摘要:
The invention relates to the preparation of pyrocarbonic acid diesters by an improved process and to the novel pyrocarbonic acid diesters prepared according to said process as well as to the use thereof. The core of the invention is a process for the preparation of a pyrocarbonic acid diester of formula (I) wherein R1 and R1′ are each independently of the other branched or straight-chain C1-C24alkyl, C3-C24alkenyl, C3-C24alkynyl, C4-C12cycloalkyl, C4-C12cycloalkenyl or C7-C24aralkyl, each of which is unsubstituted or substituted by one or more than one substituent which is inert under the reaction conditions, by reacting at least one ester carbonate of formula (II) with 40-50 mol % of a sulfochloride of formula (IV) in the presence of 0.8-5 mol % of a catalyst of formula (V) and with minor amounts of a heterocyclic aromatic amine in a nonpolar inert solvent, in which process the amount of heterocyclic aromatic amine is 1-3 mol % and the reaction is carried out in the temperature range from −10° C. to +25° C., all molar amounts being based on 100 mol % of ester carbonate of formula (II).
摘要:
The invention relates to the preparation of pyrocarbonic acid diesters by an improved process and to the novel pyrocarbonic acid diesters prepared according to said process as well as to the use thereof. The core of the invention is a process for the preparation of a pyrocarbonic acid diester of formula (I) wherein R1 and R1′ are each independently of the other branched or straight-chain C1-C24alkyl, C3-C24alkenyl, C3-C24alkynyl, C4-C12cycloalkyl, C4-C12cycloalkenyl or C7-C24aralkyl, each of which is unsubstituted or substituted by one or more than one substituent which is inert under the reaction conditions, by reacting at least one ester carbonate of formula (II) with 40-50 mol % of a sulfochloride of formula (IV) in the presence of 0.8-5 mol % of a catalyst of formula (V) and with minor amounts of a heterocyclic aromatic amine in a nonpolar inert solvent, in which process the amount of heterocyclic aromatic amine is 1-3 mol % and the reaction is carried out in the temperature range from −10° C. to +25° C., all molar amounts being based on 100 mol % of ester carbonate of formula (II).
摘要:
Curable mixtures suitable for the manufacture of moldings, coatings and foams comprises a) an epoxy resin having more than one 1,2-epoxy group per molecule, b) as curing catalyst, an imidazole compound of formula I wherein R1, R2 and R3 are each independently of the others a hydrogen atom, a halogen atom, alkyl having from 1 to 20 carbon atoms, alkoxy having from 1 to 20 carbon atoms, unsubstituted or halo-, nitro-, C1-4alkyl- or C1-4alkoxy-substituted aralkyl having from 7 to 20 carbon atoms, or unsubstituted or halo-, nitro-, C1-4alkyl- or C1-4alkoxy-substituted aryl having from 6 to 20 carbon atoms, and R4 is alkyl having from 1 to 20 carbon atoms, alkenyl having from 2 to 20 carbon atoms, alkynyl having from 2 to 20 carbon atoms, unsubstituted or halo-, nitro-, C1-4alkyl- or C1-4alkoxy-substituted aralkyl having from 7 to 20 carbon atoms or unsubstituted or halo-, nitro-, C1-4alkyl- or C1-4alkoxy-substituted aryl having from 6 to 20 carbon atoms; and c) curing agent such as dicyadiamide or an anhydride.
摘要:
Preparation of pigment dispersions by a1) subjecting a mixture A comprising a latent pigment and a polymer to thermal, chemical or photolytic treatment and b) then adding a solvent, or a2) subjecting a mixture B comprising a latent pigment, a polymer and a solvent to thermal, chemical or photolytic treatment, new pigment dispersions and new latent pigments, their use in the process according to the invention for preparing the fine pigment dispersions and the use of the dispersions according to the invention for pigmenting high molecular mass material, including color filters.
摘要:
A process for printing flat substrate, in which the said substrate is printed with ink composition including a) a basic dye together with b) an aliphatic carboxylic acid having 4–24 carbon atoms, c) a pigment, d) a binder resin and water, yields water-resistant prints having a high depth of shade and high chroma.
摘要:
The present application relates to a process for the manufacture of pigmented vitreous materials, as well as to pigmented vitreous materials, characterized by the use of soluble pigment precursors and preferably the absence of significant amounts of dispersants. These pigmented vitreous materials can be used as colored materials for any known purposes. Soluble pigment precursors comprising a partial structure are also claimed, wherein X1 is an aromatic or heteroaromatic ring, B is hydrogen or a group of the formula but at least one group B is not hydrogen, and L is a solubilizing group.
摘要:
The invention relates to a colourant composition comprising in a weight ratio of from 99:1 to 10:90, preferably a weight ratio of from 95:5 to 30:70, particularly preferred a weight ratio of from 95:5 to 50:50, a pigment of average particle size from 10 to 200 nm and a 1- or 2-phenylthio-substituted anthraquinones of greenish-yellow colour hue, lacking electron-rich N(III), O(II) and further S(II) substituents on the anthraquinone ring. The compositions are particularly useful in patterned colour filters. Compounds wherein the 1- or 2-phenylthio group is substituted by SOR10, SO2R10, SO3R10, SO2NR11R12, CN, COR10, COOR10 or CONR11R12, or the anthraquinone group is substituted by SO2NR11R12 are also claimed, with a few exceptions. The invention also relates to a compound of Formula (III) or (IV), wherein at least one of R1, R2 and R3 is SOR10, SO2R10, SO3R10, SO2NR11R12, CN or COR10, or at least one of R7, R8 and R9 is SO2NR11R12, with the proviso that R3 is not SO2NH2.
摘要翻译:本发明涉及一种着色剂组合物,其包含重量比为99:1至10:90,优选95:5至30:70的重量比,特别优选的重量比为95:5至50:50 ,平均粒度为10〜200nm的颜料和绿黄色色调的1-或2-苯硫基取代的蒽醌,缺乏富电子的N(III),O(II)和另外的S(II)取代基 在蒽醌环上。 组合物在图案化滤色器中特别有用。 除了少数例外,还要求保护由SOR10,SO2R10,SO3R10,SO2NR11R12,CN,COR10,COOR10或CONR11R12或被SO2NR11R12取代的蒽醌基的化合物。 本发明还涉及式(III)或(IV)的化合物,其中R1,R2和R3中的至少一个是SOR10,SO2R10,SO3R10,SO2NR11R12,CN或COR10,或R7,R8和R9中的至少一个 是SO 2 NR 11 R 12,条件是R 3不是SO 2 NH 2。
摘要:
The present application relates to a process for the manufacture of pigmented vitreous materials, as well as to pigmented vitreous materials, characterized by the use of soluble pigment precursors and preferably the absence of significant amounts of dispersants. These pigmented vitreous materials can be used as coloured materials for any known purposes. Soluble pigment precursors comprising a partial structure: are also claimed, wherein X1 is an aromatic or heteroaromatic ring, B is hydrogen or a group of the formula: but at least one group B is not hydrogen, and L is a solubilizing group.
摘要:
This invention relates to &agr;-ammonium ketones, iminium ketones or amidinium ketones in the form of their tetraaryl- or triarylalkylborate salts which can be photochemically converted into amines, imines or amidines as well as to a process for their preparation. This invention also relates to base-polymerisable or crosslinkable compositions comprising these &agr;-ammonium ketones, iminium ketones or amidinium ketones in the form of their tetra- or triarylalkylborate salts, to a process for carrying out photochemically induced, base-catalysed reactions as well as to their use as photoinitiators for base-catalysed reactions.
摘要:
The invention relates to organic compounds having a molecular weight of less than 1000 comprising at least one structural unit of the formula (I) in which R1 is an aromatic or heteroaromatic radical which is capable of absorbing light in the wavelength range from 200 to 650 nm and in doing so brings about cleavage of the adjacent carbon-nitrogen bond. The compounds represent photoinitiators for base-catalyzable reactions. Other subjects of the invention are base-polymerizable or crosslinkable compositions comprising compounds having a structural unit of the formula I, a method of implementing photochemically induced, base-catalyzed reactions, and the use of the compounds as photoinitiators for base-catalyzed reactions.