- NEW PRODUCT SPOTLIGHT-PLASTICS
POLYMER TAILORED FOR AUTO INTERIORS IMAGE ILLUSTRATION 1 High-impact, amorphous resin, Cycoloy CY8620, is specially designed for automotive instrument-panel components. The polycarbonate/acrylonitrile butadiene styrene (PC/ABS) blend offers a balance of properties to meet styling, processing, performance, and economics. Compared to its predecessor, Cycoloy IP1000 PC/ABS, it stands up better to ......
- High performance reds: Joch Ahrens et al explain how
two five membered heterocyclic rings serve as the basis for red and
rubine shades.
With the addition of high performance red shades and newly developed rubine pigments. Clariant's Pigments & Additives Division is investing in a promising field. The high performance diketopyrrolopyr-role pigments (DPP's) are suitable for automotive and industrial coatings, plastics colouration and sophisticated printing applications. Ever since the American chemist Donald G....
- New reds hit the market: Dr Gerd Koen et al explain
how two innovative rubine pigments take DPP chemistry in a new
direction.
For thousands of years, natural raw materials were the only source for dyeing textiles paints. In Europe in 1800, about 30 substances for generating colours were traded, including exotic raw materials, such as indigo from India, redwood from Brazil, and a range of tropical resins and oils. It was only ......
- Silicone surfactants as performance enhancers in
waterborne coatings.
Silicones have long been used in the coatings industry to enhance performance, but with the increasing use of waterborne formulations, new solutions are required to achieve the same level of performance. Dr Thomas Easton and Denise Stephens examine one route-chemical modification of the silicone polymer. Silicones have been used as ......
- New class of treated aluminium
pigments.
A new class of aluminium pigments with a champagne colour metallic appearance is going to open the way to new styling effects, according to the manufacturers, especially when they are used in combination with transparent colour pigments to create novel colour `flops'. LAMELLA FLAKES of aluminium are well known in ......
- A new class of aluminium pigment.
Controlled oxidation of conventional aliminium pigments yields tinted pigments with hues ranging from light yellow to brown. Eckart-Werke has developed a new class of oxidised aluminium pigments known as Aloxal which offer advantages in stability and novel optical effects. Dr Klaus Greiwe and Klaus Franze discuss this new metallic pigment....
- Understanding the mechanisms of photoresist dissolution
Understanding the Mechanisms of Photoresist Dissolution Chemical engineers at the Univ. of Minnesota (Minneapolis) have created a comprehensive physical picture describing the dissolution of a broad range of materials, including novolakbased photoresists. (Novolak is a thermoplastic phenolformaldehyde.) The model applies to the dissolution in aqueous base of both small molecules ......
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