Adhesive compositions

C - Chemistry – Metallurgy – 08 – G

Patent

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Details

C08G 18/80 (2006.01) C08G 18/08 (2006.01) C08G 18/69 (2006.01) C08G 18/79 (2006.01) C09J 5/06 (2006.01) C09J 175/02 (2006.01) C09J 175/04 (2006.01) C09J 175/14 (2006.01)

Patent

CA 2340500

The present invention relates to an aqueous dispersion containing an isocyanate-reactive polymer and a polyisocyanate, wherein the polyisocyanate has a melting or softening point of > 30°C and is in the form of a finely divided powder having a mean particle diameter of less than 100 µm. The present invention also relates to an adhesive composition containing this dispersion and to a process for bonding substrates with this composition.

La présente invention concerne une dispersion aqueuse contenant un polymère réactif avec des isocyanates et un polyisocyanate, où le polyisocyanate a un point de fusion ou de ramollissement de> 30º C et est sous la forme d'une poudre finement divisée ayant un diamètre moyen de particules inférieur à 100 µ La présente invention concerne également une composition adhésive contenant cette dispersion et un procédé d'adhésion des substrats avec cette composition.

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