1) Benzimidazole-2-thiol
![点击朗读](/dictall/images/read.gif)
橡胶防老剂 MB
2) 1,3-Dihydro-2H-benzimi-dazole-2-thione
![点击朗读](/dictall/images/read.gif)
防老剂MB
3) MB-98 catalyst
![点击朗读](/dictall/images/read.gif)
MB-98催化剂
4) Application of MB 86 Catalyst
![点击朗读](/dictall/images/read.gif)
MB-86催化剂应用
5) rubber antioxidant
![点击朗读](/dictall/images/read.gif)
橡胶防老剂
1.
A new method for synthesizing N -(1,3-dimethyl butyl)- N ′-phenyl- p -diamino benzene (4020),as rubber antioxidant,was investigated in a prototype plant.
以研究成功的橡胶防老剂4020合成新工艺的小试和中试条件为依据,完成了工业化生产的研究。
2.
The conventional process for the synthesis of rubber antioxidant 4020 from the 4-anino diphenylamine and methyl isobutyl ketone under high pressure can be replaced by a new three-step process using p -aminophenol, methyl-isobutyl ketone, formic acid and aniline as raw materials.
以橡胶防老剂 40 2 0合成新工艺小试条件为依据 ,完成了放大试验过程的工艺研究 ,改变了传统的在高压下以较大分子为原料合成橡胶防老剂 40 2 0的工艺路线。
3.
A new method to synthesize rubber antioxidant 4020(N(1,3Dimethylbuty)N ′PhenylPhenylnediamine) is studied bypaminophenol,methylisobutyl ketone,formic acid and aniline under atmosphere.
探索了利用对氨基酚、甲基异丁基酮、甲酸、苯胺在常压下合成橡胶防老剂 4 0 2 0的新方法。
6) MB and MOS-2 collector combination
![点击朗读](/dictall/images/read.gif)
MB与MOS-2混合捕收剂
1.
Laboratory test was made on using MB and MOS-2 collector combination instead of sodium isobutyl xanthate.
工业试验结果表明,与异丁基黄药相比,MB与MOS-2混合捕收剂可使铜精矿铜、金及银的回收率分别提高0。
补充资料:橡胶防老剂 MB
分子式:C7H6N2S
分子量:150.20
CAS号:583-39-1
性质:熔点301-305°C。水溶性<0.1 g/100 mL at 23.5°C。
分子量:150.20
CAS号:583-39-1
性质:熔点301-305°C。水溶性<0.1 g/100 mL at 23.5°C。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条