Abstract: A process for providing isocyanurate modified methyl diphenyl diisocyanate is provided, the process comprises determine the NCO-value of the MDI; define the NCO-value for MDI; define a ratio of the volume of the MDI to be trimerised over volume of the MDI not to be trimerised; determine, in function of this ratio, the NCO-value of the isocyanurate modified MDI to be provided and the NCO-value of the MDI a target NCO-value for the part of MDI to be trimerised; divide the MDI in two part according to the defined ratio; provide a trimerised part of the MDI by trimerising one of these parts until the target NCO-value is obtained; and terminate the trimerisation by killing the trimerisation catalyst and blend the two parts with each other.

Abstract: A method to produce uretonimine-modified isocyanate composition comprises Providing an organic isocyanate composition having two or more isocyanate groups; Reacting, in the presence of a suitable catalyst, said polyisocyanate composition to form uretonimine-modified isocyanate composition comprising carbodiimide groups and uretonimine groups; terminating said reacting by the addition of an amount of oxalic acid mono alkyl ester halide.

Abstract: Foamed material having a density of less than 100 kg/m3 and comprising a matrix material comprising a plurality of urea groups and having a hardblock content of more than 50% (hereinafter called matrix A); and a polymeric material which 1) has no groups which are able to form a urethane, urea or isocyanurate group with an isocyanate group, 2) is interpenetrating said matrix A, and 3) is a polymer having an average molecular weight of more than 500 which polymer comprises at least 50% by weight of oxyethylene groups based on the weight of this polymer (hereinafter called polymeric material B); and wherein the relative amount of all ingredients used to make said matrix A and of said polymeric material B, on a weight basis, ranges from 10:90 to 70:30 and process for making such materials.

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 fiber-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 independent

Abstract: The present invention is concerned with particulate material having a number average particle diameter of 1 ?m-1 cm, exhibiting a solid-solid phase change, as measured by differential scanning calorimetry (DSC), in the temperature range ?10° C. to +100° C. and comprising: a matrix material comprising a plurality of urethane and/or urea and/or isocyanurate groups and having a hardblock content of more than 75% (hereinafter called matrix A); and a polymeric material. Process for making this material and the use of it as.

Abstract: Dye mixtures, comprising at least one red dyeing dye of the formula (1) and at least one blue, yellow, orange or brown dyeing dye from the group of the formulae (2), (3), (4), (5) and (6), wherein B is an aliphatic bridging member, R1, R3 and R8 are each independently of the others hydrogen or C1-C4alkyl, R2, R4, R5, R9, R11, R12, R13, R14, R15 and R16 are each independently of the others hydrogen, C1-C4alkyl, C1-C4alkoxy or sulfo, R6 and R10 are each independently of the other amino or C1-C4alkyl, (R7)j denotes j identical or different substituents selected from the group C2-C4alkanoylamino, ureido, C1-C4alkyl and C1-C4alkoxy, (R17)i denotes i identical or different substituents selected from the group C2-C4alkanoylamino, ureido, sulfo, C1-C4alkyl and C1-C4alkoxy, X1, X2, X3, X4, X5 and X6 are each independently of the others halogen, 3-carboxypyridin-1-yl or 3-carbamoylpyridin-1-yl, Z1, Z2 and Z3 are each independently of the others a fibre-reactive group of the formula —SO2—Y8, (7a) or —NH—CO—(CH2)2-3—SO2—

Abstract: The present invention relates to improvements relating to a rapid prototyping apparatus for the manufacturing of three-dimensional objects by additive treatment of cross-sections. The improvements relates to distances, a protective window, and a collision-preventing detection system.

Abstract: A method to form a urethane material, the method comprises blending and reacting at least one isocyanate, at least one isocyanate reactive compound and a metallized polyhedral oligomeric silsesquioxane to provide said urethane material, the metallized polyhedral oligomeric silsesquioxane is a dimeric structure with general formula wherein M represents a metal providing a 6-coordinated metal center, x and y being 1, R1O and R2O represent an alkoxide bridging the 6-coordinated metal centers, R3OH and R4OH represent an alcohol ligand and each of R5, to R18 is selected from the group consisting of alkyl-, polyether- and polyester ligands.

Abstract: The invention relates to cured (meth)acrylate based adhesive composition, comprising at least two co-continuous phases of interpenetrating networks and at least two types of polymeric inclusions, in which one of the co-continuous phases comprises a polymer or copolymer based on at least one acrylic or methacrylic acid monomer or a derivative thereof. These compositions exhibit better facture toughness, especially at low temperatures.

Abstract: A liquid isocyanate composition is provided. The composition comprises at least one isocyanate component; at least one polyol and/or the adduct of said at least one isocyanate component and at least one polyol; clay nanoparticles. The polyol is an EO-tipped polyol, the NCO/OH ratio being in the range of 1500 to 1.5.

Abstract: Composition obtained by reacting a polyisocyanate which is a diphenylmethane diisocyanate, optionally comprising a homologue comprising 3 or more isocyanate groups, and/or a variant of such diisocyanate with a monoalkylether of a polyoxyalkylene monoamine having an average molecular weight of 550-3000 and an oxyethylene content of more than 50% by weight, calculated on the weight of the monoamine, and the alkyl group having 1-4 carbon atoms at index of 100-250. It is used as plasticizer, particularly in polyurethane and/or polyurea materials.

Abstract: A thermosetting composition comprising (a) at least one phosphorous-free dihydrobenzoxazine component; (b) at least a quaternary ammonium salt and (c) optionally a compound comprising at least an epoxy group is disclosed. Cured products made from these compositions have valuable chemical, physical and mechanical properties.

Abstract: A curable composition comprising a) an epoxy resin containing on average more than one epoxy group per molecule, and b) as curing agent a hybrid hardener, whereby said hardener is a blend of b1) an aminic compound selected from aliphatic, cycloaliphatic, araliphatic amines, imidazoline group-containing amidoamines based on mono- or polybasic acids, adducts of said amines or amidoamines made from glycidyl compounds, adducts of said amines or amidoamines with cyclic carbonates, whereby said aminic compound contains, on average per molecule, at least two reactive hydrogen atoms bound to nitrogen atoms, and b2) a polyphenol novolac, and wherein the polyphenol novolac is used in an amount of from 30% to 45% by weight, based on the total weight of hardener blend comprising b1) and b2), useful for rapid setting and protective coatings and adhesives in application fields like civil engineering, marine, architectural and maintenance.

Abstract: The invention relates to cured (meth)acrylate based adhesive composition, comprising at least two co-continuous phases of interpenetrating networks and at least two types of polymeric inclusions, in which one of the co-continuous phases comprises a polymer or copolymer based on at least one acrylic or methacrylic acid monomer or a derivative thereof. These compositions exhibit better facture toughness, especially at low temperatures.

Abstract: Flexible polyurethane foam having a density of 25-70 kg/m3 and a compression load deflection of 5-15 kPa. Process for making a flexible polyurethane foam and the use as plant growth medium and in green roofs and green walls.

Abstract: The present invention relates to disperse azo dyes based on a phthalimido-substituted aniline coupling component and an aromatic-carbocyclic or an aromatic-heterocyclic diazo component, to a process for the preparation of such dyes and to their use in the dyeing or printing of semi-synthetic and, especially, synthetic hydrophobic fiber materials, more especially textile materials.

Abstract: The present invention relates to a method for recovering N,N,N?-trimethylbisaminoethylether from a mixture with its amide and a method for separating N,N,N?-trimethylbisaminoethylether from mixtures comprising tertiary amines or tertiary aminoalkylether as well as a composition comprising a mixture of N,N,N?-trimethylbisaminoethylether and a transamidation agent.

Abstract: A method for removing methylene-bridged polyphenyl polyamines from an aqueous stream comprising said methylene-bridged polyphenyl polyamines according to the invention comprises the steps of Providing a pertraction equipment comprising a membrane with a first side and a second side opposite to said first side; Bringing an aqueous stream comprising methylene-bridged polyphenyl polyamines into contact with the first side of the membrane and bringing an organic stream into contact with the second side of the membrane, thereby causing the methylene-bridged polyphenyl polyamines to transfer from the aqueous stream through the membrane to the organic stream. The method further comprises, before bringing the aqueous stream and organic stream in contact with the membrane, the step of wetting the membrane with a liquid having a surface tension of less than 40 mN/m.

Abstract: Method of producing an elastic composite material comprising the step of impregnating a fiber fabric with a liquid epoxy system comprising an epoxy resin and a hardener, and curing the impregnated fabric, whereby the epoxy system exhibits a tensile modulus lower than 15 MPa after cure.

Abstract: A composition comprising (a) a homo- or copolymer obtainable by polymerisation of at least one ethylenically un-saturated nitrogen-containing heterocyclic compound and (b) a polyethyleneimine, is suitable for afterclearing a printed or dyed textile material, in particular cotton fibres dyed or printed with reactive dyes.