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The reaction of perfluoroalkyl bromide and a,w-perfluoralkylene dibromide in sulfinatodehalogenation system with olefins and the differences in behavior between perfluoroalkyl bromides and their corresponding iodides are reported.

本文报道溴代全氟烷和α,ω-二溴代全氟烷在亚磺化脱卤反应体系中与烯烃的反应及其与相应的碘代全氟烷的区别。

The polymer carriers,the immobilization of rare earth compounds,the properties of polymer-supported rare earth metal complex es and their catalytic characteristics in the polymerization of diene was reviewed with 25 references.

对聚合物载体的合成、稀土金属化合物的固定和聚合物载体-稀土金属络合物的性质及其催化双烯烃聚合的特征进行了论述。

The present invention relates to a rubber composition including 100 parts by mass of a rubber component including a natural rubber and/or a diene rubber and 0.5 to 80 parts by mass of a biodegradable aliphatic polyester.

本发明涉及相对于含有天然橡胶及/或二烯烃系橡胶的100质量份橡胶成分,进而在0.5~80质量份的范围内含有生物降解性脂肪族聚酯的橡胶组合物。

Give the structural formulas and IUPAC names for the diene isomers, C7H10, having a cyclohexyl ring.

答:给出分子式为C7H10的二烯烃的结构式,并用IUPAC命名

Selective hydrogenation ; Nickel catalyst ; FCC light gasoline ; Diene

选择性加氢;镍催化剂;催化裂化轻汽油;二烯烃

In addtion, the β-diketone compound of Ti is complexed with late transition metal Co, Ni complex to furtherly modify the catalytic ability of the catalyst system.

利用配位配体来调节催化剂的催化性能是烯烃聚合催化剂设计和合成的基本思路和重要途径之一,是开发新型功能性聚烯烃材料的重要方法。

In this dissertation, the more denoting β-diketone ligand is used to weaken the electrophilic property of Ti center to obtain a complex for use as a catalyst precursor to polymerize ethylene, vinyl pyridine and acrylonitrile.

如何通过化学或物理化学方法来调节活性中心与非极性烯烃、活性中心与极性单体这两者之间的性能差异,使之同时能适应两类单体聚合无疑是很重要的。

The research of coplymerization of ethylene and conjugated diolefin has theory value as well as practical significance.

乙烯和共扼二烯烃共聚合的研究不仅具有理论价值而且还有实际意义。

A liquid amine ashless antioxidant HAO without phosphorus and zinc was prepared by alkylation of diphenylamine and 12 carbon iso olefin mixture, which can be applied at high temperature.

以二苯胺和含C12 的混合异构烯烃为原料,通过烷基化工艺,研制出了适于高温条件下应用的不含磷、锌元素的液态胺型无灰抗氧剂双十二烷基二苯胺。

This paper aimed as the separation of α-olefins from kerosine distillate of delayed-coking process and their application.

研究表明,在焦化馏出油中含有相当数量的直链α烯烃和直链烷烃,它们都是重要的化工原料。

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