单词	butyl
释义	butyl /ˈbjuːtʌɪl / /ˈbjuːtɪl/ noun [as modifier] Chemistry 1Of or denoting an alkyl radical —C4H9, derived from butane: butyl acetate... These may contain solvents such as toluene, isopropryl alcohol, ethyl and butyl acetates, acetone and other ketones. The most durable exterior house paints are based on acrylic co-polymers of materials like methyl methacrylate and butyl acrylate. These reformulated gasolines contain either corn-derived ethanol or natural-gas derivatives such as MTBE (methyl tertiary butyl ether). See also isobutyl. 1.1 short for butyl rubber.Good ventilation, goggles, and butyl or nitrile rubber gloves are essential; work in a hood is recommended.... Several types of synthetic materials also may be referred to as latex (eg, butyl, petroleum-based materials) but these do not contain the proteins that cause allergic reactions. Seam problems were resolved by the introduction of butyl seam tapes as a replacement for earlier liquid-applied neoprene adhesive. Origin Mid 19th century: from butyric acid + -yl. Rhymes futile, rutile, utile
随便看	as a rule Asatru as Australian as meat pie as a whole ASB (as) bald as a coot asbestine as best one can (or may) asbestos asbestosis (as) black as soot (as) blind as a bat ASBO (as) bold as brass (as) bright as a button (as) brown as a berry index futures indexible indexical Index Librorum Prohibitorum index-linked index-linking index number index patient India

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