Abstract: The invention relates to a primary amine component corresponding to formula I being (R1R2NR3)2NR4 wherein each of R1 and R2 are chosen from the group consisting of a methyl group, an ethyl group, an iso-propyl group and an n-propyl group; R3 being an alkoxyalkyl group chosen from the group consisting of —CH2CH2OCH2CH2—, —CH2CH2OCH2CH2CH2— and —CH2CH2CH2OCH2CH2CH2—; R4 is chosen from the group consisting of a hydrogen and —CH2CH2CH2NH2, and the use of said primary amine component corresponding to Formula I as a blowing catalyst of a catalyst system in a reaction of at least one polyisocyanate component and at least one isocyanate-reactive component, the catalyst system further comprising at least one gelling catalyst different from said component of formula I.

Abstract: Stable polyisocyanate composition comprising a compound comprising a group having the structure —CO—NH—O— in such an amount that the ratio of the number of —CO—NH—CO— groups to the number of isocyanate groups is at most equal to 1. Curable composition comprising this polyisocyanate composition, lithium halide, urea and an epoxy resin.

Abstract: The present invention relates to azo dyes of formula (1), wherein R1 denotes C1-C12alkyl which is unsubstituted or substituted by one or more C1-C12alkoxy groups, hydroxyl groups, amino groups, cyano groups or halogen atoms and which may be interrupted one or more times by the radical —O—, —S—, —COO— or —OOC—: R4 is hydrogen or C1-C12alkyl; either R2 is cyano and R3 is halogen or R2 is halogen and R3 is cyano; and Ar represents a carbocyclic or heterocyclic aromatic radical, to the process for the preparation thereof, to mixtures containing said dyes and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic fiber materials, more especially textile materials.

Abstract: Provided are processes for dyeing or printing fibre materials using reactive dye mixtures. The reactive dyes mixtures have been found to be suitable for dyeing or printing hydroxyl-group containing fibre materials or nitrogen-containing fibre materials. The dyeings or prints obtained according to such processes exhibit good all around fastness properties.

Abstract: The present invention relates to aqueous inks comprising (A) at least one dye of the formula (1) wherein R1 is C1-C12alkyl, or C2-C12alkyl interrupted by one or more oxygen atoms and/or —COO— groups, and R2, R3, R4 and R5 each independently of the others is hydrogen, C1-C12alkyl, chlorine, bromine, hydroxy or amino; (B) at least one dye of the formula (2) wherein R6 is hydrogen, bromine, chlorine or cyano, R7 is trifluoromethyl, bromine or chlorine, R8 is hydrogen, methyl or acetylamino, R9 and R10 each independently of the other is C1-C4alkyl unsubstituted or substituted by cyano or by acyloxy, one of the C1-C4alkyl radicals R9 and R10 is substituted by cyano or by acyloxy; and (C) at least one dye of the formula (3) wherein R11 is fluoro, trifluoromethyl, trifluoromethoxy, trifluoromethylsulfonyl or cyano, R12 and R13 each independently of the other represent hydrogen, C1-C12alkyl, C1-C12alkoxy, halogen, cyano, nitro, trifluoromethyl or —CO—OR16, wherein R16 is C1-C12alkyl unsubstituted or substituted by on

Abstract: A method to provide polyether polyols comprises the steps of •providing a crude polyether polyol mixture comprising polyether polyol and a base catalyst; •neutralizing said base catalyst; •removing, in a first dehydration step, at least part of the water from the neutralized polyether polyol; •redissolving at least part of the salt crystals obtained by removal of at least part of the water; •removing, in a second dehydration step, at least part of the water from the neutralized polyether polyol mixture, thereby providing salt crystals; •removing the salt crystals from the neutralized polyether polyol, thereby providing the polyether polyol mixture.

Abstract: Reactive dyes of, for example, formula (101) especially suitable for dyeing synthetic polyamide fibre materials and which yield dyeings or prints having good wet-fastness properties, and a process for their preparation.

Abstract: Adhesives, reaction systems, and processes for the production of lignocellulosic composites. The reaction system comprises a multi-component adhesive and a lignocellulosic substrate. The lignocellulosic substrate comprises a plurality of lignocellulosic adherends and is preferably a mass of wood particles. The multi-component adhesive comprises a multi-functional isocyanate, a hydrophilic polyahl, and an organotransition metal catalyst. The multi-component adhesive is characterized by being formulated into at least two mutually reactive chemical component streams. The process comprises the separate application of the mutually reactive chemical component streams of the multi-component adhesive to the lignocellulosic substrate, followed by forming and pressing the adhesive treated substrate under conditions appropriate for curing the adhesive and forming a lignocellulosic composite article.

Abstract: Lignocellulosic composites are made by pressing a mixture of a particulate lignocellulosic material with polymeric MDI, in the presence of a fatty amine ethoxylate anti-masking agent.

Abstract: The present invention relates to a highly durable, water resistant, and water and/or oil repellent outdoor textile fabric. The outdoor textile fabric may be prepared by treating the front surface of the textile fabric with an aqueous treatment composition containing a fluorochemical agent and applying a second treatment composition containing a polyurethane to the back surface of the textile fabric. The outdoor textile fabric may be used in a variety of outdoor applications including automotive and marine applications, as a cover, canopy or banner, in military applications, as an awning, tent, umbrella, or in casual outdoor furniture.

Abstract: Process for making a flexible polyurethane foam by reacting a polyisocyanate and a polyol composition in the presence of water, a reactive amine catalyst and a specific metal salt. The foams have a low level of volatile organic compounds (VOCs) and a desirable combination of mechanical and durability properties.

Abstract: Crystalline foam and process for making it by first creating a crystalline arrangement of gas bubbles in curable composition and allowing this composition to cure subsequently.

Abstract: A wall structure comprising a polyurethane backing is disclosed herein.

Abstract: An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10° C. and 40° C. at 1 atmosphere pressure. Embodiments of rigid foams may have high closed cell content and are particularly well suited for thermal insulation.

Abstract: An embodiment of a closed-cell polymeric rigid foam may be made using a one-shot method and a reaction system that includes a hydrofluoroalkene physical blowing agent and a polyol mixture having an aminic polyol. The hydrofluoroalkene blowing agent has 3 to 5 carbon atoms and a boiling point between 10° C. and 40° C. at 1 atmosphere pressure. Embodiments of rigid foams may have high closed cell content and are particularly well suited for thermal insulation.

Abstract: Process for the production of di- and poly(diamino diphenyl methane) comprising the steps of (a) reacting aniline and formaldehyde in the presence of an acid catalyst to produce a reaction mixture containing di- and polyamines; (b) neutralizing the reaction mixture containing di- and polyamines; (c) separating the neutralized reaction mixture into an organic phase containing di- and polyamines and an aqueous phase; (d) further treating the organic phase separated off in step (c) by (d1) washing with water followed by (d2) separating the washed mixture into an organic phase and an aqueous phase and (d3) further fractionation of the organic phase to produce purified di- and polyamines on the one hand and aniline/water on the other hand; (e) further treating the aqueous phase separated off in step (c) by (e1) washing with aniline followed by (e2) separating the washed mixture into an aqueous phase and an organic phase and (e3) further treatment of the aqueous phase to remove the aniline thereby leaving an efflu

Abstract: Reactive dyes of formula (1) wherein Q1 and Q2 are each independently of the other hydrogen or unsubstituted or substituted C1-C4alkyl, A is the radical of a monoazo, polyazo, metal complex azo, anthraquinone, phthalocyanine, formazan or dioxazine chromophore, X is halogen, 3- or 4-carboxypyridin-1-yl, or 3- or 4-carbamoylpyridin-1-yl, Y is vinyl or a radical —CH2—CH2—U and U is a group removable under alkaline conditions, and q is the number 1 or 2, are suitable for dyeing and printing cellulosic or amide-group-containing fiber materials.

Abstract: Nano-sized polyurea particles or a dispersion of polyurea particles suitable for improving the mechanical properties of a polyurethane material, said particles having at least equivalent diameter dimensions in the nanosize range of 50 nm up to 700 nm, a uniform equivalent diameter particle size distribution, an amount of urethane bonds calculated on the total amount of urea+urethane bonds in said particles of <1%, and a glass transition temperature (Tg) of >100° C., preferably Tg >120° C., more preferably >150° C. measured in a second heating cycle after heating to >220° C. at 20° per minute using Differential Scanning calorimetry.

Abstract: Nanodispersions of inorganic clays in isocyanate may be created via pre-exfoliation, delamination, or both of the clay and subsequent mixing with isocyanate. In an embodiment, such an isocyanate nanodispersion is reacted with an isocyanate-reactive material or substrate to form a polyurethane nanocomposite.

Abstract: The present invention relates to a formulation comprising at least one thermoplastic polyurethane polymer and a flame retardant composition, the flame retardant composition comprising i) at least one metal or metalloid oxide particle selected from magnesium oxide, magnesium hydroxide, silicon oxide, or aluminium oxide; ii) at least one phosphate component selected from the group comprising ammonium polyphosphate (APP), melamine phosphate, melamine pyrophosphate and melamine polyphosphate or mixture thereof, and iii) at least one oligomeric phosphate ester.