A curable composition that gives a cured product exhibiting a high refractive index and a surface without defects such as roughness or cracks, a cured product of the composition, and a compound that may be blended to the composition. A triazine compound is used as a curable component in a curable composition, the triazine compound having an optionally substituted quinolinyl group, an optionally substituted isoquinolinyl group, or an optionally substituted 2-substituted benzothiazolyl group and an aromatic-ring-containing group having a radically polymerizable group-containing group or an aromatic-ring-containing group having a cationically polymerizable group-containing group, each group bonded to the triazine ring via an amino group.

A curable composition that gives a cured product exhibiting a high refractive index and a surface without defects such as roughness or cracks, a cured product of the composition, and a compound that may be blended to the composition. A triazine compound is used as a curable component in a curable composition, the triazine compound having an optionally substituted quinolinyl group, an optionally substituted isoquinolinyl group, or an optionally substituted 2-substituted benzothiazolyl group and an aromatic-ring-containing group having a radically polymerizable group-containing group or an aromatic-ring-containing group having a cationically polymerizable group-containing group, each group bonded to the triazine ring via an amino group.

A curable composition that gives a cured product exhibiting a high refractive index and a surface without defects such as roughness or cracks, a cured product of the composition, and a compound that may be blended to the composition. A triazine compound is used as a curable component in a curable composition, the triazine compound having an optionally substituted quinolinyl group, an optionally substituted isoquinolinyl group, or an optionally substituted 2-substituted benzothiazolyl group and an aromatic-ring-containing group having a radically polymerizable group-containing group or an aromatic-ring-containing group having a cationically polymerizable group-containing group, each group bonded to the triazine ring via an amino group.

This invention relates to polymer particles, a process for their preparation, the use of these particles for the preparation of an electrophoretic device, electrophoretic displays comprising such particle, and new polymerisable dyes.

The present invention relates to: a polymerizable compound (I), wherein Y.sup.1 to Y.sup.6 are a chemical single bond, OC(O), C(O)O or the like, G.sup.1 and G.sup.2 are a divalent aliphatic group, Z.sup.1 and Z.sup.2 are an alkenyl group, A.sup.x is a fused ring group represented by a formula (II), wherein X is NR.sup.3, an oxygen atom, a sulfur atom or the like, R.sup.3 is a hydrogen atom or an alkyl group having 1 to 6 carbon atoms, and D is a substituted or unsubstituted ring having 1 to 20 carbon atoms that includes at least one nitrogen atom, A.sup.y is a hydrogen atom, an alkyl group, A.sup.1 is a trivalent aromatic group or the like, A.sup.2 and A.sup.3 are a divalent aromatic group having 6 to 30 carbon atoms or the like, and Q.sup.1 is a hydrogen atom, or an alkyl group having 1 to 6 carbon atoms. ##STR00001##

A liquid crystal composition is provided containing a first liquid crystal compound represented by formula (1):

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and a second liquid crystal compound represented by formula (2):

##STR00002##

Also provided is a method for producing the liquid crystal composition having a desired wavelength dispersion characteristic.

An optical film of the present invention includes an optically anisotropic layer containing a compound represented by the following general formula (1) or an optically anisotropic layer formed by the curing of a polymerizable composition containing a compound represented by the following general formula (1): ##STR00001##

Disclosed herein is a thioester-containing (meth)acrylate compound comprising at least two thioester moieties and at least 2 (meth)acrylate moieties and a method for making such compounds. These compounds can be used in (meth)acrylic resins as a crosslinking agent. Upon exposure to a nucleophilic solvent, cured (meth)acrylic resins derived from these thioester-containing (meth)acrylate compounds can be degraded.

Disclosed herein is a thioester-containing (meth)acrylate compound comprising at least two thioester moieties and at least 2 (meth)acrylate moieties and a method for making such compounds. These compounds can be used in (meth)acrylic resins as a crosslinking agent. Upon exposure to a nucleophilic solvent, cured (meth)acrylic resins derived from these thioester-containing (meth)acrylate compounds can be degraded.

A polymer and a composition, which have excellent ultraviolet shielding properties and excellent appearance of an aqueous solution obtained when added to water. The polymer has a repeating unit A having a structure represented by Formula (A1) and a repeating unit B having a hydrophilic group.

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