Additives antifoamants

Diethyl ethylphos-phonate 78-38-6 Heavy metal extraction Gasoline additive Antifoam agent Plasticizer Ethyl sarin (GE) 0.93... 

Used industrially as a lire retardant, gasoline additive, antifoam agent, plasticizer, plastic stabilizer, textile conditioner, antistatic agent, and hydraulic fluid additive. 

In the case of foaming materials, the distillation must be carefully watched. Additional antifoaming agents can be used, but they will be coextracted and may cover some sample volatiles on the GC profile. Their use is not recommended. 

The additives (antifoam or stabilizers) to the culture medium may strongly interfere the UF process by reduction of the flux.56 UF-DF at a large scale is always carried out in cross-flow mode, discontinuously or continuously or in dynamic mode to reduce fouling of membranes.52... 

Use Heavy-metal extraction and solvent separation, gasoline additives, antifoam agent, plasticizer, textile conditioner, and antistatic agent. 

Hazard Highly toxic, cholinesterase inhibitor. Use Plasticizer, lubricant additive, antifoam agent, hydraulic fluid, intermediate. 

Hazardous Decomp. Prods. Heated to decomp., emits toxic fumes of POx Uses Heavy metal extractor synergist with di (2-ethylhexyl) phosphoric acid in heavy metal extraction extraction solvent (min. processing) solvent separator gasoline additive antifoam textile conditioner antistat Manuf./Distrib. Aldrich http //www.sigma-aldrich.com... 

Uses Extraction solvent for mineral processing solvent separation gasoline additive antifoam plasticizer stabilizer textile conditioner and antistat Manuf./Distrib. ICN Biomed. Research Prods. http //www.icnbiomed.com... 

Properties Colorless liq. char, odor insol. in water sol. in most org. soivs. m.w. 282.38 dens. 0.987 b.p. 142-145 C (4.5 mm) flash pt. 146 C Toxicology LD50 (IP, mouse) 300 mg/kg highly toxic cholinesterase inhibitor Precaution Combustible Uses Plasticizer lubricant additive antifoam hydraulic fluid intermediate... 

Additives, antifoaming agents dispersing agents, leveling, wetting and dispersion agents... 

Uses Food additive antifoam, defoamer for starch and proteins, esp. in production lines and wastewater treatment Adekanate B-3011 [Adeka Fine Chem.]... 

Quahty control testing of siUcones utilizes a combination of physical and chemical measurements to ensure satisfactory product performance and processibihty. Eor example, in addition to the usual physical properties of cured elastomers, the plasticity of heat-cured mbber and the extmsion rate of TVR elastomers under standard conditions are important to the customer. Where the siUcone appHcation involves surface activity, a use test is frequently the only rehable indicator of performance. Eor example, the performance of an antifoaming agent can be tested by measuring the foam reduction when the sihcone emulsion is added to an agitated standard detergent solution. The product data sheets and technical bulletins from commercial siUcone producers can be consulted for more information. 

Tackifiers are used to increase the tackiness and the setting speed of adhesives. They increase tackiness by softening the poly(vinyl acetate) polymer in the wet and the dry adhesive film. Tackifiers are usually rosin or its derivatives or phenoHc resins. Other additives frequently needed for specific apphcation and service conditions are antifoams, biocides, wetting agents, and humectants. 

Forming additives or processing aids (2,33—37) are commonly used to render ceramic powders more processible. Binders and plasticizers (qv) are typically added to improve or aid dry powder and plastic forming, whereas deflocculants, surfactants (qv), and antifoams are commonly used in slurry processing. 

Other additives. It is often necessary to add an antifoaming agent, such as silicones or mineral oils. 

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