Abstract:
Disclosed is an antioxidant for a thermoplastic resin that provides an excellent oxidation-preventing effect to a thermoplastic resin and that has an excellent effect of preventing a change in color caused by nitrogen oxides. Specifically, a compound represented by any of General Formulae (2) to (4), particularly a compound in which R2 in the formulae is an alkyl group having 1 to 8 carbon atoms whose terminal on an oxygen atom side is linked with —CO—O—, is used as the antioxidant for a thermoplastic resin. Details of General Formulae (2) to (4) are as described in the description.
Abstract:
The present invention provides oxime ester compounds represented by general formula (I), a photopolymerization initiator using said compound, and a photosensitive composition, alkali-developable photosensitive resin composition, and colored alkali-developable photosensitive resin composition containing same, and cured products thereof. The compounds of the present invention have excellent stability and low sublimability, and are useful as highly sensitive photopolymerization initiators that are activated by efficiently absorbing near ultraviolet light of 365 nm, etc. (I) (See the Specification for the definitions of R1-R8 in the formula. n represents 0 or 1.)
Abstract:
The present invention relates to a gel-like composition for a cosmetic preparation including 0.05 part by mass to 3 parts by mass of a compound represented by the following general formula (1) with respect to 100 parts by mass of water, which is not destroyed by a change in pH or by the addition of a salt into the gel, and gives a feeling of use equivalent to that of a gel produced using an alkali thickening type gelling agent. where, R1 and R2 each represent an alkyl group having 28 to 36 carbon atoms, R3 and R4 each represent a hydrocarbon group having 4 to 13 carbon atoms, m and n each represent a number from 10 to 500, x represents a number from 1 to 1,000, and y represents a number from 0 to 10.
Abstract:
Disclosed is an aluminum compound of general formula (I) and a thin film forming material containing the aluminum compound. In formula (I), R1 and R2 each represent straight or branched C2-C5 alkyl, and R3 represent methyl or ethyl. R1 and R2 are each preferably ethyl. The compound has a low melting temperature, sufficient volatility, and high thermal stability and is therefore suited for use as a material for thin film formation by CVD.
Abstract:
The object of the present invention is to efficiently produce useful terpenoid compounds, and specifically, to provide a method for preparing squalene, which is an important intermediate of terpenoid. The object can be solved by a hydroxymethylglutaryl CoA reductase (HMGR) comprising:(a) an amino acid other than alanine (A) at the 10th position in an Sα2 amino acid sequence of HMGR, (b) an amino acid other than proline (P) at the 1st position from the carboxyl terminal in the DKK region of the HMG-CoA binding site of HMGR, (c) an amino acid other than alanine (A) at the 1st position in an Lα2 amino acid sequence of HMGR, and (d) an amino acid other than glutamic acid (E) at the 6th position in an Lα2 amino acid sequence of HMGR of the present invention.
Abstract:
A curable resin composition which comprising (A), (B) and (C) as follows: (A) 100 parts by mass of polyfunctional epoxy component which contains (A1) a trifunctional epoxy compound having three glycidyl groups in a molecule and (A2) a tetrafunctional epoxy compound having four glycidyl groups in a molecule, wherein (A1):(A2) is 10:90 to 90:10 in terms of mass; (B) 25 to 200 parts by mass of a cyanic acid ester compound having two or more of cyanato groups; and (C) 0.5 to 20 parts by mass of an imidazole compound as a curing agent.
Abstract:
The present invention provides a skin cosmetic composition including a component (A) which is either one or both of hexyl glyceryl ether and cyclohexyl glyceryl ether, a component (B) which is either one or both of 1,2-propanediol and 1,3-propanediol, and a component (C) such as citric acid, an antibacterial agent including components (A), (B) and (C) and a method for enhancing an antibacterial effect of the component (A).
Abstract:
This carrier carries a pigment (A) and a co-adsorbent (B) represented by the following general formula (1). (In the formula, ring A represents a 5- or 6-membered heterocycle which may be further condensed; the hydrogen atom in ring A may be substituted by a hydrocarbon group which may have a substituent, a halogen atom, a cyano group, a nitro group, a —OR2 group, or a —SR2 group; Z represents a divalent aliphatic hydrocarbon group interrupted 0-3 times by —O— or the like; Z1 represents a divalent aromatic group; R1 represents a carboxylic acid group, a sulfonic acid group, a phosphoric acid group, or a phosphonic acid group; R2 and R3 represent a hydrocarbon group which may have a hydrogen atom or a substituent; Anm− represents an m-valent anion; m represents an integer of 1 or 2; and p represents a coefficient for maintaining a neutral electric charge).
Abstract:
A transparentization agent composition is a mixture containing 100 parts by mass of a dibenzylidene sorbitol compound represented by a general formula (I) having a particle diameter such that d97 is from 30 μm to 200 μm and 5 to 200 parts by mass of tetrakis[3(3,5-di-tert-butyl-4-hydroxyphenyl)propionyloxymethyl]methane, wherein the total for the two components is 50% by mass or more of the mixture. Also disclosed is a method for producing a polypropylene resin composition, including obtaining a polypropylene resin composition in which a dibenzylidene sorbitol compound represented by a general formula (I) having a particle diameter such that d97 is from 30 μm to 200 μm is incorporated in a polypropylene resin, by kneading a mixture containing 100 parts by mass of the polypropylene resin and 0.05 to 2 parts by mass of the dibenzylidene sorbitol compound by using a biaxial extruder at an extrusion temperature of from 220 to 250° C.
Abstract:
Disclosed is a novel compound represented by formula (1) below. In the formula, A represents an optionally substituted aromatic hydrocarbon ring or aromatic heterocyclic group, B represents a group including a chain of one to four pieces of one or more groups selected from groups represented by specific formulae (B-1) to (B-13) (such as —C═C— or —N═N—, specifically see the description), R1 to R3 each represent an optionally substituted hydrocarbon or hydrocarbonoxy group, at least one of R1 to R3 represents an optionally substituted hydrocarbonoxy group, R4 and R5 each represent an optionally substituted hydrocarbon group, R4 and R5 may be linked together to form a ring, and R4 and R5 may be each independently linked with A to form a ring.