## Abstract To enhance durability of poly(vinyl alcohol) (PVA)/iodine polarizing film under humid and warm atmospheres and to identify the effects of syndiotacticity on the polarizing efficiency (PE) and durability of PVA/iodine complex film, we prepared three high molecular weight (PVA)s with simi
Effect of iodine absorption on the characteristics of syndiotacticity-rich high molecular weight poly(vinyl alcohol) microfibril
β Scribed by Han Do Ghim; Jae Pil Kim; Ick Chan Kwon; Chul Joo Lee; Jinwon Lee; Sam Soo Kim; Sung Min Lee; Won Sik Yoon; Won Seok Lyoo
- Publisher
- John Wiley and Sons
- Year
- 2002
- Tongue
- English
- Weight
- 212 KB
- Volume
- 87
- Category
- Article
- ISSN
- 0021-8995
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To enhance the physical properties of syndiotacticity-rich (syndiotactic diad content 63Γ4%) ultra-high molecular weight (UHMW) (number-average degree of polymerization 12 300) poly(vinyl alcohol) (PVA) Γlm, it was solution blended with rigid-rod imogolite in dimethyl sulphoxide. In addition, the bl
## Abstract To precisely identify the effect of blend ratios of syndiotacticityβrich poly(vinyl alcohol) (sβPVA)/atactic PVA (aβPVA) on the water stability of sβPVA/aβPVA/iodine complex blend films, we prepared two PVAs with similar numberβaveraged degrees of polymerization of 4000 and degrees of s
Vinyl pivalate (VPi) was polymerized in bulk by ultraviolet-ray initiation at low temperatures using 2,2-azobis(2,4-dimethylvaleronitrile) (ADMVN) and 2,2'-azobis(isobutyronitrile) (AIBN) as photoinitiators. High molecular weight (HMW) poly(vinyl pivalate) (PVPi), having a number-average degree of p