... polyvinyl chloride, polyvinylidene chloride and a good bite dissolution of aniline was widely used as a reactive solvent, ... (tape coating, PVC coating, PVC reactor cleaning, removal of PVC film, cellophane coating, plastic printing ink, thermoplastic ... material, is the pharmaceutical industry main solvent.6, for synthesis of pharmaceutical raw materials, intermediates. Such as tetrahydrothiophene, 1,4 ...