• In this article was discussed the formulation and process of synthesis of rosin-modified unsaturated polyester of non-phthalic anhydride.

    本文讨论了无苯合成松香改性不饱和聚酯树脂配方工艺

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  • An improved and optimum process for preparing 2-Amylanthraquinone by re-acting t-amylbenzene with phthalic anhydride, involving Friedel-Crafts acylation (yield 80. 2%) and cyclization(yield 81.4%).

    以叔戊苯和笨酐原料,通过酰基关环合成了2—戊基蒽醌,改进优化了各步合成工艺条件,酰化收率80.2%,关环产品收率81.4%。

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  • Based on reaction kinetics, the process flow diagram of continuous esterification and reaction conditions were set. The conversion of phthalic anhydride was over 99.8%.

    应用酯化反应动力学,确定连续酯化流程操作条件苯酐转化率达到99.8%以上。

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  • Based on reaction kinetics, the process flow diagram of continuous esterification and reaction conditions were set. The conversion of phthalic anhydride was over 99.8%.

    应用酯化反应动力学,确定连续酯化流程操作条件苯酐转化率达到99.8%以上。

    youdao

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