公开(公告)号：US3910875A

公开(公告)日：1975-10-07

申请号：US32124273

申请日：1973-01-05

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG ,  RIBKA JOACHIM

IPC: C09B35/039 ,  C09B35/18 ,  C09B33/12 ,  D06P1/04

CPC classification number: C09B35/18

Abstract: Disazo pigment of the general formula

wherein X and Y represent hydrogen or halogen atoms, preferably chlorine atoms, alkyl groups, preferably methyl groups, alkoxy groups, preferably methoxy and ethoxy groups, or nitro groups, R represents benzoyl, hexahydrobenzoyl, alkanoyl, alkylsulfonyl, phenylacetyl, arylsulfonyl, aralkylsulfonyl, alkylcarbamoyl, arylcarbamoyl, alkylthiocarbamoyl or arylthiocarbamoyl groups and R1 represents a hydrogen atom or a phenyl ring which may be substituted by 1 - 3 alkyl, alkoxy, halogen or nitro groups and a process for preparing them which comprises bisdiazotizing diamines of the general formula

AND COUPLING THEM WITH 2 MOLES OF A PYRAZOLONE DERIVATIVE OF THE FORMULA

The new pigment pigments are suitable for the coloring of printing pastes, color lakes and dispersion paints, for the dyeing of plastics and natural resins or artificial resins, such as polymerization or condensation resins. They are furthermore suitable for the pigment printing on a substrate, especially on textile fibers. They may be used for the dyeing of artificial silk made from viscose or cellulose ethers or esters, polyamides, polyurethanes, polyglycol terephthalates or polyacrylonitrile in the spinning mass or for the dyeing of paper. The new pigments have extremely high tinctorial strengths with mostly very pure shades.

Abstract translation: 通式RHN的双偶氮颜料---- N = N平行| N |角N并行O | R1（1）N = N ----- NHR |并行| N并联角| R1其中X和Y 代表氢或卤素原子，优选氯原子，烷基，优选甲基，烷氧基，优选甲氧基和乙氧基或硝基，R表示苯甲酰基，六氢苯甲酰基，烷酰基，烷基磺酰基，苯乙酰基，芳基磺酰基，芳烷基磺酰基，烷基氨基甲酰基，芳基氨基甲酰基， 烷基硫代氨基甲酰基或芳硫基氨基甲酰基，R 1表示氢原子或可被1-3烷基，烷氧基，卤素或硝基取代的苯环及其制备方法，其包括双重重氮化通式的二胺和与2摩尔 吡唑啉酮衍生物CH2-C-NH-R | PARALLEL CN平行角| R1新颜料颜料适用于印染浆料，色淀和分散体涂料的着色，用于染色 塑料和天然树脂或人造树脂，例如聚合或缩合树脂。 它们还适用于在基材上，特别是纺织纤维上的颜料印刷。 它们可用于染色由纺粘物质或染色纸中的粘胶或纤维素醚或酯，聚酰胺，聚氨酯，聚对苯二甲酸乙二醇酯或聚丙烯腈制成的人造丝。

公开(公告)号：EP0205604A1

公开(公告)日：1986-12-30

申请号：EP86900660

申请日：1985-12-12

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG ,  HAFNER OTMAR

IPC: B05D7/24 ,  C08J3/22 ,  C08K5/22 ,  C08K5/23 ,  C08K9/04 ,  C08K9/08 ,  C08K9/10 ,  C09B67/00 ,  C09B67/08 ,  C09B67/10 ,  C09B67/20 ,  C09D7/00 ,  C09D7/12 ,  C09D17/00

CPC classification number: C09B67/0013 ,  C08K5/23 ,  C09B67/0015 ,  C09B67/0063 ,  C09D7/41 ,  C09D17/003 ,  Y10T428/2998

Abstract: Des pigments azoïques pulvérulents ayant des propriétés rhéologiques améliorées sont utilisés dans des systèmes de laquage à base d'alkyde/mélamine, d'acrylique/mélamine, d'acrylate/isocyanate ou de polyester/isocyanate de type conventionnel ainsi que du type plus moderne des ''high solids'' sur lesquels on applique, avant, pendant ou après le finissage, d'un à 20% en poids de la substance active d'un additif de laquage de la série des polyuréthanes produit en faisant réagir des polyisocyanurates comportant encore des groupes isocyanates libres et à base de toluylène-diisocyanate, d'héxaméthylènediisocyanate ou de mélanges de ceux-ci avec (1) des esters d'acides de mono- ou polyhydroxycarboniques aliphatiques d'un alkyl de C1 à C20 (avec un degré de polycondensation compris entre 2 et 50), (2) des polyéthylèneglycols (avec un poids molaire compris entre 500 et 1500) et (3) des hétérocycliques saturés ou insaturés à 5 ou 6 membres contenant au moins un atome d'azote dans la chaîne et des groupes réactifs d'aminoalcoyle-C1-C6 ou d'hydroxyalcoyle-C1-C6, jusqu'à la disparition de tous les groupes isocyanates. L'invention porte également sur leur production et leur utilisation comme colorants de systèmes de laquage.

公开(公告)号：BR9007461A

公开(公告)日：1992-06-16

申请号：BR9007461

申请日：1990-06-16

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG

IPC: C09B41/00 ,  C09D7/12 ,  C09D11/00 ,  C09D11/02 ,  C09D17/00 ,  C09D11/16 ,  C08K5/23 ,  G03G9/08 ,  B41M5/26 ,  B05D7/26

Abstract: PCT No. PCT/EP90/00955 Sec. 371 Date Feb. 21, 1992 Sec. 102(e) Date Feb. 21, 1992 PCT Filed Jun. 16, 1990 PCT Pub. No. WO90/15844 PCT Pub. Date Dec. 27, 1990.The production which is customary in practice of monoazo compounds based on dichloro- and trichloroanilines or disazo compounds of the chlorinated biphenyl series by conventional coupling methods meets with difficulties in that the resulting pigments are contaminated by traces of polychlorinated biphenyls. According to the invention, it has now been found that by addition of water-soluble olefins of the type (R =H, alk or Oalk; X =-COOR1, -CONHR2 or -NR3COR4) in the azo coupling, the side reactions which form PCBs can be decidedly suppressed during synthesis of the pigments.

公开(公告)号：AU613121B2

公开(公告)日：1991-07-25

申请号：AU2636788

申请日：1988-11-30

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG

IPC: G03G9/09 ,  A61K8/18 ,  A61Q1/02 ,  B41M5/00 ,  C09B29/01 ,  C09B29/32 ,  C09B41/00 ,  C09B67/14 ,  C09B67/20 ,  C09B67/54 ,  D06P5/00 ,  C09B29/00

Abstract: The invention relates to monoazo pigments prepared from dichloroanilines as diazo components and CH-acidic coupling components of the acetoacetarylamide or naphthol series, these pigments only containing an extremely low level of polychlorinated biphenyls (PCBs) (at most 25 mu g per g of pigment). The process for preparing the pigments takes the form of an azo coupling in an aqueous medium, wherein a) azo coupling is effected by adding the diazonium salt solution to a suspension or solution of the coupling component or by simultaneously metering the aqueous suspensions or solutions of the diazonium salt and of the coupling component into the reaction mixture, b) azo coupling is effected at a pH or within a pH range of less than pH 7 and b1) between pH 4 and 7 during and after azo coupling less than 0.05 mol-%, b2) at pH 2 to 4 during azo coupling less than 5 mol-%, and b3) at pH

公开(公告)号：DK152583C

公开(公告)日：1988-09-19

申请号：DK318882

申请日：1982-07-15

Applicant: HOECHST AG

Inventor： HUNGER KLAUS ,  RIEPER WOLFGANG

IPC: C09B67/10 ,  C09B67/36

Abstract: The invention relates to a process for improving the application properties of Pigment Yellow 13. The crude pigment is heated in an aqueous suspension to temperatures above 100 DEG C. Pigment Yellow 13 thus obtained is particularly suitable for replacing lead-containing chrome yellow pigments of comparable shade.

公开(公告)号：DK152583B

公开(公告)日：1988-03-21

申请号：DK318882

申请日：1982-07-15

Applicant: HOECHST AG

Inventor： HUNGER KLAUS ,  RIEPER WOLFGANG

IPC: C09B67/10

Abstract: The invention relates to a process for improving the application properties of Pigment Yellow 13. The crude pigment is heated in an aqueous suspension to temperatures above 100 DEG C. Pigment Yellow 13 thus obtained is particularly suitable for replacing lead-containing chrome yellow pigments of comparable shade.

公开(公告)号：CA1028691A

公开(公告)日：1978-03-28

申请号：CA190518

申请日：1974-01-18

Applicant: HOECHST AG

Inventor： RIBKA JOACHIM ,  RIEPER WOLFGANG

IPC: C09D7/00 ,  C09B43/00 ,  C09B67/54 ,  C09D7/12

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 DEG to 80 DEG 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.

公开(公告)号：IN140885B

公开(公告)日：1977-01-01

申请号：IN1613CA1974

申请日：1974-07-19

Applicant: HOECHST AG

Inventor： KUNSTMANN WALTER ,  RIEPER WOLFGANG

IPC: C08K5/00 ,  C08K5/22 ,  C08L1/00 ,  C08L27/00 ,  C08L67/00 ,  C09B29/33 ,  C09B67/10 ,  C09D7/00 ,  C09D7/12 ,  C09B29/34

公开(公告)号：DE59006073D1

公开(公告)日：1994-07-14

申请号：DE59006073

申请日：1990-06-16

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG

IPC: C09B41/00 ,  C09D7/12 ,  C09D11/00 ,  C09D11/02

Abstract: PCT No. PCT/EP90/00955 Sec. 371 Date Feb. 21, 1992 Sec. 102(e) Date Feb. 21, 1992 PCT Filed Jun. 16, 1990 PCT Pub. No. WO90/15844 PCT Pub. Date Dec. 27, 1990.The production which is customary in practice of monoazo compounds based on dichloro- and trichloroanilines or disazo compounds of the chlorinated biphenyl series by conventional coupling methods meets with difficulties in that the resulting pigments are contaminated by traces of polychlorinated biphenyls. According to the invention, it has now been found that by addition of water-soluble olefins of the type (R =H, alk or Oalk; X =-COOR1, -CONHR2 or -NR3COR4) in the azo coupling, the side reactions which form PCBs can be decidedly suppressed during synthesis of the pigments.

公开(公告)号：MX14002A

公开(公告)日：1993-07-01

申请号：MX1400288

申请日：1988-11-30

Applicant: HOECHST AG

Inventor： RIEPER WOLFGANG

IPC: G03G9/09 ,  A61K8/18 ,  A61Q1/02 ,  B41M5/00 ,  C09B29/01 ,  C09B29/32 ,  C09B41/00 ,  C09B67/14 ,  C09B67/20 ,  C09B67/54 ,  D06P5/00 ,  A61K7/021

Abstract: The invention relates to monoazo pigments prepared from dichloroanilines as diazo components and CH-acidic coupling components of the acetoacetarylamide or naphthol series, these pigments only containing an extremely low level of polychlorinated biphenyls (PCBs) (at most 25 mu g per g of pigment). The process for preparing the pigments takes the form of an azo coupling in an aqueous medium, wherein a) azo coupling is effected by adding the diazonium salt solution to a suspension or solution of the coupling component or by simultaneously metering the aqueous suspensions or solutions of the diazonium salt and of the coupling component into the reaction mixture, b) azo coupling is effected at a pH or within a pH range of less than pH 7 and b1) between pH 4 and 7 during and after azo coupling less than 0.05 mol-%, b2) at pH 2 to 4 during azo coupling less than 5 mol-%, and b3) at pH