Synthesis of Polyvinylpyrrolidone under Secondary Inhibition Conditions |
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| Authors: | Kudyshkin V O Abdurakhmanova T R Ruban I N Voropaeva N L Rashidova S Sh |
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| Institution: | (1) Academy of Sciences of Uzbekistan Republic, Institute of Polymer Chemistry and Physics, Tashkent, Uzbekistan |
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| Abstract: | A new approach to controlling the molecular weight of polyvinylpyrrolidone in radical polymerization is considered. When the reaction is performed in the presence of a stable nitroxyl radical, 2,2,6,6-tetramethylpiperidyl-1-oxyl, the effect of secondary inhibition is manifested after the end of the induction period. This effect can be used for preparing polymers with prescribed molecular weights. |
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