Evonik Stockhausen Gmbh

Evonik Corporation

Stockhausen Gmbh

Kimberly-clark Worldwide, Inc.

Evonik Degussa Gmbh

Stockhausen Gmbh & Co Kg

Stockhaussen, Inc.

Scott J Smith

Gonglu Tian

Iqbal Ahmed

David L Bergman

Frank Loeker

Stan McIntosh

Mark Joy

Bernfried A Messner

Heinz Bremus

Markus Frank

Yaru Shi

Angela Jones Lang

Jian Qin

Angela Marie Jones

Dave Allen Soerens

Janet Pate-Linton

Richard Norris Dodge, Ii

Harald Schmidt

Mirko Walden

Michael M Azad

Xinyuan Yang

Brian King

Matthew Thomas Ondisco

Whei-Neen Hsu

Richard N Dodge

Scott Tomlin

Geoff Blake

Seungkoo Kang

Geoffrey Wyatt Blake

Michael S Jarman

Lawrence Howell Sawyer

Michael Ralph Lostocco

Michael John Niemeyer

Jorg Harren

Laurent Wattebled

Sandra Marie Rogers

Christoph Loick

W Clayton Bunyard

Kenneth Raymond Schueler, Jr

Steven Michael Hurley

Timothy James Van Himbergen

Nancy Birbiglia Lange

Rüdiger Gerlach

Tammy J Nettekoven

Mark C Joy

Jessica Pillat

Dirk Magolei

Lisa Maus

Dirk Paepen

David L Bergman Jr

David L Berghman

Angela M Jones

Richard N Dodge Ii

Ahmed Iqbal

The present invention relates to a fast particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99, and a compressibility from 1.30 mm/N to about 4 mm/N as measured by the Compression Test, and wherein the particulate superabsorbent polymer composition may have a Vortex time of from 25 to 60 seconds and absorbency under load at 0.9 psi of from 15 to 21 g/g.

Particulate superabsorbent polymer composition having improved stability and fast absorption

The present invention relates to a water-absorbing polymer and to a process for preparation, including finishing the water-absorbing polymer, with 0.0001 to 3% by weight, of a peroxo compound, based on the acrylic acid, after the polymerization is treated, and to a process for producing a hydrogel polymer, to the product of the process and to use.

Superabsorbent polymers with improved odor control capacity and process for the production thereof

The present invention relates to a water-absorbing composition comprising at least The present invention also relates to a process for producing a water-absorbing composition, the water-absorbing composition obtainable by this process, a composite, a process for producing a composite, the composite obtainable by this process, chemical products such as foams, moldings, fibers, foils, films, cables, sealing materials, liquid-imbibing hygiene articles, carriers for plant and fungal growth regulators, packaging materials, soil additives or building products and also the use of a water-absorbing composition.

Odor and color stable water-absorbing composition

The present invention relates to a particulate superabsorbent polymer composition comprising a polymer comprising a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has a mean particle size distribution of from 300 to 400 &#x3bc;m, an original Free Swell Gel Bed Permeability (FSGBP) of about 20&#xd7;10cmto about 200&#xd7;10cm; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99 and having particles having a particle diameter of larger than 600 &#x3bc;m in an amount of less than about 15 wt % of the particulate superabsorbent polymer composition and as specified by standard sieve classification.

Particulate superabsorbent polymer composition having improved stability

The present invention relates to a particulate superabsorbent polymer composition having improved stability comprising a polymer comprising from about 0.01 wt % to about 5 wt % of a neutralized aluminum salt solution applied to the surface of a particulate superabsorbent polymer; wherein an aqueous solution of the neutralized aluminum salt has a pH value from about 5.5 to about 8 and the particulate superabsorbent polymer composition has an original Free Swell Gel Bed Permeability (FSGBP) of about 20&#xd7;10cmto about 200&#xd7;10cmand a compressibility of from about 1.30 mm/N to about 4 mm/N prior to subjecting the particulate superabsorbent polymer composition to a Processing Test; and subsequent to subjecting the particulate superabsorbent polymer composition to the Processing Test, the particulate superabsorbent polymer composition has a permeability stability index of from about 0.60 to about 0.99.

The present invention relates to a particulate superabsorbent polymer composition which absorbs water, aqueous liquids, and blood, and a process to make the superabsorbent polymers, wherein a superabsorbent polymer is surface treated with a neutralized multivalent metal salt solution having a pH value similar as that of human skin. The present invention also relates to particulate superabsorbent polymer composition having high Gel Bed Permeability and high Absorbency Under Load.

Particulate superabsorbent polymer composition having improved performance properties

A process for the preparation of superabsorbent polymer containing clay, the process including the steps of (I) polymerizing a polymerization mixture comprising: (a) one or more ethylenically unsaturated carboxyl-containing monomers, (b) one or more crosslinking agents, (c) optionally one or more comonomers copolymerizable with the carboxyl-containing monomer, (d) neutralizing agent to partially neutralize the polymer to from about 50% to about 99%, by weight, and (e) a polymerization medium, to form a crosslinked partially neutralized hydrogel, (II) admixing a clay with the crosslinked partially neutralized hydrogel to form partially neutralized superabsorbent polymer-clay hydrogel; (III) drying the crosslinked partially neutralized hydrogel at a temperature from about 190&#xb0; C. to about 210&#xb0; C. and for a time period of from about 15 minutes to about 120 minutes, and (IV) comminuting the dried partially neutralized superabsorbent polymer-clay hydrogel to particles.

Superabsorbent polymer containing clay particulate, and method of making same

The present invention relates to a process for the production of water-absorbing polymer structures, comprising the process steps of providing of an aqueous monomer solution comprising a polymerizable, monoethylenically unsaturated monomer (&#x3b1;1) carrying acid groups or a salt thereof; free-radical polymerization of the aqueous monomer solution to give a polymer gel, drying of the optionally comminuted polymer gel to give water-absorbing polymer structures, and surface post-crosslinking of the optionally ground and sieved water-absorbing polymer structures, wherein a thermoplastic polymer is added to the aqueous monomer solution before process step ii) or during process step ii), preferably before process step ii), or II) the polymer gel after process step ii) and before process step iv) or during process step iv), preferably before process step iv), or III) the water-absorbing polymer structure after process step iv).

Water-absorbing polymer structures produced using polymer dispersions

The invention relates to absorptive, crosslinked polymers which are based on partly neutralized, monoethylenically unsaturated monomers carrying acid groups wherein the absorptive crosslinked polymer may be coated with a thermoplastic polymer, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which has a high gel bed permeability and high centrifuge retention capacity.

Superabsorbent polymer with high permeability

The present invention relates to a process for producing a water-absorbent polysaccharide including the process steps of bringing into contact an uncrosslinked polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel and crosslinking the polysaccharide gel. The invention further relates to a water-absorbent polysaccharide obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the water-absorbent polysaccharides or of the composites as well as the use of polyphosphates.

Water-absorbing polymer

The invention relates to absorptive, crosslinked polymeric composition that are based on partly neutralized, monoethylenically unsaturated monomer carrying acid groups wherein the absorptive crosslinked polymer may be coated with a polymeric coating, and have improved properties, in particular in respect of their capacity for transportation of liquids in the swollen state, and which have a high capacity and a high gel bed permeability.

High permeability superabsorbent polymer compositions

The present invention relates to absorbent compositions which exhibit swelling, deswelling, and reswelling behavior. More specifically, absorbent compositions of this invention swell and absorb fluids after exposure to aqueous fluids, deswell and release fluids from the swollen absorbent compositions, and may also reswell and absorb fluids. The swelling-deswelling-reswelling behavior allows enhanced liquid distribution in absorbent composites.

Superabsorbent polymer compositions having a triggering composition

A process for producing a polysaccharide superabsorbent particulate including the process steps of bringing into contact a polysaccharide with a polyphosphate or a polyphosphoric acid as crosslinking agent in the presence of water to form a polysaccharide gel drying the polysaccharide gel, comminuting the dried polysaccharide gel to form polysaccharide superabsorbent polymer particles, coating the particles with a polyphosphate or polyphosphoric acid, crosslinking the coated particles, and surface treating the particulate with a metal multivalent salt or an acid. The invention further relates to a polysaccharide superabsorbent polymer particulate obtainable by this process, a water-absorbent polysaccharide, a composite, a process for producing a composite, a composite produced by this process, the use of the polysaccharide superabsorbent particulates or of the composites as well as the use of polyphosphates.

Water-absorbing polysaccharide and method for producing the same

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Greensboro, NC, United States of America

Scott J Smith