摘要:
Coating composition suitable for use in the production of coatings with a rapidly curable surface containingA) 10-80 wt. % of one or more compounds with on average at least two CH-acid hydrogen atoms,B) 10-80 wt. % of one or more .alpha.,.beta.-unsaturated compounds with at least two identical or different groups of the general formula R.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO-- which are linked together by the residue of a di-or polyhydric alcohol, a di- or polyamine or aminoalcohol, in which R.sub.1, R.sub.2 and R.sub.3 are mutually independently a hydrogen atom or a straight or branched alkyl residue with 1 to 10 carbon atoms, which residue may be olefinically mono- or polyunsaturated and/or may have one or more hydroxyl groups,C) 0-50 wt. % of one or more radically or ionically polymerisable compounds,D) 5-50 wt. % of one or more polyamines with at least two amine functional groups, related to the sum of the weights of A), B) and C, which may be primary and/or secondary and which may be entirely or partially capped, per molecule,E) 0.01-5 wt % related to the sum of the weights of components A), B), C) and D) of a catalyst in the form of one or more Lewis or Bronsted bases, wherein the conjugate acids of the latter have a pKA value of at least 10,F) 0.1 to 10 wt. %, related to the sum of the weights of components A), B), C) and D) of one or more photoinitiators, together with pigments and/or extenders, optionally together with auxiliary substances and additives customary in lacquers and optionally one or more organic solvents and/or water.
摘要:
Coating composition suitable for multilayer lacquering, containing, in addition to organic solvent, anti-sagging agents, optionally pigments, extenders and additives, a binder/crosslinkin agent system containing A) from 20 to 80 wt. % of carboxyl-functional (meth)acrylic copolymers and/or carboxyl-functional polyesters having an acid number of from 20 to 300, B) from 20 to 80 wt. % of epoxy-functional crosslinking agents, the percentages by weight of A) and B) adding up to 100 wt. %. C) from 0 to 30 wt. % of polymer polyol C), based on the sum of the weights of A) and B), E) from 0 to 20 wt. % of further crosslinking agents, based on the sum of the weights of A, B, and C), F) from 0 to 10 wt. % of monoepoxides, based on the sum of the weights of A) and B), and D) as anti-sagging agents, from 0.1 to 3 wt. %, based on the resin solids, of solid, finely divided urea compounds D) which have previously been prepared in the presence of at least a portion of the epoxy-functional crosslinking agent B) and which are insoluble in the coating compositions, all percentages are by weight being based in each case on the solids.
摘要:
This invention relates to non-ionic emulsifiers based on fatty acid esters of polyalkoxylated polyhydric alcohols as fundamental constituents. At least two fundamental constituents are linked to each other by the reaction of hydroxyl groups with a polyisocyanate, with the formation of urethane bonds.
摘要:
A polymeric coating agent which comprises a polymer of from 60 to 97 wt. % of one or more (meth)acrylic monomers the polymerization of which can be initiated by free radicals, from 3 to 40 wt. % of at least one .alpha., .omega.-hydroxy-, carboxy-, and/or epoxy-functional polysiloxanes of the formula (I) ##STR1## wherein R' can be the same or different and is C.sub.1-6 alkyl, and R can be the same or different and is ##STR2## wherein Alk and Alk' are C.sub.1-6 alkylene and the alkylene groups in a molecule can be the same or different, n is a cardinal number from 8 to 40, m is a cardinal number from 2 to 30, and p is a cardinal number from 1 to 20 of solids in the monomers.
摘要:
This invention relates to a composition, and to the preparation and use of thereof said composition being suitable as a rheology influencer for coating media and comprising the reaction product formed by reaction of a mixture of components A, B and C with components D, E and F. Components A, B and C form a mixture wherein component A is one or more (meth)acrylic copolymers and/or one or more polyesters which contain hydroxyl groups. Component B is a copolymer of ethylhexyl (meth)acrylate and one or more hydroxyalkyl (meth)acrylates, as well as .alpha.,.beta.-unsaturated monomers which are different therefrom. Component C is a hydroxy--functional microdispersion which is produced by polymerizing hydroxylalkyl (meth)acrylates in combination with unsaturated monomers in a mixture of polyesters or polyacrylates containing carboxyl and/or hydroxyl groups. Component D is one or more aliphatic polyisocyantes and component E is .epsilon.-caprolactam. The caprolactam partially blocks the polyisocyanate. The component F is one or more primary amines. These ingredients are combined in certain specified amounts. The invention also relates to coating media and to the production of these coating media, which contain said composition as a rheology influencer.
摘要:
Oligoester acrylate resins having a high content of solids and comparatively low viscosity, and aqueous coating agents with a low content of organic solvents for obtaining coatings with high resistance to chemicals, more particularly high resistance to acids and oily soot, and very low tendency to yellowing.
摘要:
A binder composition, a coating composition containing this binder, a process for its production and use to produce single or multi-layer lacquer coatings, particularly in the automotive sector, are described. The binder composition contains A) 25 to 75 wt. % of one of more resins containing carboxyl groups, which may contain .alpha.,.beta.-unsaturated groups, with a number average molecular weight (Mn) of 500 to 10000 g/mol and an acid value of 15 to 200 mg KOH/g, B) 25 to 75 wt. % of one or more polyethers, polyesters, polyether/polyesters and/or (meth)acrylic copolymers with at least one .alpha.,.beta.-unsaturated group and at least one epoxy group per molecule, wherein the .alpha.,.beta.-unsaturated groups and epoxy groups are present in a numerical ratio of 20:80 to 80:20, with a number average molecular weight (Mn) of up to 10000 g/mol, C) 0 to 60 wt. % of one or more polyols with at least two hydroxyl functional groups per molecule, D.sub.1) 0 to 20 wt. % of one or more melamine resins, D.sub.2) 0 to 40 wt. % of one or more capped polyisocyanates, wherein the sum of the weight percentages of components A), B), C), D.sub.1) and D.sub.2) is 100 wt. %, together with E) 0 to 10 wt. % of one or more catalysts to catalyze the reaction of the carboxyl and epoxy groups, related to the sum of the weights of components A) to D.sub.2), and F) 0.1 to 10 wt. % of one or more thermally or photochemically activated initiators, related to the total weight of components A) and B).
摘要:
A binder composition for coating agents contains A.sub.1) C--H-acid compounds obtainable by polymerization of hydroxyfunctional and non-hydroxyfunctional monomers, polyols and .beta.-keto carboxylic acid esters and subsequent esterification of the hydroxy groups with the .beta.-keto carboxylic acid esters, A.sub.2) C--H-acid compounds obtainable by transesterification of polyols with .beta.-keto carboxylic acid esters, .alpha.,.beta.-unsaturated compounds with at least two groups having the formula R.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO-- bonded to at least one additional group R.sub.1 R.sub.2 C.dbd.CR.sub.3 --CO-- via the radical of a polyalcohol, polyamine or amino alcohol, C) polyglycidyl compound, D) polyamine hardeners, E) Lewis or Bronstedt bases and F) polysiloxane compounds.
摘要翻译:用于涂覆剂的粘合剂组合物含有通过羟基官能和非羟基官能单体,多元醇和β-酮羧酸酯的聚合可得到的A1)CH-酸化合物,随后羟基与β-酮羧酸酯的酯化反应,A2) 通过多元醇与β-酮羧酸酯的酯交换获得的CH-酸化合物,具有至少两个具有式R 1 R 2 C = CR 3 -CO-键的至少两个基团的α,β-不饱和化合物与至少一个另外的基团R 1 R 2 C = CR 3 -CO- 通过多元醇,多胺或氨基醇的基团,C)多缩水甘油基化合物,D)多胺硬化剂,E)路易斯或Br + E,uml o + EE nstedt碱和F)聚硅氧烷化合物。
摘要:
A coating material is described which exhibits high resistance to chemicals and is emulsifier-free. The coating material is useful as a lacquer layer coating on metallic substates such as automobiles. The coating material is based upon a polyester oligomer/polyacrylate wherein the polyacrylate contains hydrophilic and hydrophobic portions and the polyester contains hydroxyl functions. Capped polyisocyanates are also included in the coating material.
摘要:
The present invention discloses a method for identifying cell-specific protein combination patterns of cell surfaces of circulating cells of the immune system of a human or animal for the identification of different stages of organ-specific chronic inflammatory diseases or tumour diseases comprising the following steps: a) providing a sample of circulating cells of the immune system of a human or animal showing an organ-specific chronic inflammatory disease or tumour disease and providing a sample of circulating cells of the same cell type of the immune system of a healthy human or animal; b) determining cell-specific protein combination patterns of the cell surfaces of said healthy and pathologically modified cells; c) comparing the resulting protein combination patterns of the cell surfaces of said healthy and pathologically modified cells and subtracting the coincident parts of the protein combination patterns of said healthy and pathologically modified cells, thereby determining a cell-specific protein combination patterns of the cell surfaces of said pathologically modified cells resulting therefrom; and d) identifying and characterizing the resulting cell-specific protein combination pattern of the cell surfaces of said pathologically modified circulating cells of the immune system in terms of molecules and its spatial arrangement within the cell as disease specific. The invention moreover relates to compositions and kits comprising antibodies and/or ligands which can be employed for the performance of the method.