Dispersion ceramic

The water-soluble EHEC is used in water-borne paints, pastes, polymer dispersions, ceramics and cosmetics, and pharmaceuticals,whereas organic soluble EHEC is used in inks, lacquers, and as coatings. 

Alloys, Dispersions, Ceramics No data No data No data No data No data 74,712 45,424 29,759 152,920 0... 

In some cases, the molten product may consist of two immiscible phases, either molten oxides (e.g., AI2O3, MgO) with dispersed nonoxides (e.g., metals carbides or borides) or molten metals with dispersed ceramic droplets. Owing to the difference in densities, the two phases may separate. By controlling the characteristic times of cooling (tcooi) and phase separation (tp ), different distributions of phases may result. Thus, it is possible to obtain cermets with uniform (rcooi << tps), gradient (tcooi tps), and layered (fcooi ps) products. 

It has been known for some time that considerable improvement of the mechanical properties of alumina in terms of flexural strength, fracture toughness, yield strength and elastic modulus can be achieved by adding particles of stabilised zir-conia as a structural reinforcement (see Chapter 4.1.2). Such ceramics are known as ZTA (zirconia-toughened alumina), duplex ceramics or dispersion ceramics. 

Begand, S., Oberbach, T., and Gliem, W. (2006) Mechanical properties of hip joint heads made of the dispersion ceramic - alumina toughened zirconia. Key Eng. Mater., 309-311, 1257-1260, 1261-1264. 

The assembly is then wrapped with a few additional layers of tissue paper, the paper is lightly soaked with oil, and the assembly is finally wound with Pt wire. The wound assembly is coated with a water-dispersed ceramic powder and allowed to dry. It is recoated after drying and inserted into a suitable porcelain tube while still moist. Any free ace is filled with insulating cotrpound. After air drying, it should be dried thoroughly in an... 

Present day production of catalysts is by tedious and expensive trial-and-error in laboratory in large-scale reactors. The catalytic action occurs on surface of highly dispersed ceramic or metallic nanostructures. Nanotechnology facilities may bring about a more scientific way of designing new catalysts named nanocatalysis with precision and predictable outcome. 

H.N. Liu, T.J. Webster, Mechanical properties of dispersed ceramic nanoparticles in polymer composites for ordu tedic applications, Int. J. Nanomediedne 5 (2010) 299-313. 

CAS 1327-36-2 EINECS/ELINCS 215-475-1 Uses Filler, extender in paints/coatings (extends TiOj, exc. scrubbability and sheen control, hydrophilic, easily dispersed), ceramics (improves fired props., inc. dimensional stability in wh. ware, elec, porcelain, refractories), wire and cable compds. 

Prabhakaran K, Sooraj R, Kumbhar CS, MeUceri A, Gokhale NM, Sharma SC (2010) Heterocoagulation moulding of alumina powder suspensions prepared using citrate dispersant. Ceram Int 36 1-8... 

R. W. M. D Eye, Dispersed ceramic fuels and the Advanced Gas-cooled Reactor. United Kingdom At. Energy Authority TRG Rept. 1210(S), March 1966. 

Ceramic Dispersions. Ceramic is a nonmetallic inorganic material. Ceramic dispersions are the starting material for many applications. The use of detergents or surfactants enhances the wetting ability of the binder onto the ceramic particles and aids in the dispersion of ceramic powders in liquids. As dispersants, they reduce bulk viscosity of high-solid slurries and maintain stabUity in finely divided particle dispersions. Bi-block surfactants help agglomeration of the ceramic particles. In wastewater treatment, detergents are used in ceramic dispersions to reduce the amount of flocculents. 

Kuchler S, Sobisch T, Detloff T, Lerche D (2011) Direct characterization of ccaamic dispersions. Ceram Forum hit 88 E27... 

The aforementioned embroidered textiles were integrated on a low-loss and highly flexible polymer substrate. We employed PDMS as our substrate due to its mechanical flexibility and stretchability, inherent chemical stability, and water resistance (Koulouridis et al., 2006). As demonstrated in Wang et al. (2012b), the resultant PDMS composite had a dielectric constant of er = 3.0 and a low-loss tangent of tan < 0.02. Another advantage of PDMS is that its permittivity can be increased from 8r = 3.0-13.0 by dispersing ceramic powder into the PDMS matrix (Koulouridis et al., 2006). 

Xu, C. H. Ai, X. Particle dispersed ceramic composite reinforced with rare earth aditions. Int. J. Refract. Metals Hard Mater. 2001, 19, 85-88. 

Aerosol AY-65 Aerosol AY-100 dispersant, ceramic particles nonpolar liqs. 

Hypermer KD1 dispersant, ceramics Alcosperse 602-N Ammonium naphthalene sulfonate Behenamlne Borres-perse NA Calclum/magneslum lignosulfonate Celvol 205 Celvol 523 Darvan C-N Daxad 32 Lauramlne ... 

Luviskol K12 Luviskol K17 Luviskol K30 Luviskol K60 Luviskol K80 Luviskol K90 Methyl hydroxyethylcel-lulose Myristamlne Nissan Amine AB Nissan Amine ABT Nissan Amine ABT2 Nissan Amine BB Nissan Amine FB Nissan Amine MB Nissan Amine OB Nissan Amine PB Nissan Amine SB Oxetal 500/ 85 PEG-10 oleate Polyfon F Polyfon 0 Polyfon T Soyamine Surfonid JL-80X Ufoxane 2 Ufoxane 3A Ultrazine NA Unithox 490 Wanin 734 dispersant, ceramics fillers Polymethacrylic acid dispersant, ceramics pigments Polymethacrylic acid dispersant, chain-belt lubricants Maphos 58... 

Achievement of appropriate suspensions for the specific technology is fundamental and preparation of well dispersed ceramic slurries is one of the most important issues. Obviously the process is much more complicated in the case of eomposite ceramics, where the stabilization of different ceramic powders, and thus possibly with different characteristics (density, particle size, surface properties, etc.) must be accomplished. For slurry preparation, attrition milling can be useful to get ceramic... 

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