Patent application number | Description | Published |
20080312361 | Reactive Polyurethane Hot-Melt Formulations, Processes for Preparing the Same, and Uses Therefor - Hot-melt adhesive formulations comprising a polyurethane and a nucleating agent, preferably wherein the polyurethane comprises a reaction product of (a) a diisocyanate component and (b) a polyol component, wherein the diisocyanate component comprises one or more selected from the group consisting of aromatic diisocyanates, aliphatic diisocyanates, araliphatic diisocyanates, cycloaliphatic diisocyanates, and mixtures thereof, and wherein (a) and (b) are present in a ratio such that a molar ratio of NCO to OH is greater than 1; processes for preparing the same; compositions containing such formulations; and uses therefor. | 12-18-2008 |
20080318060 | POLYISOCYANATE MIXTURES, PROCESSES FOR PREPARING THE SAME AND USES THEREFOR - Polyisocyanate mixtures, their preparation by reacting aromatic polyisocyanate mixtures and nitrogen-containing polyetherol mixtures, and their use as an isocyanate component for the preparation of moisture-curing adhesives, said polyisocyanate mixtures comprising: (A) 15 to 35 wt. % of diphenylmethane diisocyanate with 2 aromatic rings; (3) 10 to 30 wt. % of polymeric diphenylmethane diisocyanate with 3 or more aromatic rings; and (C) 40 to 75 wt. % of an isocyanate-functional polyurethane; wherein the polyisocyanate mixture has an isocyanate content of 12 to 20 wt. %, an isocyanate functionality of >2.4, a viscosity of <10,000 mPa·s at 25° C., and a shear rate of 80 l/s. | 12-25-2008 |
20090053949 | LOW-VISCOSITY AQUEOUS ADHESIVE POLYMER DISPERSIONS - The invention relates to low-viscosity, low-monomer aqueous polymer dispersions based on polychloroprene, and a process for the preparation thereof and the use thereof as a contact adhesive. | 02-26-2009 |
20100210748 | REACTIVE POLYURETHANE COMPOSITIONS - The present invention relates to reactive polyurethane compositions having only small amounts of free, low molecular weight diisocyanates before and after crosslinking, and to the production thereof and the use thereof in reactive one- and two-component adhesives/sealants, bonding foams, encapsulating compounds and in flexible, rigid and integral foams. | 08-19-2010 |
20110028582 | HOT MELTS - The present invention relates to reactive preparations, comprising isocyanate-functional polyurethane building blocks, to a method for the production thereof, and to the use thereof as or in adhesives having high initial strength and high mechanical strength. | 02-03-2011 |
20110172321 | HOTMELT VISCOSITY STABILIZER - The invention relates to innovative viscosity stabilizers for hotmelts, to melt-viscosity-stable hotmelts comprising these viscosity stabilizers, to a process for preparing them and to their use. | 07-14-2011 |
20140093652 | PROCESS FOR MULTI-LAYER CONTINUOS ROLL-TO-ROLL COATING - The invention relates to a process for the continuous production of a flexible substrate, preferably a plastics film containing a multi-layer coating in a roll-to-roll coating process, in which at least one vacuum coating process and at least one wet coating process are combined together, and to a device for use in such a process. | 04-03-2014 |
20140364527 | LOW-VISCOSITY REACTIVE POLYURETHANE COMPOUNDS - The present invention relates to a method for the production of low-viscosity polyurethane prepolymers (PUR prepolymers) based on 2,4′-MDI, as well as the use of said polyurethane prepolymers. | 12-11-2014 |