Nagase ChemteX Corporation

Tatsuno, Japan

Nagase ChemteX Corporation

Tatsuno, Japan

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The present invention relates to a thermoplastic epoxy resin composition comprising (A) an epoxy compound having two epoxy groups in one molecule, (B) a compound having two phenolic hydroxyl groups in one molecule, and at least one compound selected from the group consisting of N,N-dibutylethanolamine, di(2-ethylhexyl)amine, N-ethylhexylamine, N,N-dimethyl-n-octylamine, and N,N-dimethyldecylamine as (C) a curing accelerator.


Patent
Nagase Chemtex Corporation | Date: 2017-06-28

Provided is a molded resin container that is produced from a thermoplastic polyester resin, that exploits the excellent moldability and physical characteristics of the said resin, that can achive high design characteristics, and that also has excellent chemical resistance, and in particular solvent resistance. A solvent-resistant resin container wherein at least the inside surface of a thermoplastic polyester resin container is coated with a cured film that comprises a coating composition that includes as a curable resin component a silsesquioxane derivative that has a ladder type or random type structure and that comprises, as an essential component, 100 to 25 mol% of a repeating unit that is derived from a trialkoxysilane that has a 2-(3,4-epoxycyclohexyl)ethyl group and, as an optional component, 0 to 75 mol% of a repeating unit that is derived from a trialkoxysilane that has an aryl group or a C1-12 alkyl group.


Patent
Nagase Chemtex Corporation | Date: 2016-12-14

An object of the present invention is to provide an adhesive agent composition for an organic fiber, the adhesive agent composition hardly causing precipitation or cohesion and having stable adhesive force. The present invention provides an adhesive agent composition for an organic fiber, the adhesive agent composition including epoxy resin and a water soluble curing agent, and also provides to a method of treating an organic fiber, the method including the steps of: (i) treating the organic fiber with the adhesive agent composition as a first treating agent; and (ii) treating the organic fiber, having been treated with the first treating agent, with a second treating agent containing a resorcin-formalin-rubber latex (RFL).


Patent
Nagase ChemteX Corporation | Date: 2016-08-24

The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state sodium-sulfur battery in which charge/discharge capacity can be ensured even during operation at normal temperature. The present invention also aims to provide an all-solid-state sodium-sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention relates to a cathode mixture for use in a cathode mixture layer of an all-solid-state sodium-sulfur battery, the cathode mixture including the following components (A) to (C): (A) an ion-conductive material containing phosphorus at a weight ratio of 0.2 to 0.55; (B) sulfur and/or its discharge product; and (C) a conductive material, the component (C) containing a conductive material (C1) having a specific surface area of 1000 m^(2)/g or more.


The present invention aims to maximize the advantageous physical properties of sulfur and provide a cathode mixture that can be suitably used in a cathode mixture layer of an all-solid-state lithium-sulfur battery having excellent charge/discharge capacity. The present invention also aims to provide an all-solid-state lithium-sulfur battery including a cathode mixture layer containing the cathode mixture. The present invention relates to a cathode mixture for use in a cathode mixture layer of an all-solid-state lithium-sulfur battery, the cathode mixture containing the following components (A) to (D) : (A) sulfur and/or its discharge product; (B) elemental phosphorus and/or P_(x)S_(y) where x and y independently represent an integer that gives a stoichiometric ratio; (C) an ion-conductive material; and (D) a conductive material.


Patent
Nagase Chemtex Corporation | Date: 2016-12-14

An object of the present invention is to provide an adhesive agent composition for an organic fiber, the adhesive agent composition having high adhesive force and not requiring the use of epoxy resin that is high in manufacturing cost. The present invention relates to an adhesive agent composition for an organic fiber, the adhesive agent composition containing a halohydrin compound and a blocked isocyanate compound and also relates to a method of treating an organic fiber, the method including the step of treating the organic fiber with a treating agent containing the adhesive agent composition and a resorcin-formalin-rubber latex (RFL).


Patent
Nagase ChemteX Corporation | Date: 2016-01-13

Provided is a method for manufacturing nylon 6, said method being capable of producing a higher degree of crystallinity in a polymer at the end of a polymerization step performed on an anionically polymerizable caprolactam melt. The present invention is a method in which molten caprolactam in a reactor is anionically polymerized in the presence of a carbodiimide compound and both an anionic polymerization catalyst and an activator, neither of which is a carbodiimide compound, and a polymer is obtained from the reactor following the end of the polymerization step, yielding nylon 6 with a degree of crystallinity of at least 42% without raising the temperature of the interior of the reactor from the temperature thereof at the end of the polymerization step.


A flavor-improving enzyme composition for reducing an unpleasant odor in a food or beverage is disclosed, the composition containing an enzyme exhibiting phospholipase A2 activity with lipase activity/phospholipase A2 activity of not more than 0.005, as an active ingredient.


The present invention aims to provide an epoxy resin composition having excellent liquid stability while maintaining mechanical characteristics, electrical insulating properties, and water repellency required for outdoor use as a component for electrical insulation. An epoxy resin composition for outdoor electrical insulation contains an epoxy resin (A), 0.5 to 0.99 parts by weight of a glycidyl group-containing polysiloxane (B) based on 100 parts by weight of the epoxy resin (A), and 0.1 to 1.0 part by weight of a dispersant (C) based on 100 parts by weight of the epoxy resin (A).


An epoxy resin composition for encapsulation of semiconductors that contains (A) 100 parts by mass of epoxy resin containing 10 mass% to 45 mass% of novolac-type epoxy resin, (B) 50 parts by mass to 150 parts by mass of acid anhydride, (C) 2 parts by mass to 12 parts by mass of curing accelerator, (D) 5 parts by mass to 50 parts by mass of silicone gel or silicone oil; and (E) fused silica of average particle diameter 2 m to 30 m. The fused silica (E) is present in an amount that is 80 mass% to 92 mass%. The viscosity at shear rate 2.5 (1/s) at 25C is not more than 1000 Pas.

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