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Preparation of ultrahigh molecular weight syndiotactic poly(vinyl alcohol) microfibrillar fibers by low-temperature solution polymerization of vinyl pivalate in tertiary butyl alcohol and saponification

โœ Scribed by Won Seok Lyoo; Sam Soo Kim; Han Do Ghim; Jae Pil Kim; Sang-Seob Lee


Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
780 KB
Volume
85
Category
Article
ISSN
0021-8995

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Preparation of syndiotacticity-rich high
โœ Won Seok Lyoo; Wan Shik Ha ๐Ÿ“‚ Article ๐Ÿ“… 1997 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 375 KB ๐Ÿ‘ 2 views

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