Polyvinyl acetal, poly vinyl acetal composition, ink or printing ink, coating material, dispersants, a heat-developable color light-sensitive material, ceramic - green sheet, primers for plastic lens, recording medium for water base ink or printing ink and adhesive for metal foil

摘要

A polyvinyl acetal which is excellent in film-forming properties, ability to disperse a material to be dispersed, and adhesion to a surface to be coated and with which a composition having an elevated solid content can be realized. The polyvinyl acetal contains one functional group per molecule.