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US 12,378,454 B2Granted
Adhesive, laminate, and packaging material
AssigneeDIC Corporation
InventorsHiroshi Ebato, Yutaka Hamasuna, Takashi Mihara
Life of this patent
Estimating the term…
Abstract
Provided are a laminating adhesive, a laminate, and a packaging material which are excellent in retorting resistance and content resistance. The adhesive includes a polyol composition (A) including a polyester polyol (A1), and a polyisocyanate composition (B) including a polyisocyanate compound (B1), in which the polyester polyol (A1) is a reaction product of a composition including a polycarboxylic acid and a polyhydric alcohol, the polycarboxylic acid including a tetramer acid. The laminate and the packaging material are produced using the adhesive.
Claims11
An adhesive comprising:
- a polyol composition (A) including a polyester polyol (A1);
- and
- a polyisocyanate composition (B) including a polyisocyanate compound (B1), wherein
- the polyester polyol (A1) is a reaction product of a composition including a polycarboxylic acid, a polyhydric alcohol and an isocyanate compound, the polycarboxylic acid includes a tetramer acid, and the adhesive is a two-component curable adhesive.
1 more element
Dependencies are inferred from the claim text.