Stopped-flow study of the cyclopolymerization of 1,5-hexadiene with MgCl2-supported Ziegler catalyst
β Scribed by Hideharu Mori; Hideyuki Yamada; Kono Hiroyuki; Minoru Terano
- Book ID
- 104423492
- Publisher
- Elsevier Science
- Year
- 1997
- Tongue
- English
- Weight
- 310 KB
- Volume
- 125
- Category
- Article
- ISSN
- 1381-1169
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π SIMILAR VOLUMES
A well-defined diblock copolymer, polypropene-block-poly(ethene-co-propene), was synthesized by modified stopped-flow polymerization with an MgCl 2 -supported Ziegler catalyst. The copolymer shows a unimodal gel permeation chromatography (GPC) elution curve without any material in the low molecular
## Abstract **Summary:** Liquid pool propylene/1βbutene copolymerizations were carried out in a batch reactor with a high activity ZieglerβNatta catalyst system. Experimental runs were performed to evaluate the effect of the 1βbutene content on the crystallinity and melt temperature of the polymer
Propylene polymerization was investigated with the TiC14/MgCI 4 supported catalyst with the stereoregulating donor pair dibutylphtalate (DBPH)/triethoxyphenylsilane (TEPS) in heptane with A1Et 3 as cocatalyst in the presence of hydrogen. It was shown that there is an activation effect by the influen