Epoxy resin composition and cured object obtained therefrom
OwnerMasahiro Imaizumi, Toyofumi Asano +1inventors
InventorsMasahiro Imaizumi, Toyofumi Asano, Masaki Shinmoto
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Abstract
The present invention is intended to provide cured articles which has excellent heat resistance and excellent flexibility, excellent adhesion, excellent dielectric properties and excellent toughness suitable laminates, metal foil-clad laminates, insulating materials for build-up substrates, flexible printed wiring boards, materials for flexible printed wiring boards, etc. The epoxy resin compositions of the present invention are characterized by comprising as essential ingredients an epoxy resin (a), an amine curing agent (b), and a phenolic hydroxyl group-containing polyamide-poly (butadiene-acrylonitrile) block copolymer (c).
Claims11
An epoxy resin composition characterized by comprising as essential ingredients an epoxy resin (a), an amine curing agent (b), and a phenolic hydroxyl group-containing polyamide-poly(butadiene-acrylonitrile) block copolymer (c).
An epoxy resin composition characterized by comprising as essential ingredients an epoxy resins (a), a guanidine (b), and a phenolic hydroxyl group-containing polyamide-poly(butadiene-acrylonitrile) block copolymer (c) represented by the following formula:
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- (in the formula x, y, z, l, m, and n are average polymerization degrees, respectively;
- x represents an integer from 3 to 10, y represents an integer from one to four, z represents an integer from 5 to 15, l+m represents an integer from 2 to 200, m/(m+1) ≧0.04, and n is from 2 to 100).
An epoxy resin composition characterized by comprising as essential ingredients an epoxy resin (a), diaminodiphenyl sulfone (b), and a phenolic hydroxyl group-containing polyamide-poly(butadiene-acrylonitrile) block copolymer (c) represented by the following formula:
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- wherein x, y, z, l, m, and n are average polymerization degrees, respectively;
- x represents an integer from 3 to 10, y represents an integer from one to four, z represents an integer from 5 to 15, l+m represents an integer from 2 to 200, m/(m+1)≧0.04, and n is from 2 to 100.
Dependencies are inferred from the claim text.