The temperature dependence of the rates of branching-chain processes
β Scribed by V. V. Azatyan; A. A. Shavard
- Book ID
- 112447838
- Publisher
- Springer
- Year
- 1977
- Tongue
- English
- Weight
- 384 KB
- Volume
- 26
- Category
- Article
- ISSN
- 1573-9171
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## Abstract This contribution describes the influence of shortβchain branching on the temperature dependence of rheological properties of polyethylene (PE) melts in shear. The materials investigated are linear and shortβchain branched, metalloceneβcatalyzed PEs of narrow molecular mass distribution
## Rate consrants of hydrogen abmaction from CzHsOH by hydroxyl radicals have been measured in the temperature range 300-1000 K by laser-induced fluorescence detection of OH. An Arrhenius evpresslon k(T) = (4.4 f 1.0) x IO-\*\* x exp[(-274 i 90) K/T] cm3/s was derived. Mass spectrometrlc mvestigat