• 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.

    youdao

  • 介绍了国外亚乙基冰片生产技术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.

    youdao

  • 发明提供了上述组合物作为催化剂制备冰片中 的应用

    The invention also provides the use of the composition as a catalyst in the preparation of polynorbornene.

    youdao

  • 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应用

    The invention discloses norbornene-blocked polyimide resin, a preparation method and the application thereof.

    youdao

  • 降冰片烯异构化VNB转化率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%.

    youdao

  • 产物NMR分析证明合成产物分子冰片双键参与聚合反应。

    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.

    youdao

  • 研究了在固体强碱催化下由乙冰片异构制取乙叉降冰片烯工艺方法条件

    The preparation method and technological conditions of ethylidennorbornene with the method of isomerization of vinylnorbornene are studied with the catalyst of solid super alkali.

    youdao

  • 考察敏化剂用量、反应物初始浓度反应时间溶剂冰片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.

    youdao

  • 太阳能转换储存体系中,冰片异构化合成四环烷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.

    youdao

  • 结果表明,反应前期冰片浓度较快,反应后期降冰片的浓度下变缓

    The results show that the concentration of norbornadiene drops quickly in the earlier stage, while it drops slowly in the later stage.

    youdao

  • 结果表明,反应前期冰片浓度较快,反应后期降冰片的浓度下变缓

    The results show that the concentration of norbornadiene drops quickly in the earlier stage, while it drops slowly in the later stage.

    youdao

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