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2007•Hebei Journal of Industrial Science and TechnologyRequires access

Study on preparation and properties of PVC/montmorillonite imbedded composites

Huimin Zhang

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Abstract

Based on the characteristic of negative charges exchange of montmorillonite(MMT),making the dodecyl trimethyl ammonium chloride(BS-12) imbedded in the layer of MMT,we pretreated MMT and enhanced the dispersion of MMT in MMA.By means of emulsion polymerization,PMMA organ-MMT imbedding composite was prepared.By means of XRD,analysis indicated that PMMA was imbedded in the layer of montmorillonite and the layer distance was expanded obviously.Then using melt blending method,PVC/MMT composite was prepared and the intensity,toughness were also studied.The results show that PMMA organ-MMT imbedding composite can respectively enhance the intensity and toughness of PVC by 17% and 489.2%.

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What this paper is about

Based on the characteristic of negative charges exchange of montmorillonite(MMT),making the dodecyl trimethyl ammonium chloride(BS-12) imbedded in the layer of MMT,we pretreated MMT and enhanced the dispersion of MMT in MMA.By means of emulsion polymerization,PMMA organ-MMT imbedding composite was prepared.By means of XRD,analysis indicated that PMMA was imbedded in the layer of montmorillonite and the layer distance was expanded obviously.Then using melt blending method,PVC/MMT composite was prepared and the intensity,toughness were also studied.The results show that PMMA organ-MMT imbedding composite can respectively enhance the intensity and toughness of PVC by 17% and 489.2%.

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Available abstract

Based on the characteristic of negative charges exchange of montmorillonite(MMT),making the dodecyl trimethyl ammonium chloride(BS-12) imbedded in the layer of MMT,we pretreated MMT and enhanced the dispersion of MMT in MMA.By means of emulsion polymerization,PMMA organ-MMT imbedding composite was prepared.By means of XRD,analysis indicated that PMMA was imbedded in the layer of montmorillonite and the layer distance was expanded obviously.Then using melt blending method,PVC/MMT composite was prepared and the intensity,toughness were also studied.The results show that PMMA organ-MMT imbedding composite can respectively enhance the intensity and toughness of PVC by 17% and 489.2%.

Key concepts: Montmorillonite, Materials science, Composite number, Composite material, Toughness, Layer (electronics), Dispersion (optics), Emulsion polymerization

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