1.Diethylene glycol mainly used as gas dehydrating agent and aromatic extraction solvent. It is also used as a solvent for nitrocellulose, resin, grease, printing ink, etc., a softener and finishing agent for textiles, and the extraction of coumarin and indene from coal tar. In addition, diethylene glycol is also used as brake oil mixture, celluloid softener, antifreeze and diluent in lotion polymerization. Also used in rubber and resin plasticizers; Polyester resin; Fiberglass; Carbamate foam; Production of lubricant viscosity improver and other products. Used for synthesis of unsaturated polyester resin, etc.
2. Used as synthetic unsaturated polyester resin, plasticizer, etc. It is also used as antifreeze, gas dehydrating agent, plasticizer, solvent, aromatic hydrocarbon extractant, cigarette hygroscopic agent, textile lubricant and finishing agent, anti drying agent of paste and various adhesives, reducing dye hygroscopic cosolvent, etc. It is a common solvent for oils, resins, nitrocellulose, etc.