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

HSK 7-9

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.

HSK 7-9

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