1) metathesis ring-openning polymerization
易位开环聚合反应
2) ROMP
[英][rɔmp] [美][rɑmp]
开环易位聚合
1.
Ring-opening metathesis polymerization (ROMP) is a widespread tool for synthesizing well-defined and highly functionalized polymers.
考察了催化剂对不同极性单体在离子液体[BMIm]BF4中的开环易位聚合反应,非极性的环辛烯、含有中等极性取代基的5-羟基环辛烯单体以及含强极性取代基的5-腈基-2-降冰片烯单体的转化率分别为96%、73%和51。
2.
Ring-opening metathesis polymerization (ROMP) is a widespread tool to synthesize well-defined and highly functionalized polymers.
开环易位聚合(ROMP)反应是合成新型官能化聚合物的一个重要手段,在ROMP中,催化剂是影响单体聚合极其重要的因素。
3.
The polymerizations of all the monomers, like all other poly (norbornene)s synthesized via ROMP, could easily be tested via ~1H NMR spectroscopy.
同时考察了所合成的单体在有机溶剂和离子液体中的开环易位聚合情况,结果表明:在这两类溶剂中聚合有相似之处:随着温度的升高,聚合速率都变快。
3) Ring-opening metathesis polymerization
开环易位聚合
1.
Ring-opening metathesis polymerization of norbornene catalyzed by Grubbs catalyst [(PCy3)2·(Cl)2Ru=CHPh] was carried out.
开环易位聚合(ROMP)反应由于具有活性聚合的特点,近年来受到人们的广泛关注[1],特别是在“Grubbs”高效催化剂的合成和应用方面,这种活性聚合反应可以在常温常压的温和条件下进行,这给该方法增添了新的活力[2,3]。
2.
Their applications in olefin polymerization and ring-opening metathesis polymerization(ROMP) were discussed,and the prospect of the metallodendrimers was viewed.
介绍了一类新型烯烃聚合催化剂——金属树枝状大分子催化剂,综述了其催化烯烃聚合和开环易位聚合方面的研究进展,并对其应用前景进行了展望。
3.
Ring-opening metathesis polymerization(ROMP) is a widespread tool to synthesize well-defined and highly functionalized polymers,which has attracted considerable research attention recently in the field of polymer chemistry.
随着钌金属卡宾催化剂的发明和应用,近十几年来开环易位聚合(ROMP)因其具有活性聚合性质,且能够得到大分子量的杂链聚合物和嵌段聚合物而受到高度的重视。
4) ring-opening metathesis polymerization(ROMP)
开环易位聚合
1.
A novel amphiphilic polymer brush consisting of alternating poly(ε-caprolactone)(PCL) and poly(2-(dimethylamino)ethyl methacrylate)(PDMAEMA) side chains was synthesized via the combination of two controlled polymerization methods,ring-opening metathesis polymerization(ROMP) and atom transfer radical polymerization(ATRP) with good control over the polymerization processes.
大分子单体通过两种可控聚合方法,即开环易位聚合(ROMP)和原子转移自由基聚合(ATRP)的联用,合成一种新型两亲性接枝聚合物刷。
2.
Ring-opening metathesis polymerization(ROMP)is a widespread tool to synthesize well-defined and highly functionalized polymers.
合成了离子液体负载的钌催化剂,考察了该催化剂在离子液体中对极性环烯烃单体的开环易位聚合(ROMP)反应规律。
5) ring opening polymerization
开环聚合反应
1.
It was found that the ring opening polymerizations of epoxide based monomers with THEIC can be carried out in a heterogeneous medium smoothly.
以1,3,5-三羟乙基异氰脲酸酯(THEIC)为引发剂、三氟化硼乙醚络合物为催化剂,环氧化合物为环单体,进行了阳离子开环聚合反应的研究。
6) double ring opening polymerization
双开环聚合反应
1.
The 1H NMR, 13 C NMR and IR data as well as elemental analysis of the obtained polymers indicated that it underwent double ring opening polymerization.
聚合产物的1HNMR、13CNMR、IR及元素分析均表明发生了双开环聚合反应。
补充资料:环烯烃开环聚合
分子式:
分子量:
CAS号:
性质:环烯烃(如环戊烯)在钨(或钼)氯化物与烷基铝组成的催化剂存在下开环聚合,生成主链中含双键的链状聚合物的过程。其反应历程是环烯烃先与钨(或钼)配位活化,然后双键打开并易位使环不断扩大,最后通过自断裂或调节剂获得线型长链分子。所用单体是环烯烃或取代的单环、双环单烯烃,其中钨系催化剂催化环戊烯聚合制得的反式聚戊烯弹性体,其性质优于顺丁橡胶。
分子量:
CAS号:
性质:环烯烃(如环戊烯)在钨(或钼)氯化物与烷基铝组成的催化剂存在下开环聚合,生成主链中含双键的链状聚合物的过程。其反应历程是环烯烃先与钨(或钼)配位活化,然后双键打开并易位使环不断扩大,最后通过自断裂或调节剂获得线型长链分子。所用单体是环烯烃或取代的单环、双环单烯烃,其中钨系催化剂催化环戊烯聚合制得的反式聚戊烯弹性体,其性质优于顺丁橡胶。
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