2-CYANOACRYLATE-BASED ADHESIVE COMPOSITION CONTAINING TOCOPHEROL

• Main Authors: WAKI KOICHI, YOSHIDA ETSUO, SAKOWAKI MITSURU
• Format: Patent
• Language: English; Japanese
• Published: 23.02.2017
• Subjects: 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

PROBLEM TO BE SOLVED: To provide a 2-cyanoacrylate-based adhesive composition containing a polymerization inhibitor good in storage stability and high in safety under circumstance that hydroquinone mainly used as a radical polymerization inhibitor of a 2-cyanoacrylate-based adhesive composition currently is classified as a material with concern about carcinogenicity by FDA (Food and Drug Administration), there is possibility to have use limit due to recent environmental emission risk or the like and products with high safety are expected to be required in the future.SOLUTION: There is provided a 2-cyanoacrylate-based adhesive composition containing tocopherol of 1 to 1000 ppm, more preferably 5 to 100 ppm used together with an anionic polymerization inhibitor.SELECTED DRAWING: None 【課題】現在２−シアノアクリレート系接着剤組成物のラジカル重合防止剤として主に使用されているハイドロキノンは、ＦＤＡ（アメリカ食品医薬品局）で発がん性が懸念される物質とされている事、また近年の環境排出リスク等から使用制限を受ける可能性も有る為、今後は安全性の高い物が求められると予想される。本発明は、保存安定性が良好であり、且つ安全性の高い重合防止剤を含有した２−シアノアクリレート系接着剤組成物を提供すること。【解決手段】アニオン重合防止剤と併用してトコフェロールを１〜１０００ｐｐｍ、より好ましくは５〜１００ｐｐｍ含有する２−シアノアクリレート系接着剤組成物。【選択図】なし