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Citation: HE Ling, LIANG Jun-Yan, XU Yan, ZHU Jian-Gan. Modification of Core-shell Fluorinated Acrylic Polymer by Organic-silicon[J]. Chinese Journal of Applied Chemistry, ;2007, 24(6): 605-609. shu

Modification of Core-shell Fluorinated Acrylic Polymer by Organic-silicon

1.
Department of Applied Chemistry, Xi'an Jiaotong University, Xi'an 710049

Corresponding author: HE Ling,
Received Date: 25 July 2006
Available Online: 28 October 2006
Fund Project: 国家自然科学基金资助项目(20474050) (20474050)

A novel fluorinated acrylic polymer with core-shell structure,which was obtained by semi-continuous seed emulsion polymerization with butyl acrylate (BA) as the core and methyl methylacrylate (MMA) and methyl dodecafluorinacrylate (DFMA,C₁₁H₈O₂F₁₂) as the shell in the presence of mixed emulsifier of sodium lauryl sulfate (SDS) and octyl-phenyl poly-oxyethylene (TX-10),was modified by hydrolysis of tetraethyloxysilane (TEOS) and coupling of long-chain alkyl trimethoxysilane (WD-10).Silicon dioxide produced by the hydrolysis of TEOS was detected by X-ray diffraction (XRD).FTIR,scanning electron microscopy coupled with energy dispersive X-ray analysis (SEM-EDX),transmission electron microscopy (TEM),stretch tester (RGD),differential scanning calorimetry (DSC),and NMR were used for characterizing the morphology structure,particle size,and the effect of TEOS and WD-10 content on the coating properties.The modified fluorinated acrylic polymer displayed improved performance in hydrophobicity,mechanical and optical properties.The optimal content of TEOS was 3.1%~3.8% and that of WD-10 was between 0.9% and 0.95% of TEOS.
- fluorinated polymer,
- core-shell structure,
- emulsion,
- TEOS,
- modification
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Modification of Core-shell Fluorinated Acrylic Polymer by Organic-silicon

南开大学师唯/华北电力大学（保定）刘景维：二维配位聚合物中有序的亲锂冠醚位点用于无枝晶锂沉积

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通讯作者: 陈斌, bchen63@163.com