降冰片烯及其衍生物具有同以上系统相似的自愈合功能。
Norbornene and its derivates have a similar self-healing function.
介绍了国外亚乙基降冰片烯的生产技术和科研工作的进展情况。
The developments of manufacturing technology and research on ethylidene norbornene abroad were reviewed with 71 references.
本发明还提供了上述组合物作为催化剂在制备聚降冰片烯中 的应用。
The invention also provides the use of the composition as a catalyst in the preparation of polynorbornene.
本发明公开了一种降冰片烯封端的聚酰亚胺树脂及其制备方法与应用。
The invention discloses norbornene-blocked polyimide resin, a preparation method and the application thereof.
在乙烯基降冰片烯异构化中,VNB转化率和ENB选择性均接近100%。
In the isomerization of vinyl norbornene, the conversion of VNB and selectivity of ENB are both almost 100%.
产物的NMR分析证明所合成产物分子中降冰片烯环上双键未参与聚合反应。
NMR characterization of the synthesized products shows that the double bond in the norbornene rig of the product polymers is not affected by the ATRP conducted.
研究了在固体超强碱催化下由乙烯降冰片烯异构化制取乙叉降冰片烯的工艺方法和条件。
The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali.
考察了敏化剂的用量、反应物初始浓度、反应时间和溶剂对降冰片二烯光敏异构化反应的影响。
The effects of concentration of sensitizer, initial concentration of norbornadiene, reaction time and solvents on conversion of norbornadiene and selectivity of quadricyclane were investigated.
在太阳能转换与储存体系中,降冰片二烯光异构化合成四环烷是非常重要的一个反应。
In the solar energy transfer and storage system, the isomerization of norbornadiene and quadricyclane is an important reaction.
结果表明,反应前期降冰片二烯的浓度下降较快,反应后期降冰片二烯的浓度下降变缓。
The results show that the concentration of norbornadiene drops quickly in the earlier stage, while it drops slowly in the later stage.
结果表明,反应前期降冰片二烯的浓度下降较快,反应后期降冰片二烯的浓度下降变缓。
The results show that the concentration of norbornadiene drops quickly in the earlier stage, while it drops slowly in the later stage.
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