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学科主题: 高分子化学
题名: Hydrophobically modified polyelectrolytes II: Synthesis and characterization of poly(acrylic acid-co-alkyl acrylate)
其他题名: 疏水改性聚电解质 II: 聚丙烯酸与丙烯酸酯的共聚物的合成与表征
作者: Zhuang DQ(庄东青) ; Chen J(陈洁) ; Da AH(达爱华) ; Zhang YX(章云祥) ; REINHOLD DIEING ; LIAN MA ; LUKAS HAEUSSLING
通讯作者: 章云祥
刊名: Polymers for Advanced Technologies
发表日期: 2001
卷: 12, 页:616-625
收录类别: SCI
部门归属: 中国科学院上海有机化学研究所高分子材料研究室; BASF Aktiengesellschaft Kunststofflaboratorium, ZKSIB-BI
英文摘要: A series of hydrophobically modified poly(acrylic acid)(R^H-PPA) were synthesized by solution copolymerization of acrylic acid with a small amount of alkyl acrylate (alkyl chain with a length of 8,12,14,16,18) and their solution properties were also systematically studied. It was found that the random distribution of alkyl acrylate along the polymeric backbone imparts these new materials pronounced associating ability in aqueous solution and the associating abilities vary with the chain length of the hydrophobic groups. In dilute solution, intramolecular association is observed from the intrinsic viscosity and the dependence of the intrinsic viscosity on chain legth and ionic strength is also discussed. In semiconcentration solution, the modified polymers exhibit viscosities of several orders of magnitude higher than the unmodified poly(sodium acrylate) due to the viscosifying effects become more significant with the increasing length of the alkyl chain. The copolymer solutions are lighly pseudoplastic. Evidences for the hydrophobically associating interaction between hydrocarbon groups are provided by the dependence of the Brookfield viscosity on concentration, temperature, shearrate, ionic strength and pH. Copyright.
语种: 英语
相关网址: 查看原文
WOS记录号: WOS:000173124400003
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内容类型: 期刊论文
URI标识: http://ir.sioc.ac.cn/handle/331003/24523
Appears in Collections:高分子材料研究室_期刊论文

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Recommended Citation:
Zhuang DQ,Chen J,Da AH,et al. Hydrophobically modified polyelectrolytes II: Synthesis and characterization of poly(acrylic acid-co-alkyl acrylate)[J]. Polymers for Advanced Technologies,2001,12:616-625.
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