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首页> 外文期刊>Polymer: The International Journal for the Science and Technology of Polymers >Polyelectrolyte complexes IV. Interpolyelectrolyte complexes between some polycations with N,N-dimethyl-2-hydroxypropyleneanunonium chloride units and poly(sodium styrenesulfonate) in dilute aqueous solution
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Polyelectrolyte complexes IV. Interpolyelectrolyte complexes between some polycations with N,N-dimethyl-2-hydroxypropyleneanunonium chloride units and poly(sodium styrenesulfonate) in dilute aqueous solution

机译：聚电解质复合物IV。 N，N-二甲基-2-羟基丙烯氯化铵单元与聚（苯乙烯磺酸钠）在稀水溶液中的某些聚阳离子之间的聚电解质络合物

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摘要

We report first on the interpolyelectrolyte complex formation (PEC) between one polycation of integral type having about 95 mol% of N,N-dimethyl-2-hydroxypropyleneammonium chloride units in the backbone (PCA(5)) and poly(sodium styrenesulfonate) (NaPSS), in dependence on the polyion concentrations and the mixing order. The PEC formation was qualitatively followed by viscometry, conductometry and UV-spectroscopy. Quasi-soluble PECs could be formed in the polyion concentration range of 0.1-1.0 unit mM. A complex stoichiometry close to 1:1 was found by both the qualitative measurements on the formation of quasi-soluble PEC in dilute aqueous solutions (when PCA(5) concentration was lower than the overlap concentration, C < C*) and elemental analyses of the insoluble PEC formed at the high polycation concentration (50 unit mM, C much greater than C*). The influence of the ionic strength on the PECs stability was followed by the subsequent addition of NaCl up to an ionic strength of 3.5 M on the reaction mixture, after the PECs formation with three polycations different by both the content of quaternary ammonium salt groups in the backbone and the degree of branching (PCA(5), PCA(20) and PCT20). No dissociation of PECs into the original components was evidenced irrespective of the polycation structure and the mixing order. (C) 2001 Published by Elsevier Science Ltd. [References: 49]
机译：我们首先报告一个骨架之间具有约95 mol％N，N-二甲基-2-羟基丙烯铵氯化物单元的整体型聚阳离子（PCA（5））与聚（苯乙烯磺酸钠）之间的聚电解质间复合物形成（PEC）（ NaPSS），取决于聚离子浓度和混合顺序。定性地进行PEC的形成，然后进行粘度测定，电导测定和紫外光谱。准可溶性PEC可以在0.1-1.0单位mM的聚离子浓度范围内形成。通过定性测量在稀水溶液中（当PCA（5）浓度低于重叠浓度时，C

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