丁基橡胶

丁基橡膠

dīngjī xiàngjiāo

noun

Meanings

1 butyl rubber (IIR)
2 isobutylene-isoprene synthetic rubber

Characters

fourth (butyl, C4 chemistry)

base, chemical group

oak / rubber (bound)

Examples

轮胎内胆常用丁基橡胶制成。

Lúntāi nèi dǎn chángyòng dīngjī xiàngjiāo zhìchéng.

Inner tubes of tires are often made of butyl rubber.

丁基橡胶气密性很好。

Dīngjī xiàngjiāo qì mì xìng hěn hǎo.

Butyl rubber has excellent air-tightness.

Tips

usage

丁基 is the systematic Chinese name for the butyl group (C4H9), where 丁 is the 4th Heavenly Stem used by Chinese chemistry to number carbon chains: 甲 C1, 乙 C2, 丙 C3, 丁 C4. So 丁烷=butane, 丁基=butyl, 丁酸=butyric acid, and 丁基橡胶=butyl rubber.

Stroke Order

丁 dīng

基 jī

橡 xiàng

胶 jiāo