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nature : also known as the coagulating agent and agglutination agent. Sol can condensed substances. Many types of applications is very broad. Such is the major electrolyte salts, which can ion and colloidal particles of opposite charge arising from the condensation. The latex industry can be divided into : (a) Strong coagulants, rapid coagulation, such as ammonium acetate and acetic acid in aqueous solution, the calcium nitrate alcohol (methanol or ethanol) solution; (2) reduce condensation agent, coagulation slower, for example, aqueous solution of sodium fluoride, and bentonite aluminum hydroxide guilty of colloidal suspension of water; (3) Heat coagulants, under certain temperature can condensed latex material, application of zinc is more ammonia complexes [Zn (NH3) n] 2 + , from zinc oxide or zinc chloride and ammonia compounded in recent years have used various synthetic polymers such as polyethylene methyl ether, propylene glycol polyethylene oxide (MW 500-850). In addition, water purification and the use of alum, aluminum sulfate tofu condensation of gypsum, and precipitated from milk casein with the acid are coagulants. As part of the soil by adding the hydrolysis of polyacrylonitrile, or sodium hydroxide vinyl acetate polymer of malic acid, condensation hard soil to prevent were dispersed by the wind and water conservation role.
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