Adhesives, laminates, packaging materials

JP7632752B2Active Publication Date: 2025-02-19DIC CORP
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Patent Information

Application Number
JP2024524442
Authority / Receiving Office
JP · JP
Patent Type
Patents
Current Assignee / Owner
Priority Date
2022-12-06
Filing Date
2023-11-16
Publication Date
2025-02-19
Estimated Expiration
2043-11-16

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Patent Text Reader

Abstract

The present invention provides: a two-liquid curing type adhesive agent that has excellent vapor deposition detachment resistance and heat-seal strength; a laminate obtained by using the adhesive agent; and a packaging material.　This two-liquid curing type adhesive agent includes: a polyisocyanate composition (X) containing a polyisocyanate compound (A); and a polyol composition (Y) containing a polyol (B). The polyisocyanate compound (A) includes: a polyurethane polyisocyanate (A1) which is a reaction product of an aromatic polyisocyanate (a) and polyols (b); and an adduct body (A2) of a diisocyanate (c) and a polyol (d). The polyols (b) include a polyester polyol (b1) and a polyether polyol (b2).
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Citation Information

Patent Citations

  • Solventless adhesive composition and laminating method

    JP2001164229A

  • Adhesive for lamination

    JP2011102387A

  • Two-liquid type adhesive

    JP2015067663A

  • Polyester-free laminating adhesive composition

    JP2020513445A

  • Packaging material and packaging container

    JP2021102307A