公开(公告)号：DE4225357A1

公开(公告)日：1994-02-03

申请号：DE4225357

申请日：1992-07-31

Applicant: BASF AG

Inventor： HETZENEGGER JOSEF DR ,  SCHMID RAIMUND DR

IPC: A61K8/11 ,  A61Q1/02 ,  C09B63/00 ,  C09B67/00 ,  C09B69/06 ,  C09C1/00 ,  C09C3/08 ,  C09D5/36 ,  C09D11/037 ,  C09B67/42 ,  C08K9/00 ,  C09B67/08 ,  C09B67/20 ,  C09D17/00

Abstract: Lustrous pigment (I) is based on a flaky substrate (II) coated with basic organic colourant of the formula: F-(Z-X)m (III); where F= an n-valent colourant radical; Z= a bridging gp; X= a basic gp; and m= 1-4. (II) consists of silicate-type flakes coated with metal oxide and opt and adhesion promoter. USE/ADVANTAGE - (I) is used for colouring lacquers, printing inks, plastics, glasses, ceramics and decorative cosmetic formulations (claimed). (I) has good properties for application eg strong lustre, high colour purity, interesting colour effect, high mechanical strength and better opacity than usual. (III) adheres well and uniformly to (II). Interesting 2-tone-pigments are obtd if the absorption colour of (III) and interference colour of (II) are different, whilst intense colours are obtd if they are the same. In an example, 0.5 g bis(5-methyl-imidazol-4-yl-methyl)-Cu phthalocyanine was dissolved in 200 g 25 (wt)% acetic acid at 80 deg C. 100 g TiO2 coated mica pigment were dispersed in this soln for 5 min, then 660 g 5% aq NaOH soln was dripped into the stirred dispersion in 2 h, until the pH was 7.0 +/- 1. After stirring for 30 min, the pigment was filtered, washed salt-free with water and dried. In a 10% polyester-CAB lacquer on cardboard, the colour flop was red to blue.

公开(公告)号：DE4209242A1

公开(公告)日：1993-09-23

申请号：DE4209242

申请日：1992-03-21

Applicant: BASF AG

Inventor： SCHMID RAIMUND DR ,  MRONGA NORBERT DR ,  OSTERTAG WERNER DR ,  SCHMIDT HELMUT

IPC: C09C1/40 ,  A61K8/11 ,  A61K8/26 ,  A61Q1/02 ,  C04B33/14 ,  C08K3/00 ,  C09C1/00 ,  C09C1/62 ,  C09C1/64 ,  C09D5/36 ,  C09D7/12 ,  C09D11/00

Abstract: Mixtures suitable as gloss pigments comprising …… a) aluminium particles coated with iron oxide and … b) mica particles coated with iron oxide, which can already be coated in a first layer with colourless, highly refracting metal oxides, … as essential components,… process for the preparation of these mixtures and their use as dry pigments in printing and coating processes, and generally for the colouring of coatings, printing inks, plastics, decorative cosmetic preparations and ceramic products.

公开(公告)号：DE4141069A1

公开(公告)日：1993-06-17

申请号：DE4141069

申请日：1991-12-13

Applicant: BASF AG

Inventor： SCHMID RAIMUND DR ,  MRONGA NORBERT DR ,  OCHMANN HARALD DR ,  ADEL JOERG DR

IPC: A61K8/30 ,  A61K8/19 ,  A61K8/25 ,  A61K8/29 ,  A61Q1/02 ,  C08K9/02 ,  C08L9/02 ,  C09C1/00 ,  C09C1/28 ,  C09C3/06

Abstract: In order to produce glossy pigments based on platelike silicate substrates provided with several coatings, the substrates already coated with a first layer of colourless or selectively absorbing metal oxide are (a) at first coated with a second, non-selectively absorbing layer essentially composed of carbon, metal and/or metal oxide, and then (b) are coated, if required, with a third layer of colourless or selectively absorbing metal oxide. The carbon layer (step a) is applied by thermal decomposition of oxygenated hydrocarbons which contain at least one oxygen atom for each pair of carbon atoms. The metal layer (step a) is applied by gas phase decomposition of volatile compounds of said metals in an inert gas. The metal oxide layer (steps a and/or b) is applied by gas phase decomposition of volatile compounds of said metals in the presence of oxygen, steam or mixtures thereof. In case (a), said layers are applied on substrates already coated with a first metal oxide layer and in case (b), said layers are applied on substrates coated with a second, non-selectively absorbing layer (a). Also disclosed are special pigments, the production and use of such glossy pigments for colouring lacquers, printing inks, plastics, decorative cosmetic compositions, glass and ceramic products.