摘要:
Water soluble radiation curable products (A) obtainable by mixing with or without reaction of at least one hyperbranched polyurethane (a) with at least one compound having at least one ethylenic double bond per molecule (b) or by synthesis of at least one hyperbranched polyurethane (a) in the presence of at least one compound having at least one ethylenic double bond per molecule (b) are used to produce aqueous inks for the ink jet process.
摘要:
An aqueous dispersion comprises a pigment (B) at least partially enveloped by at least one radiation-curable polyurethane (A), at least one radiation-curable polyurethane (A) being obtainable by reaction of (a) at least one di- or polyisocyanate comprising on average from 1 to 10 allophanate groups and on average from 1 to 10 C—C double bonds per molecule, with (b) at least one further diisocyanate and with (c) at least one compound having at least two isocyanate-reactive groups.
摘要:
The present invention relates to an aqueous dispersion comprises a pigment (B) at least partially enveloped by at least one radiation-curable polyurethane (A), at least one radiation-curable polyurethane (A) being obtainable by reaction of (a) at least one diisocyanate with (b) at least one compound having at least two isocyanate-reactive groups and (c) at least one compound of the general formula I where R1 and R2 are the same or different and are independently selected from hydrogen and C1-C10-alkyl, X1 is selected from oxygen and N—R3, A1 is selected from C1-C20-alkylene which is unsubstituted or singly or multiply substituted by C1-C4-alkyl, phenyl or O—C1-C4-alkyl, and in which one or more nonadjacent CH2 groups may be replaced by oxygen; X2 is selected from hydroxyl and NH—R3, R3 is in each occurrence the same or different and selected from hydrogen, C1-C10-alkyl and phenyl.
摘要:
The invention relates to novel polymeric dispersion additives with hyperbranched structures and to the use of polyurethanes with hyperbranched structures, selected from hyperbranched polyurethanes and modified hyperbranched polyurethanes.
摘要:
Compositions comprising: (a) at least one hyperbranched polymer comprising nitrogen atoms; and (b) at least one substance exhibiting a solubility in water at 25° C. and 1013 mbar of less than 10 g/l are disclosed along with methods of preparing such compositions.
摘要:
The invention relates to preparations, in particular plant-protective preparations which contain a mixture of at least two different active plant-protective substances, wherein a) at least one active substance is selected from a conazole group (active substance 1) and b) another active plant-protective substance (active substance 2) whose water solubility at a temperature of 20° C. is less than 20 g/l, c) at least one type of copolymer CP consisting of M monomers comprising α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group and β) at least one type of neutral monoethylenically unsaturated monomer M2, wherein the quantitative ratio between the active substance 1 and the other active plant-protective substance 2 ranges from 1:10 to 10:1. Said invention also relates to novel copolymers CP which are embodied in the form of polymers consisting of at least three types of different monoethylenically unsaturated monomers M and comprise, in the polymerisation incorporated form, α) at least one type of monoethylenically unsaturated monomer M1 comprising at least one sulphonic acid group, β1) at least one type of neutral monoethylenically unsaturated monomer M2 whose water solubility at a temperature of 20° C. is less than 30 g/l and β2) at least one type of neutral monoethylenically unsaturated monomer M2b whose water solubility at a temperature of 20° C. is greater than 50 g/l.
摘要:
A process for producing aqueous primary dispersions of polymer-ensheathed pigment, which comprises (a) at least one polyfunctional isocyanate and (b) at least one compound having isocyanate-reactive groups selected from polyetherols, polyesterols, polyhydric alcohols having up to 8 carbon atoms, polycarbonate diols, polyhydroxyolefins, polyhydroxyurethanes, polyisobutenediols, polysiloxanes having on average at least 2 hydroxyl groups per molecule and lactone-based polyesterdiols being mixed with pigment, water and if appropriate one or more surface-active substances and reacted with each other.
摘要:
In an injection nozzle for an internal combustion engine including a nozzle housing, a closure member disposed in a nozzle opening and connected to a nozzle needle for axially moving the closure member outwardly off its seat in the nozzle opening to open the nozzle by providing a gap to permit fuel to be discharged into a combustion chamber of an internal combustion engine so as to form a fuel injection cone, the nozzle seal and the closure member have seal surface areas provided with turbulence chambers for imparting turbulence to the fuel flowing through the gap in order to more finely atomize the fuel forming the fuel cone in the combustion chamber.
摘要:
The present invention relates to amphiphilic polymer compositions, to a process for their preparation and to their use for preparing aqueous active compound compositions of water-insoluble active compounds, in particular active compounds for crop protection.The amphiphilic polymer compositions can be obtained by reacting a) at least one hydrophobic polymer P1 which carries functional groups R1 which are reactive toward isocyanate groups and which is constructed of ethylenically unsaturated monomers M1, comprising: a1) at least 10% by weight, based on the total amount of monomers M1, of monomers M1a of the formula I in which X is oxygen or a group N—R4; R1, R2, R3 and R4 are as defined in the claims and the description; a2) up to 90% by weight, based on the total amount of monomers M1, of neutral monoethylenically unsaturated monomers M1b whose solubility in water at 25° C. is less than 50 g/l and which are different from the monomers M1a; and a3) up to 30% by weight, based on the total amount of monomers M1, of ethylenically unsaturated monomers M1c which are different from the monomers M1a and M1b, b) at least one hydrophilic polymer P2 which carries functional groups R2 which are reactive toward isocyanate groups, c) with at least one compound V which contains isocyanate groups and, with respect to the isocyanate groups, has a functionality of at least 1.5.