Controlled conversion of polyacrylamide into polyacrylic acid |
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| Authors: | Niyazi Biçak Nesrin Açikkaya Güneş Koza |
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| Affiliation: | (1) Istanbul Technical University, Department of Chemistry, Maslak, TR-80626 Istanbul, Turkey, TR |
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| Abstract: | ![]()
Interaction of nitrous acid with aqua solution of poly(acrylamide) gives poly(acrylic acid) in quantitative conversion yields. The reaction proceeds smoothly, with simultaneous evolution of nitrogen, provided that the temperature below 5 °C. The procedure presented provides a versatile route to prepare acrylic acid-acrylamide copolymers in any desired composition, by adjusting molar ratio of nitrous acid. Received: 29 January 1997/Revised: 24 July 1997/Accepted: 6 August 1997 |
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| Keywords: | : Poly(acrylamide) – poly(acrylic acid co-acrylamide) – poly(acrylic acid) – nitrous acid reaction |
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