Basf Se Corporation

Construction Research & Technology Gmbh

University of California

Technical University of Munich

Master Builders Solutions Admixtures Us, LLC

Torben Gädt

Harald Grassl

Luc Nicoleau

Alexander Kraus

Manfred Bichler

Michael Schinabeck

Jürgen Detering

Martin Winklbauer

Oliver Mazanec

Christoph Hesse

Joachim Dengler

Bolette Urtel

Uwe Gehrig

Stephan Nied

Roland Ettl

Gaurav N Sant

Thorsten Bastigkeit

Heike Weber

Thomas Eiting

Stefan Friedrich

Björn Langlotz

Mario Vierle

Frank Dierschke

Maxim Pulkin

Madalina Andreea Stefan

Andreas Kempter

Iman Mehdipour

Paul Horst Seiler

Tatiana Mitkina

Klaus Seip

Alexander Assmann

Alfons Smeets

Peter Schwesig

Niklas Loges

Ewald Heintz

Jessica Neumann

Nina Susanne Hillesheim

Sebastian Seufert

Martin Pichler

Nicoletta Zeminian

Dorota Sendor-Müller

Michael Melchart

Thomas Gastner

Sandro Moro

Diana Eissmann

Juergen Bokern

Anil Bendale

Nicolas Moins

Klaus Hartl

Samanvaya Srivastava

Thiyagarajan Ranganathan

Sharu Bhagavathi Kandy

Antonia Grafetstetter

Stephanie Loges

Dorota Sendor-MÜLLER

A thermoresponsive suspension composition for use in additive manufacturing includes an aqueous suspension of a thermosetting resin, a crosslinking agent configured to react with the thermosetting resin, and a mineral particulate, wherein the thermosetting resin and crosslinking agent react at or above a trigger temperature.

Thermoresponsive suspension composites for 3D printing

The present invention relates to an additive for hydraulically setting compositions comprising a colloidally disperse preparation comprising at least one salt of a polyvalent metal cation with at least one organic phosphonate and/or phosphate compound as anion and at least one polymeric dispersant comprising anionic and/or anionogenic groups and polyether side chains. The additive is especially suitable as slump retainer and for improving early strength.

Additive for hydraulically setting compositions

Proposed is a polycondensation product comprising as monomer components at least one aryl polyoxyalkylene ether, at least one vicinally disubstituted aromatic compound, at least one aldehyde and also optionally further aromatic compounds; processes for preparing same, and also use thereof as dispersant for aqueous suspensions of inorganic binders and as grinding assistant for inorganic binders.

Polycondensation product based on aromatic compounds, method for the preparation and use thereof

The invention relates to a pulverulent composition preparable by contacting a powder with 0.01 to 50 wt %, based on the overall mass of the composition, of a liquid component comprising at least one copolymer obtainable by polymerizing a mixture of monomers comprising (I) at least one ethylenically unsaturated monomer which comprises at least one radical from the series carboxylic acid, carboxylic salt, carboxylic ester, carboxylic amide, carboxylic anhydride, and carboxylic imide and (II) at least one ethylenically unsaturated monomer having a polyalkylene oxide radical, the liquid component comprising at least 1 wt % of the at least one copolymer and at least 30 wt % of an organic solvent, and the powder which is contacted with the liquid component comprising no inorganic binder. Further disclosed is a binder composition which comprises a pulverulent composition of the invention and an inorganic binder.

Rapidly suspendable pulverulent composition

A process for hydrophobization of concrete or mortar using an aqueous dispersion containing an alkylketene dimer, at least one emulsifier and a condensation product of phenol sulfonic acid and formaldehyde, naphthalene sulfonic acid and formaldehyde, or naphthalene sulfonic acid, phenol, formaldehyde and urea; and the concrete or mortar obtainable by the process. The process allows effective mass and surface hydrophobization of concrete.

Process for hydrophobization of concrete

The present invention relates to a composition comprising (&#x3b1;) at least one inorganic binder and (&#x3b2;) at least one water-soluble copolymer based on (a) 0.1 to 20 wt % of at least one monomer of the formula (I) and (b) 25 to 99.9 wt % of at least one hydrophilic monomer (b) which is different from monomer (a), where the at least one copolymer has a molar mass average M of 1 500 000 to 30 000 000 g/mol. Furthermore, a process for producing this composition is disclosed. A further aspect of the present invention is the use of the copolymer of component (&#x3b2;) as rheological additive in a composition of the invention.

Inorganic binder composition comprising a copolymer

The invention relates to a composition comprising 5-50 wt % of calcium silicate hydrate, 10-60 wt % of at least one water-soluble, acid group-containing polymer comprising polyether groups, and 5-40 wt % of at least one polyalkylene glycol ether. Further disclosed is a process for preparing this composition, and cementitious mixtures comprising the composition. A further aspect of the present invention is the use of the composition of the invention in cementitious mixtures for accelerating the development over time of the dispersing action of the acid group-containing polymer after addition of the mixing water and a subsequently accelerated curing of the mixture.

Composition based on calcium silicate hydrate

The invention relates to an additive which can be used as a hardening accelerator for hydraulically setting compositions, comprising a) at least one polymeric dispersant comprising structural units having anionic or anionogenic groups and structural units having polyether side chains, b) at least one sulfonic acid compound of the formula (I) in which Ais NH, NHMe, NMe, N(CH&#x2014;CH&#x2014;OH), CH, CH, CH&#x2014;CH&#x2014;OH, phenyl, or p-CH-phenyl and Kis an alkali metal cation, or one equivalent of a cation selected from Ca, Mg, Sr, Ba, Zn, Fe, Fe, Al, Mn, or Cu, and c) calcium silicate hydrate particles.

Additive for masses that set hydraulically

The invention concerns a polycondensate containing (I) at least a structural unit, which is an aromatic moiety bearing a polyether side chain comprising 9 to 41 alkylene glycol units, (II) at least a structural unit, which is an aromatic moiety bearing at least one phosphoric acid ester group and (III) at least a methylene unit (&#x2014;CH&#x2014;), the polycondensate having a polycondensation degree of 10 to 75. Also concerned are building material mixtures containing said polycondensates and the use as dispersant for inorganic binders.

Additive for rheology improvement of inorganic binders

The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one salt of a mono- or polyvalent metal cation and of at least one compound which is able to release an anion which forms a low-solubility salt with the metal cation, and of at least one polymeric sulphonated dispersant. The additive is suitable particularly as a slump retainer.

The present invention relates to an additive for hydraulically setting compositions, comprising a colloidally disperse preparation of at least one water-soluble salt of a polyvalent metal cation, at least one compound capable of releasing an anion which forms a sparingly soluble salt with the polyvalent metal cation, and at least one polymeric dispersant which comprises anionic and/or anionogenic groups and polyether side chains.

Additive for hydraulically setting compounds

The invention relates to copolymers which comprise, in copolymerized form,

Copolymers comprising carboxylic acid groups, sulfo groups and polyalkylene oxide groups as a scale-inhibiting additive to washing and cleaning products

The invention relates to a composition comprising 1 to 70 wt % of at least one copolymer obtainable by polymerizing a mixture of monomers comprising (I) at least one ethylenically unsaturated monomer which comprises at least one radical from the series carboxylic acid, carboxylic salt, carboxylic ester, carboxylic amide, carboxylic anhydride, and carboxylic imide, and (II) at least one ethylenically unsaturated monomer having a polyalkylene oxide radical, 0.01 to 10 wt % of at least one emulsifier, and 30 to 98 wt % of at least one hydrocarbon liquid at 20&#xb0; C. or a hydrocarbon mixture. Also disclosed are a process for preparing the composition, and a pulverulent mixture comprising the composition of the invention.

Composition comprising a copolymer

The invention concerns a process for the preparation of a hardening accelerator composition by reaction of a water-soluble calcium compound with a water-soluble silicate compound, said reaction being carried out in the presence of an aqueous solution which contains a water-soluble comb polymer suitable as a plasticizer for hydraulic binders, wherein the water-soluble comb polymer is present as a copolymer which is produced by free radical polymerization in the presence of a phosphorylated monomer and a (meth)acrylic acid ester based polyether macromonomer.

Hardening accelerator composition

A polymer mixture in solid or aqueous form includes a content of from 5 to 95% by weight of a first polymer and a content of from 5 to 95% by weight of a second polymer. The first polymer is a water-soluble or water-dispersible polymer having a weight-average molecular weight of 1000 to 20 000 g/mol. The second polymer is a water-soluble or water-dispersible polymer having a weight-average molecular weight of 1000 to 50 000 g/mol. The polymer mixture can inhibit precipitation and sedimentation of calcium salts and magnesium salts in water-bearing systems.

Polymer mixtures as deposit inhibitors in water-bearing systems

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Traunstein, Germany

Torben Gädt