Liquid moisture curable polyurethane adhesives for...

C - Chemistry – Metallurgy – 09 – J

Patent

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C09J 175/06 (2006.01) B32B 7/12 (2006.01) C09J 191/00 (2006.01)

Patent

CA 2752882

This invention relates to polyurethane prepolymer containing adhesives that are liquid at room temperature and that do not phase separate under typical storage and use conditions and that can be cured by exposure to moisture or active hydrogen-containing curing agents. The polyurethane prepolymer adhesives exhibit surprisingly good adhesion to plastics such as fiber-glass reinforced plastics ("FRP").

La présente invention concerne un prépolymère de polyuréthanne contenant des adhésifs qui sont liquides à la température ambiante et qui ne subissent pas de séparation de phases dans les conditions typiques de stockage et d'utilisation, et qui peuvent être durcis par exposition à l'humidité ou à des agents de durcissement contenant de l'hydrogène actif. Les adhésifs à base d'un prépolymère de polyuréthane présentent d'une manière surprenante une bonne adhérence sur les matières plastiques, telles que les matières plastiques renforcées de fibre de verre (FRP).

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