Patent application number | Description | Published |
20080257214 | Compositions Exhibiting Good Mixing Properties and Use of Silyl Derivatives as Isocyanate Additives, in Particular of Isocyanate Mixture - The invention concerns isocyanate compositions exhibiting good mixing properties. The compositions comprise for successive or simultaneous addition: an isocyanate sub-composition comprising by weight not more than 5% of diisocyanate monomers and monomers derived from amino acids and comprising an isocyanate function content not more than 55%; a compound selected among the compounds bearing dihydrocarbylsilylene groups bonded to a metalloid of the chalcogen column or to an atom of the nitrogen column, the content in such groups being not less than 0.1 wt. % expressed in silicon atom weight relative to the amount of monomers corresponding to units derived therefrom. The invention is applicable to the coatings industry, in particular paints and adhesives. | 10-23-2008 |
20090054613 | FAST DRYING POLYURETHANE COMPOSITION - A fast drying polyurethane coating composition wherein the reactants comprise (a) a first component comprising one or more polyol compounds having a glass transition temperature of less than or equal to about 25° C., and preferably an Mw of 5000 or less, preferably acrylic or polyester polyols, and (b) a second component, comprising the reaction of a (poly)isocyanate oligomer having an average NCO functionality of greater than 2, for example a biuret with an NCO functionality of 3, with a compound X comprising a substrate portion comprising one or more cycloaliphatic rings, one or more heterocyclic rings, one or more aromatic rings, or a particle of a crosslinked polymer, and functional groups covalently bonded to such substrate portion, for example hydrogenated bisphenol A (HBPA). | 02-26-2009 |
20090076240 | COMPOUNDS HAVING ISOCYANATE FUNCTIONAL GROUP SUBSTITUENTS AND COATING COMPOSITIONS COMPRISED THEREOF - Novel compounds having an average isocyanate functionality of greater than 2 are synthesized by the reaction of a (poly)isocyanate having an average functionality of greater than 2, with a compound X comprising a function B(H) | 03-19-2009 |
20090104452 | POLYISOCYANATE COATING COMPOSITIONS CROSS-LINKABLE INTO ENHANCED ANTI-SHOCK COATINGS - Polyisocyanate coating compositions, the polyisocyanates of which include dimer structural units (patterns) and imino-trimer structural units (patterns), are converted, via cross-linking, into useful such coatings as paints or varnishes having enhanced shock-resistant properties, notably chip-resistant properties for vehicle body parts. | 04-23-2009 |
20090312502 | Method for preparing polyhydroxy-urethanes - The invention relates to a method for preparing polyhydroxy-urethanes without using a compound having an isocyanate function, and from amino compounds and compounds carrying carbonate functions, in particular cyclic carbonate functions. The invention also relates to a method for preparing aqueous or hydro-organic formulations containing polyhydroxy-urethanes, and to the use of said polyhydroxy-urethanes and of said aqueous or hydro-organic formulations. | 12-17-2009 |
20100035003 | COMPOSITIONS POLYMERIZABLE/CROSSLINKABLE BY CATIONIC/RADICAL IRRADIATION - Compositions that can be polymerized and/or crosslinked into coatings by cationic and/or radical irradiation contain at least one photoinitiator and at least one compound having at least one isocyanate function. | 02-11-2010 |
20100137507 | Composition Containing A Modified (Poly) Isocyanate And A Solvent Of The Acetal Or Aliphatic Ketone Type, And Use Of Said Composition For Producing Coatings - The invention relates to a modified (poly)isocyanate composition that contains a modified (poly)isocyanate and at least one solvent. The invention also relates to the use of this composition for preparing coatings such as paints and varnishes. | 06-03-2010 |
20100216966 | SYNTHESIS OF ACYLUREAS AND COMPOSITION COMPRISING ACYLUREAS - The invention relates to a method for the synthesis of a polyisocyanate composition comprising acylureas. According to the invention, an initial composition containing derivatives comprising at least two isocyanate functions is subjected to the action of at least two acids, whereby at least one of said acids is a strong acid (pKa=3) and at least one is a medium strength acid (3=pKa=6), at a temperature that is equal to or greater than 50° C.; the invention is suitable for coatings. | 08-26-2010 |
20100273920 | NOVEL HYDRODISPERSIBLE POLYISOCYANATE COMPOSITIONS - The present invention relates to a composition comprising:
| 10-28-2010 |
20110065957 | SYNTHESIS OF BIURETS AND ISOCYANATES WITH ALKOXYSILANE FUNCTIONS, FORMULATIONS CONTAINING SAME AND USE THEREOF - The invention relates to a composition and a method of preparing one such composition and an isocyanatoalkoxysilane; the polyisocyanate composition contains at least two different oligomeric compounds comprising at least three units and at most five units selected from aminoalkylsilane units and diamine units and at least one function selected from isocyanate functions and from those derived therefrom, the aforementioned compounds having at least two aminoalkylsilane units and another compound having at least two diamine units; the invention is suitable for coatings. | 03-17-2011 |
20110117282 | PROCESS OF OBTAINING A POLYURETHANE COATING COMPOSITION HAVING EXTENDED POT-LIFE - The invention relates to polyurethane coating compositions having a pot-life of at least 8 hours and a de-blocking temperature of 50-100° C. The composition comprises: a) a blocked isocyanate formed by mixing at least one isocyanate functional compound with at least one imidazole and b) at least one polyol. The composition can be used on heat sensitive substrates. Methods of making such a composition are also described. The invention was applications in the coating industry. | 05-19-2011 |
20110282002 | COMPOSITION COMPRISING SILYL DERIVATIVE AS DEHYDRATING AGENT - Disclosed is a compositions comprising isocyanate sub-composition comprising by weight not more than 5% of diisocyanate monomers, a dehydrating agent selected among compounds bearing dihydrocarbylsilyl groups bonded to a metalloid of the chalcogen column or to an atom of the nitrogen column. The invention is applicable to the coatings industry, in particular paints and adhesives. | 11-17-2011 |
20110288230 | METHOD FOR PREPARING POLYHYDROXY-URETHANES - The invention relates to a method for preparing polyhydroxy-urethanes without using a compound having an isocyanate function, and from amino compounds and compounds carrying carbonate functions, in particular cyclic carbonate functions. The invention also relates to a method for preparing aqueous or hydro-organic formulations containing polyhydroxy-urethanes, and to the use of said polyhydroxy-urethanes and of said aqueous or hydro-organic formulations. | 11-24-2011 |
20120016073 | METHOD FOR PREPARING AN ALLOPHANATE, ALLOPHANATE, AND LOW-VISCOSITY COMPOSITION CONTAINING THE ALLOPHANATE - A process for the preparation of an allophanate of one or more identical or different isocyanates, compositions obtained by the process, and uses of the compositions are disclosed. The process comprises reacting an isocyanate with at least one monoalcohol comprising an ether or polyether functional group in the presence of a bismuth-comprising catalyst and a metal compound as co-catalyst. | 01-19-2012 |