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2 Iron filings method The iron filings are reacted with iodine to generate iron hexaiodide, then potassium carbonate is added and heated and concentrated.
Yimen recycles overstocked vanillin, 40wEVA, daily chemical flavors, guar gum, industrial naphthalene, fatty alcohols, fatty amines, plastic chemicals, additives, dyes, pigments, waste and expired paints, inks, asphalt, aluminum silver paste .Gold powder, silver powder, pearl powder. Resin (epoxy resin, petroleum resin, phenolic resin, resin, alkyd resin, rosin resin, polyamide resin, poly resin, polyurethane resin) medical recovery inventory backlog, daily chemical flavor, guar Glue, industrial naphthalene, fatty alcohol, fatty amine, plastic chemicals, additives, dyes, pigments, waste and expired paints, inks, asphalt, aluminum silver paste, gold powder, silver powder, pearl powder, resin (epoxy resin, petroleum resin, Phenolic resins, resins, alkyd resins, rosin resins, polyamide resins, polyresins, polyurethane resins) chemical intermediates and materials, intermediates and materials, titanium, brighteners and all chemical additives, water treatment additives. Plastics Additives, stearic acid, accelerator, antioxidant, antioxidant, emulsifier, paraffin, stearic acid, palm wax, hot melt adhesive, zinc powder, etc., glycerin, nickel, copper, aluminum, silver, cobalt, etc. Reward!
Antioxidant is a kind of chemistry. When only a small amount exists in the polymer system, it can delay or stop the oxidation of the polymer. Therefore, the aging of the polymer and its service life are also called "anti-aging agents". In daily life, almost all polymer resins have touched on the application of antioxidants. The antioxidant, its processing performance, is not easy to volatile and synthesize under the processing of polymer, and it has low toxicity and low price.
