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:<![CDATA [<标题>抽象 ara> <重点类型=“斜体”> n -methyl- n - - 乙酰乙酰胺和<重点型=“斜体”> N - 甲基 - <重量型=“斜体”> N 含有15.7±0.5%的带电单元的盐酸胺盐酸胺,通过自由基聚合,分馏获得和水解。在0.2M NaCl中研究了稀释溶液的粘性流动,速度沉降和平移扩散。粘度测定研究也在各种离子力中进行:从最小(〜10 <上标> -6 /上标> mol / L)到最大(6mol / L)。将在研究中的共聚物的流体动力学体积和平衡刚度与具有不同离子强度的溶液中的具有更高的线性电荷密度(约44%的带电单元)的共聚物获得的数据进行比较。所获得的值对ODIJK,Skolnik和Fixman(OSF)以及DoBrynin的理论的对应关系。]]>

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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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