Encapsulation of TiO2 particles with polystyrene and polymethyl acrylic acid and the pigmentary performances

Chaoqun Ge; Aili Wang; Hengbo Yin

Journal of Industrial and Engineering Chemistry, Vol.18, No.4, 1384-1390, July, 2012

DOI10.1016/j.jiec.2012.01.043 Export Citation

Encapsulation of TiO2 particles with polystyrene and polymethyl acrylic acid and the pigmentary performances

Chaoqun Ge, Aili Wang, and Hengbo Yin^†

Faculty of Chemistry and Chemical Engineering, Jiangsu University, Zhenjiang 212013, China

E-mail:

TiO2 particles were directly encapsulated with polystyrene and polymethyl acrylic acid by a surfactantfree polymerization method. TiO2 particles were uniformly encapsulated with polystyrene by Van der Waals force and effectively encapsulated with polymethyl acrylic acid by chemical bonding. Encapsulation of TiO2 particles with polystyrene and polymethyl acrylic acid significantly enhanced the organic dispersibility and dispersion stability of TiO2 particles in toluene because the surface property of TiO2 particles was changed from hydrophilicity to organophilicity after polymer encapsulation. The brightness and whiteness of the polymer-encapsulated TiO2 particles were similar to that of the naked TiO2.

Keywords:TiO2 particles;Encapsulation;Polystyrene;Polymethyl acrylic acid;Pigmentary performance

[References]

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[1] Liu YM, Ge C, Ren M, Yin HB, Wang AL, Zhang DZ, Liu CY, Chen J, Feng H, Yao HP, Jiang TS, Appl. Surf. Sci., 254(9), 2809 (2008)

[2] Zhang YS, Liu YM, Ge C, Yin HB, Ren M, Wang AL, Jiang TS, Yu LB, Powder Technol., 192(2), 171 (2009)

[3] Liu Y, Zhang YS, Ge C, Yin HB, Wang AL, Ren M, Feng H, Chen J, Jiang TS, Yu LB, Appl. Surf. Sci., 255(16), 7427 (2009)

[4] Zhang YS, Yin HB, Wang AL, Ren M, Gu ZM, Liu YM, Shen YT, Yu LB, Jiang TS, Appl. Surf. Sci., 257(4), 1351 (2010)

[5] Zhang Y, Yin H, Wang A, Liu C, Yu L, Jiang T, Hang Y, J. Phys. Chem. Solids., 71, 1458 (2010)

[6] Zhu M, Xing Q, He H, Zhang Y, Chen Y, Potschke P, Adler H, Macromol. Symp., 210, 251 (2004)

[7] Chen YH, Lin A, Gan FX, Appl. Surf. Sci., 252(24), 8635 (2006)

[8] Sabzi M, Mirabedini SM, Zohuriaan-Mehr J, Atai M, Prog. Org. Coat., 65, 222 (2009)

[9] Erdem B, Sudol ED, Dimonie VL, El-Aasser MS, J. Polym. Sci. A: Polym. Chem., 38(24), 4419 (2000)

[10] Erdem B, Hunsicker RA, Simmons GW, Sudol ED, Dimonie VL, El-Aasser MS, Langmuir, 17(9), 2664 (2001)

[11] Rong Y, Chen H, Li H, Wang M, Colloids Surf. A: Physicochem. Eng. Aspects., 253, 193 (2005)

[12] Sidorenko A, Minko S, Gafijchuk G, Voronov S, Macromolecules, 32(14), 4539 (1999)

[13] Luo H, Sheng J, Wan Y, Mater. Lett., 62, 37 (2008)