Reaction and cationic polymerization of 4-methyl-2-methylene-1,3-dioxolane
β Scribed by Hiroyuki Fukuda; Masahiro Hirota; Yoshihiro Nakashima
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1983
- Tongue
- English
- Weight
- 236 KB
- Volume
- 21
- Category
- Article
- ISSN
- 0887-6258
No coin nor oath required. For personal study only.
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## Abstract 2βIsopropenylβ4βmethyleneβ1,3βdioxolane (1) undergoes cationic polymerization in donative solvents without crosslinking to afford poly(etherβketone) 2 having two unitstructures. When solvents having medium donor number (DN = 14,1β17,1), such as acetonitrile, dioxane, ethyl acetate, and
Photoinitiated polymerization of 4-methylene-2-phenyl-1,3-dioxolane ( 1) was carried out using either tris(4-methylphenyl)sulfonium hexafluoroantimonate or 4-decyloxyphenyl phenyliodonium hexafluoroantimonate as initiators. 1 H-NMR analyses confirmed exclusive ring-opening while DSC and SEC were use
Abstraet--2-(2',4'-Dichlorophenyl)-4-methylene-l,3-dioxolane was synthesized and polymerized by radical (AIBN and photochemically) and cationic (I 2, BF 3 . OEt2) routes. A polymerization mechanism is proposed based on the analysis of the resulting polymers.