Abstract: Curable, aqueous epoxy resin composition, comprising a) an epoxy compound, b) an aminic curing agent which is an aqueous solution of a product from the reaction between i) an adduct between a polyamine and a liquid glycidyl ether which is not a glycidyl ether of a polyalkylene glycol, and ii) an epoxidized polyalkylene glycol, and c) from 0.5 to 15 wt.-%, based on the sum of the components b) and c), of a compound of the general formula (I) whereby R1=—H or —C4H9, and x=1, 2, 3 or 4, providing due to the presence of component c) an adjustable and recognizable end of pot life during application, for example coating, adhesive, as flooring, casting, tooling or encapsulating.

Abstract: Polyisocyanate composition comprising a polyisocyanate, a lithium halide and a urea compound, wherein the number of moles of lithium halide per isocyanate equivalent ranges of from 0.0001-0.04 and the number of urea+biuret equivalents per isocyanate equivalent of from 0.0001-0.4. Process for making such composition. Curable composition comprising this polyisocyanate composition and an epoxy resin. Polyisocyanurate made from this curable composition.

Abstract: The present invention provides a high actives liquid nonionic surfactant concentrate that includes a fatty alcohol alkoxylate having an alkylene oxide content of about 10-100 moles and at least one other nonionic surfactant alkoxylate having an alkylene oxide content of about 4-12 moles. The liquid surfactant concentrate may be utilized in a variety of applications, such as emulsion polymerization or in the formulation of agrochemical compositions.

Abstract: Disclosed is a curable composition comprising an epoxy resin and a filler composition, a cured product obtained by curing said curable composition as well as the use of the cured products as electrically insulating construction material for electrical or electronic components.

Abstract: The present invention relates to dyes of formula wherein D, R1, R2, R3, R4 and n are defined as in the claims, to the process for the preparation thereof and to the use thereof in dyeing or printing semi-synthetic and especially synthetic hydrophobic textile materials, more especially textile materials.

Abstract: Dye mixtures, comprising at least one dye of formula and at least one dye from the group of formulae wherein the substituents are defined in the specification.

Abstract: A stereolithography apparatus and an exposure system for a stereolithography apparatus, wherein light emitting diodes are used as light sources. The invention relates to aligning light from the light emitting diode and to the exchange and control the light emitting diodes.

Abstract: A method for bleach-whitening of synthetic textile material is provided comprising contacting said textile material with (a) an enzymatic textile bleaching composition comprising (i) a perhydrolase enzyme, (ii) an ester substrate for said perhydrolase enzyme, (iii) a hydrogen peroxide source, (iv) a surfactant and/or an emulsifier, (v) a peroxide stabilizer, (vi) a sequestering agent, (vii) a buffer which maintains a pH of about 6 to about 8, and (b) at least one fluorescent whitening agent, and, optionally, (c) at least one acid or disperse shading dye for shaded variations of white, for a length of time and under conditions suitable to permit measurable whitening of the textile material, thereby producing a bleached-whitened textile material.

Abstract: The present invention provides a clear, low viscosity photocurable composition including (i) a cationically curable compound (ii) an acrylate-containing compound (iii) a polyol-containing mixture (iv) a cationic photoinitiator and (v) a free radical photoinitiator. The photocurable composition can be cured using rapid prototyping techniques to form opaque-white three-dimensional articles having ABS-like properties.

Abstract: Reactive dyes of formula wherein R1 and R2 independently of one another are hydrogen or unsubstituted or substituted C1-C4alkyl, D is a radical of a diazo component of the formula X1 and X2 independently of one another are halogen, T is a fiber-reactive radical of the formula (R3)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group, Hal is halogen, n is the number 0, 1 or 2, and m and q are independently of one another the number 0 or 1, are suitable for dyeing cellulosic or amide-group-containing fiber materials.

Abstract: Process for the preparation of foamed thermoplastic polyurethanes characterised in that the foaming of the thermoplastic polyurethane is carried out in the presence of thermally expandable microspheres.

Abstract: Reactive dyes of formula wherein R1 is hydrogen or unsubstituted or substituted C1-C4alkyl, (R2)s denotes s identical or different substituents from the group halogen, nitro, unsubstituted or halo-substituted C1-C4alkyl, C2-C4alkanoylamino, C1-C4alkylsulfonyl, carbamoyl, sulfamoyl and sulfo, Me is chromium, cobalt or iron, E is a bivalent radical of formula wherein X denotes chlorine or fluorine, T is a fibre-reactive radical of formula —NH—(CH2)2-3—SO2—Z??(2a), —NH—(CH2)2-3—O—(CH2)2-3—SO2—Z??(2b), (R3)0-2 denotes from 0 to 2 identical or different substituents from the group halogen, C1-C4alkyl, C1-C4alkoxy and sulfo, Z is vinyl or a —CH2—CH2—U radical and U is a group that is removable under alkaline conditions, Q is a —CH(Hal)-CH2-Hal or —C(Hal)=CH2 group, s is the number 0, 1, 2 or 3, q is the number 0 or 1, A denotes a bivalent radical of formula wherein R1, R2, X, T, m, n, q and s are as defined above, R4 and R7 denote hydrogen or C1-C4alkyl, R5 and R6 represent, each independ

Abstract: A masterbatch composition, a method for the preparation of a masterbatch composition, a method for the preparation of a powder coating composition, a powder coating composition obtainable by said method as well as the use of a masterbatch composition for a powder coating composition or for increasing the opacity of a cured powder coating is disclosed.

Abstract: A process for providing methylene-bridged polyphenyl polyamines from aniline and formaldehyde according to the invention comprises the subsequent steps of a) condensing aniline and formaldehyde, providing a condensate, the molar ratio of aniline to formaldehyde being chosen in the range of 2 to 3.5; b) reacting, in a first catalytic reaction step, at a reaction temperature within the range of about 30° C. to about 100° C., said condensate over a solid catalyst being chosen from the group consisting of clays, silicates, silica-aluminas and ion exchange resins, whereby an intermediate mixture is provided, the intermediate mixture comprising amino benzyl amines; c) converting, in a subsequent catalytic reaction step, at a temperature within the range of about 70° C. to about 250° C.

Abstract: The instant invention relates to highly filled epoxy resin compositions suitable as casting resins without the need of an extended curing step, to a casting process using said compositions and use of said compositions in a casting process not needing an extended curing step.

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) neutralising the reaction mixture containing di- and polyamines; (c) separating the neutralised 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: Isocyanurate-reactive mixture obtained by reacting an anhydride and a polyol; process for making it; polyisocyanate composition comprising this mixture; binder composition comprising such a polyisocyanate composition; the use of such a polyisocyanate composition and/or binder composition for making a polyisocyanurate and such polyisocyanurates.

Abstract: The present invention relates to a process for manufacturing isocyanates from an amine compound. The process comprises the steps of a) Providing chlorine; b) Providing carbon monoxide; c) Reacting said chlorine and said carbon monoxide for providing phosgene, the carbon monoxide being provided in an adjustable molar excess; d) Providing an amine compound and phosgenating said amine compound using said phosgene thereby providing said isocyanate; the process further comprises adjusting said adjustable molar excess, i.e. the molar excess of carbon monoxide, for adjusting the colour of the isocyanate.

Abstract: Process for the simultaneous and continuous production of two different mixtures of predominantly 4,4?-MDI and 2,4?-MDI in a single-step suspension melt crystallisation process whereby a mixed diisocyanate feed stream [MIx] is used to produce simultaneously two mixed diisocyanate streams [MIy and MIz] wherein x=80 to 92, y=97 to 99 and z=60 to 80 preferably x=82 to 88, y=97.2 to 98.5 and z=63 to 70 where x, y and z are percentages by weight of the 4,4?-MDI isomer contained in the diisocyanate isomer mixture.

Abstract: Polyisocyanate composition for binding lignocellulosic materials comprising a methylene bridged polyphenyl polyisocyanate composition having a having a relative content of minor trifunctional isocyanate isomers of at least 17 wt % based on the total trifunctional isocyanate content.