Abstract:
ROOM TEMPERATURE-STABLE EPOXY RESIN MIXTURES ARE DISCLOSED. THESE MIXUTRES COMPRISE A POLYEPOXIDE, A POLYCARBOXYLIC ACID ANHYDRIDE AND A CURING CATALYST WHICH IS A SALT OF AN IMIDAZOLE COMPOUND AND AN ORGANIC HYDROXY POLYCARBOXYLIC ACID CONTAINING AT LEAST ONE ASYMMETRIC CARBON ATOM. A PROCESS FOR PREPARING RESINIFIED PRODUCTS FROM SUCH MIXTURES IS ALSO DISCLOSED.
Abstract:
Provided is an epoxy resin which has a low viscosity and excellent impregnation capability into reinforcing fibers and provides a cured product having a high elastic modulus and excellent heat resistance when the epoxy resin is used for a fiber-reinforced resin material, and a method for producing the epoxy resin, a curable resin composition, and a cured product thereof, a fiber-reinforced composite material, and a molded article. An epoxy resin which is polyglycidyl ether that is a polycondensation product of phenol and hydroxybenzaldehyde, the resin includes the trinuclear body (X) represented by the following Structural Formula (1), in which the content of a [o,p,p] bonding body (x1) represented by the following Structural Formula (1-1) among the trinuclear body (X) is in the range of 5% to 18% in terms of an area ratio as measured by liquid chromatography.
Abstract:
An object of the present invention is to provide: a conductive composition for forming a solar cell collector electrode that can form a collector electrode with favorable adhesion with regard to a transparent conductive layer; a solar cell having a collector electrode formed using the composition; and a solar cell module. A conductive composition for forming a solar cell collector electrode, includes: a metal powder (A); an epoxy resin (B); a cationic curing agent (C); and a blocked carboxylic acid (D); wherein the blocked carboxylic acid (D) is a compound obtained by reacting a compound (d1) selected from carboxylic acids and carboxylic acid anhydrides with a vinyl ether compound (d2).
Abstract:
A method for protecting a substrate from lightning strikes is provided including providing a lightning strike protectant composition to the substrate. The lightning strike protectant composition comprises a reactive organic compound and a conductive filler that, during the cure of the organic compound, is capable of self-assembling into a heterogeneous structure comprised of a continuous, three-dimensional network of metal situated among (continuous or semi-continuous) polymer rich domains. The resulting composition has exceptionally high thermal and electrical conductivity.
Abstract:
The invention relates to a polymeric composition containing: a) at least one epoxy resin; b) at least one copolymer with groups, which react with epoxy resins, and with a glass transition temperature Tg of −20° C. or lower, c) nanoparticles having a mean particle size dmax ranging from 5 to 150 nm that is measured by means of a small-angle neutron scattering (SANS). The inventive composition enables the production of adhesives, composite materials, coatings and casting compounds exhibiting improved mechanical properties, particularly improve impact strength.
Abstract:
A method for protecting a substrate from lightning strikes is provided including providing a lightning strike protectant composition to the substrate. The lightning strike protectant composition comprises a reactive organic compound and a conductive filler that, during the cure of the organic compound, is capable of self-assembling into a heterogeneous structure comprised of a continuous, three-dimensional network of metal situated among (continuous or semi-continuous) polymer rich domains. The resulting composition has exceptionally high thermal and electrical conductivity.
Abstract:
A method for shielding a substrate from electromagnetic interference is provided including providing an electromagnetic interference (EMI) shielding composition to the substrate. The EMI shielding composition comprises a reactive organic compound and a conductive filler that, during the cure of the organic compound, is capable of self-assembling into a heterogeneous structure comprised of a continuous, three-dimensional network of metal situated among (continuous or semi-continuous) polymer rich domains. The resulting composition has exceptionally high thermal and electrical conductivity.