synthetic rubber
61crepe rubber — a type of crude or sometimes synthetic rubber pressed into crinkled sheets, used esp. in making shoe soles. Also called crepe. [1905 10] * * * …
62nitrile rubber — Chem. a synthetic rubber obtained by the copolymerization of acrylonitrile and butadiene, noted for its oil resistance. [1945 50] * * * …
63nitrile rubber — noun a membrane whose predominant resinous ingredient is a synthetic rubber made by polymerization of acrylonitrile with butadiene …
64butyl rubber — noun A synthetic rubber made by the polymerization of isobutene and isoprene …
65butyl rubber — noun a synthetic rubber made by polymerizing isobutylene and isoprene …
66butyl 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} …
67styrene-butadiene rubber — /ˌstaɪrin bjutəˌdaɪin ˈrʌbə/ (say .stuyreen byoohtuh.duyeen rubuh) noun a widely used, general purpose, synthetic rubber consisting of a copolymer of butadiene and about 35 per cent styrene. Abbrev.: SBR …
68butyl 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… …
69methyl rubber — noun : a synthetic rubber made in Germany during World War I by polymerization of dimethyl butadiene …
70hard rubber — noun a hard nonresilient rubber formed by vulcanizing natural rubber • Syn: ↑vulcanite, ↑ebonite • Hypernyms: ↑rubber, ↑natural rubber, ↑India rubber, ↑gum elastic, ↑caoutchouc * * * …
