Chemistry & Chemical Technology. – 2009. – Vol. 3, No. 1

Permanent URI for this collectionhttps://ena.lpnu.ua/handle/ntb/2084

The scientific-technical journal

It is the scientific-technical journal in English in Ukraine discussing actual problems of chemistry and chemical technology. Compared with other chemical journals Ch&ChT is publishing materials of both theoretical and practical values in such fields as analytical, general organic, physical and inorganic chemistry; chemistry of high molecular compounds; materials science and engineering; chemical kinetics and catalysis; technology of inorganic substances; technology of organic synthesis products; chemical technology of processing of combustible minerals; processes and apparatus of chemical and food productions; biotechnology and ecology.

Chemistry & Chemical Technology : [the scientific-technical journal] / Lviv Polytechnic National University ; editor-in-chief M. Bratychak. – Lviv : Publishing House of Lviv Polytechnic National University, 2009. – Volume 3, number 1. – P. 1–81, X : ill.

Browse

Filters

20091

Settings

Subject: search.filters.subject.Ziegler-Natta polymerization

Search Results

Now showing 1 - 1 of 1
  • Thumbnail Image
    Item
    Ethylene extrusion polymerization by heterogeneous bi-supported Ziegler-Natta catalysts
    (Publishing House of Lviv Polytechnic National University, 2009) Semsarzadeh, Mohammad Ali; Aghili, Alireza
    The MCM-41 (Mobil Composition of Matter) and SBA-16 (Santa Barbara Amorphous) supported TiCl4 and TiCl4/MgCl2 catalysts with different molar ratios of Mg/Ti were synthesized and used for ethylene polymerization under atmospheric pressure. The nanochannels of these supports serve as a nanoscale polymerization reactor and the polyethylene nanofibers were extruded during the reaction. The effect of MgCl2 on catalytic activity and morphology of resulting polyethylene has been investigated too.MgCl2 has enhanced the catalytic activities and made the SBA-16/MgCl2/TiCl4 catalytic system has fibrous morphology. На основі TiCl4 та TiCl4/MgCl2 синтезовано МСМ-41 та SBA-16 каталізатори з різним мольним співвідношенням Mg/Ti, які надалі були використаними для полімеризації етилену при атмосферному тиску. Показано, що наноканали носіїв цих каталізаторів слугують наномасштабним реактором полімеризації, що дозволяє під час реакції екструдувати поліетиленові нановолокна. Вивчено вплив MgCl2 на каталітичну активність і морфологію отриманого поліетилену. Встановлено, що MgCl2 підвищує каталітичну активність і надає каталітичній системі SBA-16/MgCl2/TiCl 4 волокнистої структури.