1. Polyvinyl compounds, others;Hallenslenben,2011
2. Particle adhesion and removal in chemical mechanical polishing and post-CMP cleaning;Zhang;J Electrochem Soc,1999
3. Wilson CL. Method of making expanded polyvinyl alcohol-formaldehyde reaction product and product resulting therefrom, US patent, 2609347;1952.
4. Nishimura H, Sata S. Method of producing polyvinyl acetal porous articles and the shaped porous articles made therefrom, US patent 3663470;1972.
5. Sueoka, A, Okamoto T, Ohmori A, Kawai S, Ueda M. Polyvinyl alcohol semi-permeable membrane and method for producing same, US patent 4279752;1981.