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SYNTHESIS AND FLOCCULATING PERFORMANCE OF N,N-
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| SYNTHESIS AND FLOCCULATING PERFORMANCE OF N,N-
DIMETHYLACRYLAMIDE-CO- N,N-DIMETHYL-N,N- DIALLYLAMMONIUM CHLORIDE COPOLYMER Alimbek B., SyrgabekY. Supervisor : PhD, Dr. ToktarbayZhexenbek Al-Farabi Kazakh National University alimbek.bagzhan@mail.ru Purification of wastewater by flocculation method has been widely used worldwide. Dimethylacrylamide copolymers and their derivatives have been applied due to its good water solubility, non-toxicity, high charge density and molecular weight and low cost in the international market makes their usage even more beneficial [1, 2, 3]. In this work radical copolymerization of N,N-dimethyl-N,N- diallylammonium chloride with N,N-dimethylacrylamide has been synthesized. Structure of the copolymers were investigated by FTIR, 1H NMR spectroscopies, and conductometric titration method. Monomer reactivity ratios were determined by the application of Finemann-Ross, Kelen-Tudos and inverted Finemann-Ross methods. It was found that N,N-dimethyl-N,N-diallylammonium chloride is less reactive than N,N-dimethylacrylamide. Flocculation of bentonite suspensions, pig, chicken and cow manure slurries were investigated using the copolymer P(DMDAAC-DMAA) with various compositions and homopolymer P(DMDAAC) by turbidimetric method and the zeta potentials of each samples were tested. The results indicated that copolymer P(DMDAAC- DMAA) (with molar composition 70:30) has the best flocculating ability compared to the other compositions and homopolymer P(DMDAAC). References: 1. X. Wang, Q.Yue, B.Gao, X.Si, X.Sun, Sh.Zhang, Kinetics of dispersion polymerization of dimethyl diallyl ammonium chloride and acrylamide //J. Polym. Res. 2011, Volume 18, P. 1067–1072. 2. Dinesh Kumar Mishra, JasaswiniTripathy, Kunj BehariSynthesis of graft copolymer (k-carrageenan-g- N , N -dimethylacrylamide) and studies of metal ion uptake, swelling capacity and flocculation properties // Carbohydrate Polymers . 2008, Volume 71, Issue 4 , P. 524-534. 3. Ting Liu, Enyong Ding, Feng Xue. Polyacrylamide and poly( N , N - dimethylacrylamide) grafted cellulose nanocrystals as efficient flocculants for kaolin suspension //International Journal of Biological Macromolecules. 2017, Volume 103 . P. 1107-1112. жүктеу/скачать 0,93 Mb. Достарыңызбен бөлісу:
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