 or less; or a polyester polyol containing a structural unit derived from at least one type of dicarboxylic acid selected from the group consisting of phthalic acid, isophthalic acid and terephthalic acid.

There is provided a compound represented by general formula (lb), wherein ring A is a carbocyclic or heterocyclic ring, a reaction product of the reaction between one or more said compounds and one or more amine containing compounds. Also provided is related production methods thereof.

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There is provided a compound represented by general formula (lb), wherein ring A is a carbocyclic or heterocyclic ring, a reaction product of the reaction between one or more said compounds and one or more amine containing compounds. Also provided is related production methods thereof.

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A surface finish composition including a silica-bonded reversibly cross-linked co-polymer and a water-dispersible polyurethane. The silica-bonded reversibly cross-linked co-polymer includes a base co-polymer including monomers derived from one or more ethylenic polymerizable monomers and an alkoxysilyl acrylate; a reversible cross-linking agent; and a silica nanoparticle bonded to the base co-polymer. The amount of water-dispersible polyurethane is 15-50% by weight of the combined amount of water-dispersible polyurethane and base co-polymer.

The present invention provides a photocurable composition containing an ultraviolet absorber, which has high photocurability and yields a cured material having a high cutting capacity against ultraviolet rays from the outside, a low yellow index, and colorlessness and transparency. The present invention relates to a sheet-shaped photocurable composition which includes the following components (A) to (D), and when a cured material obtained after photocuring the photocurable composition has a thickness of 150 m, a yellow index of the cured material is 4.0 or less and a light transmittance of the cured material at a wavelength of 385 nm is 5.0% or less: a component (A): a (meth)acrylate compound, a component (B): a film forming resin, a component (C): a photoinitiator, and a component (D): an ultraviolet absorber.

The present invention provides a photocurable composition containing an ultraviolet absorber, which has high photocurability and yields a cured material having a high cutting capacity against ultraviolet rays from the outside, a low yellow index, and colorlessness and transparency. The present invention relates to a sheet-shaped photocurable composition which includes the following components (A) to (D), and when a cured material obtained after photocuring the photocurable composition has a thickness of 150 m, a yellow index of the cured material is 4.0 or less and a light transmittance of the cured material at a wavelength of 385 nm is 5.0% or less: a component (A): a (meth)acrylate compound, a component (B): a film forming resin, a component (C): a photoinitiator, and a component (D): an ultraviolet absorber.

A method of forming a three-dimensional object (e.g. comprised of polyurethane, polyurea, or copolymer thereof) is carried out by: (a) providing a carrier and an optically transparent member having a build surface, the carrier and the build surface defining a build region therebetween; (b) filling the build region with a polymerizable liquid, the polymerizable liquid comprising a mixture of: (i) a light polymerizable liquid first component, and (ii) a second solidifiable component that is different from the first component; (c) irradiating the build region with light through the optically transparent member to form a solid blocked polymer scaffold and advancing the carrier away from the build surface to form a three-dimensional intermediate having the same shape as, or a shape to be imparted to, the three-dimensional object, with the intermediate containing the second solidifiable component; and then (d) contacting the three-dimensional intermediate to water to form the three-dimensional object.

The problem to be addressed by the invention is to provide a polymerizable composition for three-dimensional modeling used for producing three-dimensional models having high flexural modulus and impact strength, as well as high dimensional accuracy, and a production method for the composition. In order to solve the problem, the polymerizable composition for three-dimensional modeling contains an inorganic filler with an aspect ratio of 5 or greater, a dispersant, a photopolymerizable compound, and a thermally polymerizable compound.

The present invention provides a photocurable composition containing an ultraviolet absorber, which has high photocurability and yields a cured material having a high cutting capacity against ultraviolet rays from the outside, a low yellow index, and colorlessness and transparency. The present invention relates to a sheet-shaped photocurable composition which includes the following components (A) to (D), and when a cured material obtained after photocuring the photocurable composition has a thickness of 150 m, a yellow index of the cured material is 4.0 or less and a light transmittance of the cured material at a wavelength of 385 nm is 5.0% or less: a component (A): a (meth)acrylate compound, a component (B): a film forming resin, a component (C): a photoinitiator, and a component (D): an ultraviolet absorber.