摘要:
A platelet-shaped cholesteric multilayer pigment which comprises the layer sequence A/B/ and if desired C, where A and C independently of one another are at least one partly light-permeable absorption layer, and B is at least one cholesteric layer.
摘要:
A platelet-shaped cholesteric multilayer pigment which comprises the layer sequence A1/B/A2 where A1 and A2 are identical or different and each comprise at least one cholesteric layer, and B is at least one interlayer which separates the layers A1 and A2 from one another and which absorbs all or some of the light transmitted by the layers A1 and A2, processes for its preparation, and its use are all described.
摘要翻译:包含层序列A1 / B / A2其中A1和A2的片状胆甾型多层颜料是相同的或不同的,并且各自包含至少一个胆甾醇层,B是至少一层使层A1和A2彼此分离的中间层, 吸收由层A1和A2传输的全部或一些光,其制备方法及其用途均被描述。
摘要:
Improved cholesteric special-effect layers are obtainable by comminuting cholesteric layers. These cholesteric layers are produced by applying at least one layer of a reactive, pourable cholesteric mixture to a moving substrate, by casting, and forming a solid cholesteric layer.
摘要:
The present invention relates to novel cholesteric layered materials having the layer sequence A1/B/A2, where A1 and A2 are identical or different and each comprise at least one cholesteric layer, and B is at least one interlayer separating the layers A1 and A2 from one another, wherein layer B is an adhesive layer; cholesteric multilayered pigments which can be produced therefrom; a process for their production, and their use.
摘要翻译:本发明涉及具有层序列A 1 / B / A 2的新型胆甾醇层状材料,其中A 1和A 2相同或不同,并且各自包含至少一个胆甾醇层,B 是将层A 1和A 2彼此分隔开的至少一个层,其中层B是粘合剂层; 可由其制造的胆甾型多层颜料; 它们的生产过程及其使用。
摘要:
Particles obtainable by the reaction of compounds which can form inorganic nanoparticles with organic molecules which comprise functional groups, and the use of these particles for the finishing of inanimate organic polymers, in particular for stabilization against the effect of UV radiation. Liquid formulations which comprise such particles, and also methods for the preparation of the particles and their liquid formulations. Powders which are obtainable from the abovementioned liquid formulations and also liquid formulations which are obtainable by redispersing the powders. Use of nanoparticles with organic light-absorbing compounds attached to the surfaces thereof for stabilizing polymers against the effect of light, free radicals or heat.
摘要:
A method of finishing an organic pigment that involves dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the absence of a sulfonato-functional condensation product of an arylsulfonic acid and an aliphatic aldehyde as crystallization inhibitor, which comprises ripening the crystallized organic pigment in the presence of a surfactant or in the presence of a pigment solubility enhancer in aqueous suspension.
摘要:
Process for the preparation of modified zinc oxide nanoparticles, which comprises reacting zinc oxide nanoparticles, which are dissolved in a solvent, in the presence of ammonia or amines with a tetraalkyl orthosilicate and optionally with an organosilane, with the proviso that the reaction takes place at a content of less than 5% by weight of water, based on the total amount of solvent and water. Modified zinc oxide nanoparticles which have Si—O-alkyl groups and are soluble in organic solvents, obtainable by this process for the preparation. Liquid or solid formulations which comprise modified ZnO nanoparticles. Inanimate organic materials, for example plastics or coatings, which comprise modified ZnO nanoparticles. Method of stabilizing inanimate organic materials against the effect of light, free radicals or heat, where modified ZnO nanoparticles, which optionally comprise UV absorbers and/or stabilizers as further additives, are added to the materials.
摘要:
The invention relates to a methods finishing an organic pigment by dissolving or dispersing the pigment in a mineral acid and crystallizing the pigment from the solution or dispersion by mixing with an aqueous diluent in the presence of a crystallization modifier constituted by a sulfonate-functional condensation product of a naphthalenesulfonic acid and at least one aliphatic aldehyde having 1 to 6 carbon atoms, and then isolating the pigment as a solid, wherein the crystallization modifier is present in the aqueous diluent.
摘要:
Use of high functionality hyperbranched polycarbonates obtainable bya) preparing one or more different condensation products (K) either bya1) reacting at least one organic carbonate (A) of the general formula RO[(CO)O]nR with at least one aliphatic, aliphatic/aromatic or aromatic alcohol (B) having at least 3 OH groups by elimination of alcohols ROH, where each R is independently a straight chain or branched aliphatic, aromatic-aliphatic or aromatic hydrocarbyl radical having 1 to 20 carbon atoms and the R radicals may also be bonded to each other to form a ring comprising the grouping —O[(CO)O]n—, where n is an integer from 1 to 5,ora2) reacting phosgene, diphosgene or triphosgene with the aliphatic, aliphatic/aromatic or aromatic alcohol (B) to liberate hydrogen chloride,the quantitative ratio of the alcohols (B) to the carbonates (A) or to the phosgenes in the reaction mixture being so chosen that the condensation products (K) comprise on average either one carbonate or carbamoyl chloride group and more than one OH group or one OH group and more than one carbonate or carbamoyl chloride group,andb) intermolecularly reacting the condensation products (K) from step a),as a dispersant for a pigment.
摘要翻译:通过a)制备一种或多种不同的缩合产物(K)的高官能度超支化聚碳酸酯的使用,通过a1)使通式RO [(CO)O] n R的至少一种有机碳酸酯(A)与至少一种脂族 ,通过消除醇ROH具有至少3个OH基团的脂族/芳族或芳族醇(B),其中每个R独立地是具有1至20个碳原子的直链或支链脂族,芳族 - 脂族或芳族烃基,R 自由基也可以彼此键合以形成包含分组-O [(CO)O] n - 的环,其中n是1至5的整数,或a2)使光气,双光气或三光气与脂族,脂族 /芳族或芳香族醇(B)以释放氯化氢,反应混合物中醇(B)与碳酸酯(A)或光气体的定量比被选择为使得缩合产物(K)平均包含 一个碳酸盐或卡巴莫 多于一个OH基团或一个OH基团和多于一个碳酸酯或氨基甲酰氯基团,和b)使来自步骤a)的缩合产物(K)与颜料分散反应。
摘要:
A method of automated preparation and characterization of liquid multicomponent systems comprising at least two, preferably three components comprises the automated preparation of a mixture by combining at least two, preferably three components in a vessel, at least one component being metered in an automated fashion into the vessel, and the automated homogenization of the mixture with subsequent automated measuring and evaluation. The apparatus for conducting this method comprises at least one metering station, one closing station, one homogenizing station, one measuring station for determining formulation properties, and one evaluation unit.