Chemical compositional distribution of ethylene-1-butene copolymer prepared with heterogeneous ziegler-natta catalyst: TREF and crystaf analysis
✍ Scribed by Young Soo Ko; Jong-Ki Jeon; Jin-Heong Yim; Young-Kwon Park
- Publisher
- The Polymer Society of Korea
- Year
- 2009
- Tongue
- English
- Weight
- 192 KB
- Volume
- 17
- Category
- Article
- ISSN
- 1598-5032
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## Abstract The chemical composition distribution (CCD) is a fundamental molecular parameter of copolymers. High‐temperature interactive liquid chromatography (HT‐HPLC) has recently emerged as a new analytical technique for determination of the CCD of semicrystalline copolymers of ethylene and pola
Comparison with the conventional ZieglereNatta catalyst TiCl 4 /MgCl 2 (I), the modified supported Zie-glereNatta catalysts (iso-PentylO)TiCl 3 /MgCl 2 (II) and (BzO)TiCl 3 /MgCl 2 (III) were prepared as efficient catalysts for copolymerization of ethylene with 1-octene. The complexes (II) and (III)