| 释义 |
buna, Buna|ˈbjuːnə|
[a. G. Buna, f. butadiene + natrium.]
A synthetic rubber first developed in Germany, made by the polymerization of butadiene.
1936Chem. Abstr. XXX. 7384 The new German synthetic (Buna) rubber. 1938Encycl. Brit. Bk. of Yr. 1938 282/2 Buna, or synthetic rubber,..was awarded the Grand Prix at the Paris Exhibition for 1937. 1940Graves & Hodge Long Week-end xxiii. 394 German Buna car-tyres were said to last half as long again. 1943H. M. Langton in R. S. Morrell Synthetic Resins (ed. 2) i. 40 Buna 85 is a pure butadiene polymer, Buna S a mixed polymer of butadiene and styrene. |