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Polyvinyl Alcohol 첨가가 Polyvinyl Acetate Emulsion Rheology에 미치는 영향
Effect of Polyvinyl Alcohol Addition on Polyvinyl Acetate Emulsion Rheology
HWAHAK KONGHAK, August 1972, 10(4), 179-184(6), NONE
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Abstract
It is a common practice to use polyvinyl alcohol as protective colloids in obtaining polyvinyl acetate emulsion.
It is also well known that such addition affects the rheology of the resulting emulsion. In this study, methods of adding polyvinyl alcohol were varied to investigate their effect on flow curves. Flow curves were obtained with Burrell-Severs type capillary viscometer. More specifically, the addition of polyvinyl alcohol was done either at the beginning of polymerization or after the completion of polymerization. The effect of agitator speed was also investigated.
It is also well known that such addition affects the rheology of the resulting emulsion. In this study, methods of adding polyvinyl alcohol were varied to investigate their effect on flow curves. Flow curves were obtained with Burrell-Severs type capillary viscometer. More specifically, the addition of polyvinyl alcohol was done either at the beginning of polymerization or after the completion of polymerization. The effect of agitator speed was also investigated.
