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PREPARATION OF POLY(METHYL METHACRYLATE)/LAYERED DOUBLE HYDROXIDES NANOCOMPOSITES via in situ SOLUTION POLYMERIZATION

Ang-ran Wang

State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310027, China

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Yong-zhong Bao

State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310027, China

Corresponding author.

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Zhi-xue Weng

State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310027, China

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, and

Zhi-ming Huang

State Key Laboratory of Chemical Engineering, Zhejiang University, Hangzhou 310027, China

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Abstract

An exfoliated layered double hydroxides/poly(methyl methacrylate) (LDHs/PMMA) nanocomposite was prepared by in situ solution polymerization of methyl methacrylate (MMA) in the presence of 4-vinylbenzenesulfonate intercalated LDHs(MgAl-VBS LDHs). MgAl-VBS LDHs was prepared by the ion exchange method, and the structure and composition of the MgAl-VBS LDHs were determined by X-ray diffraction (XRD), infrared spectroscopy and elemental analysis. XRD and transmission electron microscopy (TEM) were employed to examine the structure of LDHs/PMMA nanocomposite. It was indicated that the LDHs layers were well exfoliated and dispersed in the PMMA matrix. The grafting of PMMA onto LDHs was confirmed by the extraction result and the weight fraction of grafted PMMA increased as the weight fraction of LDHs in the nanocomposites increased.

This work was supported by the Zhejiang Grant Science and Technology Program (No. 2005C11039).

Keywords:

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