1.Phenolic resin was modified respectively using four latexes of butyronitrile-butadiene,carboxylic butyronitrile-butadiene,styrene-butadiene and pyridine-butadiene.
采用丁腈、羧基丁腈、丁、丁吡四种胶乳改性酚醛树脂。
2.The composition of butadiene polyperoxide is analyzed.The energy of explosion reactions is calculated by bond energy method.
分析了丁二聚过氧化物的组成,用键能法计算了爆炸反应能量,结果与实例相符。
3.The kinetics of deep oxidation of butene-2 and butadiene obeyed the empirical rate equation.
丁-2及丁二深氧化动力学服从经验速方程。
4.Conver rubber and cushion rubber is styrene-butadiene rubber or chlorobutadiene that has good heat resistance.
该产品可在120℃以下的常使用,适用于输送在此120℃以下的物料。
5.Lithium sec-propoxide was prepared by reaction of 2-propanol and n-BuLi or lithium,and was used as additive in anionic polymerization of butadiene(PB) in cyclohexane.
采用异丙醇和丁基锂反应制备了异丙醇氧锂,并作为添加剂在环己烷中进行了丁二的负离子聚合。
6.The catalytic system formed from polymer-supported neodymium complexes shows high catalytic activity and stereospecificity for butadiene polymerization.
聚合物载体-钕络合物催化剂具有很高的催化活性和定向效应.
7.The weight ratio of polynorbornene rubber and butadiene acrylonitrile rubber is 85-75/15-25, preferring to 80/20.
聚降冰片橡胶与丁腈橡胶的掺合共混比,以重量计为:85~75/15~25,优选80/20。
8.The results showed that with the increase of contents of oxygen,rust and peroxid seed in the recovery system,the formation of butadiene peroxid and its self-polymer increased rapidly.