Multiple glass transitions of block polymers
โ Scribed by R.J. Angelo; R.M. Ikeda; M.L. Wallach
- Publisher
- Elsevier Science
- Year
- 1965
- Tongue
- English
- Weight
- 878 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0032-3861
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Institute of Macromolecular Compounds o f the Academy o f Sciences of the USSR, Leningrad, USSR \* Abstract -A structon model of supercrystals f o r describing tile dynamic properties and multiple phese transitions of superlattices,formed in systems of block copolymers with segregated domains,is app
Films of block eopolymers of polystyrene + isoprene, cast from cyciohexane at temperatures above and below a conformational transition temperature (Tp) derived from the plot of ['/l vs. T, have been examined for glass transition temperatures. In every case, two glass transitions were found, Twl (pol