Azeotrope enabled polymerization of ethylene oxide
نویسندگان
چکیده
منابع مشابه
Intelligent catalysts for ethylene oligomerization and polymerization
EEthylene polymerization catalysts became available in an enormous variety. The challenge in this research is to find catalysts that are able to connect ethylene molecules in such a way that not only linear chains are produced but variations like branched materials that possess very interesting mechanical properties like linear low density polyethylene (LLDPE). In this contribution, three diffe...
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At low pressure, ethylene gas consists of single translating and rotating molecules and behaves as an ideal gas. With decrease of free volume by compression, various rotating supramolecular particles are formed, which require less space for the movement: molecular pairs, bimolecules and oligomolecules. The appearance of a new kind of particles is manifested as a phase transition of the second o...
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Rep. Ser. No. 86; DHEW Pub!. No. (NIH) 78-1336), Bethesda, MD, US Department of Health, Education, and Welfare 6Yan Duuren, B.L., Seidman, 1., Melchionne, S. & Kline, S. A. (1985) Carcinogenicity bioassays of bromoacetaldehyde and bromoethanol potential metabolites of dibromoethane. Teratog. Carcinog. Mutagenesis, 5,393-403 7National Toxicology Program (1982) Carcinogenesis Bioassay of 1,2-Dibr...
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Anionic polymerization has been used as a technique for the synthesis of five-block copolymers of polystyrene (PS), polyisoprene (PI), and poly(ethy1ene oxide) (PEO). Two types of such polymers, PEO-PI-PS-PI-PEO and PEO-PS-PI-PS-PEO with varying PEO block length, have been prepared, using potassium naphthalene as the initiator and tetrahydrofuran as the solvent. The polymers were purified by ex...
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The data on the effect of ethylene concentration on polymerization rate for several modifications of modern highly active titanium–magnesium catalysts TiCl4/MgCl2 are presented. These catalysts differ in titanium content and conditions of support preparation, activities, and the shape of kinetic curves. It is found that the observed order of polymerization rate with respect to ethylene in the r...
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ژورنال
عنوان ژورنال: RSC Advances
سال: 2016
ISSN: 2046-2069
DOI: 10.1039/c6ra22064a