3 propylene glycol supply and procurement] Application of 1.3 propylene glycol in polyester film

1,3-propanediol (1,3-PDO) is colorless, Odorless, transparent and viscous liquid, hygroscopic, miscible with water, alcohol and various organic solvents. It is an important organic chemical raw material, mainly used in inks, coatings, cosmetics, pharmaceuticals, antifreeze and other industries. 1.3 Application of propylene glycol in polyester films: 1.3 Propylene glycol can undergo polycondensation reaction with terephthalic acid, adipic acid, and sebacic acid , made into the corresponding polyester…