Curable resin composition

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United States of America Patent

PATENT NO 11091676
APP PUB NO 20190284455A1
SERIAL NO

16341655

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A liquid thermally expandable curable resin composition for use such as bonding by filling a clearance has difficulty in achieving both drying property and film forming property and also has a problem with storage stability. The problems were solved with a curable resin composition having the following composition. A curable resin composition comprises: (A) a film forming resin, (B) an epoxy resin, (C) an organic solvent, (D) thermally expandable particles, and (E) a curing agent ingredient for the (B). The (C) is selected from organic solvents having a boiling point of 100° C. or less and being liquid at normal temperature and contains a combination of (C-1) an ester-based solvent and (C-2) one or more solvents selected from ketone-based solvents, ether-based solvents, and glycol-based solvents, and a content ratio between the (C-1) and the (C-2) in a mass ratio is in a range of (C-1)/(C-2)=0.12 to 0.23.

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Patent Owner(s)

  • THREEBOND CO., LTD.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kuroda, Tatsuya Hachioji, JP 38 185

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