摘要:
The invention relates to new antimicrobial compositions comprising a combination of - at least one organic and / or inorganic peroxide, - at least one silver source, and - at least one specific nitrogen containing compound selected from N-methylated aminoacids, N-methylated aminoalcohols, N-methylated amine oxides, N-methylated amidines and poly amino hydrocarbon compounds, or - at least one non glucogenic compatible solute.
摘要:
An antimicrobial composition includes an effective amount of a biocide, and a biocide enhancer consisting of one or more compounds according to formula (I) and one or more compounds according to formula (II): R1-NH-CH2CHR3OH (I) R2-NH(CH2CHR4OH)2 (II) wherein R1 and R2 are each individually selected from the group consisting of branched and linear C4 to C16 alkyl groups and wherein R3 and R4 are each individually H or methyl. Compositions incorporating these antimicrobial formulations may include treated fluids, for example organic fluids or mixtures of organic fluids and aqueous fluids. Such treated compositions may be used for metalworking or for any of a number of other applications.
摘要:
A process for the preparation of N-(dialkylaminoalkyl)-carbamic acid esters, in particular (propyl N-[3-(dimethylamino)propyl] carbamate) comprising an oxidative carbonylation reaction of a compound of general structure (II) wherein each of R 1 and R 2 , equal to or different from each other, are independently selected from an alkyl group having 1 to 10 carbon atoms, which is optionally substituted by at least one halogen atom, an aryl group or an aralkyl group; R 3 is selected from an alkyl group having 1 to 36 carbon atoms, which is optionally substituted by at least one halogen atom, an aryl group or an aralkyl group; each of R', R" and R 4 , equal to or different from each other, are independently selected from H, an alkyl group having 1 to 10 carbon atoms, which is optionally substituted by at least one halogen atom, an aryl group or an aralkyl group; and n is an integer in the range from 1 to 8, with a hydroxyl compound of general formula (III), R 3 -OH (III) and in the presence of a catalyst system.
摘要:
Disclosed is a process for performing a reductive amination of a first functional group in an organic feed substrate, which feed substrate comprises at least one further functional group containing a halogen atom, in the presence of hydrogen, a nitrogen-containing compound, and a catalyst, wherein the presence of the nitrogen-containing compound, expressed in a molar ratio relative to the first functional group in the organic feed substrate, at least during the reaction as long as the conversion of the organic feed substrate has not yet reached 80%, is maintained below a level of 1.3. Further disclosed is a composition of the invention comprising at least 98.0% wt of 2-chloro-benzyl-dimethylamine, at most 0.60% wt of the meso-o-Cl-BDMA dimer and at least 1 ppm wt of the (+/−)-o-Cl-BDMA dimer and any use therefor.
摘要:
Disclosed is a process for deacidising a non-aqueous feed comprising one of H2S, CO2, COS, CS2, disulphides and/or mercaptans, comprising a. an absorption step contacting the feed in countercurrent with an aqueous absorbent solution, forming a product reduced in the acid compounds and a liquid absorbent solution enriched with acid compounds, b. a regeneration step treating the enriched solution from step a) to release acid compound, thereby forming a lean absorbent solution and a stream containing the acid compound, and c. recycling at least part of the lean solution from step b) to step a), characterised in that step a) is performed at a pressure of at least 5.0 bar gauge, and the absorbent solution comprises an absorbent selected from Ν,Ν,Ν'-trimethyl-N'-(hydroxyethyl)-1,3-propanediamine, N-(3-aminopropyl)-N-(dimethyl-amino)propyl-N',N'-dimethyl-1,3-propanediamine, and a mixture of methyl diethanol amine with tris(N,N,-dimethylamino propylamine in a weight ratio in the range of 25:75 to 95:5, and mixtures thereof.
摘要:
Two alternative methods for producing at least one N-substituted acyclic ethylene diamine are provided: Method A according to the invention comprises: - reacting at least one reducing sugar, hydrogen and at least one primary amine NH 2 R or at least one secondary amine NHR'R" or a mixture of at least one primary amine NH 2 R and at least one secondary amine NHR'R" - in the presence of a supported hydrogenation catalyst - at a reaction temperature of 50°C to 200 °C, and - at a reaction pressure being superatmospheric pressure, and wherein - the molar ratio of the at least one primary amine and/or secondary amine : reducing sugar is at least 4:1. Method B according to the invention comprises the steps: 1. reacting at least one reducing sugar and at least one primary amine NH 2 R or at least one secondary amine NH 2 R'R" or a mixture of at least one primary amine NH 2 R and at least one secondary amine NHR'R" in a first step, and 2. reacting the reaction mixture obtained in step 1) with hydrogen in the presence of a supported hydrogenation catalyst in a second step.
摘要:
Disclosed is a process for deacidising a non-aqueous feed comprising one of H2S, CO2, COS, CS2, disulphides and/or mercaptans, comprising a. an absorption step contacting the feed in countercurrent with an aqueous absorbent solution, forming a product reduced in the acid compounds and a liquid absorbent solution enriched with acid compounds, b. a regeneration step treating the enriched solution from step a) to release acid compound, thereby forming a lean absorbent solution and a stream containing the acid compound, and c. recycling at least part of the lean solution from step b) to step a), characterised in that step a) is performed at a pressure of at least 5.0 bar gauge, and the absorbent solution comprises an absorbent selected from Ν,Ν,Ν'-trimethyl-N'-(hydroxyethyl)-1,3-propanediamine, N-(3-aminopropyl)-N-(dimethyl-amino)propyl-N',N'-dimethyl-1,3-propanediamine, and a mixture of methyl diethanol amine with tris(N,N,-dimethylamino propylamine in a weight ratio in the range of 25:75 to 95:5, and mixtures thereof.
摘要:
Disclosed are a granule and a granulate containing metam and/or an oxidized form of metam capable of generating methyl isothiocyanate, wherein the granule has a diameter of 200 to 10,000 µm, and contains the active ingredient in a concentration of at least 75% when the active ingredient is metam and at least 50% when the active ingredient is the oxidized form of metam, and whereby the envelope volume of the granule represents at least 60.0% of the volume occupied by a sphere having as diameter the particle diameter of the granule.