Patent application number | Description | Published |
20090170982 | Process for Manufacture of Paper Coatings With Improved Water Retention and Brookfield Viscosity Using a Comb Polymer With at Least One Grafted Polyalkylene Oxide Function - The invention concerns a process to manufacture paper coatings containing at least one mineral matter, at least one binder and water, characterised in that at least one comb polymer obtained by grafting of a least one polyalkylene oxide function on to the polymer chain, where the said chain results from the polymerisation of a least one ethylenic unsaturated monomer, is introduced into the above-mentioned composition. | 07-02-2009 |
20100038046 | USE OF AN AQUEOUS SUSPENSION AND/OR DISPERSION OF MINERAL MATERIALS CONTAINING A HYDROPHOBIC GROUP WATER-SOLUBLE COPOLYMER FOR MAKING A PAPER SHEET - The invention consists in the use, in a method for manufacturing a sheet of paper, of an aqueous suspension and/or dispersion of mineral materials as an agent for slowing the penetration of the paper coating into said sheet, characterized in that said suspension and/or dispersion contains at least one water-soluble copolymer made up of at least one ethylenically-unsaturated anionic monomer, and at least one ethylenically-unsaturated oxylalkylated monomer terminated by a hydrophobic chain. | 02-18-2010 |
20100095869 | METHOD FOR MANUFACTURING AN AQUEOUS SUSPENSION OR DISPERSION CONTAINING CALCIUM CARBONATE AND KAOLIN AND ITS USE IN THE MANUFACTURING OF PAPER COATINGS - The invention consists of a method for manufacturing an aqueous suspension or dispersion of calcium carbonate and kaolin, via steps of manufacturing, potentially in the presence of a dispersing agent or grinding agent, an aqueous suspension or dispersion of calcium carbonate with a solids content less than 70% of its weight, and of adding kaolin in dry powder form so as to achieve a ratio, by dry weight (precipitated calcium carbonate:kaolin) between (90:10) and (10:90). | 04-22-2010 |
20100184897 | PROCEDURE FOR MANUFACTURING AN AQUEOUS FORMULATION BASED ON A SOLUTION OF ACRYLIC COMB POLYMER AND ACRYLIC THICKENING EMULSION, THE FORMULATION OBTAINED AND ITS USE IN COATING PAPER - This invention relates to a process for producing a composition characterized in that it comprises the steps of:
| 07-22-2010 |
20100314061 | USE OF A MINERAL-MATERIAL STERIC DISPERSING AGENT IN WATER, AQUEOUS DISPERSION THUS OBTAINED AND USE THEREOF IN PAPER MAKING - A method for manufacturing a sheet of paper from a pulp and a sheet of paper obtained by the present method, wherein said pulp comprises a mixture of natural and/or synthetic fibers, water, and at least one aqueous suspension and/or dispersion comprising at least one mineral material, wherein said dispersion or suspension comprises, as a steric dispersing agent of at least one mineral material, at least one copolymer comprising at least one vinylic monomer, at least one non-ionic monomer, or a mixture of several monomers having formula (I) in the present method, wherein said agent limits the presence of divalent ions in the aqueous phase and said agent is not a chelating agent. | 12-16-2010 |
20110251307 | USE OF A STYRENE LATEX 100 NM IN SIZE AS A RHEOLOGICAL AGENT IN A PAPER COATING, THE PAPER COATING, AND THE METHOD FOR OBTAINING IT - The invention relates to coating slip including latex comprising styrene and with a particle size centered around 100 nm, the use of latex as an agent for reducing the low shear gradient viscosity and increasing the low shear gradient viscosity, and methods thereof. | 10-13-2011 |
20110305915 | HYDROXY POLYALKYLENE GLYCOL FUNCTION (METH) ACRYLIC COMB POLYMERS, THEIR USE AS SHEAR-THINNING AGENTS IN COATING DISPERSIONS AND DISPERSIONS CONTAINING THEM - Comb polymers useful in paper coating dispersions. | 12-15-2011 |
20130130046 | WEAKLY ANIONIC POLYMERS, USES THEREOF - The present invention concerns weakly anionic polymers including their use in paper coatings, especially those intended for paper for inkjet printing. These additives provide the sought thickening function, whilst improving water retention very appreciably. The invention also concerns a method of manufacture of such coatings, together with the coatings obtained in this manner. | 05-23-2013 |