POLYOL MAIN AGENT, POLYURETHANE ADHESIVE, AND LAMINATE

Title:

POLYOL MAIN AGENT, POLYURETHANE ADHESIVE, AND LAMINATE

Document Type and Number:

Japanese Patent JP2022101229

Kind Code:

A

Abstract:

To provide: a polyol main agent constituting a polyurethane adhesive that uses a bio-mass raw material, is excellent in coating appearance without generating poor appearance like "orange peel" irrespective of a print pattern, exhibits excellent adhesion even to a metal deposited film or a metal foil; a polyurethane adhesive; and a laminate formed by using the polyol main agent and the polyurethane adhesive and excellent in coating appearance and adhesion performance.SOLUTION: Provided is a polyurethane adhesive that comprises a polyol (A), a polyisocyanate (B) and filler (C), where the polyol (A) contains a plant-derived polyol (a1) and polyol (a2) containing a constituent unit derived from polyether polyol having a number-average molecular weight in the range of 50 to 2,500, and the filler (C) is filler having a pH value exceeding 7 as measured according to JIS K5101.SELECTED DRAWING: None

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Inventors:

OSHIMA RYOTA
UCHIYAMA YUSEI

Application Number:

JP2020215683A

Publication Date:

July 06, 2022

Filing Date:

December 24, 2020

Export Citation:

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Assignee:

TOYO INK SC HOLDINGS CO LTD

International Classes:

C09J175/04; B32B7/12; B32B27/40; C09J11/00; C09J11/04; C09J175/08

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