Tackifier dispersion

C - Chemistry – Metallurgy – 08 – F

Patent

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Details

C08F 220/00 (2006.01) C09F 1/04 (2006.01) C09J 201/00 (2006.01)

Patent

CA 2555834

The invention relates to a tackifier dispersion comprising a resinous material and an emulsifier, the emulsifier being obtainable by a method comprising providing an ester of one or more fatty acids containing at least two conjugated double bonds, reacting the ester with a dienophile containing an acid or anhydride group, to form an intermediate product A, and, reacting the intermediate product A with one or more polyalkylene glycols. The invention also relates to a method for the production of a tackifier dispersion, its use as a tackifier, and an adhesive composition comprising the tackifier dispersion. The invention further relates to an emulsifier, a method of producing the same and its use for emulsifying resinous materials.

L'invention porte sur une dispersion d'agent poisseux comprenant un matériau résineux et un émulsifiant. L'émulsifiant s'obtient par un procédé consistant: à se procurer un ester d'un ou plusieurs acides gras contenant au moins deux liaisons doubles conjuguées; à faire réagir l'ester avec un diénophile contenant un acide ou un groupe anhydride pour former un produit intermédiaire (A); et à faire réagir le produit intermédiaire (A) avec un ou plusieurs polyalkylène glycols. L'invention porte également sur un procédé d'obtention d'une dispersion d'agent poisseux, sur son utilisation comme agent poisseux, et sur une composition adhésive comprenant la dispersion d'agent poisseux. L'invention porte en outre sur un émulsifiant, sur son procédé d'obtention, et sur son utilisation pour émulsifier des matériaux résineux.

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