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V.35,no.4,Dec 2023 |
https://doi.org/10.5764/TCF. |
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Journal |
Textile Coloration and Finishing |
Year / Vol., Issue, Month |
2021 / V.33,no.3,Sept |
Title |
Preparation and Drawing Property of Poly(vinyl alcohol) Film |
Authors |
Hun Min Kim, Jungeon Lee, Jae Min Park, Jae Hyeung Park, Jin Hyun Choi, and Jeong Hyun Yeum |
Institution/Affiliations |
Kyungpook National University |
Pages/Total page |
pp.147 ~ 152 / 6 |
Language |
Korean |
Abstract |
Bulk polymerization was used to produce poly(vinyl acetate) with different
molecular weights, which were then saponified to prepare poly(vinyl alcohol) (PVA)
with different molecular weights. With Pn of 2,060 and 3,240, the optimum film
formation concentrations of PVA were found 7.5wt.% and 6.5wt.%, respectively. The
drawing characteristics of the PVA film prepared at the optimum film formation
concentrations were experimented, as well as the thermal characteristics of the PVA
film based on the drawing ratio were observed. When the drawing velocity was fixed,
it was found that the drawing ratios of all samples decreased as the heat band gap
increased, and the melting temperature of the PVA film slightly increased as the
drawing ratio increased regardless of the Pn of PVA. |
Keywords |
poly(vinyl alcohol), degree of polymerization, drawing, bulk polymerization,
saponification |
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Reference |
http://koreascience.or.kr/journal/OSGGBT.page?&lang=ko |
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