Esters containing simple hydrocarbon groups are volatile, fragrant substances used as flavorings in the food industry. Triesters, molecules containing three ester groups, occur in nature as oils and fats (see triglyceride).
PolyesterA polyester is any of a class of organic substances composed of large molecules arranged in either a chain or a network and formed from many smaller molecules through the establishment of ester linkages. Polyester fibers are resistant to chemicals and may be washed in alkaline solutions or dry-cleaned. They are made into woven and knitted fabrics. As a clothing material, polyester is valued for its resistance to creasing.
Related category• ORGANIC CHEMISTRY
Home • About • Copyright © The Worlds of David Darling • Encyclopedia of Alternative Energy • Contact