An adhesive composition comprising a polyol base part and an...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 175/04 (2006.01) C08G 18/20 (2006.01)

Patent

CA 2634904

An Adhesive Composition Comprising a Polyol Base Part and an Isocyanate Hardener and the Use thereof An adhesive composition comprising a two- component polyurethane binder composition comprising a polyol base part comprising a catalyst and a low viscosity solvent-free MDI hardener may be used for assembling an object from a number of parts to be assembled by a glue joint and even by heating only the free end of the glue joint to a temperature activating the catalyst a quick hardening will occur allowing an early moving of an assembly being assembled using the adhesive composition and thus allowing the use of the same site for assembling another assembly within the same working day.

L~invention concerne une composition adhésive comprenant une base de polyol et un agent de durcissement à base d~isocyanate, ainsi que son utilisation. La composition adhésive selon l~invention comprend une composition de liant à base de polyuréthane à deux composants comprenant une base de polyol comprenant un catalyseur et un agent de durcissement MDI sans solvant et de faible viscosité. Cette composition peut être utilisée pour l~assemblage d~un objet en plusieurs parties à assembler par un joint de collage, un durcissement rapide ayant lieu, même en ne chauffant que l~extrémité libre du joint de collage à une température activant le catalyseur, permettant ainsi un déplacement rapide de l~objet assemblé à l~aide de cette composition adhésive, permettant ainsi l~utilisation du même site pour assembler un autre objet dans la même journée de travail.

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