Radiation-induced reactions of syndiotactic polypropylene
β Scribed by Tadashi Asanuma; Tetsunosuke Shiomura; Yuki Hirase; Tomochika Matsuyama; Hitoshi Yamaoka; Akira Tsuchida; Masataka Ohoka; Masahide Yamamoto
- Book ID
- 104808769
- Publisher
- Springer
- Year
- 1992
- Tongue
- English
- Weight
- 220 KB
- Volume
- 29
- Category
- Article
- ISSN
- 0170-0839
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π SIMILAR VOLUMES
## Abstract Meltingβpoint and spherulite growth rate measurements for a sample of syndiotactic polypropylene (__S__ = 0.716 and Ξ· = 0.356) were analyzed for the parameters characterizing crystal formation and growth: __T__~__m__~ = 159 Β± 2Β°C, Ο~__e__~ = 47 erg cm ^β2^, Ο = 4.4 erg cm^β2^, and __q__
Syndiotactic polypropylene (sPP) was quenched from the melt in an icewater bath, and changes in the structural organization, during the aging time, were followed by X-rays, differential scanning calorimetry, and transport properties of dichloromethane at low activities. After 1 month, an increase of