sodium-isoprene rubber
1isoprene — [ī sōprēn΄, ī səprēn΄] n. [coined (1860) by C. G. Williams (1829 1910), Brit chemist < ISO + PR(OPYL) + ENE] a colorless, volatile liquid, CH2:C(CH3)CH:CH2, prepared by the dry distillation of raw rubber or synthetically: when heated with… …
2industrial polymers, major — Introduction chemical compounds used in the manufacture of synthetic industrial materials. In the commercial production of plastics, elastomers, man made fibres, adhesives, and surface coatings, a tremendous variety of polymers are… …
3elastomer — 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… …
4industrial polymers, chemistry of — Introduction structure and composition of chemical compounds made up of long, chainlike molecules (molecule). What distinguishes polymers from other types of compounds is the extremely large size of the molecules. The size of a… …
5isoprenoid — /uy seuh pree noyd/, adj. Chem. pertaining to, derived from, or similar to isoprene. [1955 60; ISOPRENE + OID] * * * or terpene Class of organic compounds made up of two or more structural units derived from isoprene. Isoprene is a five carbon… …
6chemical 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… …
7hydrocarbon — 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,… …
8Sulfur — This article is about the chemical element. For other uses, see Sulfur (disambiguation). phosphorus ← sulfur → chlorine …
9chemical compound — Introduction any substance composed of identical molecules consisting of atoms (atom) of two or more chemical elements (chemical element). All the matter in the universe is composed of the atoms of more than 100 different chemical elements …
10Polysulfide — Polysulfides are a class of chemical compounds containing chains of sulfur atoms. In their simplest form, polysulfides are anions with the general formula S n 2− and the structure −SSn 2S−. These anions are the conjugate bases of the hypothetical …
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