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nature : the cracking of oil by-products or olefin for Central olefin polymerization or aldehydes, aromatics and Terpenoid compounds copolymer resin derived substances known. With acid price and compatibility, and low melting point, water resistance, resistance to ethanol and chemical resistance characteristics. Fat-soluble hydrocarbons and chlorinated hydrocarbons, alcohols and ketones soluble junior. Mainly used in the coatings industries, such as petroleum resin emulsion used to strengthen synthetic latex paint, light-colored oil resin used in the manufacture of oily sheen varnish and to improve adhesion. Also for the rubber industry, with low softening point of resin as plasticizers, with a higher softening point of synthetic rubber resin increase the hardness. Preparation is also used hot melt adhesive, southbound traffic signs, printing ink and paper hydrophobic agent.
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