Patent classifications
C08G59/32
SOFTENING AGENT FOR TEXTILES, AQUEOUS SOLUTION OF SOFTENING AGENT FOR TEXTILES AND METHOD FOR PRODUCING SAME, AND TEXTILE AND METHOD FOR PRODUCING SAME
Provided is a softening agent for textiles characterized by containing a compound (A) and a crosslinking agent (B). The compound (A) is a non-silicone compound having a polyoxyalkylene chain in the molecule, and has a functional group (R1) capable of producing an ether, an ester, or a nitrogen-containing compound upon reacting with the crosslinking agent (B).
Curable Composition
Provided is a curative part usable in a two-part curable composition. The curative part includes a liquid amine; a heterogeneous dispersant; and core-shell rubber particles having an elastomeric core and a (meth)acrylic shell. The core-shell rubber particles and the heterogeneous dispersant can be collectively shear-dispersed in the liquid amine such that the core-shell rubber particles are substantially non-aggregated and the curative part is phase-stable over a period of at least 3 months at ambient temperature. Advantageously, large amounts of core-shell rubber particles can thus be incorporated into a cured resin matrix, which can afford significantly enhanced impact performance.
BIO-BASED RESINS, COMPOSITIONS, AND METHODS THEREOF
A bio-based resin obtained from a reaction mixture comprising a glycidyl ether component and a bio-based component comprising a fatty acid and a rosin acid, wherein the glycidyl ether component comprises at least two epoxide groups.
BIO-BASED RESINS, COMPOSITIONS, AND METHODS THEREOF
A bio-based resin obtained from a reaction mixture comprising a glycidyl ether component and a bio-based component comprising a fatty acid and a rosin acid, wherein the glycidyl ether component comprises at least two epoxide groups.
EPOXY RESIN COMPOSITION AND HEAT DISSIPATION CIRCUIT BOARD USING SAME
The present disclosure relates to an epoxy resin composition having a thermal conductivity of at least 5 W/m.Math.k, which has a sufficient thermal emission effect when implementing a multilayer circuit and can replace a ceramic substrate used in automobiles, home appliances, electric vehicles and the like, and to a heat dissipation circuit board using the same. The epoxy resin composition according to one embodiment of the present disclosure, the epoxy resin composition includes an epoxy resin, a curing agent and an inorganic filler. The inorganic filler may include alumina having a maximum particle diameter of less than 32 μm and aluminum nitride having a mean particle diameter of 0.5 to 1.0 μm, in an amount of 85 wt % or more. The epoxy resin composition includes an inorganic filler having a mean particle diameter of 1.0 μm to form an insulating layer having excellent thermal conductivity and withstand voltage properties, thereby providing a high heat dissipation circuit board that is superior compared to existing single layer circuit boards.
EPOXY RESIN COMPOSITION AND HEAT DISSIPATION CIRCUIT BOARD USING SAME
The present disclosure relates to an epoxy resin composition having a thermal conductivity of at least 5 W/m.Math.k, which has a sufficient thermal emission effect when implementing a multilayer circuit and can replace a ceramic substrate used in automobiles, home appliances, electric vehicles and the like, and to a heat dissipation circuit board using the same. The epoxy resin composition according to one embodiment of the present disclosure, the epoxy resin composition includes an epoxy resin, a curing agent and an inorganic filler. The inorganic filler may include alumina having a maximum particle diameter of less than 32 μm and aluminum nitride having a mean particle diameter of 0.5 to 1.0 μm, in an amount of 85 wt % or more. The epoxy resin composition includes an inorganic filler having a mean particle diameter of 1.0 μm to form an insulating layer having excellent thermal conductivity and withstand voltage properties, thereby providing a high heat dissipation circuit board that is superior compared to existing single layer circuit boards.
Latent curing accelerators
A curable composition comprising (A) an epoxy resin containing on average more than one epoxy group per molecule; (B) a compound of formula A[—X—CO—CH.sub.2—CN].sub.n(1), wherein A is hydrogen or C.sub.1-C.sub.12 alkyl which is unsubstituted or substituted by one or more C.sub.1-C.sub.12 alkoxy groups, C.sub.1-C.sub.12 alkylcarbonyl groups, C.sub.7-C.sub.25 arylcarbonyl groups, hydroxyl groups, amino groups, C.sub.1-C.sub.12 alkylamino groups, C.sub.1-C.sub.12 dialkylamino groups, cyano groups or halogen atoms, or A is a bivalent aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic organic radical, X denotes —O—or —NR.sub.1—, wherein R.sub.1 is hydrogen or C.sub.1-C.sub.12 alkyl which is unsubstituted or substituted by one or more C.sub.1-C.sub.12 alkoxy groups, C.sub.1-C.sub.12 alkylcarbonyl groups, C.sub.7-C.sub.25 arylcarbonyl groups, hydroxyl groups, amino groups, C.sub.1-C.sub.12 alkylamino groups, C.sub.1-C.sub.12 dialkylamino groups, cyano groups or halogen atoms, n is 1 or 2; and (C) a protected base in the form of an adduct or salt which is able to release a basic compound upon heating to a temperature greater than 70° C., is storage-stable, allows processing over a longer period of time (pot-life) and produces cured products having outstanding mechanical and thermal properties.
Latent curing accelerators
A curable composition comprising (A) an epoxy resin containing on average more than one epoxy group per molecule; (B) a compound of formula A[—X—CO—CH.sub.2—CN].sub.n(1), wherein A is hydrogen or C.sub.1-C.sub.12 alkyl which is unsubstituted or substituted by one or more C.sub.1-C.sub.12 alkoxy groups, C.sub.1-C.sub.12 alkylcarbonyl groups, C.sub.7-C.sub.25 arylcarbonyl groups, hydroxyl groups, amino groups, C.sub.1-C.sub.12 alkylamino groups, C.sub.1-C.sub.12 dialkylamino groups, cyano groups or halogen atoms, or A is a bivalent aliphatic, cycloaliphatic, aromatic, araliphatic or heterocyclic organic radical, X denotes —O—or —NR.sub.1—, wherein R.sub.1 is hydrogen or C.sub.1-C.sub.12 alkyl which is unsubstituted or substituted by one or more C.sub.1-C.sub.12 alkoxy groups, C.sub.1-C.sub.12 alkylcarbonyl groups, C.sub.7-C.sub.25 arylcarbonyl groups, hydroxyl groups, amino groups, C.sub.1-C.sub.12 alkylamino groups, C.sub.1-C.sub.12 dialkylamino groups, cyano groups or halogen atoms, n is 1 or 2; and (C) a protected base in the form of an adduct or salt which is able to release a basic compound upon heating to a temperature greater than 70° C., is storage-stable, allows processing over a longer period of time (pot-life) and produces cured products having outstanding mechanical and thermal properties.
Renewable furan based amine curing agents for epoxy thermoset
The present invention relates novel furan based amine cross-linkers with improved thermomechanical and water barrier properties. The novelty of this invention is the use of aromatic, and hydrophobic aliphatic aldehydes to bridge two furfuryl amines, which yields a diamine or tetra amines with a significantly enhanced hydrophobic character. These diamine cross-linkers exhibit enhanced water barrier properties and thermomechanical properties when cured with both commercial and synthetic epoxies.
Glove, composition for dip molding, and method for producing glove
A glove including a cured film of an elastomer containing a (meth)acrylonitrile-derived structural unit, an unsaturated carboxylic acid-derived structural unit and a butadiene-derived structural unit in a polymer main chain, wherein the elastomer contains 20 to 40% by weight of a (meth)acrylonitrile-derived structural unit, 1 to 10% by weight of an unsaturated carboxylic acid-derived structural unit and 50 to 75% by weight of a butadiene-derived structural unit, and has a crosslinked structure of a carboxyl group in the unsaturated carboxylic acid-derived structural unit with an epoxy crosslinker containing an epoxy compound having three or more epoxy groups in one molecule.