Pigments manufacture

Soluble Fluorescent Polymers. Several pigment manufacturers have developed fluorescent polymers iatended to be used as a solution for apphcation to various substrates. These toners come ia both solvent soluble and alkaline water-soluble forms. 

The following organic pigment manufacturers reported their 1991 production and/or sales to the U.S. International Trade Commission. 

In the process of testing, color deviations are expressed ia the CIELAB system which projects total color differences either on the axes of the rectangular LAB or the equivalent polar LHC system (26). In either case tested samples must fall within acceptable ranges or limits estabhshed versus a standard by the pigment manufacturer and accepted by the pigment user. 

Safe Handling of Color Pigments, 1st ed., Color Pigments Manufacturers Association, Inc., 1993. 

Chemically related database searches can be used to estabhsh concepts and patentable ideas. For instance, searches have identified researchers using particular monomers in a potentially patentable latex formulation found precedents for a polymeric emulsifier summarized pubHcations of people being considered as consultants, expert witnesses, employees or speakers to an industrial group and provided market description information for a new pigment manufacturing firm to identify target markets. 

Ecological and Toxicological Association of Dyes and Organic Pigments Manufacturers (ETAD)... 

Guidelines for the S afe Dandling of Dyestuffs in Colour Storerooms, Ecological and Toxicological Association of Dyes and Organic Pigment Manufacturers (ETAD), Basel, Switzerland, June 1983. 

By the use of microstructured mixers, pigment and other particulate syntheses can be improved. In this way, finer particles with more uniform size distribution were yielded for the commercial azo pigment Yellow 12 (see Fig. 2) [11]. The particles formed in the microstructured mixer have better optical properties such as the glossiness or transparency at similar tinctorial power. Since the micro-mixer made pigments have more intense colour, lower contents of the costly raw material in the commercial dye products can now be employed which increases the profitability of the pigment manufacture. 

Pearlescent pigments contain small flakes or platelets of the mineral mica that are additionally coated with a very thin layer of titanium dioxide. The simultaneous reflection of light from many layers of small platelets creates an impression of luster and sheen. By varying the thickness of the coating on the surface of the mica particles, pigment manufacturers can achieve a range of colors for the pearlescent effect. 

TSR (2) [Tiomin synthetic rutile] A process for removing much of the iron from ilmenite in order to make a feedstock for titanium pigment manufacture. Developed by Tiomin Resources, Canada, in the 1990s. 

Color Pigments Manufacturers Association (CPMA), 19 402 Color printing, 7 304 19 234 Color removal... 

Ecclesiastical wines, 26 301 Ecdysone receptor agonists, 14 345 ECHIP JMP 4.0.4, features compared to other software, 8 398t ECLP tube press, 11 373 Eco-check Product excellence, 24 189 Eco-efficiency analysis, 24 189, 190 Eco-Efficiency program, 9 457 Ecological and Toxicological Association of Dyestuffs and Organic Pigments Manufacturers (ETAD), 9 234, 238 19 452... 

Quite apart from the problems of chemical synthesis, it is clear that the application of physico-chemical methods to pigment manufacture, first needed in the development of the... 

Triphenodioxazine compounds have been used to make brilliant blue direct and reactive dyes for cellulosic fibres, but only one pigment in this chemical class, Cl Pigment Violet 23 (2.43), is widely used. It is prepared by condensing 3-amino-9-ethylcarbazole with chloranil in trichlorobenzene [29]. As with many other pigments, manufacturers offer it in many physical forms adapted to the intended end-use. 

Over the past decades there has been a big increase in chemical legislation this is also true for regulations governing the use of colourants for food-contact applications. The various food-contact regulations worldwide are briefly examined from a pigment manufacturer s point of view. The advantages of getting a product listed by FDA are discussed in detail, not only from the perspective of USA sales but also from that of the supply into other markets. 

Nufarm Coogee (Kwinana) 17000 Gas chlorine to adjacent pigment manufacturer (Tiwest) Lurgi membrane cells... 

The basic hue of an azo pigment is primarily defined by the structure of the coupling component, since pigment manufacturers focus almost exclusively on substituted anilines as diazo components. Shades of yellow, for instance, are preferably produced by using acetoacetic arylides CH3COCH2CONH-Ar or heterocyclic coupling components based on the structure... 

For surface energy reasons, the tendency of these small particles to agglomerate and form crystallites increases with decreasing particle size. This is particularly true for the final phase of pigment manufacture, the drying and milling processes. 

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