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Exothermic reaction can be reduced by adding hexahydrophthalic anhydride to the phthalic anhydride.

用六氢化邻苯二酸酐加入到邻苯二酸酐中,可使其放热反应减慢.

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Produced by a Reaction of Phthalic Anhydride and Alcohol.

邻苯二甲酸酐与醇反应产物.

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A widely used durable synthetic resin derived from glycerol and phthalic anhydride.

醇''.'酸'.''树脂从丙三醇和酞''.'酸'.''''.'酐'. ''中提炼出的一种应用范围很广的耐用合成树脂.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and alcohol.

采用强酸性阳离子交换树脂催化邻苯二甲酸酐与正丁醇的酯化反应.

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The market demand, price and development trend of world phthalic anhydride are reviewed.

介绍了国内外苯酐的市场需求和价格情况以及发展趋势.

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The sheet and operation in phthalic anhydride plant system after the adding partial condensator were introduced.

介绍了苯酐装置系统中增加部分冷凝器的流程,操作讨论了加部分凝冷器前后的经济效益.

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Mazindol was synthesized by four steps from chlorobenzene and phthalic anhydride an overall yield of 23.4 %.

以氯苯和邻苯二甲酸酐为起始原料,经四步工序合成马吲哚,总收率为23.4%.

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Process for synthesizing dimethyl phthalate ( DMP ) for phthalic anhydride and methanol has developed.

研究以苯酐、甲醇为原料合成邻苯二甲酸二甲 酯 的方法.

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The reaction adopted strong - acid cation exchange resin catalysed phthalic anhydride and butyl alcohol.

催化邻苯二甲酸酐与正丁醇的酯化反应.

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Trimellitic anhydride and o - phthalic anhydride are the mainly by - products in the producing process of pyromellitic anhydride.

均苯四甲酸二酐产品中主要含有偏苯三酸酐、苯酐等副产.

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I perennial companies operating chemical raw materials: styrene, anhydride, phthalic anhydride, and so on.

我公司常年经营化工原料: 苯乙烯 、 顺酐 、 苯酐等.

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