Akzo Nobel Chemicals International B.v.

Nouryon Chemicals International B.v.

Natalija Gorochovceva

Per-Erik Hellberg

Anders Klingberg

Daniel Hagberg

Johan Nordberg

A bitumen containing composition, comprising bitumen and a phosphate compound, which is obtainable by the esterification of a polyhydric alcohol having at least three hydroxyl groups, with a carboxylic acid having 8-24 carbon atoms, preferably 12-22 carbon atoms, or a derivative thereof, wherein at least one but not all of the hydroxyl groups are esterified, provided that when the polyhydric alcohol has 5 or more hydroxyl groups then at least two but not all of the hydroxyl groups are esterified, followed by reacting the ester obtained with a phosphatising reagent; wherein the said composition is not a bitumen-in-water emulsion.

Phosphated compounds as adhesion promoters

The present invention relates to the use of a product obtainable by the reaction of a fatty acid, or mixture of acids, having the formula RCOOH (I); and a dicarboxylic acid or a derivative thereof having the formula (IIa) or (IIb) with an alkoxylated fatty amine having the formula (III) or a partial or wholly quaternized derivative thereof; optionally said reaction between the fatty acid, the dicarboxylic acid and the alkoxylated fatty amine is being followed by a further reaction step wherein part or all of the nitrogen atoms are quaternized by reaction with an alkylating agent RX; as a corrosion inhibitor for metal surfaces. The present invention also relates to such products and to methods for their production. 

Polyester polyamine and polyester polyquaternary ammonium corrosion inhibitors

The present invention relates to the use of a polyesteramine or a polyester polyquaternary ammonium compound as a corrosion inhibitor for metal surfaces, and to a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibitor.

Use of polyester polyamine and polyester polyquaternary ammonium compounds as corrosion inhibitors

The present invention relates to the use of a polymeric quaternary ester product as a collector in a froth flotation process, to a method for froth flotation utilizing the polymeric quaternary ester, to the polymeric quaternary ester as such, and to methods for the production of the polymeric quaternary ester.

Use of quaternary ammonium compounds as collectors in froth flotation processes

The present invention relates to the use of a product obtainable by the reaction of an alkoxylated fatty amine with a dicarboxyhc acid derivative, followed by partial or total quaternization of the reaction product obtained; or by reacting a product with a dicarboxylic acid derivative, followed by partial or total quaternization of the reaction product obtained. The product consists of &#x3e;60% w/w of oligomers/polymers with at least two alkoxylated amine units and one or more diacid/acid anhydride unit or &#x3e;50% w/w of oligomers/polymers with at least two alkoxylated amine units and two or more diacid/acid anhydride units; as a corrosion inhibitor for metal surfaces. The invention also relates to a method for protecting a metal surface from corrosion by contacting the metal surface with said corrosion inhibitor.

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Hjälteby, Sweden

Natalija Gorochovceva