Process for producing modified epoxy resin
An epoxy resin composition comprises an epoxy resin (A) and rubber-like polymer particles (B). The rubber-like polymer particles (B) maintain a finely dispersed state of primary particles. The content of the rubber-like polymer particles (B) is 0.5 to 80% by weight when the total amount of the epoxy...
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| creator | UENO MASAKUNI YAMAGUCHI KATSUMI MIYAMOTO MASAHIRO |
| description | An epoxy resin composition comprises an epoxy resin (A) and rubber-like polymer particles (B). The rubber-like polymer particles (B) maintain a finely dispersed state of primary particles. The content of the rubber-like polymer particles (B) is 0.5 to 80% by weight when the total amount of the epoxy resin (A) and rubber-like polymer particles (B) is 100% by weight. Rubber-like polymer particles (B) are obtainable by graft-polymerizing 5 to 50% by weight of a shell layer (B-2) with 50 to 95% by weight of a rubber particle core (B-1), and average particle diameter of the rubber-like polymer particles (B) is 0.03 to 2 μm. Rubber particle core (B-1) comprises elastic material of not less than 50% by weight of at least one monomer selected from diene monomers and (meth)acrylate monomers and less than 50% by weight of another coploymerizable vinyl monomer, or polysiloxane rubber elastic materials, or a mixture thereof. |
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| subjects | CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CHEMISTRY COMPOSITIONS BASED THEREON COMPOSITIONS OF MACROMOLECULAR COMPOUNDS ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVINGCARBON-TO-CARBON UNSATURATED BONDS MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PRINTED CIRCUITS THEIR PREPARATION OR CHEMICAL WORKING-UP |
| title | Process for producing modified epoxy resin |
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