polyvinyl formal (pvf) is widely used and vinylon is an important nstream market
polyvinyl formal, referred to as pvf in english, is a polymer compound produced by the reaction of polyvinyl alcohol and formaldehyde. polyvinyl formal appears as a white or slightly yellow solid. it is insoluble in water and soluble in acetone, acetic acid, phenols and other organic solvents. it has a low heat deformation temperature, is…

