Abstract: The present invention provides, for example, a method for efficiently producing a polysiloxane having a siloxane constituent unit while making it possible to improve safety and reduce environmental burden. The above-mentioned problem is solved by a method comprising a polymerization step of polymerizing a silane-based compound and a diol compound in the presence of a transesterification catalyst including at least a phosphorus compound, in which the silane-based compound is selected from a specific diaryloxysilane compound, a specific dialkoxysilane compound, and a specific silicon compound, and in the polymerization step, a polysiloxane having a siloxane constituent unit represented by any of formula (1-1) to formula (1-4) is produced. (In the formulas, R1-R10, R30-R33, Z1, Z2, J1, K1, A1, A2, L1, L2, and X are as described in the description of the present application.

Abstract: The present invention provides a method for producing an aromatic nitrile compound, the method comprising a dehydration reaction wherein a desired compound can be selectively obtained with high yield while suppressing the generation of byproducts during the regeneration of an aromatic amide compound into the corresponding aromatic nitrile compound. In addition, the present invention realizes a method for efficiently producing a carbonate ester by applying the abovementioned production method to a method for producing a carbonate ester. The above are achieved by means of a method for producing an aromatic nitrile compound involving a dehydration reaction wherein an aromatic amide compound is dehydrated, the method having a contact step for bringing the aromatic amide compound into contact with a catalyst in a gas phase during the dehydration reaction.

Abstract: The objective of the present invention is to provide a method for producing a carbonyl halide efficiently to the used halogenated methane. The method for producing a carbonyl halide according to the present invention is characterized in comprising the steps of preparing a mixed gas comprising oxygen and a halogenated methane having one or more halogeno groups selected from the group consisting of chloro, bromo and iodo, and flowing the mixed gas and irradiating a high energy light to the flowed mixed gas.

Abstract: To provide a composition containing a siloxane block-containing diol compound that is easy to manufacture industrially.

Abstract: A polyimide resin composition having a polyimide resin (A) and a polyether sulfone resin (B), wherein the polyimide resin (A) comprises a repeating structural unit of formula (1) and a repeating structural unit of formula (2), a content ratio of the repeating structural unit of the formula (1) with respect to the total of the repeating structural unit of the formula (1) and the repeating structural unit of the formula (2) is 20 to 70 mol %, and a mass ratio of the component (A) to the component (B), [(A)/(B)], is 0.1/99.9 to 65/35; and a molded article containing the same: where R1 represents a divalent group of 6 to 22 carbon atoms with an alicyclic hydrocarbon structure; R2 represents a divalent chain aliphatic group of 5 to 16 carbon atoms; and X1 and X2 each independently represent a tetravalent group of 6 to 22 carbon atoms and having an aromatic ring.

Abstract: A composition containing: a compound (a) represented by Formula (1): wherein Ar represents an aromatic ring, m represents an integer of 2 to 8, n represents an integer of 0 to 6, provided that m+n is equal to or less than a number of carbon atoms that constitute the aromatic ring, and R1 each independently represents an alkylthio group, an epoxyalkylthio group, a thiol group, a halogen group, a hydroxy group, a dialkylthiocarbamoyl group, or a dialkylcarbamoylthio group; and a polythiol (b).

Abstract: Provided is a cyanine compound being bound counterions consisting of an anion and a cation, wherein the anion is represented by the following formula (I-1): wherein R1 and R2 each independently represent a hydrogen atom or a monovalent organic group; R3 and R4 each independently represent a monovalent group such as a phenyl group; X represents a hydrogen atom, a halogen atom or a monovalent organic group; and Y represents a divalent group such as a n-propenyl group.

Abstract: A manufacturing method of a nitrile compound comprising a first step of introducing a raw material gas containing a cyclic compound having an organic substituent, ammonia, and air into a reactor and reacting the raw material gas in the presence of a catalyst to generate the nitrile compound, a second step of discharging a reacted gas from the reactor and separating the nitrile compound from the reacted gas, and a third step of collecting mist from a first residual gas obtained by separating the nitrile compound from the reacted gas to remove water and ammonium carbonate in the first residual gas.

Abstract: The present invention is able to provide an LGPS-based solid electrolyte characterized by: satisfying a composition of LiuSnvP2SyXz (6?u?14, 0.8?v?2.1, 9?y?16, 0<z?1.6; X represents Cl, Br, or I); and having, in X-ray diffraction (CuK?: ?=1.5405 ?), peaks at least at positions of 2?=19.80°±0.50°, 20.10°±0.50°, 26.60°±0.50°, and 29.10°±0.50°.

Abstract: The problem of the present invention is to provide: a thermoplastic resin having excellent heat resistance and excellent flame retardancy and having a siloxane constituent unit, particularly a thermoplastic resin suitable for optical applications; a composition containing the thermoplastic resin; and others. The problem is solved by a thermoplastic resin containing a structural unit (A) represented by general formula (I).

Abstract: A bisimide phenol compound represented by the following formula (1): wherein R1 and R2 each independently represent a hydrogen atom, a hydroxy group, or an organic group having 1 to 10 carbon atoms; two or more of both R1 and R2 are hydroxy groups; and each n is independently an integer of 1 to 5.

Abstract: Provided are an epoxy resin curing agent containing an amine composition or a modified product thereof, wherein the amine composition contains bis(aminomethyl)cyclohexane (A), a compound (B) represented by the specific formula (1), and a compound (C) represented by the specific formula (2), and wherein a mass ratio of the component (B) to the component (C) [(B)/(C)] is from 0.01 to 5.0, an epoxy resin composition, and use of an amine composition for an epoxy resin curing agent.

Abstract: An allergic disease determination method includes contacting probes selected from an allergen and a fragment thereof and a biological sample collected from a subject; detecting a reaction between the probes and an antibody contained in the biological sample; determining a type of the antibody reacted with the probes; inputting data associated with the reaction of each of the at least two types of probes with the antibody and data associated with a type of the bound antibody into a prediction model and acquiring a prediction result; and determining an allergic disease on the basis of the prediction result. The prediction model is a nonlinear model or a model having two or more explanatory variables and two or more terms, the model being created using training data associated with the reaction of at least the probes with the antibody and training data associated with the type of the bound antibody.

Abstract: Provided are an epoxy resin curing agent containing an amine composition or a modified product thereof, wherein the amine composition contains bis(aminomethyl)cyclohexane (A) and a compound (B) represented by the following formula (1), and wherein the content of the component (B) based on 100 parts by mass of the component (A) is from 1.5 to 20.0 parts by mass, an epoxy resin composition, and an epoxy resin curing agent for an amine composition. In the formula (1), R1 is an alkyl group having 1 to 6 carbon atoms optionally having a hydroxy group, R2NHCH2—, where R2 represents an alkyl group having 1 to 6 carbon atoms, or a group represented by the following formula (1A), and p is a number of 0 to 2. In the formula (1A), R3 represents a hydrogen atom or NH2—.

Abstract: A polyester resin containing: a diol constituent unit containing a unit a1 derived from spiroglycol represented by formula (1) and a unit a2 derived from ethylene glycol; and a dicarboxylic acid constituent unit containing a unit b derived from terephthalic acid and/or an ester thereof. A content of the unit a1 is from 5 to 60 mol % and a content of the unit a2 is from 30 to 95 mol %, based on a total amount of the unit a1 and the unit a2. A content of the unit b is from 80 to 100 mol % based on a total amount of the dicarboxylic acid constituent unit.

Abstract: To provide a novel resin having excellent dielectric properties, a method for producing the resin, a curable resin composition, and a cured product. The resin contains constituent units described in Group (1). R1 each independently represent a methylene group, a methylene oxy group, a methylene oxy methylene group, or an oxy methylene group. R2 and R3 each independently represent a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons. R4, R5, and R6 each independently represent a hydrogen atom, a halogen atom, an alkyl group having from 1 to 10 carbons, a halogenated alkyl group having from 1 to 10 carbons, a hydroxy group, a hydroxy alkyl group having from 1 to 10 carbons, or an aryl group having from 6 to 12 carbons.

Abstract: - - - Provided is an antireflection substrate formed by laminating the following layers (A), (B), (C) and (D) in this order: a substrate layer (A), a hard coating layer (B), a light absorbing layer (C), and a low refractive index layer (D), formed by curing a low refractive index resin composition containing an active energy ray-curable resin, hollow silica and a fluorine compound by an active energy ray, where the film thickness of the light absorbing layer (C) is 1 to 20 nm.

Abstract: The invention provides an antimicrobial fiber which exhibits excellent antimicrobial properties even without the addition of antimicrobial agents and can remain antimicrobial even after repeated washing. The antimicrobial fiber comprises a fiber having on a surface thereof a polyacetal copolymer (X) containing oxyalkylene groups, the molar amount of oxyalkylene groups in the polyacetal copolymer (X) being 0.2 to 5 mol % relative to the total of the molar amount of oxymethylene groups and the molar amount of oxyalkylene groups.

Abstract: The present application provides a method for producing an ion conductor containing Li2B12H12 and LiBH4, which includes obtaining a mixture by mixing LiBH4 and B10H14 at a molar ratio LiBH4/B10H14 of from 2.1 to 4.3; and subjecting the mixture to a heat treatment.

Abstract: A compound (A) of the present invention is represented by the formula (1): wherein each R1 independently represents a group represented by the formula (2) or a hydrogen atom, and each R2 independently represents a hydrogen atom or a linear or branched alkyl group having 1 to 6 carbon atoms, provided that at least one R1 is a group represented by the formula (2); and wherein -* represents a bonding hand.