摘要:
The invention relates to a pigment composition that is composed of compounds of formulas (I), (II) and (III), is characterized by a average particle size d50 ranging from 10 to 60 nm, less than 5% by volume of the particles being greater than 70 nm, and can be obtained by reacting of 1 mol of a succinic acid diester with 2 mol of a mixture of nitriles A-CN and B-CN nitriles, the molar ratio of A-CN and B-CN in the nitrile mixture being in the range from 99.5:0.5 to 85.0:15.
摘要:
The invention relates to a pigment composition that is composed of compounds of formulas (I), (II) and (III), is characterized by a average particle size d50 ranging from 10 to 60 nm, less than 5% by volume of the particles being greater than 70 nm, and can be obtained by reacting of 1 mol of a succinic acid diester with 2 mol of a mixture of nitriles A-CN and B-CN nitriles, the molar ratio of A-CN and B-CN in the nitrile mixture being in the range from 99.5:0.5 to 85.0:15.
摘要:
The invention provides a pigment preparation comprising (a) C.I. Pigment Red 254 with an average particle size d50 of not more than 100 nm; (b) 0.1% to 30% by weight, based on the weight of the PR 254, of one or more dispersants from the group of the unlaked sulfo-containing monoazo dyes; and (c) 0.1% to 30% by weight, based on the weight of the PR 254, of a basic pigment dispersant of the formula (V)
摘要:
The invention relates to a pigment preparation, characterized in that it contains C.I. Pigment Red 254 with an average particle size of 20 to 100 nm and at least one pigment dispersant of the formula (II) or (III). In said formulaes, Q2, s, n, R3, R4, E+ and G+ are as defined in the specification. A represents a bivalent group —O—, —NR3—, —NR16— SO3−G+, B represents a bivalent group —NR16—SO3−G+ and Q represents an organic pigment group, selected from the group consisting of C.I. Pigment Red 264 and C.I. Pigment Violet 19.
摘要:
The invention relates to novel triphendioxazine pigments of formula (I) wherein X represents hydrogen or chlorine, while R1 represents phenyl substituted by one to five radicals from the group comprising C1-C4-alkyl, halogen, C1-C4-alkoxy, acetylamino, aminocarbonyl, methylaminocarbonyl and C1-C4-alkoxycarbonyl, or phenyl annelated in the 2,3- or 3,4- with a divalent radical of the formula —NH—(CO)m—NR2—, —CR2═CH—CO—NH—, —CR2═N—CO—NH—, —CO—NH—CO—NR2—, —CO—(NH)m—CO— or —O—(CO)m—NH— so as to form a five- or six-membered ring, R2 representing hydrogen, methyl, ethyl or phenyl and m representing 1 or 2.
摘要:
A process for preparing C.I. Pigment Red 254 having an average particle size (d50) of 10 to 120 nm, and a half-width of the peak at 28.3° 2Theta of between 0.2 to 0.7° 2Theta in the X-ray powder diffractogram obtained using CU-Kalpha radiation, includes milling of a crystalline raw product of C.I. Pigment Red 254 in a liquid medium under the action of a grinding medium, in a ball-mill agitator, which is operated with a power density of more than 1.0 kW per litre grinding chamber and an agitator peripheral speed of more than 12 m/s.
摘要翻译:一种制备C.I. 平均粒度(d50)为10〜120nm的颜料红254以及使用CU-Kalpha辐射获得的X射线粉末衍射图中的28.3°2θ处的峰的半峰宽在0.2〜0.7°2θ之间, 包括研磨CI的结晶原始产物 颜料红254在研磨介质的作用下在液体介质中,在球磨机搅拌器中,其功率密度大于1.0kW /升研磨室和搅拌器圆周速度大于12m / s 。
摘要:
The invention relates to novel triphendioxazine pigments of formula (I) wherein X represents hydrogen or chlorine, while R1 represents phenyl substituted by one to five radicals from the group comprising C1-C4-alkyl, halogen, C1-C4-alkoxy, acetylamino, aminocarbonyl, methylaminocarbonyl and C1-C4-alkoxycarbonyl, or phenyl annelated in the 2,3- or 3,4- with a divalent radical of the formula —NH—(CO)m—NR2—, —CR2═CH—CO—NH—, —CR2═N—CO—NH—, —CO—NH—CO—NR2—, —CO—(NH)m—CO— or —O—(CO)m—NH— so as to form a five- or six-membered ring, R2 representing hydrogen, methyl, ethyl or phenyl and m representing 1 or 2.
摘要:
A process for warpage-free pigmentation of a plastic pigmented by a phthalocyanine pigment which was heated to not less than 80° C. as a suspension in a organic solvent in the presence of a carboxylic acid containing 2, 3 or 4 carboxyl groups or a salt of such a carboxylic acid.
摘要:
The invention relates to novel fine-particle pigment preparations comprising fine-particle C.I. Pigment Blue 15:6 as a base pigment and pigment dispersants of formula (II) wherein CPC is a radical of a copper phthalocyanine, n is a number between 0.1 and 4, preferably between 0.2 and 2; m is number between 0.1 and 4, preferably 0.2 and 2; Kat is a cation from the group of alkali metals or H+; o is a number between 0 and 3.9, preferably between 0 and 1.8; and n=m+o; and R1, R2, R3, R4 independently represent hydrogen or a radical from the group comprising C1-C20 alkyl, C2-C20alkenyl, C5-C20cycloalkyl, C5-C20cycloalkenyl, C1-C4 alkylphenyl, the previously cited radicals being optionally branched and optionally substituted by sulf-, carboxy, hydroxy and halogen, with the proviso that one, two or three of the radicals R1 to R4 is/are hydrogen. The invention also relates to the method for producing said pigment preparations.
摘要:
The invention relates to a process for aftertreating organic pigments which comprises heating the unground or ground organic crude pigment in water and/or organic solvents by means of microwave irradiation, under pressure if desired, so that the mass temperature of the mixture reaches 30 to 250° C.