ADHESIVE AND ADHESIVE SHEET

WIPO Patent Application WO/2020/218174

A1

Provided is an adhesive that uses plant-derived, environmentally friendly raw materials, obtained by crosslinking an adhesive composition containing a polyester resin (i) having a structural unit derived from a polycarboxylic acid (a) and a structural unit derived from a polyol component (b) as an adhesive having good adhesive properties and excellent dent resistance and transparency, wherein the polyester resin (i) contains 60 wt% or more relative to the polyester resin (i) of a structural unit derived from at least one selected from the group consisting of dimer acids, sebacic acids, and dimer diols and contains a glycol (b1) having an even number of carbon atoms (however, excluding dimer diols) as the polyol component (b), the ester group concentration of the polyester resin (i) is 2 mmol/g or higher, and the adhesive has an adhesive force (α) of 1 N/25 mm or higher under specific conditions.

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SUZUKI HIDEAKI (JP)

PCT/JP2020/016806

October 29, 2020

April 17, 2020

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MITSUBISHI CHEM CORP (JP)

C09J11/06; C08G63/12; C09J7/38; C09J11/08; C09J167/00

JP2015196822A	2015-11-09
JP2012036278A	2012-02-23
JP2012107175A	2012-06-07
JP2015134906A	2015-07-27
JP2011088961A	2011-05-06
JP2007308626A	2007-11-29
JP2010037463A	2010-02-18

See also references of EP 3960826A4

SAITOH Yukihiko et al. (JP)

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