SOLVENTLESS ADHESIVE COMPOSITION AND LAMINATE

To provide a solventless adhesive composition having excellent workability with viscosity increase after compounding suppressed, resistance to an acidic content, and less change with time, and a laminate using the composition.SOLUTION: A solventless adhesive composition comprises a resin (A) made by...

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Bibliographische Detailangaben
Hauptverfasser:	NATSUMI TATSUAKI, MAEDA SATOSHI, KANEKO CHISATO, UCHIYAMA YUSEI
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE ADHESIVES CHEMISTRY DYES LAYERED PRODUCTS LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL PAINTS PERFORMING OPERATIONS POLISHES TRANSPORTING USE OF MATERIALS AS ADHESIVES
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Beschreibung
Zusammenfassung:	To provide a solventless adhesive composition having excellent workability with viscosity increase after compounding suppressed, resistance to an acidic content, and less change with time, and a laminate using the composition.SOLUTION: A solventless adhesive composition comprises a resin (A) made by copolymerizing a (meth)acrylate and maleic anhydride, a polyol (B) having a secondary hydroxyl group at a terminal, and an aromatic polyisocyanate (C). Preferably, the content of the resin (A) is 0.1 to 10 mass% relative to polyol (B).SELECTED DRAWING: None 【課題】本発明の課題は、配合した後の粘度上昇を抑えて作業性が優れ、耐酸性内容物適性があり、かつ経時劣化しにくい無溶剤型接着剤組成物、及び該組成物を用いた積層体を提供することにある。【解決手段】上記課題は、（メタ）アクリル酸エステルと無水マレイン酸とを共重合させてなる樹脂（Ａ）、末端に２級水酸基を有するポリオール（Ｂ）、及び芳香族ポリイソシアネート（Ｃ）、を含有し、好ましくは、前記樹脂（Ａ）の含有量が前記ポリオール（Ｂ）に対して０．１〜１０質量％である無溶剤型接着剤組成物によって解決される。【選択図】なし