Phase-separated carboxyl group-containing elastomer modified phoenoxy resin optionally with epoxy resin

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United States of America Patent

PATENT NO 6235842
SERIAL NO

09284127

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Abstract

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The present invention provides a phase-separation structure comprising a phenoxy resin modified with a carboxylated elastomer, prepared from a phenoxy resin and a carboxylated elastomer, the resin and the elastomer constituting a phase-separation structure, wherein the light transmittance of the structure in a 75 .mu.m-thick film form at a wavelength of 500 nm is not less than 10% of the light transmittance of the air, which is useful as adhesives, film materials, and molding materials for encapsulating electronic components.

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Patent Owner(s)

Patent OwnerAddress
HITACHI CHEMICAL COMPANY LTD9-2 MARUNOUCHI 1-CHOME CHIYODA-KU TOKYO 1006606 ?1006606

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hagiwara, Shinsuke Shimodate, JP 23 1011
Kuwano, Atsushi Tsukuba, JP 18 300

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