crude isoprene

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• elastomer — elastomeric /i las teuh mer ik/, adj. /i las teuh meuhr/, n. Chem. an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene. [1935 40; ELAST(IC) + O + Gk méros a part] * * * ▪ chemical… …   Universalium

• Natural rubber — Rubber and India rubber redirect here. For other uses, see Rubber (disambiguation). This article is about the polymeric material natural rubber. For man made rubber materials, see Synthetic rubber. Latex being collected from a tapped rubber tree …   Wikipedia

• rubber — rubber1 rubberless, adj. rubberlike, adj. /rub euhr/, n. 1. Also called India rubber, natural rubber, gum elastic, caoutchouc. a highly elastic solid substance, light cream or dark amber in color, polymerized by the drying and coagulation of the… …   Universalium

• chemical industry — Introduction       complex of processes, operations, and organizations engaged in the manufacture of chemicals and their derivatives.       Although the chemical industry may be described simply as the industry that uses chemistry and… …   Universalium

• hydrocarbon — hydrocarbonaceous, adj. /huy dreuh kahr beuhn, huy dreuh kahr /, n. any of a class of compounds containing only hydrogen and carbon, as an alkane, methane, CH4, an alkene, ethylene, C2H4, an alkyne, acetylene, C2H2, or an aromatic compound,… …   Universalium

• Pickles, Samuel Shrowder — ▪ English chemist born April 15, 1878, Rochdale, Eng. died Feb. 11, 1962, Bradford on Avon?       English chemist who proposed a chain (actually, very large ring) structure for rubber.       After receiving a bachelor s degree in chemistry in… …   Universalium

• Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …   Wikipedia

• Butene — Butene, also known as butylene, is an alkene with the formula C4H8. It is a colourless gas that is present in crude oil as a minor constituent in quantities that are too small for viable extraction. It is therefore obtained by catalytic cracking… …   Wikipedia

• Volatile organic compound — Volatile organic compounds (VOCs) are organic chemicals that have a high vapor pressure at ordinary, room temperature conditions. Their high vapor pressure results from a low boiling point, which causes large numbers of molecules to evaporate or… …   Wikipedia

• 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

• Piperylene — chembox new Reference = [ [http://ptcl.chem.ox.ac.uk/MSDS/PI/piperylene.html Safety (MSDS) data for piperylene] . Retrieved 2007 11 14.] ImageFile = Piperylene.svg ImageSize = 200px ImageFile1 = Piperylene3D.png ImageSize1 = 200px IUPACName = 1,3 …   Wikipedia