Abstract: The present invention relates to a silicon dioxide composite particle with far-infrared radioactivity, which is formed by the hydrolysis, condensation and polymerization of an organic silane precursor having the structure of the formula (I) with a tetra-alkoxysilane. The high stability of organic silane precursor compounds and the low biotoxicity of silicon dioxide composite particles make the present far-infrared radioactive silicon dioxide composite particles of great potential for extensive use in related bio-products.

Abstract: A far infrared (FIR)-emitting composition includes a first polymer component and a silicon dioxide composite particle which is prepared by subjecting a tetraalkoxysilane and a compound represented by Formula (A) to hydrolysis and condensation polymerization: Y—Si(ORa)3??(A), wherein each Ra independently represents a C1-4 alkyl group or a C1-4 alkanoyl group, Y represents X—R1—, a non-substituted C1-18 linear alkyl group or a non-substituted C3-18 branched alkyl group, and X and R1 are defined as set forth in the Specification and Claims. A FIR-emitting fiber including the FIR-emitting composition is also disclosed.

Abstract: A process for preparing a triazine-based precursor for producing a micro-particulate complex containing a far infrared-emissive silica particle comprises steps of: a) subjecting 2-4-6-trichloro-1,3,5-triazine and a first nucleophilic compound to a displacement reaction in the presence of a first solvent at a first temperature range to form an intermediate; and b) subjecting the intermediate and a second nucleophilic compound to a further displacement reaction in the presence of a second solvent at a second temperature range higher than the first temperature range.

Abstract: Disclosed is an azo compound represented by Formula (I) in which R1 is hydrogen or methyl, R2 is hydrogen or methyl, and R3 is hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 9 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).

Abstract: Disclosed is an azo compound represented by Formula (I), in which R1 is hydrogen or methyl, R2 is hydrogen or methyl, and R3 is hydrogen, an unsubstituted linear alkyl group of from 1 to 4 carbon atoms, or an unsubstituted branched alkyl group of from 1 to 4 carbon atoms. This disclosure also provides a black dye composition including the azo compound represented by Formula (I).

Abstract: A process for preparing a triazine-based precursor for producing a micro-particulate complex containing a far infrared-emissive silica particle comprises steps of: a) subjecting 2-4-6-trichloro-1,3,5-triazine and a first nucleophilic compound to a displacement reaction in the presence of a first solvent at a first temperature range to form an intermediate; and b) subjecting the intermediate and a second nucleophilic compound to a further displacement reaction in the presence of a second solvent at a second temperature range higher than the first temperature range.

Abstract: The present invention relates to a silicon dioxide composite particle with far-infrared radioactivity, which is formed by the hydrolysis, condensation and polymerization of an organic silane precursor having the structure of the formula (I) with a tetra-alkoxysilane. The high stability of organic silane precursor compounds and the low biotoxicity of silicon dioxide composite particles make the present far-infrared radioactive silicon dioxide composite particles of great potential for extensive use in related bio-products.

Abstract: A process for preparing a triazine-based precursor for producing a micro-particulate complex containing a far infrared-emissive silica particle comprises steps of: a) subjecting 2-4-6-trichloro-1,3,5-triazine and a first nucleophilic compound to a displacement reaction in the presence of a first solvent at a first temperature range to form an intermediate; and b) subjecting the intermediate and a second nucleophilic compound to a further displacement reaction in the presence of a second solvent at a second temperature range higher than the first temperature range.

Abstract: The present disclosure describes novel imidazo[1,2-a]pyrimidine-containing organic light-emitting compounds represented by formula (I): wherein R1 and R2 independently represent hydrogen, an alkyl group, or an aryl group which is unsubstituted or substituted with at least one substituent selected from the group consisting of an alkyl group, an alkoxy group, and a halo group with the proviso that at least one of R1 and R2 is the aryl group. The disclosure further relates to methods for preparing these compounds, to electronic devices comprising the same, and to the use of the compounds as OLED material.

Abstract: A visible light-absorbing complex includes an electron acceptor and an electron donor, the electron donor having a triazine-based dendritic polymer formed of a core group (C) and branch groups, each of the branch groups being composed of terminal groups (P) and a triazine-based moiety group. The triazine-based dendritic polymer is represented by the following formula (I): wherein G indicates the generation number, “G-1” indicating the layer number of the branch groups, n being the number of the terminal groups, m being the number of the branch groups, wherein Z1 is a divalent group containing O or N, and an atom of Z1 bonding to the triazine group should be O or N; and wherein, when G is 1, the core group should be a triazine-based core group having a triazine ring, and an atom of each of the terminal groups bonding to the triazine ring should be O or N.

Abstract: A triazine-based monomeric compound represented by the following formula (I): wherein E is H or a substituted triazine group represented by the following formula: and D1 is represented by the following formula: -G1-B—X-G2-. B, X, G1, G2, A1, A1?, A2? and A2? are as defined in Claim 1. A di-triazine compound for preparing the triazine-based monomeric compound and a degradable polymer prepared from the triazine-based monomeric compound are also disclosed.

Abstract: A visible light-absorbing complex includes an electron acceptor and an electron donor, the electron donor having a triazine-based dendritic polymer formed of a core group (C) and branch groups, each of the branch groups being composed of terminal groups (P) and a triazine-based moiety group. The triazine-based dendritic polymer is represented by the following formula (I): wherein G indicates the generation number, “G-1” indicating the layer number of the branch groups, n being the number of the terminal groups, m being the number of the branch groups, wherein Z1 is a divalent group containing O or N, and an atom of Z1 bonding to the triazine group should be O or N; and wherein, when G is 1, the core group should be a triazine-based core group having a triazine ring, and an atom of each of the terminal groups bonding to the triazine ring should be O or N.

Abstract: A triazine-based monomeric compound represented by the following formula (I): wherein E is H or a substituted triazine group represented by the following formula: and D1 is represented by the following formula: -G1-B—X-G2-. B, X, G1, G2, A1, A1?, A2? and A2? are as defined in Claim 1. A di-triazine compound for preparing the triazine-based monomeric compound and a degradable polymer prepared from the triazine-based monomeric compound are also disclosed.

Abstract: Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.

Abstract: Dichroic dyes, dichroic dye compositions, and liquid crystal composition and liquid crystal display element containing the dichroic dyes. The dichroic dye has increased solubility and stability.

Abstract: The present invention provides a process for preparing a polyhydroxystyrene derivative, comprising adding polyhydroxystyrene to an alkaline alcohol solution to form a homogeneous polyhydroxystyrene solution; and reacting the polyhydroxystyrene solution with an ester to obtain the polyhydroxystyrene derivative. The obtained polyhydroxystyrene derivative is suitable for use as the resin component of a photoresist.