Process for preparing a highly concentrated aqueous press cakes of an
azo disperse dye from dilute aqueous suspension thereof wherein
surfactant is added before the dye is isolated
    1.
    发明授权
    Process for preparing a highly concentrated aqueous press cakes of an azo disperse dye from dilute aqueous suspension thereof wherein surfactant is added before the dye is isolated 失效
    从稀的水性悬浮液制备偶氮分散染料的高浓度水性压饼的方法,其中在染料分离之前加入表面活性剂

    公开(公告)号:US4785082A

    公开(公告)日:1988-11-15

    申请号:US795093

    申请日:1985-11-05

    CPC分类号: C09B67/0096 B01D37/03

    摘要: According to the invention, addition of one or more surfactants having a cloud point in aqueous solution to an aqueous suspension of an azo disperse dye gives after the isolation of the dye at a temperature above the cloud point aqueous press cakes containing a large amount of this dye.The direct processing of press cakes as obtained for example after the synthesis and isolation of azo disperse dyes to practical dispersions for use requires a minimum dye content in the press cakes. The minimum content is frequently not obtained when conventional methods of isolation are used, so that it is necessary to proceed via the indirect route of drying to obtain powders and redispersing the powders. By using the process according to the invention it is possible to cut out the costly indirect route or, if desired, to reduce the expense of drying to obtain powders by an appreciable margin.

    摘要翻译: 根据本发明,将一种或多种在水溶液中具有浊点的表面活性剂加入到偶氮分散染料的水性悬浮液中,在染料分离后,在高于含有大量这种 染料。 将合成和分离偶氮分散染料后获得的压饼直接加工成实用的分散体需要在压饼中具有最小的染料含量。 当使用常规的分离方法时,通常不能获得最小含量,因此有必要通过间接干燥途径进行获得粉末并再分散粉末。 通过使用根据本发明的方法,可以切出昂贵的间接途径,或者如果需要,可以减少干燥所需的费用,以获得明显的余量。

    Process for preparing highly concentrated aqueous press cakes of solids
    2.
    发明授权
    Process for preparing highly concentrated aqueous press cakes of solids 失效
    制备高浓缩水性固体的压饼的方法

    公开(公告)号:US4828622A

    公开(公告)日:1989-05-09

    申请号:US191808

    申请日:1988-05-05

    CPC分类号: B01D37/03 C09B67/0096

    摘要: According to the invention, addition of one or more surfactants having a cloud point in aqueous solution to an aqueous suspension of a solid gives after the isolation of the solid at a temperature above the cloud point aqueous press cakes containing a large amount of this solid. The direct processing of press cakes as obtained for example after the synthesis and isolation of dyes or pigments to give practical aqueous pastes or dispersions requires a minimum solids content in the press cakes. The minimum content is frequently not obtained when conventional methods of isolation are used, so that it is necessary to proceed via the indirect route of drying to obtain the powders and redispersing the powders. By using the process according to the invention it is possible to cut out the costly indirect route or, if desired, to reduce the expense of drying to obtain powders by an appreciable margin.

    摘要翻译: 根据本发明,将一种或多种在水溶液中具有浊点的表面活性剂加入到固体的水悬浮液中,在高于含有大量该固体的浊点水性压饼的温度下分离固体后,得到固体。 在合成和分离染料或颜料之后获得的压榨蛋糕的直接加工以产生实用的水性糊剂或分散体,需要在压榨蛋糕中具有最小的固体含量。 当使用常规的隔离方法时,通常不能获得最小含量,因此需要通过间接的干燥途径进行获得粉末并再分散粉末。 通过使用根据本发明的方法,可以切出昂贵的间接途径,或者如果需要,可以减少干燥所需的费用,以获得明显的余量。

    Polyether dispersants
    3.
    发明授权
    Polyether dispersants 失效
    聚醚分散剂

    公开(公告)号:US4450304A

    公开(公告)日:1984-05-22

    申请号:US400274

    申请日:1982-07-21

    摘要: Compounds of the formula ##STR1## in which Y denotes an aryloxy group, which is possibly substituted, R.sub.4 and R.sub.5 denote hydrogen or C.sub.1 -C.sub.4 -alkyl, m denotes 0 to 12 and Z denotes polyalkylene glycol radicals having about 8 to about 200 ethylene glycol units --(CH.sub.2 --CH.sub.2 O)-- or up to about 200 ethylene glycol units and alkylene glycol units of the formula ##STR2## in which R.sub.6 is methyl or ethyl and in which at least 8 ethylene glycol units are present. These compounds are prepared by initially reacting epoxide with a phenol or naphthol and subsequently oxalkylating. The reaction products are used as dispersants for the preparation of aqueous pigment dispersions.

    摘要翻译: 其中Y表示可以被取代的芳氧基的式(I)< IMAGE>化合物,R 4和R 5表示氢或C 1 -C 4 - 烷基,m表示0〜12,Z表示具有 约8至约200个乙二醇单元 - (CH 2 -CH 2 O) - 或至多约200个乙二醇单元和式“IMAGE”的亚烷基二醇单元,其中R 6为甲基或乙基,其中至少8个乙二醇单元为 当下。 这些化合物通过首先使环氧化物与苯酚或萘酚反应并随后进行氧烷基化来制备。 反应产物用作制备水性颜料分散体的分散剂。

    Recrystallization-resistant monoazo pigment mixtures of high tinctorial
strength, process for their preparation and their use
    7.
    发明授权
    Recrystallization-resistant monoazo pigment mixtures of high tinctorial strength, process for their preparation and their use 失效
    具有高着色强度的重结晶耐酸单偶氮颜料混合物,其制备方法及其用途

    公开(公告)号:US4474609A

    公开(公告)日:1984-10-02

    申请号:US474517

    申请日:1983-03-14

    摘要: By coupling diazotized amines of the benzene series onto acetoacetic acid arylides, in which process more than one diazo and/or coupling component is applied and from 0.1 to 20 molar % of the diazo and/or coupling component contain acid groups, and by subsequently reacting the reactive acid groups of the product obtained by coupling with cation-active quaternary compounds, recrystallization-resistant monoazo pigment mixtures are obtained which are suitable for the preparation of varnishes, printing inks, and oily and aqueous compositions.

    摘要翻译: 通过将苯系的重氮化胺偶联到乙酰乙酸芳基化合物上,其中施加多于一种的重氮和/或偶联组分,并且0.1至20摩尔%的重氮和/或偶合组分含有酸基团,并且随后使 通过与阳离子活性季铵化合物偶联获得的产物的反应性酸基,得到适用于制备清漆,印刷油墨和油性和含水组合物的重结晶耐受性单偶氮颜料混合物。

    Monoazo or disazo pigments based on (benoxazol-2-yl)- or
(benzimidazol-2-yl)-arylacetamides
    9.
    发明授权
    Monoazo or disazo pigments based on (benoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides 失效
    基于(苯恶唑-2-基) - 或(苯并咪唑-2-基) - 芳基乙酰胺的单偶氮或双偶氮颜料

    公开(公告)号:US5493011A

    公开(公告)日:1996-02-20

    申请号:US934479

    申请日:1992-11-06

    摘要: Water-insoluble azo colorants, their preparation and use The invention relates to monoazo and disazo compounds of the formula (I) ##STR1## in which D is the radical of a carbocyclic or heterocyclic diazo or bisdiazo component, R.sup.1 and R.sup.2, independently of one another, are each a substituted or unsubstituted aryl or heteroaryl radical, X.sup.1 and X.sup.2, independently of one another, are each ring-forming ether oxygen or a substituted or unsubstituted imide grouping and n has the value 0 or 1, in which rings A and B, independently of one another, can each be additionally substituted and/or carry substituted or unsubstituted fused rings.These new compounds of the formula (I) are obtained by coupling diazotized amines or diamines of the type D--NH.sub.2 or H.sub.2 N--D--NH.sub.2 with (benzoxazol-2-yl)- or (benzimidazol-2-yl)-arylacetamides.Depending on the presence and length of alkyl chains, the compounds of the formula (I) are suitable for use as pigments, disperse dyes or oil-soluble dyes.

    摘要翻译: 水不溶性偶氮着色剂及其制备和用途本发明涉及式(I)的单偶氮和双偶氮化合物,其中D是碳环或杂环重氮或双重重氮组分的基团,R1和R2, 彼此独立地为取代或未取代的芳基或杂芳基,X 1和X 2彼此独立地为成环醚氧或取代或未取代的酰亚胺基,n为0或1,其中 环A和B彼此独立地可以各自另外被取代和/或携带取代或未取代的稠合环。 式(I)的这些新化合物是通过将(重氮化的胺或D-NH 2或H 2 N-D-NH 2的二胺与(苯并恶唑-2-基) - 或(苯并咪唑-2-基) - 芳基乙酰胺偶合而获得的。 根据烷基链的存在和长度,式(I)的化合物适合用作颜料,分散染料或油溶性染料。