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Preparation of Recycled Poly(vinyl alcohol) (PVA)/Iodine Polarizing Film
- Authors
- Han, Man Ho; Shin, Jae Kyun; Il Oh, Kyeong; Lee, Young Jae; Song, Du Hyun; Chung, Yong Sik; Lee, Yong Rok; Choi, Han Gon; Oh, Tae Hwan; Han, Sung Soo; Noh, Seok Kyun; Lyoo, Won Seok
- Issue Date
- Sep-2010
- Publisher
- SAGE PUBLICATIONS LTD
- Citation
- POLYMERS & POLYMER COMPOSITES, v.18, no.7, pp.391 - 395
- Indexed
- SCIE
SCOPUS
- Journal Title
- POLYMERS & POLYMER COMPOSITES
- Volume
- 18
- Number
- 7
- Start Page
- 391
- End Page
- 395
- ISSN
- 0967-3911
- Abstract
- To precisely identify the effect of preparation conditions on the polarizing efficiency (PE) of recycled poly(vinyl alcohol) (PVA)/iodine complex film, PVA film and PVA/iodine polarizing film were prepared by using recycled nonwoven PVA with a number-average degree of polymerization (P-n) of 1700, syndiotactic diad (s-diad) content 54.6%, and degree of saponification (DS) 97.6%. We investigated the effects of various conditions such as soaking time, temperature of I-2/KI aqueous solution, draw ratio, and temperature of aqueous boric acid solution on the transmittance and PE of recycled PVA/iodine complex film. Maximum transmittance and PE values of recycled PVA/iodine complex film were 41.2% and 99.8%, respectively. It was found that the recycled PVA/iodine polarizing film showed effective transmittance and PE values comparable with those of commercial PVA/iodine polarizing film.
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Related Researcher
- Choi, Han Gon
- COLLEGE OF PHARMACY (DEPARTMENT OF PHARMACY)