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Effect of Film Processing Conditions on the Dimensional Stability of Triacetyl Cellulose Film  

Kim, Hyo-Gap (Center for Photofunctional Energy Materials, Department of Polymer Science and Engineering, Dankook University)
Kim, Hong-Suk (Center for Photofunctional Energy Materials, Department of Polymer Science and Engineering, Dankook University)
Kim, Han-Sung (Hyosung Corp.)
Cho, Jin-Sik (Hyosung Corp.)
Kim, Yong-Won (Hyosung Corp.)
Kang, Ho-Jong (Center for Photofunctional Energy Materials, Department of Polymer Science and Engineering, Dankook University)
Publication Information
Polymer(Korea) / v.34, no.2, 2010 , pp. 133-136 More about this Journal
Abstract
Effect of solution film processing conditions on the dimensional stability of TAC film which is used as protection film of liquid crystal display (LCD) has been studied under hot and humid environmental condition (65 $^{\circ}C$, 90%). In addition, the mechanical and optical property changes due to the dimensional instability were also investigated. It was found that the fast solvent evaporation due to the increasing of methylene chloride content in solvent mixtures and decreasing dope concentration caused the lowering of dimensional stability under hot and humid condition. This dimensional stability change also affected the mechanical and optical properties of TAC films as well.
Keywords
triacetyl cellulose film; dimensional stability; evaporation condition;
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