Basf Aktiengesellschaft

Basf Se Corporation

Jürgen Schröder

Rüdiger Funk

Matthias Weismantel

Thomas Pfeiffer

Gerhard Nestler

Klaus Joachim Müller-Engel

Reinhold Schwalm

Klaus Ebel

Ulrich Hammon

Thomas Daniel

Ulrich Riegel

Uwe Stueven

Joachim Thiel

Thomas Jaworek

Emil Bitzer

Andreas Popp

Toni Dockner

Volker Schliephake

Dieter Baumann

Hans Rupert Merkle

Stefan Blei

Jörg Heilek

Erich Fretschner

Albrecht Dams

Ruediger Funk

Friedrich-Georg Martin

Volker Diehl

Ulrich Rauh

Marco Krueger

Karl Possemiers

Carsten Groning

Hugues Vandenmersch

Klaus Dieter Hörner

Ernst Lang

Ulrich Jäger

Gisela Hieber

Bernd Ruge

Carl-Ludwig Krüger

Stefan Bock

Domien Van Esbroeck

Renate Wüstefeld

Matthias Geisendörfer

A process for producing superabsorbent particles, comprising drying of a polymer gel, removal of incompletely dried polymer particles, comminution of the polymer particles removed, recycling of the comminuted polymer particles and storage of the recycled polymer particles.

Method for producing super absorber particles

A process for producing water-absorbing polymer particles, wherein surface postcrosslinked water-absorbing polymer particles are remoisturized and delivered pneumatically, and wherein the time between remoisturization and pneumatic delivery is less than one hour.

Process for remoisturizing surface-postcrosslinked water-absorbing polymer particles

A process for producing water-absorbing polymer particles, comprising the steps of thermal cracking of bionaphtha in the presence of steam, removing propene and at least some of the propane, gas phase oxidation to give acrylic acid and polymerization to give water-absorbing polymer particles.

Method for producing superabsorbers based on renewable raw materials

A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles by means of bar magnets, wherein the water-absorbing polymer particles comprise a surfactant and have direct contact with the bar magnets.

Method for removing metal impurities

The present invention relates to a process for producing water-absorbing polymer particles, wherein an aqueous monomer solution is polymerized and the monomer solution is prepared using steam condensate.

Use of heating steam condensate for producing water-absorbent polymer particles

A process for producing water-absorbing polymer particles, wherein surface postcrosslinked water-absorbing polymer particles are remoisturized and classified, and wherein the time between remoisturization and classification is at least 15 minutes.

Method for re-wetting surface post-cross-linked, water-absorbent polymer particles

A process for continuously producing water-absorbing polymer particles by polymerizing a monomer solution comprising acrylic acid and/or salts thereof, wherein the acrylic acid supplied has a dimeric acrylic acid content of at least 0.02% by weight and the dimeric acrylic acid content is kept essentially constant.

Process for continuously producing water-absorbing polymer particles

A process for continuously producing water-absorbing polymer particles, wherein the acrylic acid used to produce the polymer particles has a low purity.

A process for producing water-absorbing polymer particles, comprising classification by means of a tumbler screening machine, wherein the tumbler screening machine used for classification is equipped with at least one ball knock cleaning system and entrained balls are removed outside the tumbler screening machine by means of a capture device.

Method for the production of water-absorbing polymer particles

A process for removing metallic impurities from a product mass flow comprising water-absorbing polymer particles, wherein the product mass flow has a temperature of 35 to 90&#xb0; C.

Method for removing metallic impurities

A process for classifying water-absorbing polymer beads, wherein the polymer beads are separated into n particle size fractions by means of at least n screens and n is an integer greater than 1.

Method for grading water-absorbent polymer particles

A process for producing water-absorbing polymer particles, wherein an aqueous polymer gel is dried in a forced-air belt drier on a circulating conveyor belt and the surface of the conveyor belt has a roughness of at least 0.9 &#x3bc;m.

Process for producing water-absorbing polymer particles

The invention relates to processes for preparing water absorbing polymers by polymerization of a monomer solution comprising allyl acrylate and/or allyl alcohol, the solution comprising not more than 0.002% by weight of allyl acrylate and/or allyl alcohol, based on acrylic acid, to aqueous monomer solutions for producing water absorbing polymers, to water absorbing polymers, to processes for producing hygiene articles and also to hygiene articles.

Method for producing water-absorbing polymers

A process for producing water-absorbing polymeric particles comprises conducting the polymerization in at least two parallel continuous polymerization reactors under substantially identical conditions and further processing the reaction products conjointly in at least one process step.

Method for producing water-absorbing polymer particles

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Ludwigshafen, Germany

Jürgen Schröder