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Article | Open Access

Homogenous Grafted Poly(acrylic acid) Brushes on Ultra-flat Polydimethlysiloxane (PDMS) Films by UV Irradiation

Haijun Yang1,2, Zhengchi Hou2( )
Research Institute of Micro/Nano- Science and Techonology, Shanghai Jiao Tong University, Shanghai 200240, China
Shanghai Institute Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
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Abstract

In this paper, hydrophilic poly(acrylic acid) (PAA) brushes were evenly grafted onto ultra-flat polydimethlysiloxane (PDMS) films by UV irradiation in a benzophenone (BP)/aceton/acrylic acid solution. The grafted films remain the elasticity of PDMS, which indicates the grafting reaction takes place at the superficial surface. But water affects the grafting depth much due to the good diffusion of monomers into the film.

Keywords

UV irradiationPoly(acrylic acid)GraftPolydimethlysiloxane (PDMS)

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Nano Biomedicine and Engineering
Volume 3 Issue 1,
March 2011
Pages 42-46
DOI: 10.5101/nbe.v3i1.p42-46
Cite this article:
Yang H, Hou Z. Homogenous Grafted Poly(acrylic acid) Brushes on Ultra-flat Polydimethlysiloxane (PDMS) Films by UV Irradiation. Nano Biomedicine and Engineering, 2011, 3(1): 42-46. https://doi.org/10.5101/nbe.v3i1.p42-46

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Published: 31 March 2011
© 2011 H. Yang, et al.

This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.
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