ОМЕГА-ГИДРОФТОРАЛКИЛОВЫЕ ЭФИРЫ, СПОСОБ ИХ ПОЛУЧЕНИЯ, ИСХОДНЫЕ КАРБОНОВЫЕ КИСЛОТЫ И ИХ ПРОИЗВОДНЫЕ И СПОСОБЫ С ИСПОЛЬЗОВАНИЕМ ЭФИРОВ (ВАРИАНТЫ)

Изобретение относится к новым жидким в нормальных условиях омега-гидрофторалкиловым эфирам, которые обладают свойствами поверхностно-активных веществ и могут быть использованы для вытеснения воды с поверхности, в композициях для удаления загрязнителя с изделия, в композициях для пожаротушения, для изготовления пенопласта, при пайке в паровой фазе. Эфиры соответствуют общей формуле I F-Rf-O(Rf'-O)nRf''-H, где Н - атом водорода в концевой группе СF3, Rf, Rf' и Rf'' - независимо выбраны из группы, состоящей из линейных незамещенных или замещенных перфторалкилом перфторалкиленовых групп, причем Rf имеет 4-9 атомов углерода в цепи, Rf' имеет 1-6 атомов углерода в цепи, Rf'' имеет 2-6 атомов углерода в цепи, n - целое число от 0 до 7, или при n, равном 0, Rf означает перфторциклоалкилзамещенную перфторалкиленовую группу с 6-10 атомами углерода, в которой один или более атомов углерода в Rf могут быть замещены атомами кислорода, Rf', Rf'' независимо выбраны из группы линейных незамещенных перфторалкиленовых ...

СПОСОБ ПОЛУЧЕНИЯ ДИИЗОЦИАНАТОВ В ГАЗОВОЙ ФАЗЕ

Изобретение относится к способу получения диизоцианатов общей формулы R(NCO)n, в которой R означает (цикло)алифатический углеводородный радикал, содержащий до 15 атомов углерода, предпочтительно, от 4 до 13 атомов углерода, при условии, что между двумя изоцианатными группами NCO находится, по меньшей мере, два атома углерода, а n означает число 2, фосгенированием соответствующих аминов общей формулы R(NH2)n, в которой R имеет вышеуказанное значение, в газовой фазе в трубчатом реакторе с подачей в него предварительно нагретых фосгена и аминов. При этом для фосгенирования используют трубчатый реактор, содержащий центрично расширяющуюся в направлении оси вращения трубчатого реактора двухстенную направляющую трубу, причем между внутренней и внешней стенками двухстенной направляющей трубы образован концентрический кольцевой зазор, а отношение площади поперечного сечения трубчатого реактора, ограниченной внутренней стенкой двухстенной направляющей трубы, к площади поперечного сечения трубчатого ...

Способ получения алкилизоцианатов

Изобретение относится к способу получения алкилизоцианатов общей формулы I, где R - алкильные группы нормального, разветвленного или циклического строения с числом атомов углерода от 1 до 8. Способ заключается в том, что в насадочной колонне при непрерывной подаче соответствующего O-(2-гидроксиэтил)карбамата и инертного газа-носителя в верхнюю часть колонны осуществляют термолиз при 200-450°C с последующей фракционной конденсацией полученных целевого и побочного продуктов. Предлагаемый способ позволяет получать алкилизоцианаты общей формулы I с высоким выходом. 1 ил., 9 пр.

Способ получения альфа-хлоралкилизоцианатов

1-MONOHALOGENIERTE ISOCYANATE UND VERFAHREN ZUR HERSTELLUNG VON GEMISCHEN VON 1-MONOHALOGENIERTEN ISOCYANATEN UND 1,2-UNGESAETTIGTEN ISOCYANATEN

NEUE ARYLOXYALKYLISOCYANATE UND VERFAHREN ZU IHRER VERWENDUNG

VERFAHREN ZUR HERSTELLUNG VON ISOCYANATEN

FUNGICIDES

ALPHA EPSILON ALKANE DIISOCYANATES AND THEIR USE IN POLYURETHANE PRODUCTION

Process for preparing organic isocyanates

An organic a -isocyanato alkyl, aralkyl, aralkenyl or cyclic aliphatic ether is obtained by reacting an a -halogeno-alkyl (-aralkyl, -aralkenyl or -cyclic aliphatic ether with an alkali metal, ammonium, or alkaline earth metal cyanate at 0 DEG to 200 DEG C. in a solvent mixture composed of 0.01 to 80 volume per cent of a strongly polar solvent as defined below and 99.99 to 20 volume per cent of an aliphatic, cycloaliphatic, araliphatic or aromatic hydrocarbon. The term "strongly polar solvent" refers to a solvent which has a dielectric constant greater than 15 and which does not contain Zerewitinoff-type active hydrogen, e.g. a tertiary amide, carboxylic acid nitrile or a dialkyl dicycloalkyl, aralkyl or diaryl sulphone and several such solvents are specified. Other strongly polar solvents specified are nitroethane, nitropropane, nitrobenzene, nitrotoluene, acetone and acetophenone. The hydrocarbon present in the solvent may be e.g. toluene, benzene, xylene, mesitylene, diethyl benzene, ...

Alkylamine derivatives as antifouling agents.

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

VERFAHREN ZUR HERSTELLUNG VON ALIPHATISCHEN ISOCYANATEN

ISOCYANATE CONNECTION CONTAINING A ETHYLENISCH INSATIATED GROUP AND PROCEDURE FOR THEIR PRODUCTION, AS WELL AS A REACTIVE MONOMER, REACTIVE (METH) ACRYLATE POLYMER AND USE OF IT

PROCEDURE FOR THE PRODUCTION OF HIGHLY PURE ONE (METH) ACRYLOYLOXYALKYLISOCYANAT

VERFAHREN ZUR HERSTELLUNG VON ISOCYANSAEUREESTERN

VERFAHREN ZUR HERSTELLUNG VON ORGANISCHEN MONO- UND POLYISOCYANATEN DURCH TERMISCHE ZERSETZUNG EINES TRISUBSTITUIERTEN HARNSTOFFES

VERFAHREN ZUR HERSTELLUNG VON ISOCYANATEN DURCH ZERSETZUNG VON N,N,N'-TRISUBSTITUIERTEN HARNSTOFFEN

PROCEDURE FOR THE PRODUCTION OF ISO CYANIC ACID ESTERS

INSATIATED ESTER ISOCYANATES, A PROCEDURE FOR YOUR PRODUCTION AND YOUR USE WITH THE PRODUCTION OF OLEFINISCH INSATIATED ONE OLIGOURETHANEN.

Health mattress

POLYOXYALKYLENÄTHERDERIVATE OF CARBONIC ACID SALTS AND - ESTERS.

CARBOXY, CARBALKOXY AND CARBAMYL SUBSTITUTED ISONITRIL RADIONUKLEID COMPLEXES.

PROCEDURE FOR THE PRODUCTION OF ALPHA, BETA DIHALOGENALKYLISOCYANATEN.

Procedure for the production of β-Halogenalkyl-isocyanaten

TO MANUFACTURE METHOD FOR THE USE OF ISOCYANATE CONNECTIONS AROUND MULTILEVEL CASCADE POLYMERS

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

PROCEDURE FOR THE PRODUCTION OF DIISOCYANATEN AND/OR TRI ISOCYANATES

METHOD FOR PRODUCTION OF ISOCYANATES

ORGANIC MONO- AND POLY-ISOCYANATES

PROCESS FOR THE PREPARATION OF ISOCYANATES

ALPHA,BETA-DIHALOALKYL ISOCYANATES

PEPTIDYLHETEROCYCLES

PROCESS FOR THE PREPARATION OF POLYMERIC TERTIARY ARALKYL ISOCYANATES FROM 1,3- OR 1,4- BIS (1-CHLORO- METHYLETHYL) BENZENE

ALIPHATIC TRIISOCYANATE, A METHOD FOR PRODUCING THE SAME AND A POLYURETHANE COATING COMPOSITION PREPARED THEREFROM

There is provided a novel aliphatic triisocyanate, 1,6,11-undecanetriisocyanate having the formula, and a method for production of the same. The novel triisocyanate is produced by reacting 1.6,11-undecanetriamine or its salts with phosgene. A non-yellowing polyurethane prepared therefrom provide an excellent coating composition.

PROCESS FOR THE PREPARATION OF ISOCYANATE DERIVATIVES OF ALIPHATIC, CYCLOALIPHATIC, AND ARALIPHATIC COMPOUNDS

GW 31835 PROCESS FOR THE PREPARATION OF ISOCYANATE DERIVATIVES OF ALIPHATIC, CYCLOALIPHATIC AND ARALIPHATIC COMPOUNDS A process for the preparation of derivatives of aliphatic, cycloaliphatic, and araliphatic compounds containing from 1 to 3 isocyanate groups bonded to from 1 to 3 secondary or tertiary carbon atoms, or a combination thereof, is disclosed. The process comprises reacting a compound of the formula R.- (CO - NHCl)n, wherein R represents an aliphatic, cycloaliphatic, or araliphatic radical, with a tertiary amine having a PKa greater than 7, at a temperature from about 20 to about 180.degree.C, in an inert solvent, to form a compound of the formula R - (N = C = 0)n, wherein the isocyanate groups are bonded to secondary or tertiary carbon atoms.

PROCESS FOR THE PRODUCTION OF ISOCYANATES

Mo-3041 LeA 25,206 PROCESS FOR THE PRODUCTION OF ISOCYANATES The present invention is directed to a process for the production of a mono- and/or polyisocyanate by the phosgenation of a mono- and/or polyamine in a mixer which comprises a) a casing having at least two inlets and at least one outlet, b) a rotatable shaft extending through the casing, c) at least one rotor disc attached to the shaft such that the rotor disc is perpendicular to the shaft, d) at least one stator disc attached to the casing such that the stator disc is parallel to the rotor disc and has n opening such that the shaft can pass through the stator disc, e) optionally at least one running wheel attached to the shaft and containing openings such that when the shaft is rotating the running wheel provides a pumping effect to the reaction mixture passing through the mixer, f) at least one inlet through the casing for introducing a phosgene solution axially to the shaft and against the rotor disc, g) at least one inlet ...

CONTINUOUS PROCESS FOR THE PRODUCTION OF ORGANIC ISOCYANATES

A CONTINUOUS PROCESS FOR THE PRODUCTION OF ORGANIC ISOCYANATES Organic mono- or poly-isocyanates are produced on a continuous basis by phosgenating the corresponding amines. A solution of the amine to be phosgenated is continuously sprayed through a smooth-jet nozzle into a solution of phosgene continuously flowing through a mixing chamber. The mixing chamber is maintained at a temperature of 120 to 300.degree.C and a pressure of from 10 to 1000 bars. The molar ratio of phosgene to primary amino groups is generally from 2:1 to 30:1.

MANUFACTURE OF DIISOCYANATES

MANUFACTURE OF DIISOCYANATES A process for production of tertiary aralkyl isocyanates by reaction at low temperatures of the corresponding halides with an excess of isocyanic acid. Manufacture of TMXDI is specifically contemplated.

RECOVERY OF SOLVENTS EMPLOYED IN THE UCTION OF ISOCYANATES FROM ESTERS OF AMIC ACIDS (URETHANES)

METHOD FOR PREPARING HALOSILYL CARBAMATES AND ISOCYANATES DERIVED THEREFROM

PROCESS FOR PRODUCING ORGANIC POLYISOCYANATE HAVING GOOD STABILITY ON LONG STORAGE

OLEFINICALLY UNSATURATED ISOCYANATES, A METHOD FOR THEIR PRODUCTION AND THEIR USE IN ONE-COMPONENT COATING COMPOSITIONS

OLEFINICALLY UNSATURATED ISOCYANATES, A METHOD FOR THEIR PRODUCTION AND THEIR USE IN ONE-COMPONENT COATING COMPOSITIONS A process for the production of olefinically unsaturated isocyanates by reacting a1) isophorone diisocyanate or mixtures of isophorone diisocyanate with a2) other organic polyisocyanates with b1.1) olefinically unsaturated carboxylic acids or mixtures thereof with b1.2) other monobasic or polybasic carboxylic acids, b2.1) olefinically unsaturated alcohols and/or b2.2) other monohydric or polyhydric alcohols, the unsaturated resulting isocyanates and their use as binders for onecomponent coating compositions which may be cured at room temperature.

PROCESS FOR PREPARING ISOCYANATES

Multistep, Continuous Preparation of Organic Polyisocyanates

STABILIZED BLOCKED ISOCYANATES AND THEIR USE IN POLYURETHANESTOVING LACQUERS

The present invention relates to (cyclo)aliphatic polyisocyanates which have a content of blocked and unblocked isocyanate groups (calculated as NCO) of 5 to 25 wt.%, in which at least 95% of the isocyanate groups are present in a form blocked with blocking agents, and which also contain 0.1 to 5.0 wt.% of amines having a structural unit corresponding to formula (I) (see fig. I) The present invention also relates to the use of the blocked polyisocyanates according to the invention as crosslinking agents for organic polyhydroxyl compounds in 1C-PUR stoving lacquers, especially for automotive clearcoats and coil coating lacquers.

METHOD OF UTILIZING ISOCYANATE LINKAGES FOR FORMING MULTI-TIER CASCADE POLYMERS

A method of synthesizing multi-tier cascade polymers and the polymers made thereby are formed by reacting at least one tier of a polymer with a functionalized isocyanate having the following formula: O = C = N - C(CH2-R)3 with R being selected from the group including: a) - (CH2)n - CH2 - COOR' with R' being selected from the group consisting of alkyl, cycloalkyl, aryl, heteroaryl-polycycloalkyl, adamantyl, n = 0-10; - O - (CH2)n - CH2 - COOR'; b) - O - (CH2)n - CH2 - CN with R' being selected from the group consisting of alkyl (C-1 to C-20), cycloalkyl (C-3 to C-10), aryl heteroaryl, polycycloalkyl, adamantyl, n = 0-10; and c) - CH2 - (CH2)n - O - R'' with n = 0-10, R'' being selected from the group consisting of alkyl, cycloalkyl, aryl heteroaryl ester functionality, and a sulphur or a silicon atom bearing substituents selected from the group including: (I), (II), -SO2-R''', - SiR3 -CH2 - CH2 - CN, -CH2 - CH2 - COOR''' wherein R''' is alkyl (C-1 to C-20), cycloalkyl (C3-C-10), aryl, heteroaryl ...

Verfahren zur Herstellung einer Polyvinylverbindung.

Verfahren zur Herstellung einer Polyvinylverbindung.

Verfahren zur Herstellung von Schutzschichten auf der Oberfläche von Magnesiumlegierungen.

Verfahren zur Herstellung von Isocyansäure-n-butylester.

Verfahren zur Herstellung von Isocyansäure-n-propylester.

Verfahren zur Herstellung von Isocyansäure-i-hexylester.

Verfahren zur Herstellung von Isocyansäure-i-amylester.

Verfahren zur Herstellung von Isocyansäureäthylester.

Verfahren zur Herstellung von Isocyansäuremethylester.

Verfahren zur Herstellung von organischen Isocyanatverbindungen

Verfahren zur Herstellung von Diisocyanaten mit verbesserter Farbe und Farbbeständigkeit

Verfahren zur kontinuierlichen Herstellung von Alkalisalzen der Nitrilotriessigsäure

Verfahren zur Herstellung von Mono- oder Polyisocyanaten

Verfahren zur Herstellung von 2-Chloralkyl-isocyaniddichloriden

Verfahren zur Herstellung von B-Halogen-isocyanaten

VERFAHREN ZUR HERSTELLUNG VON (ALPHA)-VERZWEIGTEN ISOCYANATEN MIT FUNKTIONELLEN GRUPPEN.

Verfahren zur Herstellung von Polyurethanen

Verfahren zur Herstellung von Trifluormethylisocyanat

Procédé de préparation de polyisocyanates

Verfahren zur Herstellung von Alkenyl- und Cycloalkenylisocyanaten

Verfahren zur Herstellung von B-Halogenisocyanaten

Optically active beta-bromoalkyl isocyana

The process involves treatment of (I): with an olefin and/or acetylene and, if necessary, using a solvent inert towards the isocyanate gp. at 30 to 250 degrees in the presence of free-radical catalysts. Using the pure enantiomers of I, in which at least R1 and R2 are different, optically active beta-halogeno-alkylisocyantes; XCR3R4CR1R2N=C=O, are formed (where X = Cl or Br; R1, R2, R3, R4 = H-atoms, satd. or unsatd. aliphatic, cycloaliphatic, aromatic or heterocyclic gps. with up to 22C atoms opt. substd. with halogen, carboxy, nitrile, nitro, alkoxy and/or arylalkoxy gps; R1 may also be COOR where R = aliphatic, cycloaliphatic or araliphatic gps.) ...

PROCEDE DE PREPARATION D' iSOCYANATE.

[...] DE [...] D' iSOCYANATE[...] ET [...].

PROCEDURE FOR THE PRODUCTION OF MONO ISOCYANATES.

Process for preparing alkyl isocyanates

PROCEDURE FOR THE PRODUCTION OF ALIPHATIC MONO ISOCYANATES.

PROCEDURE FOR THE PRODUCTION OF AN ORGANIC POLYISOCYANATE.