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Received April 3, 2009
Accepted May 9, 2009
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Influence of emulsifiers on particle size and particle size distribution of PVC latex synthesized by miniemulsion polymerization
School of Chemical Engineering and Bioengineering, University of Ulsan, Deahakro 102, Nam-gu, Ulsan 680-749, Korea 1Hanwha Chemical Co., Ulsan Plant, 482 Sanggae-dong, Nam-gu, Ulsan 680-180, Korea
jschung@mail.ulsan.ac.kr
Korean Journal of Chemical Engineering, November 2009, 26(6), 1585-1590(6), 10.1007/s11814-009-0278-4
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Abstract
We synthesized poly(vinyl chloride) (PVC) latexes via miniemulsion polymerization using a mixture of cetyl alcohol (CA) and sodium lauryl sulfate (SLS). A vinyl chloride miniemulsion is easily prepared by conventional mechanical stirring. Experimental design methods were applied to investigate the effects of composition and polymerization conditions on average particle size (APS) and particle size distribution (PSD) of the latexes produced. The APS of the latexes produced ranged from 0.4-0.7 μm. When the APS of the latex produced was above 0.7 μm, the resulting latex was highly unstable. The emulsifier ratio (CA/SLS) was the most prominent factor influencing APS and PSD.
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Saeki Y, Emura T, Prog. Polym. Sci., 27, 2055 (2002)
Hao PLC, Hsu WW, Lin WS, Tong SN, Hung HK, Chang MC, US Patent, 4,327,003 (1980)
Carroll HE, Sweitzer GM, US Patent, 4,277,385 (1981)
Sæthre B, Pedersen S, US Patent, 6,441,085 (2002)
Chu F, Guyot A, Colloid Polym. Sci., 279, 361 (2000)
Guyot A, Chu F, Schneider M, Graillat C, McKenna TF, Prog. Polym. Sci., 27, 1573 (2002)
Ouzineb K, Graillat C, McKenna TF, J. Appl. Polym. Sci., 97(3), 745 (2005)
Antonietti M, Landfester K, Prog. Polym. Sci., 27, 689 (2002)
Asua JM, Prog. Polym. Sci., 27, 1283 (2002)
El-Aasser MS, Sudol ED, JCT Research, 1, 20 (2004)
Landfester K, Adv. Mater., 13(10), 765 (2001)
Bechthold N, Tiarks F, Willert M, Landfester K, Antonietti M, Macromol. Symp., 151, 549 (2000)
Grim WL, Min TI, El-Aasser MS, Vanderhoff JW, J. Colloid Interface Sci., 94, 531 (1983)
El-Aasser MS, Lack CD, Choi YT, Min TI, Vanderhoff JW, Fowkes FM, Colloid and Surface, 12, 79 (1984)
El-Aasser MS, Lack CD, Vanderhoff JW, Fowkes FM, Colloid and Surface, 29, 103 (1988)
El-Aasser MS, Advances in emulsion polymerization and latex technology, Vol. III, Bethlehem, Pennsylvania, USA (1989)
Schmidt SR, Launsby RG, Understanding industrial designed experiments, 3rd ed., Air Academy Press, Colorado Springs, CO, USA (1991)
Capek I, Adv. Colloid Interface Sci., 107, 125 (2004)