In order to investigate the effects of an external electron donor on catalyst active sites in propylene polymerization, physical properties of the produced polymers are measured with various techniques. From the thermal analysis and gel permeation chromatography (GPC) measurement, it is found that a
โฆ LIBER โฆ
Determination of catalyst active sites distributions in ionic polymerization
โ Scribed by Usmanov, Timur S.; Yagola, Anatoly G.; Usmanov, Salavat M.; Monakov, Yuri B.
- Book ID
- 120400037
- Publisher
- Taylor and Francis Group
- Year
- 2005
- Tongue
- English
- Weight
- 128 KB
- Volume
- 13
- Category
- Article
- ISSN
- 1741-5977
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A~traet--Temperature dependences of the stereoregularity parameters of the most stereospecific active centres of =-TiCI3:AIEt 3 catalytic system from -25 to 120 and of VCI3--AIEt 3 catalytic system from -15: to 90 c have been measured. It was found that this temperature dependence could be represent