butyl rubber
noun Date: 1940 any of a class of synthetic rubbers that are made by copolymerizing isobutylene with a small amount usually of isoprene at low temperature

New Collegiate Dictionary. 2001.

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  • Butyl rubber — mdash;also known as polyisobutylene and PIB (C4H8)n is a synthetic rubber, a homopolymer of 2 methyl 1 propene. Polyisobutylene is produced by polymerization of about 98% of isobutylene with about 2% of isoprene. Structurally, polyisobutylene… …   Wikipedia

  • butyl rubber — ☆ butyl rubber or Butyl any of a group of synthetic rubbers that are basically copolymers of butylene and isoprene and that are especially impermeable to gases and resistant to abrasion, tearing, etc. * * * …   Universalium

  • butyl rubber — ☆ butyl rubber or Butyl any of a group of synthetic rubbers that are basically copolymers of butylene and isoprene and that are especially impermeable to gases and resistant to abrasion, tearing, etc …   English World dictionary

  • butyl rubber — butilkaučiukas statusas T sritis chemija apibrėžtis Izobuteno ir 1–5% izopreno kopolimeras. atitikmenys: angl. butyl rubber rus. бутилкаучук …   Chemijos terminų aiškinamasis žodynas

  • butyl rubber — noun synthetic rubber made by polymerizing isobutylene • Hypernyms: ↑rubber, ↑synthetic rubber …   Useful english dictionary

  • butyl rubber — noun A synthetic rubber made by the polymerization of isobutene and isoprene …   Wiktionary

  • butyl rubber — noun a synthetic rubber made by polymerizing isobutylene and isoprene …   English new terms dictionary

  • butyl rubber — /bjutəl ˈrʌbə/ (say byoohtuhl rubuh) noun a synthetic rubber, prepared by polymerisation of butylene containing a little butadiene, used for inner tubes of motor vehicle tyres because of its airtight qualities. {trademark} …   Australian English dictionary

  • butyl rubber — A synthetic rubber used as a base for one type of adhesive. It has poor resistance to petroleum oils and gasoline but excellent resistance to vegetable and mineral oils; to such solvents as acetone, alcohol, phenol, and ethylene glycol; and… …   Dictionary of automotive terms

  • butyl — [byo͞ot′ l] n. [< L butyrum, BUTTER + YL] 1. any of the four monovalent organic radicals (normal butyl, secondary butyl, tertiary butyl, isobutyl) having the same formula, C4H9, but differing in properties and structure ☆ 2. BUTYL RUBBER …   English World dictionary

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