Microscapsule powder

Aqueous fungicidal composition and use thereof for combating harmful micro organisms

Perfume polymeric particles

Microscapsule powder

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

The invention relates to aqueous insecticidal compositions embodied in the form of an aqueous polymer fine particle dispersion containing at least one type of organic insecticidal active substance whose water solubility is equal to or less than 5 g/l at 25 °C/1013 mbar and a polymer particle average size, determined by dynamic light scattering, is equal to or less than 300 nm, wherein the polymer particles containing at least one insecticidal active substance exhibit a cationic surface charge and the aqueous dispersion of active substance containing polymer particles is obtained by radical aqueous emulsion polymerisation of an ethylenically unsaturated monomer composition M, in which said ethelenycally unsaturated monomer M contains at least one type of insecticidal active substance in a dissolved form. The use of the inventive aqueous insecticidal compositions for protecting lignocellulose-containing materials, in particular wood, against infest pest attacks is also disclosed.

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

The invention relates to aqueous insecticidal compositions embodied in the form of an aqueous polymer fine particle dispersion containing at least one type of organic insecticidal active substance whose water solubility is equal to or less than 5 g/l at 25 DEG C/1013 mbar and a polymer particle average size, determined by dynamic light scattering, is equal to or less than 300 nm, wherein the polymer particles containing at least one insecticidal active substance exhibit a cationic surface charge and the aqueous dispersion of active substance containing polymer particles is obtained by radical aqueous emulsion polymerisation of an ethylenically unsaturated monomer composition M, in which said ethelenycally unsaturated monomer M contains at least one type of insecticidal active substance in a dissolved form. The use of the inventive aqueous insecticidal compositions for protecting lignocellulose-containing materials, in particular wood, against infest pest attacks is also disclosed.

Microscapsule powder

PERFUME POLYMERIC PARTICLES

Aqueous fungicidal composition and use thereof for combating harmful micro organisms

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

AQUEOUS FUNGICIDAL COMPOSITION AND USE THEREOF FOR COMBATING HARMFUL MICRO ORGANISMS

Microscapsule powder

The invention relates to a microcapsule powder comprising latent heat storage material as the capsule core and a capsule wall made from between 10 and 100 wt. % of one or more C<1>-C<24> alkyl esters of acrylic acid and/or methacrylic acid (monomers I) , between 0 and 80 wt. % of a bivalent or polyvalent monomer(monomers II) , which is not soluble or poorly soluble in water and between 0 and 90 wt. % of other monomers (monomers III) , each percentage being in relation to the total weight of the monomers. Said powder has an average particle size ranging between 150 - 400 [mu]m and 80 wt. % of the particles have a diameter not less than 90 [mu]m. The invention also relates to a method for producing said powder and to its use in binding agents, textiles and feed material.

Method for producing aqueous active substance compositions of active substances that are hardly soluble in water

METHOD FOR PRODUCING AQUEOUS ACTIVE SUBSTANCE COMPOSITIONS OF ACTIVE SUBSTANCES THAT ARE HARDLY SOLUBLE IN WATER

METHOD FOR PRODUCING POLYMER POWDERS

Adsorber material and method for desulfurization of hydrocarbon gases

Method for removing compounds containing sulfur from a gas mixture containing hydrocarbons, wherein the hydrocarbon gas mixture is brought into contact with an adsorber material containing copper oxide on magnesium silicate as a support material.

AQUEOUS INSECTICIDAL COMPOSITIONS AND THE USE THEREOF FOR PROTECTING LIGNOCELLULOSE-CONTAINING MATERIALS

Fluorinated dyes and their use in electrophoretic display devices

This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R<12> or R<30> as substituents with compounds of the general formula R<12>A or R<30>A where A is selected from the group consisting of I and Br, the compounds obtained from said process and and the use of these fluorinated dyes in electrophoretic displays.

AQUEOUS FUNGICIDAL COMPOSITION AND USE THEREOF FOR COMBATING HARMFUL MICRO ORGANISMS

The invention relates to aqueous fungicidal active substance compositions and to their use in the control of harmful microorganisms and in particular in the protection of cellulose-comprising materials, particularly wood, from infection by microorganisms, in particular those harmful fungi which can damage wood or cellulose. 1. A process for the protection of cellulose-comprising materials from infection by microorganisms comprising the treatment of the cellulose-comprising material with an aqueous active substance composition , from 70 to 99.5% by weight, based on the total amount of the monomers M, of at least one neutral monoethylenically unsaturated monomer M1 with a solubility in water of not more than 30 g/l at 25° C., which is selected from styrene and esters of monoethylenically unsaturated mono- or dicarboxylic acids with C1-C10-alkanols or C5-C8-cycloalkanols, and', 'from 0.50 to 30% by weight, based on the total amount of the monomers M, of at least one ethylenically unsaturated monomers M2, which is selected from:', 'monoethylenically unsaturated monomers M2a exhibiting at least one acid group or at least one anionic group, the amount of monomers M2a being not more than 20% by weight, based on the total amount of the monomers M;', 'monoethylenically unsaturated neutral monomers M2b exhibiting a solubility in water of at least 50 g/l at 25° C., the amount of monomers M2b being not more than 10% by weight, based on the total amount of the monomers M; and', 'not more than 2% by weight, based on the total amount of the monomers M, of monomers having two or more nonconjugated ethylenically unsaturated double bonds,, 'said composition comprising (a) at least one fungicidal organic active substance with a solubility in water of less than 1 g/l at 25° C./1013 mbar, and (b) a finely-divided polymer with an average particle size, determined by dynamic light scattering, of 10 to 250 nm, in which the polymer particles comprise the active substance, the polymer having ...

AQUEOUS FUNGICIDAL COMPOSITION AND USE THEREOF FOR COMBATING HARMFUL MICROORGANISMS

The invention relates to aqueous fungicidal active substance compositions and to their use in the control of harmful microorganisms and in particular in the protection of cellulose-comprising materials, particularly wood, from infection by microorganisms, in particular those harmful fungi which can damage wood or cellulose. 1. A process for the protection of cellulose-comprising materials from infection by microorganisms comprising the treatment of the cellulose-comprising material with an aqueous active substance composition , from 70 to 99.5% by weight, based on the total amount of the monomers M, of at least one neutral monoethylenically unsaturated monomer M1 with a solubility in water of not more than 30 g/l at 25° C., which is selected from styrene and esters of monoethylenically unsaturated mono- or dicarboxylic acids with C1-C10-alkanols or C5-C8-cycloalkanols, and', 'from 0.50 to 30% by weight, based on the total amount of the monomers M, of at least one ethylenically unsaturated monomers M2, which is selected from:', 'monoethylenically unsaturated monomers M2a exhibiting at least one acid group or at least one anionic group, the amount of monomers M2a being not more than 20% by weight, based on the total amount of the monomers M;', 'monoethylenically unsaturated neutral monomers M2b exhibiting a solubility in water of at least 50 g/l at 25° C., the amount of monomers M2b being not more than 10% by weight, based on the total amount of the monomers M and', 'not more than 2% by weight, based on the total amount of the monomers M, of monomers having two or more nonconjugated ethylenically unsaturated double bonds,, 'said composition comprising (a) at least one fungicidal organic active substance with a solubility in water of less than 1 g/l at 25° C./1013 mbar, and (b) a finely-divided polymer with an average particle size, determined by dynamic light scattering, of 10 to 250 nm, in which the polymer particles comprise the active substance, the polymer having ...

Fluorinated dyes and their use in electrophoretic display devices

This invention relates to process for preparing fluorinated dyes selected from the group consisting of compounds of the general formulae (I) and (III) and mixtures thereof by reacting the corresponding compounds which do not have R12 or R30 as substituents with compounds of the general formula R12A or R30A where A is selected from the group consisting of I and Br, the compounds obtained from said process and and the use of these fluorinated dyes in electrophoretic displays.

Method for producing polymer powders

Perfume polymeric particles

Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.

Adsorber material and process for desulfurizing hydrocarbonaceous gases

Method for removing compounds containing sulfur from a gas mixture containing hydrocarbons, wherein the hydrocarbon gas mixture is brought into contact with an adsorber material containing copper oxide on magnesium silicate as a support material.

Adsorber material and process for desulfurizing hydrocarbonaceous gases

A process for removing sulfur compounds from a hydrocarbonaceous gas mixture, which comprises contacting the hydrocarbonaceous gas mixture with an adsorber material comprising copper oxide on magnesium silicate as support material.

Perfume polymeric particles

PROCEDURE FOR THE PREPARATION OF AN AQUEOUS COMPOSITION OF POORLY SOLUBLE ACTIVE PRINCIPLES

ES REFERIDA A UN PROCEDIMIENTO DE PREPARACION QUE COMPRENDE: A) PREPARACION DE UNA SUSPENSION ACUOSA DE PARTICULAS SOLIDAS DE PRINCIPIO ACTIVO ESTABILIZADAS CON UNA SUSTANCIA TENSOACTIVA NO IONICA, DICHAS PARTICULAS SOLIDAS PRESENTAN UN TAMANO NO MAS DE 1200 NM; B) POLIMERIZACION DE EMULSIONES DE UNA COMPOSICION MONOMERICA QUE COMPRENDE DE 95 A 99% EN PESO DE M1 SELECCIONADOS ENTRE ESTIRENO, ESTERES DE ACIDO ACRILICO, ETILENO, ENTRE OTROS; EN LA SUSPENSION ACUOSA DE PRINCIPIO ACTIVO OBTENIDO EN LA ETAPA A); Y C) POLIMERIZACION DE EMULSIONES DE UNA SEGUNDA COMPOSICION MONOMERICA QUE COMPRENDE ENTRE 70 A 80% EN PESO DE M2 SELECCIONADOS ENTRE MONOMEROS VINILAROMATICOS, METACRILATO DE METILO O CICLOALCANOLES(C3-C10), EN UNA DISPERSION ACUOSA OBTENIDA EN B). DICHO PROCEDIMIENTO PONE A DISPOSICION PREPARACIONES ACUOSAS DE PRINCIPIO ACTIVO CON UNA HIDROSOLUBILIDAD DE NO MAS 5 G/L A 25 °C/1013 MBAR, TALES COMO INSECTICIDAS, FUNGICIDAS, HERBICIDAS, REGULADORES DE CRECIMIENTO IT REFERS TO A PREPARATION PROCEDURE THAT INCLUDES: A) PREPARATION OF AN AQUEOUS SUSPENSION OF SOLID PARTICLES OF ACTIVE PRINCIPLE STABILIZED WITH A NON-IONIC TENSOACTIVE SUBSTANCE, SAID SOLID PARTICLES PRESENT A SIZE OF NO MORE THAN 1200 NM; B) POLYMERIZATION OF EMULSIONS OF A MONOMERIC COMPOSITION THAT COMPRISES FROM 95 TO 99% BY WEIGHT OF M1 SELECTED AMONG STYRENE, ACRYLIC ACID ESTERS, ETHYLENE, AMONG OTHERS; IN THE AQUEOUS SUSPENSION OF ACTIVE PRINCIPLE OBTAINED IN STAGE A); AND C) POLYMERIZATION OF EMULSIONS OF A SECOND MONOMERIC COMPOSITION INCLUDING BETWEEN 70 TO 80% BY WEIGHT OF M2 SELECTED AMONG VINYLAROMATIC MONOMERS, METHYL METHACRYLATE OR CYCLALKANOLES (C3-C10), IN A WATER DISPERSION. SUCH PROCEDURE MAKES AQUEOUS PREPARATIONS OF ACTIVE PRINCIPLE AVAILABLE WITH A WATER SOLUBILITY OF NO MORE 5 G / L AT 25 ° C / 1013 MBAR, SUCH AS INSECTICIDES, FUNGICIDES, HERBICIDES, GROWTH REGULATORS

Emulsion copolymerisates, process for producing them and their use as impact modifier

Aqueous Insecticidal Compositions and the Use Thereof for Protecting Lignocellulose-Containing Materials

The invention relates to aqueous insecticidal compositions embodied in the form of an aqueous polymer fine particle dispersion containing at least one type of organic insecticidal active substance whose water solubility is equal to or less than 5 g/l at 25° C./1013 mbar and a polymer particle average size, determined by dynamic light scattering, is equal to or less than 300 nm, wherein the polymer particles containing at least one insecticidal active substance exhibit a cationic surface charge and the aqueous dispersion of active substance containing polymer particles is obtained by radical aqueous emulsion polymerisation of an ethylenically unsaturated monomer composition M, in which said ethelenycally unsaturated monomer M contains at least one type of insecticidal active substance in a dissolved form. The use of the inventive aqueous insecticidal compositions for protecting lignocellulose-containing materials, in particular wood, against infest pest attacks is also disclosed.

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

Adsorber material and method for desulfurization of hydrocarbon gases

Method for removing compounds containing sulfur from a gas mixture containing hydrocarbons, wherein the hydrocarbon gas mixture is brought into contact with an adsorber material containing copper oxide on magnesium silicate as a support material.

Paints containing polymer particles containing active compounds with special substrate adhesion

Die vorliegende Erfindung betrifft Anstrichmittel, enthaltend Polymerisatteilchen aus einer polymeren Matrix und einem aktiven Wirkstoff mit einer speziellen Substratanhaftung an Oberflächen und einer guten Formulierbarkeit, und die Verwendung dieser Anstrichmittel als Abwehrstoff (Repellent) gegen Hunde, Katzen und Mauerspinnen. Der aktive Wirkstoff wird aus der Zusammensetzung kontrolliert freigesetzt. The present invention relates to paints containing polymeric polymer matrix particles and an active agent having a specific substrate adhesion to surfaces and a good formability, and to the use of these paints as repellents against dogs, cats and mason spiders. The active ingredient is released from the composition in a controlled manner.

Emulsion copolymers, processes for their preparation and their use as modifiers

Emulsionscopolymerisate, erhältlich durch DOLLAR A A. Emulsionspolymerisation von 10 bis 50 Gew.-% eines Monomerengemischs A, das sich mit den Monomerengemischen B, C und D zu insgesamt 100 Gew.-% addiert, aus DOLLAR A a¶1)¶ 50 bis 99,99 Gew.-% Styrol oder dessen kernsubstituierten Derivaten (Monomere I), DOLLAR A a¶2)¶ 0 bis 5 Gew.-% eines aliphatischen konjugierten Diens mit bis zu 6 C-Atomen (Monomere II), DOLLAR A a¶3)¶ 0 bis 49,99 Gew.-% eines C¶1¶-C¶12¶-Alkylesters der Acrylsäure oder der Methacrylsäure (Monomere III), DOLLAR A a¶4)¶ 0,01 bis 10 Gew.-% eines bi- oder polyfunktionellen nicht konjugierten Monomeren (Monomere IV), DOLLAR A a¶5)¶ 0 bis 5 Gew.-% weiterer radikalisch polymerisierbarer Monomere (Monomere V), DOLLAR A wobei sich die Gew.-% a¶1)¶-a¶5)¶ auf die Gesamtmenge der Stufe A eingesetzten Monomere beziehen und sich zu insgesamt 100 Gew.-% addieren, DOLLAR A B. daran anschließende Pfropfpolymerisation von 20 bis 80 Gew.-% eines Monomerengemischs B, das sich mit den Monomerengemischen A, C und D zu insgesamt 100 Gew.-% addiert, aus DOLLAR A b¶1)¶ 80 bis 99,99 Gew.-% eines C¶1¶- bis C¶12¶-Acrylsäureesters (Monomere IIIa), DOLLAR A b¶2)¶ 0 bis 5 Gew.-% eines Monomeren II, DOLLAR A b¶3)¶ 0,01 bis 10 Gew.-% eines Monomeren IV, DOLLAR A wobei sich die Gew.-% b¶1)¶-B¶3)¶ auf die Gesamtmenge der in Stufe B eingesetzten Monomere beziehen und sich zu insgesamt 100 Gew.-% addieren, DOLLAR A C. eine weitere daran anschließende Pfrophpolymerisation von ... Emulsion copolymers obtainable by DOLLAR A A. Emulsion polymerization of 10 to 50% by weight of a monomer mixture A which adds up to a total of 100% by weight with the monomer mixtures B, C and D, from DOLLAR A a1) ¶ 50 to 99.99 wt .-% of styrene or its ring-substituted derivatives (monomers I), DOLLAR A a¶2) ¶ 0 to 5 wt .-% of an aliphatic conjugated diene having up to 6 C-atoms (monomers II), DOLLAR A a ¶3) ¶ 0 to 49.99 wt .-% of a C¶1¶-C¶12¶-alkyl ester of acrylic acid or of methacrylic acid (monomers ...

PERFUME POLYMERIC PARTICLES.

Un método para fabricar una composición para mejorar el suministro de materia prima de perfume, en donde el método comprende las etapas de: a) obtener una partícula polimérica de perfume; b) añadir la partícula polimérica de perfume a una matriz de producto; y c) añadir un ingrediente adyuvante a la matriz de producto, en donde la partícula polimérica de perfume comprende un polímero, comprendiendo el polímero un monómero catiónico que tiene la fórmula **(Ver fórmula)** en donde cada uno de R1, R2 y R3 se selecciona, independientemente entre sí, de hidrógeno o alquilo C1-C6; T es un resto sustituido o no sustituido, saturado o insaturado, lineal o ramificado seleccionado del grupo que consiste en alquilo, cicloalquilo, arilo, alquilarilo, aralquilo, anillo heterocíclico, sililo, sulfonato, alcoxi, ceto, éster, éter, carbonilo, amido, amino, glicidilo, carbanato, carbamato, carboxílico, carboalcoxi, y mezclas de los mismos; Z es un resto seleccionado del grupo que consiste en: -(CH2)-, (CH2-CH=CH)-, -(CH2-CHOH)-, (CH2-CHNR4)-, -(CH2-CHR5-O)-, y mezclas de los mismos, en donde R4 y R5 se seleccionan, independientemente entre sí, de hidrógeno o alquilo C1-C6; z es un número entero de 0 a 12; A es NR6R7 o NR6R7R8, en donde R6, R7 y R8 se seleccionan, independientemente entre sí, de H, alquilo C1-C8 lineal o ramificado, o alquilenoxi que tiene la fórmula: **(Ver fórmula)** en donde R9 es alquileno C2-C4 lineal o ramificado, carbonilalquilo, o mezclas de los mismos; R10 es hidrógeno, alquilo C1-C4, carbonilalquilo, o mezclas de los mismos; y es un número entero de 1 a 10, en donde la partícula polimérica de perfume comprende un perfume, comprendiendo el perfume una materia prima de perfume que tiene un índice Kovats de 1000 a 1400, determinado con una columna DB-5, y en donde el factor de respuesta (FR) del material polimérico de perfume es al menos 1,5, medido mediante los Protocolos de ensayo de longevidad I ó II. A method for manufacturing a composition to improve the ...

Aqueous fungicidal composition and use thereof for combating harmful micro organisms

The invention relates to aqueous, fungicidal compositions and the use thereof in combating harmful micro organisms and particularly for protecting cellulose-containing materials, especially wood, from being attacked by micro organisms, particularly noxious fungi which can damage wood or cellulose. The inventive active substance compositions contain: a) at least one fungicidal organic active substance having a degree of solubility in water of no more than 5 g/I at 25 °C/1013 mbar and b) a fine-particled polymer having an average particle size (determined by dynamic light scattering) of no more than 300 nm, wherein the polymer particles contain the active substance, wherein the polymer is constructed from ethylenically unsaturated monomers M, comprising: - at least 60 wt.- %, in relation to the total amount of monomers M, of at least one neutral monoethylenically unsaturated monomer Ml having a degree of solubility in water of no more than 30 g/I at 25 °C and up 40 wt.- %, in relation to the total amount of monomers M, of one or several ethylenically unsaturated Monomers M2 different from monomers MI.

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

Perfume polymeric particles

Perfume polymeric particles, polymeric particles having affinities for certain perfume raw materials, compositions containing them and methods for making the same are provided.

insecticidal composition, process for preparing it, use of an insecticidal composition, and process for protecting lignocellulosic materials against infestation or destruction by harmful insects

COMPOSIçãO INSETICIDA, PROCESSO PARA PREPARAçãO DA MESMA, USO DE UMA COMPOSIçãO iNSETICIDA, E, PROCESSO PARA PROTEGER MATERIAIS LIGNOCELULóSICOS CONTRA INFESTAçãO OU DESTRUIçãO POR INSETOS NOCIVOS. A invenção se refere a composições inseticidas aquosas incorporadas na forma de uma dispersão de partículas finas de polímero aquoso contendo pelo menos um tipo de substância inseticida orgânica cuja solubilidade em água é igual a ou menos do que 5g/l a 25<198>C a 1013 mbar e um tamanho de partícula médio média, determinado pelo espalhamento dinâmico de luz, é igual a ou menos que 300 nm, segundo as quais as partículas de polímero contendo pelo menos uma substância ativa inseticida exibem uma carga de superficie catiónica e a dispersão aquosa de partículas de polímero contendo substância ativa é obtida pela polimerização em emulsão aquosa por radical livre de uma composição de monómero etilenicamente insaturado M, no qual dito monómero etilenicamente insaturado M contém pelo menos um tipo de substância ativa inseticida em uma forma dissolvida. O uso de composições inseticidas da invenção para proteger materiais contendo lignocelulose, em particular madeira, contra infestação de insetos nocivos é também revelado. INSECTICIDE COMPOSITION, PROCESS FOR PREPARING IT, USING AN INSECTICIDE COMPOSITION, AND PROCESS TO PROTECT LIGNOCELLULOSTIC MATERIALS AGAINST INFESTATION OR DESTRUCTION BY HARMFUL INSECTS. The invention relates to aqueous insecticidal compositions incorporated in the form of an aqueous polymer fine particle dispersion containing at least one type of organic insecticidal substance whose water solubility is equal to or less than 5g / l to 25 ° C at 1013 ° C. mbar and an average mean particle size, determined by dynamic light scattering, is equal to or less than 300 nm, whereby polymer particles containing at least one insecticide active substance exhibit a cationic surface charge and the aqueous dispersion of Active substance-containing polymer particles are ...

MICROCAPSULE POWDER

ADSORBOR MATERIAL AND PROCEDURE FOR SULFURATION OF CARBON HYDRADIC GASES

Aqueous insecticidal compositions and the use thereof for protecting lignocellulose-containing materials

The invention relates to aqueous insecticidal compositions embodied in the form of an aqueous polymer fine particle dispersion containing at least one type of organic insecticidal active substance whose water solubility is equal to or less than 5 g/l at 25 °C/1013 mbar and a polymer particle average size, determined by dynamic light scattering, is equal to or less than 300 nm, wherein the polymer particles containing at least one insecticidal active substance exhibit a cationic surface charge and the aqueous dispersion of active substance containing polymer particles is obtained by radical aqueous emulsion polymerisation of an ethylenically unsaturated monomer composition M, in which said ethelenycally unsaturated monomer M contains at least one type of insecticidal active substance in a dissolved form. The use of the inventive aqueous insecticidal compositions for protecting lignocellulose-containing materials, in particular wood, against infest pest attacks is also disclosed.

Coating compounds containing polymer particles containing active compounds with a particular capacity for adhering to substrates

The invention relates to coating compounds containing polymer particles consisting of a polymer matrix, and an active ingredient with a particular capacity for adhering to the surfaces of substrates and a good formulation capacity. The invention also relates to the use of said coating compounds as repellents for dogs, cats, and Dictyna civia spiders. The active ingredient is released from the composition in a controlled manner.

Emulsionscopolymerisate, verfahren zu ihrer herstellung und ihre verwendung als modifizierungsmittel

Verfahren zur herstellung wässriger wirkstoffzusammensetzungen von in wasser schwer löslichen wirkstoffen

Verfahren zur herstellung von polymerisatpulvern

Polymerische parfümpartikel

Verfahren zur herstellung von polymerisatpulvern aus wässrigen polymerisatdispersionen

Verfahren zur herstellung von polymerisatpulvern aus wässrig en polymerisatdispersionen

Metodo para la preparacion de polvos de polimero a partir de dispersiones polimericas acuosas.

Método para la preparación de polvos poliméricos, a partir de una dispersión polimérica acuosa, con una fracción más pequeña de compuestos solubles en agua en comparación con esta dispersión polimérica acuosa, referida al polímero presente en forma de partículas poliméricas insolubles en agua, caracterizado porque la dispersión polimérica acuosa se somete en un primer paso de proceso a una filtración de membrana y en un segundo paso de proceso a un secamiento por aspersión.

Verfahren zur herstellung von polymerisatpulvern aus wässrigen polymerisatdispersionen

Verfahren zur Herstellung von Polymerisatpulver aus einer wässrigen Polymerisatdispersion mit einem im Vergleich zu dieser wässrigen Polymerisatdispersion geringeren Anteil an wasserlöslichen Verbindungen, bezogen auf das in Form von wasserunlöslichen Polymerisatteilchen vorliegende Polymerisat, wobei die wässrige Polymerisatdispersion in einem ersten Verfahrensschritt einer Membranfiltration und in einem nachfolgenden zweiten Verfahrensschritt einer Sprühtrocknung unterworfen wird.

Verfahren zur herstellung von polymeren mit iso- oder syndiotaktischen bereichen

Verfahren zur Herstellung von Polymeren mit iso- oder syndiotaktischen Bereichen (kurz geordnete Bereiche) durch Polymerisation von polymerisierbaren, Verbindungen (Monomere) in Gegenwart einer optisch aktiven Verbindung als Komplexbildner, dadurch gekennzeichnet, dass die optisch aktive Verbindung zu mehr als 50 Gew.-% in der Form nur eines einzi­gen der möglichen Enantiomeren vorliegt und die Polymerisation bei Temperaturen unter 20 °C erfolgt und es sich bei mindestens 10 Gew.-% der Monomeren um prochirale Verbindungen handelt.

Verfahren zur herstellung von polymeren mit iso- oder syndiotaktischen bereichen

Verfahren zur Herstellung von Polymeren mit iso- oder syndiotaktischen Bereichen (kurz geordnete Bereiche) durch Polymerisation von polymerisierbaren, Verbindungen (Monomere) in Gegenwart einer optisch aktiven Verbindung als Komplexbildner, dadurch gekennzeichnet, dass die optisch aktive Verbindung zu mehr als 50 Gew.-% in der Form nur eines einzi­gen der möglichen Enantiomeren vorliegt und die Polymerisation bei Temperaturen unter 20 °C erfolgt und es sich bei mindestens 10 Gew.-% der Monomeren um prochirale Verbindungen handelt.