Title:
TWO-PART TYPE ADHESIVE, POLYISOCYANATE COMPOSITION FOR TWO-PART TYPE ADHESIVE, LAYERED PRODUCT, AND PACKAGING MATERIAL
Document Type and Number:
WIPO Patent Application WO/2020/129668
Kind Code:
A1
Abstract:
Provided are: a two-part type adhesive having an excellent gas barrier function and heat resistance; a polyisocyanate composition for said two-part type; a layered product; and a packaging material. This two-part type adhesive contains a polyol composition (A) and a polyisocyanate composition (B), wherein the polyol composition (A) contains a polyester polyol (A1) which is a reaction product of a polycarboxylic acid containing an ortho-alignment polycarboxylic acid with a polyhydric alcohol, the polyisocyanate composition (B) contains a polyester polyisocyanate (B1), a polyphenylene polymethylene polyisocyanate (B2), and diphenylmethane diisocyanate (B3), the polyester polyisocyanate (B1) is a reaction product of a polyester polyol (B1') which is a reaction product of a polycarboxylic acid containing an aromatic polycarboxylic acid with a polyhydric alcohol, with diphenylmethane diisocyanate (B1'').
Inventors:
TESHIMA TSUNEYUKI (JP)
ARAI MASAMITSU (JP)
TAKEDA HIROYUKI (JP)
HIROTA YASUNOBU (JP)
ARAI MASAMITSU (JP)
TAKEDA HIROYUKI (JP)
HIROTA YASUNOBU (JP)
Application Number:
PCT/JP2019/047585
Publication Date:
June 25, 2020
Filing Date:
December 05, 2019
Export Citation:
Assignee:
DAINIPPON INK & CHEMICALS (JP)
International Classes:
B32B27/40; B65D65/40; C08G18/10; C08G18/42; C08G18/76; C09J175/06
Domestic Patent References:
| WO2017103992A1 | 2017-06-22 | |||
| WO2017104639A1 | 2017-06-22 |
Foreign References:
| JP2014101422A | 2014-06-05 | |||
| JP2016175973A | 2016-10-06 |
Attorney, Agent or Firm:
OGAWA Shinji (JP)
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