Adhesive agent composition and laminated body

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United States of America Patent

PATENT NO 8907025
SERIAL NO

13980772

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention is to provide an adhesive agent composition, including: a main agent containing a polyether polyurethane polyol and a bisphenol A-type epoxy resin; and a curing agent, wherein the polyether polyurethane polyol is obtained by reacting a polyalkylene glycol including repeating units each having a carbon number of 3 or 4 and an alkane diol monomer with an organic diisocyanate at an equivalent ratio (NCO/OH) of 0.7 or more but less than 1, a weight average molecular weight thereof is in the range of 20,000 to 70,000, and an urethane bond equivalent thereof is in the range of 320 to 600 g/eq, and wherein a number average molecular weight of the bisphenol A-type epoxy resin is in the range of 400 to 5,000, and the bisphenol A-type epoxy resin is of a solid state or a semisolid state at normal temperature.

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Patent Owner(s)

  • TOYO INK SC HOLDINGS CO., LTD.;TOYOCHEM CO., LTD.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Maeda, Seiji Tokyo, JP 106 1948
Shimada, Kenshiro Tokyo, JP 4 24
Sugi, Hiroki Tokyo, JP 2 5
Ueki, Katsuyuki Tokyo, JP 4 8
Yasui, Bungo Tokyo, JP 3 20

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