Effect of the End-group Structure of Hyperbranched Polymers on Their Electrostatic Self-assembly Behavior

Abstract

Abstract: The electrostatic adsorption self-assembly behavior of three anionic hyperbranched polymers with the same backbone but different end-groups in the presence of poly(diallyldimethylammonium chloride)(PDAC) were investigated. The three hyperbranched polyanions all showed good self-assembly properties and the increase of bilayers were monitored by UV-Vis spectra. Similar to the linear weak polyanions, their self-assembly were much affected by the solution conditions, such as pH value and salt concentration. However, these behavior under different solution conditions was also controlled by the variation of their end-group structures. Furthermore, the surface morphology and the contact angle for water of the self-assembly film with hyperbranched polymers as the out-layer were also affected by the variation of end-group strutures of these polymers.

Key words: Hyperbranched polymer, Self-assembly, Solution condition, End-group structure

CLC Number:

O631

TrendMD:

QIU Teng, TANG Li-Ming, TUO Xin-Lin, YOU Hu, WANG Xiao-Gong, LIU De-Shan. Effect of the End-group Structure of Hyperbranched Polymers on Their Electrostatic Self-assembly Behavior[J]. Chem. J. Chinese Universities, 2004, 25(5): 971.

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Effect of the End-group Structure of Hyperbranched Polymers on Their Electrostatic Self-assembly Behavior

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