Study of mesomorphous properties of butadiene-styrene and isoprene-α-methylstyrene block copolymer solutions
✍ Scribed by L.A. Volkova; A.I. Grigor'yev; N.A. Andreyeva; A.F. Podol'skii; N.G. Orlova; V.Ye. Eskin
- Book ID
- 118966780
- Publisher
- Elsevier Science
- Year
- 1980
- Weight
- 354 KB
- Volume
- 22
- Category
- Article
- ISSN
- 0032-3950
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Al~tract--Two series of well characterized styrene-isoprene two-block copolymers have been synthesized, with weight fractions 50 and 75 per cent styrene. Their intrinsic viscosities have been studied in a number of solvents and over a wide range of molecular weights. In general the intrinsic viscosi
## Abstract The surface morphology of thermooxidative degraded polystyrene–isoprene–styrene (SIS) and polystyrene–butadiene–styrene (SBS) thermoplastic block copolymers was studied by scanning electron microscopy. Surface changes caused by heating the samples in a pyrolyzer for 15 and 30 min were p