U- coatings

Mann, U., Coating of Particulate Solids by Air Suspension, Ph D. Thesis, University of Wisconsin (1972)... 

Youngchaiyud U, Coates AS, Wlritdngham S, Mackay IR (1974) Cellular-immune response to myelin protein Absence in muldple sclerosis and presence in cerebrovascular accidents. Aust N Z J Med 4 535-538. 

Fission counters are used for detection of the number and not the energy of neutrons. They can be used, however, for differentiation of thermal and fast-neutron flux by using a combination of and U-coated counters (see also Sec. 14.6). 

Rieka, J., Borkovec, M. and Hofmeier, U., Coated droplet model of microemulsions optical matching and polydis-persity, J. Chem. Phys., 94, 8503-8509 (1991). 

The following Table A.56 provides lists of exposure media by the DIBt. This list of exposure media is a white iist (e.g., these are suitabie media) for glass fiber reinforced iaminates with coatings of poiypropyiene and PVC-U, respectively. Maximum service temperature for both cases is 40 °C [7], PP and PVC-U coating materials are listed in the general certifications of the DIBt. 

Synthetic emulsion polymers account for approximately 70% of the U.S. consumption of acrylate monomers. Major end uses for these latex polymers are coatings (32%), textiles (17%), adhesives (7%), paper (5%), and floor poHshes (3%). The U.S. producers of acryflc copolymer emulsions include Rohm and Haas, Reichhold, National Starch, Union Carbide, Air Products, Unocal, B. F. Goodrich, and H. B. Fuller. 

Polyurethanes. About 3% of the U.S. polyurethanes market in 1988 was derived from the condensation product of polyisocyanates with low molecular weight polyadipates having hydroxyl end groups (195). In 1986 this amounted to 29,000 t, or 4% of total adipic acid consumption. The percentage was similar in Western Europe. About 90% of these adipic acid containing polyurethanes are used in flexible or semirigid foams and elastomers, with the remainder used in adhesives, coatings, and spandex fibers. 

Total consumption of lead in the United States in 1993 reached 1,318,800 t. Of this, 766,000 t (58%) is allocated to battery use suppHed as either a mixed oxide or as metal. Approximately 95% of batteries are recycled and the lead recovered. In 1993, 908,000 t of lead came from secondary smelters and refiners compared to 350,000 t originating in primary mines and smelters (39). Approximately 51,000 t of lead was consumed in U.S. production of all oxides and chemicals appHcable to all industries other than batteries. Estimates include 8000 t for plastics, 6000 t for gasoline additives, 2000 t for mbber, and 30,000 t for ceramics, glass, and electronics. Lead is not used to any extent in dispersive appHcations such as coatings. 

Lead Tetroxide. Lead tetroxide (red lead minium lead orthoplumbite), Pb O, is a brilliant orange-red pigment which accounted for U.S. shipments of 17,780 t ia 1977, mainly to the ceramics and storage battery iadustries (40). U.S. shipments ia 1993 amounted to approximately 12,000 t. The decrease ia usage siace 1973 (19,000 t) is attributable to discontinued use ia the paint and coatings (qv) iadustry, and alterations ia mbber and ceramics (qv) markets. It is iasoluble ia water and alcohol, and dissolves ia acetic acid or hot hydrochloric acid. Red lead is manufactured by heating lead monoxide ia a reverberatory furnace ia the preseace of air at 450—500°C uatil the desired oxidative composition is obtaiaed. 

H. S. Savage and R. G. McCormack, Arc Sprayed Coatings for Electromagnetic Pulse Protection, USA-CERL Technical Report M-89 /15, U.S. Army Corps of Engineers, Washington, D.C., 1989. 

A significant percentage of U.S. staple fiber production is packaged ia bales of extmsion coated spunbonded fabrics, so treated to render the fabric impervious. Synthetic fibers have been shipped worldwide ia this manner with great success. 

There are approximately 114 paint remover manufacturers in the United States. Among them are companies that speciali2e in the manufacture of paint removers only, paint and coating manufacturers that produce a line of paint removers, specialty products manufacturers, and other manufacturers of finish removers for unique or special appHcations. Each group of paint remover manufacturer can be divided into retail or industrial products. A Hst of U.S. paint remover manufacturers is given in Table 2. 

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