N-methyl-N-vinylacetamide andN <![CDATA[Dimensions and conformations of macromolecules of <Emphasis Type='Italic'>N</Emphasis>-methyl- <Emphasis Type='Italic'>N</Emphasis>-vinylacetamide and <Emphasis Type='Italic'>N</Emphasis>-methyl- <Emphasis Type='Italic'>N</Emphasis>-vinylamine hydrochloride in solutions in a wide interval of ionic strength]]>
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N-methyl- N-vinylacetamide and N-methyl- N-vinylamine hydrochloride in solutions in a wide interval of ionic strength]]>

机译: N - 甲基 - <重点型=“斜斜”> N 盐酸乙醇胺在离子强度宽间隔的溶液中]]>

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摘要

AbstractFractions of the copolymer ofN-methyl-N-vinylacetamide andN-methyl-N-vinylamine hydrochloride containing 15.7 ± 0.5% of charged units are obtained by radical polymerization, fractionation, and hydrolysis. Viscous flow, velocity sedimentation, and translational diffusion of their dilute solutions are studied in 0.2 M NaCl. Viscosimetric studies are also carried out in a wide range of ionic forces: from the minimum (~10–6mol/L) to the maximum (6 mol/L). The hydrodynamic volumes and equilibrium rigidity of the copolymer under study are compared with the data obtained earlier for an uncharged homopolymer and a copolymer with a higher linear charge density (~44% of charged units) in solutions with different ionic strength. The correspondence of the values obtained to the theories of Odijk, Skolnik, and Fixman (OSF) as well as Dobrynin is discussed.]]>
机译:摘要共聚物的N-methyl-N-vinylacetamide和N-methyl-N-通过自由基聚合、分馏和水解获得含有15.7±0.5%带电单元的盐酸乙烯胺。在0.2 M NaCl中研究了它们稀溶液的粘性流动、速度沉降和平动扩散。粘度计研究也在广泛的离子力范围内进行:从最小值(~10<上标>-6mol/L)到最大值(6 mol/L)。将所研究的共聚物的流体力学体积和平衡刚度与之前在不同离子强度溶液中获得的不带电均聚物和具有较高线性电荷密度(约44%带电单元)的共聚物的数据进行了比较。讨论了所得值与奥迪伊克、斯科尔尼克和菲克斯曼(OSF)以及多勃雷宁理论的对应关系]>

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  • 来源
    《Polymer science, Series C》 |2017年第1期|共8页
  • 作者单位

    Institute of Macromolecular Compounds Russian Academy of Sciences;

    Institute of Macromolecular Compounds Russian Academy of Sciences;

    Institute of Macromolecular Compounds Russian Academy of Sciences;

    Institute of Macromolecular Compounds Russian Academy of Sciences;

    Institute of Macromolecular Compounds Russian Academy of Sciences;

    Institute of Macromolecular Compounds Russian Academy of Sciences;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 有机化学;
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