Abstract: The present invention relates to a weather-resistant composition comprising a bisbenzotriazolylphenol compound represented by the general formula (1): [wherein A represents an alkylene group, and R1 and R2 represent a group (B): (in which R3 and R4 represent an alkyl group)], a meth)acrylate compound, and a curing agent; a coating material containing the weather-resistant composition as a main component; and a molded article. The composition can form a coating film which is not impaired in mechanical strength, exhibits excellent weather resistance, metal ion resistance and transparency for a prolonged period, and is less likely to cause surface cracks.

Abstract: A novel compound suitable for use as an ultraviolet absorber is provided. Further provided are a resin composition and a coating material each containing the novel compound. A bis(benzotriazolyl phenol) compound represented by the following general formula (1), a resin composition containing the compound, and an ultraviolet-absorbing polymer prepared by copolymerization of the compound: [wherein A represents a methylene group, a (CH3)2C group or a C2H5(CH3)C group; R1 and R6, either identical to or different from each other, represent a hydrogen atom, an alkyl group having 1-4 carbon atoms, an aryl group, an alkoxy group having 1-4 carbon atoms or a halogen atom; R2 and R4, either identical to or different from each other, represent a straight-chain or branched alkylene group having 1-6 carbon atoms; R3 and R5each represents a hydrogen atom or a methyl group; and 1, m and n each indicates 0 or 1].

Abstract: The present invention provides a 2,2′-bis(6-benzotriazolylphenol) compound represented by the formula wherein A represents a methylene group or the like, R1 and R5 each represent a hydrogen atom, an alkyl group or the like, R2 represents a hydrogen atom or the like, R3 represents an alkylene group or the like, and R4 represents a hydrogen atom or a methyl group. The compound of the invention is useful as an UV absorber. Further, the compound of the invention can be incorporated into a copolymer by copolymerization with a vinyl monomer, and a polymer composition containing the copolymer can be used as an UV absorber.

Abstract: The present invention provides a 2,2'-bis(6-benzotriazolylphenol) compound represented by the formula ##STR1## wherein A represents a methylene group or the like,R.sup.1 and R.sup.5 each represent a hydrogen atom, an alkyl group or the like,R.sup.2 represents a hydrogen atom or the like,R.sup.3 represents an alkylene group or the like, andR.sup.4 represents a hydrogen atom or a methyl group.The compound of the invention is useful as an UV absorber. Further, the compound of the invention can be incorporated into a copolymer by copolymerization with a vinyl monomer, and a polymer composition containing the copolymer can be used as an UV absorber.

Abstract: An object of the present invention is to provide a novel bisbenzotriazolylphenol compound having a UV absorving effect. The bisbenzotriazolylphenol compound of the invention is represented by the formula ##STR1## wherein A is a direct bond or represents a C.sub.1-6 alkylene group, a --C(CH.sub.3).sub.2 -- group, a --C(C.sub.2 H.sub.5)(CH.sub.3)-- group, a --O-- group or a --NH-- group, R.sup.1 and R.sup.3 are the same or different and each represent a hydrogen atom, a C.sub.1-4 alkyl group, an aryl group, a C.sub.1-4 alkoxy group or a halogen atom, and R.sup.2 and R.sup.4 are the same or different and each represent a hydroxyl group or a C.sub.1-12 straight- or branched-chain hydroxyalkyl group.

Abstract: The present invention provides a polymerizable monomer represented by the general formula (1), polymer thereof, process for preparing the polymer and the use of the polymer ##STR1## wherein R.sup.1 is a hydrogen atom, methyl, chlorine or cyano, R.sup.2 is alkylene having 1 to 4 carbon atoms, R.sup.3 is alkylene having 3 to 10 carbon atoms, R.sup.4 is alkyl having 6 to 18 carbon atoms, R.sup.6 to R.sup.8 are the same or different and are each alkyl or substituted alkyl having 1 to 3 carbon atoms, A is methylene, phenylene, substituted phenylene, --CH.sub.2 O--, --CH.sub.2 CH.sub.2 O--, --CO--, --CO--N(R.sup.9)-- (wherein R.sup.9 is a hydrogen atom or methyl) or vinylene, m is 0 or 1, and X and Y are the same or different, and are each a monovalent anion or form a bivalent anion when taken together.

Abstract: The present invention provides a process for preparing a 1,1-disubstituted ethylene derivative of the formula ##STR1## which comprises reacting lead with a carbinol derivative of the formula ##STR2## wherein R.sup.1, R.sup.2, R.sup.3, X, Y, m and n are defined in the specification. The reaction is conducted more advantageously in the presence of a metal having higher ionization tendency than lead.

Abstract: A process for preparing an alkoxyphenol represented by the formula: ##STR1## wherein R is hydrogen, alkyl having 1 to 4 carbon atoms, formyl, hydroxymethyl, alkoxymethyl, dialkoxymethyl, acetoxymethyl or diacetoxymethyl, R' is alkyl having 1 to 4 carbon atoms, and n is an integer of 1 to 5, characterized in that a phenol halide represented by the formula: ##STR2## wherein R and n are as defined above, and X is chlorine or bromine is reacted, in the presence of a copper salt serving as a catalyst and of a solvent, with a product prepared by heating, in the presence of a dehydrating agent, an alkali metal hydroxide and a compound of the formula R'OH wherein R' is as defined above.

Abstract: Cyclohexadiene derivatives represented by the formula (I) ##STR1## (wherein --X-- represents ##STR2## --Y-- represents ##STR3## and R.sup.1 and R.sup.2 represent a lower alkyl group) and a process for preparing the same.

Abstract: Cyclohexadiene derivatives represented by the formula (I) ##STR1## (wherein --X-- represents ##STR2## --Y-- represents ##STR3## and R.sup.1 and R.sup.2 represent a lower alkyl group) and a process for preparing the same.

Abstract: Anisaldehyde is prepared by performing at least once the steps of (a) electrolyzing cerium (III) nitrate or ammonium cerium (III) nitrate to obtain water containing cerium (IV) nitrate or ammonium cerium (IV) nitrate and/or a solution of lower alcohol containing the cerium (IV) salt, and (b) oxidizing p-methyl anisole to anisaldehyde with the cerium (IV) salt-containing solution of lower alcohol with or without the water contained therein, or with the cerium (IV) salt-containing water having a lower alcohol admixed therewith.