Mitsubishi Gas Chemical Company Patente

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Provided is a fragrance composition containing the following 3-(4-alkylphenyl)propanenitrile represented by General Formula (1) as an active ingredient. The fragrance composition contains 3-(4-alkylphenyl)propanenitrile having a floral scent, and a green scent or a fruity scent, as an active ingredient and has a strong floral scent. Further, use of 3-(4-alkylphenyl)propanenitrile as a fragrance, a scenting method, and a method for producing 3-(4-alkylphenyl)propanenitrile are provided. In Formula (1), R represents an alkyl group having from 2 to 4 carbon atoms.

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According to one embodiment, there is provided a method for producing an LGPS-type solid electrolyte, comprising: allowing a first solution, in which a first compound comprising, as a counter ion, a monovalent or divalent metal atom M1 ion having an ionic radius larger than that of a Li atom, or an ammonium ion, is dissolved in a solvent, to come into contact with a cation exchange resin comprising a Li ion, so that the M1 ion or the ammonium ion comprised in the first compound is exchanged with the Li ion, thereby obtaining a second solution, in which a Li-containing compound is dissolved in the solvent, removing the solvent from the second solution to obtain Li-containing crystals, mixing the Li-containing crystals with Li<3>PS<4> crystals to obtain a precursor, and treating the precursor by heating, wherein the first compound consists of the M1 ion or the ammonium ion and an anion containing an S element and an Sn element.

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According to the present invention, there can be provided a laminated resin sheet for molding, comprising: a high-hardness resin layer comprising a high-hardness resin, a base material layer comprising a polycarbonate resin (a1), disposed on one side of the high-hardness resin layer, and a hard coat layer, disposed on the opposite side of the base material layer from the high-hardness resin layer, wherein the hard coat layer has a plastic deformation percentage of 42% or more in an indentation test, the hard coat layer consists of a hard coating composition containing: (A) a 2 to 15 functional (meth)acrylate oligomer, (B) a bifunctional (meth)acrylate monomer containing 3 or more EO (ethylene oxide) units, (C) a bifunctional (meth)acrylate monomer having an aliphatic cyclic hydrocarbon structure, and (D) a photopolymerization initiator, and the content of the component (A) is 10% to 35% by mass, with respect to the total content of the component (A), the component (B), and the component (C).

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Provided is a compound represented by the following formula (I): <img class="EMIRef" id="b3334495-81dc-4e2d-a724-5989b8ef2101-ia01" /> wherein X is each independently a methine group or a nitrogen atom; n is an integer of 0 or more and 3 or less; R<1> to R<5> are each independently a hydrogen atom, a halogen atom, a cyano group, a linear, branched or cyclic alkyl group, or the like; R<6> to R<7> are each independently a hydrogen atom, a halogen atom excluding a fluorine atom, a cyano group, a linear, branched or cyclic alkyl group, or the like; and one or more of R<1> to R<5> and one or more of R<6> to R<7> are each a halogen atom or a monovalent organic group having a Hammett substituent constant σp of 0.10 or more.

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According to the present invention, there can be provided a thermoplastic resin, comprising a constituent unit (A) derived from a compound represented by the following general formula (1):wherein R₁ each independently represents a hydrogen atom or a linear or branched alkyl group containing 1 to 4 carbon atoms, R₂ each independently represents an alkylene group containing 1 to 4 carbon atoms, R₃ each independently represents a linear, branched or cyclic alkyl group containing 4 to 6 carbon atoms.

The present invention provides, for example, a method for producing a (meth)acrylate compound which suppresses the polymerization of a starting material acrylic acid ester during synthesis and is capable of producing a more highly pure reaction product. The method for producing a (meth)acrylate compound according to the present invention comprises at least the step of performing transesterification reaction of spiroglycol and a (meth)acrylic acid ester in the presence of a polymerization inhibitor, wherein the polymerization inhibitor comprises an N-oxyl compound and a polymerization inhibitor having a boiling point of 246°C or lower.

According to the present invention, a method for producing a tetrafunctional thiol having a structure represented by the following formula (1), the method including: a step for heating an episulfide resin and a polythiol compound in the presence of a radical initiator, thereby producing the tetrafunctional thiol having a structure represented by the following formula (1) can be provided. <img class="EMIRef" id="48d37e55-64a4-4c11-84f3-f6101053c04d-ia01" /> wherein m represents an integer of 0 to 4 and n represents an integer of 0 to 2.

It has been required to develop a new production method capable of controlling the polymerization reactivity of a polyester carbonate resin and a polyester resin. Provided is a method for producing a polyester carbonate or a polyester comprising a structural unit (A) derived from a diol and a structural unit (B) derived from a dicarboxylic acid, the method comprising adjusting the phosphorus atom content in the dicarboxylic acid to be less than 1.3 mass ppm on the basis of the total amount of the dicarboxylic acid.

The present invention addresses the problem of providing a thermoplastic resin composition that has favorable properties, facilitates thermoplastic resin recycling, and can reduce the environmental load. The problem is solved by the following thermoplastic resin composition. Specifically provided is a thermoplastic resin composition including, as a mixture, a first thermoplastic resin that includes a structural unit (A) derived from a monomer represented by general formula (1), and a second thermoplastic resin that includes a structural unit (B) derived from a monomer represented by any one of general formulas (2a)-(2c), wherein at least one of the first thermoplastic resin and the second thermoplastic resin is a copolymer having both the structural unit (A) and the structural unit (B), and the structural unit (A) content is 5-95 mol% and the structural unit (B) content is 5-95 mol% on the basis of the total number of structural units of the first thermoplastic resin and the second thermoplastic resin.

The present invention provides a thermoplastic resin composition production method with which it is possible to reliably produce a thermoplastic resin composition having desired properties, as well as facilitate thermoplastic resin recycling and reduce the environmental load. The problem is solved by the following thermoplastic resin composition production method. Specifically provided is a thermoplastic resin composition production method at least including a mixing step for mixing a first thermoplastic resin that includes a structural unit (A) derived from a monomer represented by any one of general formulas (1a) - (1c), and a second thermoplastic resin that includes a structural unit (B) derived from a monomer represented by general formula (2), wherein the refractive index of the first thermoplastic resin is 1.650 or less, the refractive index of the second thermoplastic resin is 1.570 or more, and the refractive index of the thermoplastic resin composition is 1.550-1.700. <img class="EMIRef" id="0514db62-3875-4abf-9ac8-668d3a148247-ia01" /> <img class="EMIRef" id="0514db62-3875-4abf-9ac8-668d3a148247-ia02" /> <img class="EMIRef" id="0514db62-3875-4abf-9ac8-668d3a148247-ia03" /> <img class="EMIRef" id="0514db62-3875-4abf-9ac8-668d3a148247-ia04" />

Provided is a multilayered body that has excellent hardness and three-dimensional formability. The multilayer body includes a base material layer (a), and a curable resin layer (b) containing a (meth)acryloyl polymer having an acrylic equivalent of from 200 to 600 g/mol, wherein the base material layer (a) comprises 96% by mass or more of a bisphenol A polycarbonate based on the total mass of the base material layer (a), and the base material layer (a) has a midpoint glass transition temperature (Tmg) of from 100 to 140°C.

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