ADHESIVE FOR LAMINATE

To provide an adhesive for a laminate capable of suppressing the deterioration of the taste of contents even if used for a packaging material for foods while using a raw material derived from plants and capable of securing adhesive strength.SOLUTION: There is provided an adhesive for a laminate whic...

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Bibliographische Detailangaben
Hauptverfasser:	ANDO KAZUHIRO, KAMIMURA SETSU, KATAOKA YASUHIKO, MIYAUCHI YUTA, JONOUCHI TATSUYA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS POLISHES USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	To provide an adhesive for a laminate capable of suppressing the deterioration of the taste of contents even if used for a packaging material for foods while using a raw material derived from plants and capable of securing adhesive strength.SOLUTION: There is provided an adhesive for a laminate which is a reaction product of a polyol containing castor oils in a polyisocyanate component and a polyisocyanate by incorporating a polyisocyanate component and a polyol component, wherein the content ratio of castor oils in the polyol component is set to 1 mass% or less by incorporating a reaction product having a free isocyanate group.SELECTED DRAWING: None 【課題】植物由来の原料を利用しつつ、接着強度を確保できながら、食品の包装材に使用しても、内容物の味覚の悪化を抑制することができるラミネート用接着剤を提供すること。【解決手段】ラミネート用接着剤に、ポリイソシアネート成分と、ポリオール成分とを含有させ、ポリイソシアネート成分に、ひまし油類を含むポリオールと、ポリイソシアネートとの反応生成物であって、遊離のイソシアネート基を有する反応生成物を含有させ、ポリオール成分におけるひまし油類の含有割合を、１質量％以下とする。【選択図】なし