Ketalization reaction of polyvinylalcohol (PVA) by methyl ethyl ketone (MEK), dimethylsulfoxide (DMSO) as solvent, under the presence of acidic catalyst, in homogeneous system was carried out, and the synthesis of polyvinylketal with any ketalization degree was successfully performed. The reaction m
Study on ketalization reaction of polyvinylalcohol by ketones. I. Reaction between polyvinylalcohol and acetone
โ Scribed by Naofumi Nakamura
- Publisher
- John Wiley and Sons
- Year
- 1987
- Tongue
- English
- Weight
- 571 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0021-8995
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๐ SIMILAR VOLUMES
The physical and chemical properties of polyvinylketals (PVKL) prepared from seven aliphatic ketones [acetone, methyl ethyl ketone (MEK) , methyl n-propyl ketone (nPK) , methyl i-propyl ketone (iPK), methyl n-butyl ketone (nBK), methyl i-butyl ketone (iBK), methyl t-butyl ketone (tBK) ] were studied
SY NOPSlS
The kninetics of acid-catalyzed acetalization and ketalization of poly(viny1 alcohol) (PVA) were systematically studied in completely homogeneous media with carefully selected solvents. Thus the acetalization reaction was run in water with six aldehydes [RICHO (R, = H, CH3, CZH5, n-C3H7, i-C3H7, CIC