| Patent Number |
Title Of Patent |
Date Issued |
| 6872773 |
Preparation of readily water-redispersible and water-wettable polymer powders |
March 29, 2005 |
| A readily water-redispersible and water-wettable polymer powder is prepared by spray-drying of an aqueous dispersion of polymer particles with admixing of a hydrophilic and of a hydrophobic antiblocking agent. |
| 6762221 |
Use of naphthalenesulfonic acid-formaldehyde condensates products as drying aids |
July 13, 2004 |
| Naphthalenesulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions.Also described is a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders. |
| 6716922 |
Thermally hardenable polymer binding agent in the form of a powder |
April 6, 2004 |
| The invention relates to a thermally hardenable polymer dispersion powder and the use of said powder as a binding agent in particular for fibrous and grainy materials. The binding agent in powder form is obtained by drying a polymer dispersion which comprises a carboxyl-group-containing |
| 6469135 |
Preparation of polymer powders |
October 22, 2002 |
| The present invention provides a process for preparing polymer powders by evaporating the volatile constituents from aqueous dispersions of film-forming polymers P in the presence of drying assistants T selected from the salts of oligomeric arylsulfonic acid-formaldehyde condensates |
| 6214929 |
Stabilized polymer dispersions or polymer solutions, and prepared polymers obtainable therefrom |
April 10, 2001 |
| A polymer is obtained by removing the medium from a polymer dispersion or polymer solution containing at least one polymeric phase and at least one stabilizer suitable to protect against the damaging effect of light, heat and/or oxidation. |
| 6143808 |
Polymer compositions in powder form |
November 7, 2000 |
| The invention relates to a pulverulent polymer composition comprisinga) a particulate mineral carrier of high specific surface area andb) a polymer dispersion applied to the carrier, andto a process for preparing this pulverulent polymer composition, to its use for preparing building materials, |
| 6084018 |
Pulverulent adhesive |
July 4, 2000 |
| Pulverulent adhesives comprise a redispersible polymer powder based on a polymer which can be obtained in the presence of a protective colloid, and additionally comprise a filler, an alkaline additive and, if desired, an emulsifier and other additives. |
| 6028167 |
Use of phenolsulfonic acid-formaldehyde condensation products as drying aids |
February 22, 2000 |
| Phenolsulfonic acid-formaldehyde condensates are used as assistants in the drying of aqueous polymer dispersions.Also described are a process for preparing polymer powders by drying, using these condensates; the polymer powders obtainable by the process; and their use as binders. |
