| 释义 |
Definition of polysulphide in English: polysulphide(also polysulfide) noun ˌpɒlɪˈsʌlfʌɪd Chemistry 1A compound containing two or more sulphur atoms bonded together as an anion or group. 〔化〕多硫化物 Example sentencesExamples - Approximately 3 lb of calcium carbonate are needed to neutralize the effect of 1 lb of sulfur applied as elemental sulfur or ammonium polysulfide.
- Thiokol Chemical Corporation produced a synthetic rubber from ethylene dichloride and sodium polysulfide.
- 1.1 A synthetic rubber or other polymer in which the units are linked through such groups.
硫合橡胶 Example sentencesExamples - There are three common types: polysulfides, polyurethanes, and silicones.
- These coatings exhibit the toughness and adhesion of epoxy, with the elasticity and chemical resistance of a polysulfide.
- The polysulfide degrades, cracks and causes the window to fail and ‘fog up’.
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