C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 4/40 (2006.01) C09J 4/00 (2006.01)
Patent
CA 2243573
The present invention provides adhesive compositions which include free radical polymerizable compounds and a redox catalyst system to accelerate polymerization thereof. The redox catalyst includes an aniline derivative substituted in the para position by halogen as an accelerator. The use of para- halogenated aniline derivatives as an accelerator in the cure of free radical polymerizable compounds results in good bond strength and greatly improved surface cure of the adhesive composition.
Compositions adhésives comprenant des composés polymérisables à radicaux libres et un système catalyseur d'oxydo-réduction pour accélérer la polymérisation. Le catalyseur d'oxydo-réduction comprend un dérivé d'aniline substitué en position para par un halogène servant d'accélérateur. L'utilisation de dérivés d'aniline para-halogénés comme accélérateur dans la polymérisation de composés polymérisables à radicaux libres assure une bonne résistance d'adhésion et une polymérisation de surface nettement améliorée de la composition adhésive.
Dawdy Terrence H.
Righettini Robin F.
Lord Corporation
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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