Bunan.

/ˈbjuːnə/

Forms: Also buna.

Etymology: < German Buna, < bu- (in butadiene n.) + na- (in natrium n.).

A synthetic rubber first developed in Germany, made by the polymerization of butadiene.

ΘΚΠ

society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic rubber > specific

methyl rubber1919

Thiokol1930

polychloroprene1931

polyisobutylene1931

polybutadiene1935

polyisoprene1935

polysulphide1935

Buna1936

neoprene1937

Perbunan1938

butyl rubber1940

camel-back1942

polyesteramide1943

polydiene1946

nitrile rubber1947

cold rubber1948

SBR1956

Spandex1959

nitrile1983

1936 Chem. Abstr. 30 7384 The new German synthetic (Buna) rubber.

1938 Encycl. Brit. Bk. of Year 282/2 Buna, or synthetic rubber,..was awarded the Grand Prix at the Paris Exhibition for 1937.

1940 R. Graves & A. Hodge Long Week-end xxiii. 394 German Buna car-tyres were said to last half as long again.

1943 H. 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.

This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2022).

单词	buna
释义	Bunan. /ˈbjuːnə/ Forms: Also buna. Etymology: < German Buna, < bu- (in butadiene n.) + na- (in natrium n.). A synthetic rubber first developed in Germany, made by the polymerization of butadiene. ΘΚΠ society > occupation and work > materials > derived or manufactured material > synthetic resins and plastics > [noun] > synthetic rubber > specific methyl rubber1919 Thiokol1930 polychloroprene1931 polyisobutylene1931 polybutadiene1935 polyisoprene1935 polysulphide1935 Buna1936 neoprene1937 Perbunan1938 butyl rubber1940 camel-back1942 polyesteramide1943 polydiene1946 nitrile rubber1947 cold rubber1948 SBR1956 Spandex1959 nitrile1983 1936 Chem. Abstr. 30 7384 The new German synthetic (Buna) rubber. 1938 Encycl. Brit. Bk. of Year 282/2 Buna, or synthetic rubber,..was awarded the Grand Prix at the Paris Exhibition for 1937. 1940 R. Graves & A. Hodge Long Week-end xxiii. 394 German Buna car-tyres were said to last half as long again. 1943 H. 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. This entry has not yet been fully updated (first published 1972; most recently modified version published online June 2022). < n.1936
随便看	θ43544 θ43545 θ43546 θ43547 θ43548 θ43549 θ4355 θ43550 θ43551 θ43552 θ43553 θ43554 θ43555 θ43556 θ43557 θ43558 θ43559 θ4356 θ43560 θ43561 θ43562 θ43563 θ43564 θ25737 θ25738