摘要:
The invention relates to a composition for producing a heat-insulating coating comprising at least one radiation-absorbing compound and at least one IR-reflector component, to a heat-insulating coating comprising this oriented, cured composition, and to a process for producing said coating.
摘要:
The present invention relates to a process for preparing dye-comprising aqueous polymer dispersions by free-radical aqueous emulsion polymerization of ethylenically unsaturated monomers in the presence of free-radical initiators, in which at least some of the monomers are employed in the form of an oil-in-water emulsion E1 whose disperse phase comprises at least one oil-soluble dye, wherein the disperse phase of E1 is formed essentially of dye-comprising monomer droplets having a diameter
摘要:
1,7-Disubstituted perylene-3,4,9,10-tetracarboxylic dianhydrides I and perylere-3,4,9,10-tetracarboxylic acids Ia ##STR1## where L.sup.1, L.sup.2 independently of one another are 1,2-ethylene, 1,2-ethenylene and 1,2-ethynylene, andR.sup.1, R.sup.2 independently of one another are hydrogen or substituted or unsubstituted C.sub.1 -C.sub.30 -alkyl,their preparation and use as pigments, laser dyes and precursors for preparing fluorescent dyes, polymeric colorants, pigments and pigment additives, and also 1,7-disubstituted perylene-3,4,9,10-tetracarboxylic diimides (VI) as their intermediates.
摘要:
The current invention relates to a perylene-3,4-dicarboxylic anhydride, substituted in the 9-position, of the general formula III wherein Z is bromine or cyano, and processes for preparing 9-bromoperylene-3,4-dicarboxylic anhydride and 9-cyanoperylene-3,4-dicarboxylic anhydride.
摘要:
Rylene derivatives of the general formula I where the variables have the following meanings: R is hydrogen or substituted or unsubstituted C1-C30-alkyl, aryl or hetaryl; R1 is hydrogen or bromine; R2 is hydrogen or C1-C6-alkyl; R3 is hydrogen, C1-C18-alkyl or substituted or unsubstituted aryl or hetaryl; and n is 2 or 3.
摘要:
A process for converting perylene-3,4:9,10-tetracarboximides of the general formula I in which R1 and R2 are each unbranched, branched or cyclic C1-C8-alkyl to a form suitable for use as fluorescent dyes, which comprises a) dissolving or suspending the perylene-3,4:9,10-tetracarboximides in an organic or inorganic solvent whose molecules have a molecular volume of ≦230 Å3 at from 0 to 250° C., b1) cooling the solution obtained in step a) to or below the crystallization temperature and, in the case of an organic solvent, if desired at the same time removing excess solvent until the first crystals form, or, in the case of an inorganic solvent, adding water or dilute aqueous solutions of the solvent until the first crystals form, and maintaining the solution at this temperature for further crystallization or b2) cooling the suspension obtained in step a) to or below the crystallization temperature when the temperature in step a) was above the crystallization temperature, and maintaining the suspension at this temperature for further crystallization, c) isolating the solvate crystals formed in step b) and d) then removing the solvent from the solvate crystals, and also novel crystalline forms of perylene-3,4:9,10-tetracarboxylic diimides.
摘要:
The invention relates to 1,6,9,14-tetrasubstituted terrylene tetracarboxylic acid diimides of general formula (I), in which the variables are defined as follows: X, Y independently of one another represent bromium; cyano; aryloxy, arylthio, hetaryloxy or hetarylthio, which can respectively be mono- or polysubstituted by C1-C12 alkyl, C1-C12 alkoxy, —COOR1, —SO3R1, halogen, hydroxy, carboxy, cyano, —CONHR2 and/or —NHCOR2; a group of formula -L-R3; a group of formula —NR22; R, R′ independently of one another represent hydrogen; C1-C30 alkyl, whose carbon chain can be interrupted by one or more groupings —O—, —S—, —NR1—, —CO— and/or —SO2— and which can be mono- or polysubstituted by cyano, C1-C6 alkoxy, aryl, which may be substituted by C1-C18 alkyl or C1-C6 alkoxy and/or a 5- to 7-membered heterocyclic group that is bonded by means of a nitrogen atom and that can contain additional heteroatoms and be aromatic; C5-C8 cycloalkyl, whose carbon skeleton can be interrupted by one or more groupings —O—, —S— and/or —NR1— and/or which can be mono- or polysubstituted by C1-C6 alkyl; aryl or hetaryl, which can be mono- or polysubstituted by C1-C18 alkyl, C1-C6 alkoxy, cyano, —CONHR2, —NHCOR2 and/or aryl- or hetarylazo, which can be respectively substituted by C1-C10 alkyl, C1-C6 alkoxy or cyano; and L represents 1,2-ethylene, 1,2-ethenylene or 1,2-ethynylene.
摘要:
A N,N'-dimethylperylene-3,4,9,10-tetracarboxylic diimide pigment suitable for aqueous basecoats is obtainable by coating the diimide, suspended in an aqueous medium, with a carboxyl-carrying resin in the presence of 3,4-dicarboximidoperylene-9-sulfonic acid or salts thereof and with a C.sub.8 -C.sub.8 -alkyl- or-alkenylamine, isolating and drying the coated dimide and then subjecting it to dry milling.
摘要:
The invention relates to thermoplastic molding compositions comprising (A) from 34 to 99.99% by weight of at least one thermoplastic polymer selected from (i) polyarylene ethers, (ii) polyetherimides, (iii) polyarylene sulfides, and (iv) polycarbonates with glass transition temperature of at least 145° C., or else copolymers of the abovementioned polymers (i) to (iv), (B) from 0.01 to 10% by weight of at least one organic black pigment which is transparent in the range from 1000 nm to 1600 nm and which has thermal stability up to at least 300° C. to DIN EN 12877-1, (C) from 0 to 6% by weight of at least one mold-release agent selected from fatty acids, or from esters and amides, (D) from 0 to 50% by weight of one or more additives, where the total of the % by weight figures from (A), (B), (C) and (D) gives 100% by weight. The invention further relates to a process for preparation of the thermoplastic molding compositions, and to the moldings obtainable therefrom. Finally, the invention relates to the use of the thermoplastic molding compositions for reducing heat accumulation in plastics components, moldings, foils, or membranes.
摘要翻译:本发明涉及热塑性模塑组合物,其包含(A)34至99.99重量%的至少一种热塑性聚合物,其选自(i)聚亚芳基醚,(ii)聚醚酰亚胺,(iii)聚亚芳基硫醚,和(iv)具有玻璃的聚碳酸酯 转化温度至少为145℃,或者上述聚合物(i)至(iv),(B)的共聚物为0.01至10重量%的至少一种有机黑色颜料,其透明度为1000 nm至1600nm,并且根据DIN EN 12877-1,(C)具有至多300℃的热稳定性,0至6重量%的至少一种选自脂肪酸的脱模剂或来自酯的脱模剂 和(A),(B),(C)和(D)的重量%的总重量为100重量%的(D)0〜50重量%的一种或多种添加剂。 本发明还涉及一种制备热塑性模塑组合物的方法以及由其获得的模制品。 最后,本发明涉及热塑性模塑组合物用于减少塑料部件,模制品,箔或膜中的热积聚的用途。
摘要:
Use of luster pigments based on a platelet-shaped metallic substrate coated with a low refractive dielectric layer which does not absorb visible light, for pigmenting macromolecular materials.