PREPARATION AND CHARACTERIZATION OF TIO2/POLY (ST-CO-MAA) CORE/SHELL COMPOSITE PARTICLES

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ZHANG J.; GAO J.; SUN X.; PENG ZH.; DIAO J.

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Journal: Iranian Polymer Journal Year:2007 | Volume:16 | Issue:1 (79) Page(s): 39-46

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Title

PREPARATION AND CHARACTERIZATION OF TIO2/POLY (ST-CO-MAA) CORE/SHELL COMPOSITE PARTICLES

Author(s)

Keywords

CORE/SHELL COMPOSITE PARTICLE

NANO-TITANIUM DIOXIDE

POLY(ST-CO-MAA)

EMULSION POLYMERIZATION

ENCAPSULATION

Abstract

The TiO2/poly (St-co-MAA) CORE/SHELL COMPOSITE PARTICLEs were prepared via EMULSION POLYMERIZATION. The cetyltrimethyl ammonium bromide (CTMAB) was used as surfactant of EMULSION POLYMERIZATION. The effect of the styrene/MAA weight ratio on the morphology of the composite particles was investigated. The inorganic/organic CORE/SHELL COMPOSITE PARTICLEs were characterized by Fourier transform infrared spectra (FTIR), translation electron microscope (TEM), thermogravimetric analysis (TGA) and particle size analyzer. The results of FTIR and TGA measurements showed that TiO2 was successfully coated by poly (St-co-MAA). The particle size analysis and TEM result of the resulting composite particles indicated that these particles had a narrower size distribution and regularly spherical core/shell morphology. At the same time, there was one TiO2 particle within each TiO2/poly (St-co-MAA) composite particle and the average particle diameter of composite particles was 191 nm. In addition, the results showed that the conversion of monomers was 78.0% in this EMULSION POLYMERIZATION and copolymer of poly (St-co-MAA) constituted of 62.6% composite particles. The ENCAPSULATION was best when the styrene/MAA weight ratio was 3/2, and the ENCAPSULATION efficiency reached 85.8%.

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APA: Copy

ZHANG, J., GAO, J., SUN, X., PENG, ZH., & DIAO, J.. (2007). PREPARATION AND CHARACTERIZATION OF TIO2/POLY (ST-CO-MAA) CORE/SHELL COMPOSITE PARTICLES . IRANIAN POLYMER JOURNAL (ENGLISH), 16(1 (79)), 39-46. SID. https://sid.ir/paper/534066/en

Vancouver: Copy

ZHANG J., GAO J., SUN X., PENG ZH., DIAO J.. PREPARATION AND CHARACTERIZATION OF TIO2/POLY (ST-CO-MAA) CORE/SHELL COMPOSITE PARTICLES . IRANIAN POLYMER JOURNAL (ENGLISH)[Internet]. 2007;16(1 (79)):39-46. Available from: https://sid.ir/paper/534066/en

IEEE: Copy

J. ZHANG, J. GAO, X. SUN, ZH. PENG, and J. DIAO, “PREPARATION AND CHARACTERIZATION OF TIO2/POLY (ST-CO-MAA) CORE/SHELL COMPOSITE PARTICLES ,” IRANIAN POLYMER JOURNAL (ENGLISH), vol. 16, no. 1 (79), pp. 39–46, 2007, [Online]. Available: https://sid.ir/paper/534066/en

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