Akzo Nobel N.v.

Nouryon Chemicals International B.v.

Akzo Nobel Coatings International B.v.

Marco Ypma

Hanneke Boerstoel

Hendrik Maatman

Elwin Schomaker

Martin Heus

Jan Barend Westerink

Paulus Johannes Cornelis Van Haeren

Roy Gérard Doppen

Jozef Johannes Maria Baltussen

Jannes Veurink

Roy Doppen

Raymond Jean Cécile Vaessen

Stijn Oudenhoven

Hanueke Boerstoel

Stijn Richard Gerard Oudenhoven

Van Paulus Johannes Cornelis Haeren

The present invention relates to a crumbly phase composition containing on total weight of the composition The invention furthermore relates to a process to prepare the above composition and a process to prepare crystals of MGDA-Na3 by drying the above composition.

Crumbly phase composition of methylglycine N,N diacetic acid

A process for the preparation of a solid composition of an amino acid diacetic acid compound wherein the amino acid diacetic acid compound is methyl glycine-N,N-diacetic acid or a salt thereof, or glutamic N,N-diacetic acid or a derivative thereof, as well as the product obtained by such process are disclosed. The process includes feeding a saturated or oversaturated aqueous composition of the amino acid diacetic acid compound in an aqueous solvent to a drum dryer, wherein the aqueous composition is fed to the drum surface with a layer thickness of from about 0.1 to about 10 mm, the drum has a surface temperature of from about 80 to about 180&#xb0; C., and the drum operates at a tangential speed of from about 0.1 to about 100 m/min. The method further includes removing the mass from the drum before a full revolution of the drum.

Process to prepare a solid composition of an amino acid diacetic acid

An assembly for the production of dispersions including a mixing unit () and a circulation tank () for holding liquid, the mixing unit () including a first solid inlet () for receiving a solid, a second liquid inlet for receiving the liquid, a mixing chamber where the liquid and solid are mixed, and a return outlet (), the liquid inlet is fluidly connected to the circulation tank () such that liquid in the circulation tank flows to the mixing unit () via a circulation tank outlet (), the return outlet () transferring the combined liquid and solid from the mixing chamber () into the circulation tank () via a circulation tank inlet. The circulation tank has an interior height which is configured such that a chamber exists inside the tank above the level of the liquid. Alternatively, the circulation tank inlet is permanently positioned above the liquid level or it includes a pipe configured such that the dispersion forms a film on its inner surface. Alternatively, the circulation tank includes an impeller having a diameter equal to or greater than 0.5 times the internal diameter of the tank.

Assembly for the production of dispersions

Process for preparing cellulose fibers

Process for preparing a spinnable, isotropic cellulose solution

Cellulose fibres and filaments having a high elongation at break

Cellulose extrudates can be made from an optically anisotropic solution containing 94-100 wt % of: cellulose; phosphoric acid and/or its anhydrides; and water by extruding the solution, coagulating the formed extrudates, and then aftertreating those extrudates so that they have a degree of acidity which at least equals 7. Fibers obtained by such a processs possess particularly good thermal stability and are suitable for use as a reinforcing material.

Rubber article containing a reinforcing yarn of cellulose

Process for making cellulose extrudates

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Duiven, Netherlands

Marco Ypma