材料的合成过程是这样:首先,他使高温碳氢混合气体和铁催化剂相互作用产生密集的碳纳米管群,然后再用聚合物充填碳纳米管间的空隙。
He created this composite by growing a forest of nanotubes using hot hydrocarbon gases and an iron catalyst, and then filling the space between the tubes with the polymer.
探讨了正硅酸乙酯的溶胶-凝胶过程中,氢氟酸,盐酸,氨水,硫酸和醋酸等催化剂对水解、聚合和胶凝时间的影响。
In the sol_gel process of TEOS (tetraethoxysilane), the effects of catalysts on hydrolysis reaction, condensation reaction and gelling properties were discussed.
聚烯烃催化剂载体粒子的宏观形态在聚合过程中控制着聚合物产品粒子的宏观形态,并影响聚合催化剂的催化性能和聚合物产品性能。
In olefin polymerization process, the macrostructure of the catalysts supports control the morphology of the polymer product, also affect the properties of both the catalysts and the product.
确定了载体中含水及含醇的较佳范围,并指出二氯化镁醇合过程中加酯进行喷雾成球对载体形态和对催化剂聚合行为均不利。
The optimum values of them in the supports are found. It is suggested that the addition of ester during spraying has detrimental effects on the support particle morphology and olefin polymerization.
反应过程中生成的金纳米粒子的催化效应可能是导致聚合物一维有序生长的原因。
The gold nanoparticles generated during the polymerization processes are considered to act as catalysts to the oriented growth of POT nanofibers.
介绍了在原料中加入聚合高分子活性添加剂以提高催化裂化轻质油收率、降低焦炭产率(即强化催化裂化反应过程)的机理。
Mechanisms to enhance FCC light oil yield and to lower the coke yield(i. e. strengthening FCC process) by adding polymeric active additives in the feedstock were introduced.
讨论了聚乳酸研究中开环聚合过程中各种催化剂的选择和使用,并对未来工作进行了展望。
In this paper, the advances on selection and use of catalysts for ring - opening polymerization of PLA are reviewed and the future work in this area is also evaluated.
讨论了聚乳酸研究中开环聚合过程中各种催化剂的选择和使用,并对未来工作进行了展望。
In this paper, the advances on selection and use of catalysts for ring - opening polymerization of PLA are reviewed and the future work in this area is also evaluated.
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