A procedure for the manufacture of sponge based on synthetic resins (Machine-translation by Google Translate, not legally binding)

摘要

Process for the manufacture of sponges based on synthetic resins characterized by starting from polyvinyl alcohol that is put in the form of alveoli and partially transformed into polyvinyl acetal adapting to the molecular ratio polyvinyl alcohol/aldehyde conditions of pressure and nature of the medium well determined. (Machine-translation by Google Translate, not legally binding)