91 results about "Cyanate compound" patented technology

Provided is a composition which contains a base generator and a polymerizable compound. The base generator contains a salt of a cation and an anion. The cation contains a carbonyl group and a partial structure comprising: a carbon atom; a nitrogen atom N1 bonded via a single bond to the carbon atom; and a nitrogen atom N2 bonded via a double bond to the carbon atom. The polymerizable compound contains a polyiso(thio)cyanate compound and a polythiol compound.

It is an object of the present invention to provide a monomer which can provide a cured product having both high toughness and rigidity. The present invention is a (meth)acrylate (D) which is a reaction product of a thiol compound (A) having two or more mercapto groups; an iso(thio)cyanate compound (B) having two or more iso(thio)cyanato groups; and a hydroxy (meth)acrylate compound (C) having one or more polymerizable groups.

A formulation comprising: at least one isocyanate compound; at least one bio-oil-based compound selected from the group consisting of triglyceride (TG)-based bio-oil compounds and esterified bio-based fatty acid compounds; optionally, a catalyst compound for promoting urea / polyurethane formation; the ratio of the TG-based bio-oil compound to the esterified fatty acid compound is from 60 / 40 to 0 / 100, preferably from 55 / 45 to 0 / 100, more preferably from 50 / 50 to 40 / 60, most preferably from 45 / 55 to 50 / 50, and the at least one isocyanate compound (a) is present in an amount of at least 90 wt%, based on 100 wt% of the total formulation.

To provide a polyacetal resin composition which can further improve physical properties such as mechanical strength and hot water resistance, while using a modified cross-section glass fiber, when being colored by black, particularly, carbon black.SOLUTION: A polyacetal resin composition contains, with respect to 100 pts.mass of (A) a polyacetal resin, 1 to 100 pts.mass of (B) a modified cross-section glass fiber which is surface-treated with (B1) at least one selected from at least one isocyanate compound selected from the group consisting of a blocked isocyanate compound and a polyurethane resin, an amino silane coupling agent, an epoxy resin, and an acid copolymer, and (B2) a boric acid compound, and 0.001 to 3 pts.mass of (C) at least one binder selected from the group consisting of an organometallic compound containing a metal selected from Sn, Zn and PB, a boric acid compound and a quaternary onium salt compound.SELECTED DRAWING: None

The present invention addresses the problem of providing a solvent-type base coating material composition that can achieve both reduction in energy load and storage stability during formation of a coating film while maintaining the appearance of the coating film.　This solvent-type base coating material composition comprises: (A) a pigment containing one or more kinds selected from the group consisting of coloring pigments and flake pigments; (B1) a specific hydroxy group-containing acrylic resin having a weight average molecular weight of 10,000-20,000; (B2) a hydroxy group-containing acrylic resin having a weight average molecular weight of 3,000-7,500; (C) a blocked isocyanate compound; (E) a melamine resin containing a fully alkylated melamine resin; (D) polymer crosslinked fine particles insoluble and stably dispersed in a solution of the hydroxy group-containing acrylic resin (B1); (F) an acid catalyst having no counterion; and (G) an amine compound containing a secondary amine compound. The solid content is 35% by mass or more. When a viscosity V1 is measured at 23°C under a shear rate of 0.1 / sec using a cone-plate viscometer, followed by 30 seconds of shearing with the shear rate changed from 0.1 / sec to 25,000 / sec and then one second of shearing with the shear rate returned to 0.1 / sec, and a viscosity V2 is subsequently measured, the viscosity recovery rate V2 / V1, which is the ratio of V2 to V1, is 90% or more.

Disclosed is a multi-layer synthetic leather product comprising (A) a silicone based top layer; and (B) a polyurethane based skin layer which is formed with a polyurethane dispersion formulation, wherein the polyurethane dispersion formulation is formed by blending water, at least one chain extender and an isocyanate-terminated prepolymer which is the reaction product of a mixture comprising: at least one isocyanate compound, at least one polyol compound, and from 2.5 wt % to 15 wt %, based on the weight of the prepolymer, of at least one allyl polyether monoalcohol. Due to the formation of chemical bonds between the top layer and the skin layer, the synthetic leather product exhibits superior detachment resistance, mechanical strength, easy to clean capability and hand feeling.

The problem of the present invention can be solved by an adhesive which contains a specific acrylic copolymer (A), an isocyanate compound (B), and a metal chelate (C), and which satisfies all of the following (1)-(3) after curing. (1) 3.0 * 10 < 4 > Pad; g '(-20) lt; 4.0 * 10 < 5 > Pa, (2) 5lt; g '(-20) / G' (200) lt; 17, (3) 2lt; tan delta (-20) / tan delta (200) lt; 6.5); wherein in the formula, G '(-20) refers to the storage modulus at-20 DEG C and 1 Hz, G' (200) refers to the storage modulus at 200 DEG C and 1 Hz, tan delta (-20) refers to the loss tangent at-20 DEG C and 1 Hz, and tan delta (200) refers to the loss tangent at 200 DEG C and 1 Hz.

The present invention relates to a method for preparing 2,4-disubstituted thiophene-3-sulfonyl isocyanate compounds having formula (I), wherein the method comprises reacting a compound having formula (II) with phosgene in the presence of a catalyst and a mixture of a nonpolar solvent and an organosulfur cosolvent, and optionally in the presence of a base.

The present invention provides a curable composition, a cured product, a prepreg, a circuit substrate, a build-up film, a semiconductor sealing material, and a semiconductor device. The present invention aims to provide a curable composition and a cured product thereof which exhibit a low dielectric loss tangent and a low moisture absorption rate upon curing. The present invention is a curable composition characterized by containing a polymaleimide compound (A) and a cyanate ester compound (B), the polymaleimide compound (A) containing a monocyclic or condensed polycyclic aromatic group to which two or more straight-chain or branched alkylene groups are attached.

A polyisocyanate composition having at least one isocyanate compound selected from an aliphatic isocyanate and an alicyclic isocyanate as a skeleton, wherein an average value of a total number of isocyanate groups blocked with a blocking agent and not blocked with a blocking agent per polyisocyanate molecule is 2 or more, and among the isocyanate groups in the polyisocyanate composition, 1 mol % or more and 99 mol % or less are blocked with a blocking agent, and the like.

This (meth)acrylate compound production method includes a step (A1) for generating a (meth)acrylate compound (a) that includes an allophanate bond by reacting an iso(thio)cyanate compound containing two or more iso(thio)cyanate groups and a (meth)acrylate compound (b) containing one or more hydroxy groups and one or more (meth)acryloyl groups in the presence of a zinc compound at a content ratio at which the contained molar ratio of the iso(thio)cyanate groups in the iso(thio)cyanate compound to the hydroxy groups in the (meth)acrylate compound (b) is greater than 1.

Disclosed is a solventless adhesive composition comprising (A) an isocyanate component obtained by the reaction of reactants comprising at least one monomeric cycloaliphatic isocyanate compound and at least one first polyol; and (B) a polyol component comprising particularly selected polyols. The solventless adhesive composition can be used for the production of laminate materials, e.g. laminate backsheet of a photovoltaic device, which well meets the requirements of various compliance regulations and has superior performance properties such as bond strength, aging resistance, yellowing resistance, delamination resistance, and the like. A method for producing said laminate material and the resultant laminate material are also disclosed.

Provided is a method for producing a high-purity ethylenic isocyanate compound, in which (meth)acrylic anhydride is suppressed.　Provided is a method for producing a purified ethylenic isocyanate composition from a crude ethylenic isocyanate composition, wherein an alcohol is added to the crude ethylenic isocyanate composition, and the purified ethylenic isocyanate composition contains a (meth)acrylic acid ester compound which has an isocyanate group, and 0.2 mass% or less of an acid anhydride.　Also provided is an ethylenic isocyanate composition which contains an ethylenic isocyanate compound and 0.2 mass% or less of an acid anhydride.

Disclosed is a method for producing a molded polyurethane-polyisocyanurate-fiber composite part, the method comprising obtaining a reaction mixture by mixing: (A) an isocyanate-reactive component comprising: a polyol having an average functionality of 1.8 to 5.0 and a hydroxyl number of 200 to 500; and an alkali metal catalyst obtainable by introducing an alkali metal salt or an alkaline earth metal salt into a carbamate group-containing compound R-NH-CO-R ', where R is not hydrogen and / or is not COR' '; and (B) an isocyanate component comprising: at least one isocyanate compound, and a compound comprising one or more epoxy groups; and molding the reaction mixture at a temperature between 75 DEG C and 220 DEG C, at a pressure of 50 bar or more, to obtain the molded polyurethane-polyisocyanurate-fiber composite part.

The present invention relates to an additive for long-term storage of an isocyanate compound, an isocyanate mixture comprising same, and a method for storing an isocyanate compound using same.

The thermosetting resin composition contains (A) a cyanate ester compound, (B) a phenolic resin, (C) another curable resin as an arbitrary component, (D) a metal catalyst, and (E) another curing catalyst as an arbitrary component. When the total amount of the component (A), the component (B) and the component (C) is taken as 100 parts by mass, the amount of the component (A) is 80-99 parts by mass, the amount of the component (B) is 1-15 parts by mass, and the amount of the component (C) is 0-10 parts by mass. The amount of component (E) is 1 part by mass or less per 100 parts by mass of the total of component (A), component (B), and component (C).

[Problem] To provide a resin composition having excellent heat resistance and flame retardancy, a cured product, a prepreg, a metal foil-clad laminate, a single-layer resin sheet, a laminated resin sheet, and a printed wiring board. [Solution] The resin composition contains a cyanate ester compound (A) represented by formula (1), a cyclophosphazene compound (B), and an inorganic filler (C). Excellent heat resistance and dielectric properties can be obtained by the cyanate ester compound (A), and flame retardancy can be improved by the cyclophosphazene compound (B) and the inorganic filler (C).

A solvent-based polyurethane retort adhesive composition for producing laminates including: (A) at least one isocyanate compound, Component A; and (B) at least one isocyanate (NCO)-reactive component, Component B, comprising (1) at least one phosphate ester compound and (ii) at least one polyester polyol having an average molecular weight of greater than 3,000 g / mol; a process for producing the above adhesive; a multi-layer laminate product including the above adhesive; and a process for producing a laminate product using the above adhesive.

The present invention provides a novel blocked isocyanate compound that can be produced at a high yield, a compound having a double bond that can be crosslinked at a low temperature (100°C or less) using the blocked isocyanate compound, and a resin obtained by curing the compound having a double bond. The present invention includes a compound having an isocyanate group (a1), a blocked isocyanate compound (A) obtained by urethane bonding of a compound having a hydroxyl group (a2) represented by the following formula (1) via the above isocyanate group and the above hydroxyl group. (In formula (1), R 1 and R 2 are each independently a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms. R 3 and R 4 are each independently a hydrogen atom or a hydrocarbon group having 1 to 20 carbon atoms.)

To provide a printing ink composition for laminate capable of exhibiting good color developability and easy tearability without using a large amount of a curing agent.SOLUTION: A printing ink composition for laminate, comprising a titanium oxide pigment treated with silica and alumina, a binder resin, isophorone diisocyanate or an adduct thereof, which is a polyfunctional isocyanate compound, as a curing agent, and an organic solvent, wherein the binder resin is a polyurethane resin, a polyester diol accounts for 70 mass% or more of a polymer diol that is a raw material of the polyurethane resin, a solid content ratio of the polyurethane resin to the curing agent is 1:0.10 to 0.40, and the polyurethane resin (1) has one or more of a primary amino group to a tertiary amino group at a terminal, the printing ink composition for laminate has a hydroxyl group, or (2) has one or more of a primary amino group to a tertiary amino group at a terminal, or is a mixture of (1) and (2).SELECTED DRAWING: None

A composition comprising a base generating agent and a polymerizable compound, wherein the base generating agent comprises a salt of a cation and an anion, the cation comprises a partial structure consisting of a carbon atom, a nitrogen atom N1 bonded to the carbon atom by a single bond, and a nitrogen atom N2 bonded to the carbon atom by a double bond, and a carbonyl group, and the polymerizable compound comprises a polyiso(thio)cyanate compound and a polythiol compound.

A photocurable composition including a base generator, a polyiso(thio)cyanate compound, and a polythiol compound, in which the base generator includes at least one selected from the group consisting of compounds represented by Formula (1) to Formula (4). In Formulae (1), (3) and (4), each of R1 to R4 independently represents a substituent. In Formula (2), each of R1 to R7 independently represents an alkyl group having from 1 to 8 carbon atoms or a cycloalkyl group having from 3 to 8 carbon atoms, and R8 to R11 respectively have the same meanings as in R5 to R8 in Formula (1). In Formula (3), n represents an integer from 1 to 3.

To provide a solvent-type base coating material composition that can achieve both reduction in energy load and storage stability during formation of a coating film while maintaining the appearance of the coating film.SOLUTION: A solvent-type base coating material composition comprises: a pigment (A); a hydroxy group-containing acrylic resin (B1) having a weight average molecular weight of 10,000 or more and 20,000 or less; a hydroxy group-containing acrylic resin (B2) having a weight average molecular weight of 3,000 or more and 7,500 or less; a blocked isocyanate compound (C); a melamine resin (E); polymer crosslinked fine particles (D) that are insoluble and stably dispersed in a solution of the hydroxy group-containing acrylic resin (B1); an acid catalyst (F); and an amine compound (G).SELECTED DRAWING: None

The present invention relates to the technical field of refractory materials, and specifically discloses a method for preparing a magnesium-carbon refractory castable. The preparation method comprises the following steps: S1: adding a silicon oxide compound and magnesia to n-octane, stirring evenly, filtering, and drying to obtain a reactant A; sequentially adding reactant A, an isocyanate compound, and a catalyst to a mixed solvent, stirring evenly, stirring at 50-55°C for 3-5 hours, and evaporating and removing the solvent to obtain modified magnesia; S2: taking modified magnesia, carbon, and glass microbeads, stirring evenly to obtain a dry material; adding water to the dry material, stirring evenly, curing, and baking to obtain the magnesium-carbon refractory castable. Reactant A comprises the following raw materials, calculated by weight: 5-8 parts of silicon oxide compound and 10-15 parts of magnesia; and modified magnesia comprises the following raw materials, calculated by weight: 12-18 parts of reactant A and 2-4 parts of isocyanate compound.

The present invention aims to provide a resin composition, a resin sheet, and a cured product thereof that can produce a cured product having high heat resistance and low dielectric properties. A curable resin composition comprises (A) a compound having at least two styrene structures in the molecule, (B) a maleimide compound, and (C) a cyanate ester compound.

Provided is a composition capable of forming a cured product excelling in adhesion to a substrate, hardness, scratch resistance, and chemical resistance. The composition of the present disclosure contains a polyol compound (A) and an isocyanate compound (B). The polyol compound (A) includes a compound (a1) represented by Formula (1) below, where R1 to R3 each are a group represented by Formula (1a), the compound (a1) having a number average molecular weight (calibrated with polystyrene standard) of 800 or greater. The isocyanate compound (B) includes a polyisocyanate compound having an isocyanurate skeleton.

The present invention provides a polymer composition that exhibits high adhesion to a glass substrate and a glass laminate using the same. [Solution] The polymerizable composition of the present invention comprises a polythiol compound (A), an isocyanate compound (B), and an alkoxysilane compound (D) having one or more functional groups selected from the group consisting of a mercapto group, an isocyanate group, a ureido group, and an isocyanurate group.

The present invention relates to a two-component polyurethane composition for polycarbonate bonding, a method of bonding to a polycarbonate substrate using the composition, and a method of preparing the composition. The present invention relates to a two-component polyurethane composition comprising: at least one polycarbonate polyol, (ii) an amine-free catalyst, and (iii) optionally, at least one aliphatic monomeric isocyanate compound; and at least one isocyanate component. The polyurethane composition does not contain an aromatic isocyanate compound. The use of the composition in compositions based on adhesives, coatings, primers, paints and varnishes is also disclosed.

The present invention provides a composition suitable for forming a patterned film layer using an inkjet printing process and possessing excellent storage stability, wherein the resulting cured layer maintains high chemical resistance, solder resistance, and adhesion while also exhibiting excellent fold resistance. [Solution] The composition comprises 100 parts by weight of a first monomer, 1 to 10 parts by weight of a second monomer, 10 to 30 parts by weight of a urethane acrylate, and 15 to 35 parts by weight of a blocked isocyanate compound. The first monomer is a monoacrylate compound, a monomethacrylate compound, a vinyl aromatic compound, an oxetane compound, maleic anhydride, dicyclopentadiene, N-vinylpyrrolidone, N-vinylformamide, or a combination of the above. The second monomer is an alcohol compound having at least two reactive functional groups, the reactive functional groups being acrylate groups or methacrylate groups.

To provide a liquid composition for an intermediate base material capable of obtaining a fiber-reinforced plastic having especially superior weather resistance and also having excellent heat resistance, good appearance, and mechanical properties.SOLUTION: A liquid composition for an intermediate base material containing isophorone diisocyanate (A1), a polyfunctional isocyanate (A2) having an isocyanurate ring formed by trimerization of a difunctional isocyanate compound, and 2-hydroxyethyl (meth)acrylate (B), wherein the polyfunctional isocyanate (A2) does not have an aromatic ring structure.SELECTED DRAWING: None