Mechanism for gas formation in polyethylene catalytic decomposition
β Scribed by Yumiko Ishihara; Hidesaburo Nanbu; Katsuhiko Saido; Tadashi Ikemura; Tomoyuki Takesue
- Publisher
- Elsevier Science
- Year
- 1992
- Tongue
- English
- Weight
- 483 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0032-3861
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Polyethylene produced by a vanadium-based polymerization catalyst contains long-chain branching as determined by NMR and rheology, even though the polymer has very low levels of vinyl unsaturation. A new mechanism is proposed for the formation of the long-chain branching, which involves COH bond act