Hot-melt adhesive and method for producing bonded article

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United States of America Patent

PATENT NO 12077687
APP PUB NO 20220282124A1
SERIAL NO

17680570

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Abstract

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A hot-melt adhesive comprising a thermoplastic resin and a first crystalline material, wherein when in differential scanning calorimetric measurement of the hot-melt adhesive, Tc (° C.) is a peak temperature of the highest peak of exothermic peaks observed in a temperature reduction process at 10° C./min following heating to 150° C. and Tm (° C.) is a peak temperature of the highest peak of endothermic peaks observed in a temperature increasing process at 10° C./min following the temperature reduction process, Tm−Tc is 20.0 to 70.0° C., and a tetrahydrofuran-soluble matter of the hot-melt adhesive has a weight-average molecular weight Mw, as measured by gel permeation chromatography, of 100,000 to 400,000.

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Patent Owner(s)

Patent OwnerAddress
CANON KABUSHIKI KAISHATOKYO

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Shimano, Tsutomu Tokyo, JP 43 961
Terui, Yuhei Shizuoka, JP 52 710
Yamawaki, Kentaro Shizuoka, JP 33 354

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