Abstract:
Die vorliegende Erfindung betrifft 3-Aminomethyl-1-cyclohexylamin sowie ein Verfahren zu dessen Herstellung durch a) Umsetzung von Cyclohexenon mit Cyanwasserstoff in Gegenwart eines basischen Katalysators, b) durch Umsetzung des in Stufe a) erhaltenen Cyclohexanonnitrils mit Ammoniak in Gegenwart eines Iminbildungskatalysators, und c) Umsetzung des in Stufe b) erhaltenen 3-Cyanocyclohexylimin-haltigen Reaktionsgemisches mit Wasserstoff und Ammoniak an Hydrierkatalysatoren. Die vorliegende Erfindung betrifft weiterhin die Verwendung von 3-Aminomethyl-1-cyclohexylamin als Härter für Epoxyharze, als Zwischenprodukt bei der Herstellung von Diisocyanaten, als Starter bei der Herstellung von Polyetherolen und/oder als Monomer für die Polyamidherstellung.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung von Triethylentetraamin (TETA) umfassend die folgenden Schritte: a) Ethylendiamin (EDA) wird mit Formaldehyd und Blausäure (HCN) umgesetzt, wobei das molare Verhältnis von EDA zu Formaldehyd zu HCN 1 : 1,5 : 1,5 bis 1 : 2 : 2 [mol/mol/mol] beträgt, unter Erhalt von Ethylendiamindiacetonitril (EDDN), b) Hydrierung des in Schritt a) erhaltenen EDDNs in Gegenwart eines Katalysators und eines Lösungsmittels.
Abstract:
Die Erfindung betrifft ein Verfahren zur Herstellung von Ethylendiamindiacetonitril (EDDN), wobei Ethylendiamin (EDA) mit Formaldehyd und Blausäure (HCN) umgesetzt wird, wobei das molare Verhältnis von EDA zu Formaldehyd zu HCN 1 : 1,5 : 1,5 bis 1 : 2 : 2 [mol/mol/mol] beträgt.
Abstract:
Single or multi-nuclear metal complexes [LnMmXp] Y, in which M is manganese in the oxidation number (II, III, IV, V and/or VI), copper in the oxidation number (I and/or II), cobalt in the oxidation number (II and/or III) or zinc in the oxidation number (II), X is a co-ordination or bridge group, Y is a counter-ion in the corresponding stoichiometric quantity for compensating a charge z, in which z may be positive, zero or negative as the charge of the metal complex, n and m are mutually independently whole numbers from 1 to 8, p is a whole number from 0 to 32 and L is certain nitrogen and/or oxygen atoms as co-ordination centres-containing organic molecules as ligands. The metal complexes (I) are suitable as bleaching and oxidation catalysts, especially in washing and cleaning agents and in textile and paper bleaching.
Abstract:
Phenolic derivatives have formulas (I) or (II), in which R stands for C6-C20-alkyl or -alkenyl that may be interrupted by one or several non-adjacent oxygen atoms, or for a group having the formulas: -O-CO-R , -CO-O-R -, -NH-CO-R , -NR -CO-R , -CO-NH-R , -CO-NR -R , -NH-SO2-R , -NR -SO2-R , -SO2-NH-R or -SO2-NR -R , in which R stands for C6-C20-alkyl or alkenyl that may be interrupted by one or several non-adjacent oxygen atoms, and R stands for C1-C4-alkyl; R and R stand for hydrogen or a group having the formula: -CH2-N(CH2COOM)2, in which M stands for hydrogen, an alkaline metal, ammonium or substitued ammonium, whereas at least one of the residues R or R must stand for a group having the formula: -CH2-N(CH2)COOM)2; and R stands for a group having the formulas: -CO-O-R , -CO-NH-R or CO-NR -R . These phenolic derivatives having formulas (I) or (II) are used as alkaline earth and heavy metal ion complexing agents in (a) powdery textile washing compositions; (b) technical detergent compositions for hard surfaces made of metal, plastics, lacquer or glass; (c) alkaline detergent compositions for the beverage and food processing industry; (d) dish-washing compositions; (e) bleaching baths for the paper and cellulose industry; (f) photographic bleaching and bleach-hardening baths; (g) pre-processing, bleaching and dyeing baths in the textile industry; (h) galvanisation baths and (i) fertilisers.
Abstract:
Nickel-plated shaped parts are produced by galvanic precipitation of nickel from aqueous-acid baths which contain as essential constituents one or several nickel salts, one or several inorganic acids and one or several brighteners. As brighteners are used thiourea salts having general formula (I), in which R to R stand for hydrogen, C1 to C18-alkyl, which may be substituted by carboxyl groups, C1 to C4-alkoxycarbonyl groups or cyano groups, C2 to C12-alkenyl, C2 to C12-alkinyl, C5 to C8-cycloalkyl, C7 to C12-phenylalkyl or phenyl, which may be substituted by one or two C1 to C4-alkyl residues, C1 to C4-alkoxy residues, halogen atoms, hydroxyl groups, phenyl groups, phenyl residues or C1 to C4 alkoxycarbonyl groups; Y stands for a chemical bond or for linear or branched alkylene, alkenylene or alkinylene having each up to 20 C atoms; A stands for hydrogen or a group having the formulae: -CO-H, -CO-R , -CO-OH, -CO-OR , -CO-NR R , -CO-CH2-CO-OR , -O-CO-H, -O-CO-R , -NR -CO-R , -NR -CO-R , -OR , -SO2-R , -SO2-OH, -SO2-OR , -PO(PH)2, -PO(OH)(OR ), -PO(OR )2, OPO(OH)2, -OPO(PH)(PR ) or -OPO(OR )2 in which R stands for C1 to C12-alkyl, C2 to C12-alkenyl, C2 to C12-alkinyl, C5 to C8-cycloalkyl, C7 to C12-phenylalkyl or phenyl, which may be substituted by one or two C1 to C4-alkyl residues, halogen atoms, hydroxyl groups, phenyl residues or C1 to C4-alkoxycarbonyl groups; and R and R stand for hydrogen or C1 to C4-alkyl; n is a number from 1 to 4 and X stands for a water solubility-promoting, n-valent inorganic or organic anion.
Abstract:
Granular bleaching activator composition with variously shaped grains containing as the core: A) 30 to 98 wt %, in relation to the total quantity of granular bleaching activator composition, of one or more 4H-3,1-benzo-oxazin-4- one derivatives of general formula (I) in which R is C1 to C4-alkyl, C1 to C4-alkoxy, chloromethyl, methoxy methyl, dimethylamino phenyl, o-, m- or p-tolyl, p-chlorophenyl, m-nitrophenyl, m-methoxy phenyl or m-methyl sulphonyl phenyl and R' is hydrogen, methyl, chloro, nitro, acetoxy or hydroxy, or a mixture of compounds (I) and other usual bleaching activators; and as the casing: B) 2 to 70 wt %, in relation to the total quantity of the granular bleaching activator composition, of one or more additives from the classes of substances: (1) anionic tensides; (3) non-ionic tensides; (3) hybrid ionic tensides; (4) carboxyl-group-containing polymers; (5) polysaccharides; (6) polyalkylene glycols; (7) acid alkaline and alkaline earth metal salts of inorganic acids; (8) aliphatic C8 to C18-monocarboxylic acids, aliphatic di and tricarboxylic acids, aromatic mono and dicarboxylic acids, the aforementioned carboxylic acids possibly also containing hydroxyl and amino groups in the molecule, and aliphatic C3 to C7-monohydroxycarboxylic acids.
Abstract:
Heterocyclic compounds of formula (I), where X stands for O, S or the N-R grouping, in which R stands for hydrogen, C1-C25 alkyl, C1-C25 acyl or an aryl group with up to 12 carbon atoms, Y stands for CH or N, R stands for X = S or N-R , hydrogen, a C1-C25 alkyl or C2-C25 alkenyl group or a phenyl residue which can be additionally substituted by one or two C1-C4 alkyl, C1-C4 alkoxy, hydroxyl, carboxyl, sulpho, amino, C1-C4 acylamino, nitro or cyano groups or chlorine or bromine atoms, whereby for two substituents these may be the same or different, R stands for X = O, phenyl, o-, m- or p-tolyl, p-chlorphenyl, m-nitrophenyl, m-methoxyphenyl or m-methylsulphonylphenyl, R stands for X = S or NR , hydrogen, a C1-C4 alkyl, C1-C4 alkoxy, hydroxyl, carboxyl, sulpho, amino or C1-C4 acylamino group or a chlorine or bromine atom and R stands for X = O or hydrogen, can be used as bleach activators or optical lighteners in washing and cleaning agents.
Abstract:
Verfahren zur Herstellung von Polyisocyanaten durch eine partielle Oligomerisierung von Diisocyanaten in Gegenwart mindestens eines Oligomerisierungskatalysators aus der Gruppe der Ionischen Flüssigkeiten und die Verwendung der so erhältlichen PoIyisocyanate als Polyisocyanatkomponente in Polyurethanlacken.