Novel form of the disazo pigment from bisdiazotized
3,3'-dichlorobenzidine and 1-(p-tolyl)-3-methylpyrazol-5-one
    1.
    发明授权
    Novel form of the disazo pigment from bisdiazotized 3,3'-dichlorobenzidine and 1-(p-tolyl)-3-methylpyrazol-5-one 失效
    双重重氮化的3,3 {40-二氯联苯胺和1-(对甲苯基)-3-甲基吡唑-5-酮的双偶氮颜料的新形式

    公开(公告)号:US3980635A

    公开(公告)日:1976-09-14

    申请号:US616250

    申请日:1975-09-24

    CPC classification number: C09B67/0015 C09B35/18

    Abstract: A highly covering disazo pigment having the chemical constitution ##SPC1##Which is characterized by a specific surface of 12 - 30, preferably 15 to 25, m.sup.2 /g, a maximum of the grain size distribution of between 250 and 500 nm and a proportion of these grain sizes in the total distribution of 35 - 65 percent, preferably 45 - 60 percent. This new pigment form is obtained by heating the pigment obtained after coupling with a solvent which is immiscible with water or miscible with water to a limited degree only to temperatures above 100.degree.C.

    Abstract translation: 具有化学结构的高度覆盖的双偶氮颜料,其特征在于表面特性为12-30,优选为15至25,M2 / G,250和500nm之间的粒度分布的最大值以及这些颗粒尺寸的比例 总共分配35 - 65%,优先选择45 - 60%。 通过将与水不混溶的溶剂偶联后获得的颜料与水混合获得的新颜料形式通过加热至限于100℃以上的温度而获得。

    Modified form of a disazo pigment
    2.
    发明授权
    Modified form of a disazo pigment 失效
    改性形式的双偶氮颜料

    公开(公告)号:US3974136A

    公开(公告)日:1976-08-10

    申请号:US434039

    申请日:1974-01-17

    CPC classification number: C09B35/105 C09B67/0015

    Abstract: The disazo pigment of the formula ##SPC1##Characterized by a specific surface of 12 - 20, preferably 13 - 18 m.sup.2 /g, a maximum of the distribution of the grain sizes of between 500 and 1000 nm and a proportion of these grain sizes in the total distribution of between 35 and 65 %. This disazo pigment is obtained by isolating the pigment, after coupling, by stirring it out with alkali and, after having filtered it and washed it to neutrality, heating it to temperatures above 100.degree. C in a mixture of water and a solvent which is immiscible with water or miscible with water to a limited degree only.

    Abstract translation: 由12 - 20特定表面表征的配方的双偶氮颜料,优选13 - 18 M2 / G,最大分配500和1000 NM之间的颗粒尺寸,以及总分布中这些颗粒尺寸的比例 35%至65%之间。 这种双偶氮颜料是通过在偶联后通过将其与碱反应来分离颜料而获得的,并且在将其过滤并将其洗涤至中性后,将其加热至高于100℃的水和溶剂的混合物中,所述混合物是不混溶的 用水或与水混合在一定程度上。

    Azo pigment having improved hiding power and a process for its
preparation
    3.
    发明授权
    Azo pigment having improved hiding power and a process for its preparation 失效
    具有改善遮盖力的偶氮颜料及其制备方法

    公开(公告)号:US4476052A

    公开(公告)日:1984-10-09

    申请号:US357287

    申请日:1982-03-11

    CPC classification number: C09B67/0015

    Abstract: Process for the aftertreatment of the azo pigment of the formula ##STR1## C.I. PIGMENT ORANGE 36 wherein the crude pigment obtained after coupling is heated to temperatures from 100.degree. to 150.degree. C. in dry or wet condition in a solvent which is water-immiscible or not indefinitely water-miscible and the pigment is isolated in known manner. The pigment aftertreated in this way shows substantially improved hiding power while the same pigment prepared in the usual way has poor hiding power and can not be used in stoving lacquers.

    Abstract translation: 后处理式(Ⅰ)的偶氮颜料的方法 颜料橙36,其中将偶联后获得的粗颜料在干燥或潮湿条件下在100℃至150℃的温度下在与水不混溶的溶剂中或不是无限期地与水混溶的溶剂中加热,并以已知方式分离颜料。 以这种方式处理的颜料显示出显着改善的遮盖力,而以通常方式制备的相同颜料具有差的遮盖力并且不能用于烘烤漆中。

    Process for the purification of azo pigments by stirring an aqueous,
alkaline suspension of crude pigment
    4.
    发明授权
    Process for the purification of azo pigments by stirring an aqueous, alkaline suspension of crude pigment 失效
    通过搅拌粗品颜料的水性碱性悬浮液来纯化偶氮颜料的方法

    公开(公告)号:US4124582A

    公开(公告)日:1978-11-07

    申请号:US616668

    申请日:1975-09-25

    CPC classification number: C09B67/0096

    Abstract: A process for the purification of azo pigments, wherein the crude pigment is stirred for some time in an aqueous alkaline suspension in a pH range from 9 to 12, preferably from 11 to 12, at temperatures between 20.degree. to 80.degree. C and subsequently the crude pigment is filtered off and washed neutral. The pigments treated by this process show a clearer and more brilliant shade and are faster to bleeding when incorporated, for example, into a thermoplastic material than the untreated pigments.

    Abstract translation: 纯化偶氮颜料的方法,其中将粗颜料在pH范围为9至12,优选11至12的水性碱性悬浮液中在20至80℃的温度下搅拌一段时间,随后将其 将粗颜料滤出并洗涤中性。 通过该方法处理的颜料显示出更清晰和更亮的色调,并且当结合到例如比未处理的颜料的热塑性材料中时更快地渗色。

    Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to heat
    5.
    发明授权
    Quinolino-azo-aceto-acetylaminobenzimidazolone pigments fast to heat 失效
    喹诺酮偶氮乙酰氨基苯并咪唑酮颜料快速加热

    公开(公告)号:US3985725A

    公开(公告)日:1976-10-12

    申请号:US558955

    申请日:1975-03-17

    Abstract: Monoazo dyestuffs of the formula ##SPC1##Wherein R.sub.1, R.sub.2 and R.sub.3 are identical or different and are hydrogen, alkyl or alkoxy, preferably having 1 to 2 carbon atoms, or halogen, especially chlorine, X is hydrogen or halogen, preferably chlorine and A is acetoacetyl or and a process for preparing them by coupling diazotized amines of the general formula ##SPC2##With coupling components of the formula ##SPC3##Where R.sub.1, R.sub.2, R.sub.3, X and A have the above meaning. These new pigments may be used for dyeing and printing of material or synthetic materials. They have good fastness properties, especially an improved fastness to heat.

    Abstract translation: 优选具有1至2个碳原子的氢,烷基或烷氧基,或卤素,特别是氯,X是氢或卤素,优选氯,A是乙酰乙酰基或 以及通过将通式的重氮化胺与式R1,R2,R3,X和A的结合成分结合起来具有上述含义来制备它们的方法。 这些新颜料可用于材料或合成材料的染色和印刷。 它们具有良好的牢度,特别是耐热牢度提高。

    Modified form of disazo pigment CI 20040
    6.
    发明授权
    Modified form of disazo pigment CI 20040 失效
    双偶氮颜料CI 20040的改性形式

    公开(公告)号:US4048152A

    公开(公告)日:1977-09-13

    申请号:US631122

    申请日:1975-11-11

    CPC classification number: C09B33/153 C09B67/0015

    Abstract: A form of the disazo pigment C.I. 20040 having the formula 30% of ##STR1## IS SHOWN HAVING IMPROVED COVERING POWER, IMPROVED FLUIDITY IN LACQUER SYSTEMS AND HIGH LUSTER, WHICH IS CHARACTERIZED BY A SPECIFIC SURFACE OF 10 - 20, PREFERABLY 12 - 17 M.sup.2 /G AND A MAXIMUM IN GRAIN DIAMETER DISTRIBUTION BETWEEN 500 AND 1000 NM, AT LEAST 30 % OF ALL GRAINS HAVING A DIAMETER OF FROM 500 TO 1000 NM AND LESS THAN 25% OF ALL GRAINS HAVING A DIAMETER OR MORE THAN 1000 NM. This new pigment is obtained by isolating the pigment, after coupling, by stirring it out with alkali and, after having filtered it off and washed until neutrality, heating it to temperatures above 100.degree. C with an organic solvent which is immiscible with water or miscible with water to a limited degree only.

    Abstract translation: 一种形式的双偶氮颜料C.I. 具有“IMAGE”+ TR 的30%的公式的20040具有改进的覆盖功率,改进的LACQUER系统和高LUSTER中的流体特性,其特征在于10-20,优选12-17Mb / G 并且在500和1000NM之间的最大粒度分布中,至少30%的所有颗粒具有500至1000N的直径,并且具有直径大于或等于1000Nm的所有颗粒的25%。 这种新颜料是通过在偶联后通过将其与碱反应来分离颜料得到的,并且在将其过滤并洗涤至中性之后,用与水混溶的有机溶剂加热至高于100℃, 水仅在有限的程度。

    Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments
    7.
    发明授权
    Dichloro-phenyl-azo-acetoacetylamino-benzimidazolone pigments 失效
    二氯 - 苯基 - 偶氮 - 乙酰乙酰氨基 - 苯并咪唑酮颜料

    公开(公告)号:US4195020A

    公开(公告)日:1980-03-25

    申请号:US15603

    申请日:1979-02-23

    CPC classification number: C09B29/338

    Abstract: A pigment of the formula ##STR1## wherein R.sub.1 is hydrogen, chlorine or methyl and R.sub.2 is hydrogen or methyl. These pigments have a high color strength, fastness to overvarnishing, fastness to migration and fastness to light and weathering. They can be used in all fields in which pigments are used as coloring material, especially for the coloring of lacquers with metal-effect.

    Abstract translation: 式IMA的颜料,其中R 1是氢,氯或甲基,R 2是氢或甲基。 这些颜料具有高的着色力,耐擦洗性,耐迁移性和耐光性和耐候性。 它们可用于所有使用颜料作为着色材料的领域,特别是用于具有金属效果的漆的着色。

    Process for the manufacture of aromatic sulphonic acid esters of
aromatic amino-hydroxy compounds
    9.
    发明授权
    Process for the manufacture of aromatic sulphonic acid esters of aromatic amino-hydroxy compounds 失效
    芳香族氨基 - 羟基化合物的芳香族磺​​酸酯的制造方法

    公开(公告)号:US4158670A

    公开(公告)日:1979-06-19

    申请号:US879852

    申请日:1978-02-22

    CPC classification number: C07C303/28

    Abstract: A process for the manufacture of esters of aromatic sulphonic acids and aromatic aminohydroxy compounds, of the formula Ih.sub.2 n--a--o--so.sub.2 --b (i)comprising reacting an aromatic aminohydroxy compound of the formula IIh.sub.2 n--a--oh (ii)having a pK.sub.a value of from 8.5 to 10.1, with a sulphochloride of the formula IIIcl--SO.sub.2 --B (III)whereinA is phenylene, substituted phenylene, naphthylene or substituted naphthylene,B is phenyl, substituted phenyl, naphthyl or substituted naphthyl, and both A and B are free from --COOH and --SO.sub.3 H substituents;The reaction taking place in a reaction medium consisting essentially of water and a water-immiscible organic solvent for the sulphochloride,At a temperature of from 0.degree. to 95.degree. C., at a pH which is determined from and associated with the pK.sub.a value of said aromatic aminohydroxy compound of formula II by the equationpK.sub.a -pH=0.5 to -1.5, and in the presence of a phase transfer catalyst.

    Abstract translation: 制备式I H 2 N-AO-SO 2 -B(I)的芳族磺酸和芳族氨基羟基化合物的酯的方法,包括使具有式II的芳族氨基羟基化合物H 2 N-A-OH(II) 其中A为亚苯基,取代亚苯基,亚萘基或取代亚萘基,B为苯基,取代的苯基,萘基或取代的萘基,并且两者均为 A和B不含-COOH和-SO 3 H取代基; 在pH为0〜95℃的温度下,在由碱性水溶液组成的反应介质中进行反应和在硫酸盐的水不溶性有机溶剂中反应,其pH值由pKa值 所述式II的芳族氨基羟基化合物通过PKa-pH = 0.5至-1。

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