Title:
TWO-PACK CURABLE ADHESIVE COMPOSITION, ANCHOR COATING MATERIAL, ADHESIVE, LAMINATE, AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2022/220151
Kind Code:
A1
Abstract:
Provided are an adhesive having excellent gas-barrier properties, a laminate, and a packaging material. Also provided is a two-pack solvent-free adhesive composition which comprises a polyol composition (X) comprising a polyester polyol (A1) and a polyol (A2) and a polyisocyanate composition (Y) including a polyisocyanate compound (C), wherein the polyester polyol (A1), when reacted with a trimethylolpropane adduct of xylylene diisocyanate under the conditions of NCO/OH of 2±0.2, gives a cured coating film which has an oxygen permeability at 23°C and 0% RH of 300 cc/m2/day/atm or less in terms of 3 g/m2, and the polyol (A2) has two or more hydroxyl groups, a density of 1.2 g/cm3 or higher, and a melting point of 20°C or greater. The adhesive, anchor coating material, laminate, and packaging material each comprise or are obtained using the adhesive composition.
Inventors:
TOKUNAGA SENYU (JP)
TESHIMA TSUNEYUKI (JP)
ARAI MASAMITSU (JP)
TESHIMA TSUNEYUKI (JP)
ARAI MASAMITSU (JP)
Application Number:
PCT/JP2022/016451
Publication Date:
October 20, 2022
Filing Date:
March 31, 2022
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B27/40; B65D65/40; C09J175/06; C09J175/08
Domestic Patent References:
| WO2020129668A1 | 2020-06-25 | |||
| WO2017104639A1 | 2017-06-22 | |||
| WO2020262006A1 | 2020-12-30 |
Foreign References:
| JP2014159548A | 2014-09-04 | |||
| JP2013018904A | 2013-01-31 | |||
| JP2013237154A | 2013-11-28 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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