Transcription of Ethylene Glycols Technology - CHERIC
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Korean J. Chem. Eng., 18(5), 571-579 (2001)FEATURED REVIEW571 The author is Principal Engineer with Dye Engineering and TechnologyCompany at the address shown above. USA phone: 281-494-5617;fax: 281-494-0210; no Glycols TechnologyRobert Fulton Dye3011 Fairway Drive, Sugar Land, TX 77478, USAA bstract Ethylene glycol (EG) or monoethylene glycol (MEG), the adduct of Ethylene oxide (EO) and water, isthe simplest glycol. It is the first of a homologous series of three dihydroxy alcohols discussed in this article. Diethyleneand triethylene Glycols (DEG, TEG) are the other two. These Glycols are composed solely of carbon, hydrogen andoxygen. Although they have similar chemical properties, their applications vary mainly with physical properties suchas viscosity, hygroscopicity and boiling point. The commercial route to Ethylene Glycols in use today involves the non-catalyzed thermal hydrolysis of Ethylene oxide in water.
The presence of two hydroxyl groups in the glycol molecule de-termines its chemistry and permits reactions such as esterification, dehydration, oxidation, halogenation and formation of alcoholates ... is used, the polymer may be terminated …
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