Study of the polyvinyl Alcohol-borate-iodine complex II. Test papers
β Scribed by Anthony J. Monte-Bovi; John J. Sciarra
- Publisher
- John Wiley and Sons
- Year
- 1961
- Tongue
- English
- Weight
- 290 KB
- Volume
- 50
- Category
- Article
- ISSN
- 0022-3549
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Thin-film composite membranes were prepared by coating porous polysulfone membranes with a polyvinyl alcohol layer and further cross-linking its surface. Aldehydes, dialdehydes and malic acids were used as cross-linking agents. The effects of additives to the PVA solution, of solvents used for makin
The freeze-dried samples prepared from dilute PVA aqueous solutions and PVAΓiodine complex aqueous solutions have been examined using a scanning electron microscope. The samples prepared from syndiotacticity-rich PVA (S-PVA) solutions were found to have a network structure due to the formation of in