发明申请
US20100136347A1 TWO COMPONENT SOLVENTLESS POLYURETHANE LAMINATING ADHESIVES BASED ON 1,4:3,6 DIANHYDROHEXITOLS 审中-公开
基于1,4:3,6二氨基四氢呋喃的两种组分无溶剂聚氨酯粘合剂

TWO COMPONENT SOLVENTLESS POLYURETHANE LAMINATING ADHESIVES BASED ON 1,4:3,6 DIANHYDROHEXITOLS
摘要:
A two component laminating adhesive is provided, wherein one component contains at least one isocyanate-functionalized compound and the other component contains one or more 1,4:3,6 dianhydrohexitols. A laminate may be formed by combining the two components to provide an adhesive and then using the adhesive to adhere one polymeric film or metallic foil to another polymeric film or metallic foil. The adhesive layer between the film and/or foil layers of the laminate is then cured. The adhesives exhibit faster green strength development and higher final bond strength as compared to conventional two component laminating adhesives not containing any 1,4:3,6 dianhydrohexitol as a coreactant.
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