1、
2、

The recent advances in technology about synthesis of trimellitic anhydride ( TMA ) from m-xylene were reviewed.

评述了间二甲苯法制偏苯三酸酐 ( TMA ) 技术的最新进展.

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3、

Cetyl phthalate was prepared from phthalic anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料,选用非酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯。

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4、

End up with the best anti-synthetic wax cetyl alcohol performance acrylic ester-maleic anhydride polymer of the process conditions.

最后得到了合成具有最佳防蜡性能的丙烯酸十六醇酯-马来酸酐高分子聚合物的工艺条件。

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5、

Like tertiary ammonium, quaternary ammonium salt has accelerating effect on curing of acid anhydride/ epoxy resin system and has a certain degree of latent tendency.

本文研究了季铵盐对酸酐/环氧树脂体系的促进作用.结果表明,这种季铵盐与叔胺一样可作为酸酐/环氧树脂固化体系的促进剂,且具有一定的潜伏性。

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6、

Diethyl glutarate was synthesized using glutaric anhydride and ethanol, which were separated from dicarboxylic acid, as raw material, heteropoly acid as catalyst.

以从二羧酸中分离出的戊二酸酐和乙醇为原料,用杂多酸为催化剂,合成了戊二酸二乙酯。

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7、

Taking methanol and maleic anhydride as feed, several catalysts were tested under a given condition to determine the best one according to the selectivity of dimethyl maleate.

在强酸性阳离子交换树脂催化剂的作用下,以甲醇与顺丁烯二酸酐为原料进行催化蒸馏合成顺丁烯二酸二甲酯的研究。

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8、

The selectivity of dimethyl maleate was up to 90% based on a complete conversion of maleic anhydride.

顺丁烯二酸酐完全转化时,二甲酯产物选择性达到90%。

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9、

Several kinds of cationic exchange resin were evaluated in terms of catalyzing the reaction of methanol and maleic anhydride to produce dimethyl maleate in a fixed-bed reactor.

在固定床反应器上对顺酐与甲醇反应生成顺丁烯二酸二甲酯的催化剂进行了筛选。

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10、

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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11、

Ring opening alternating copolymerization of phthalic anhydride and propylene oxide by nd ( naph) 3 al ( I bu) 3

Nd(naph)3-Al(i-Bu)3催化邻苯二甲酸酐与环氧丙烷交替共聚

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12、

The influence of oleoyl polyamine prepared by oleic acid and triethylene-tetramine on the properties of cured product of epoxy resin and methyhetrahydrophthalic anhydride ( MTHPA) was studied.

研究了油酸和三乙烯四胺的生成物油酰多胺对环氧树脂和甲基四氢苯酐固化物性能的影响。

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13、

The alternate copolymer of methyl vinyl ether and maleic anhydride ( PMVMA) was synthesized by using solution radical copolymerization.

采用溶液自由基共聚合方法,合成了甲基乙烯基醚(MVE)与马来酸酐(MAN)的交替共聚物(PMVMA)。

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14、

Fluorine-containing polymer-base fatliquoring agent was prepared through free radical copolymerization with maleic anhydride and natural oil.

通过动、植物油与马来酸酐共聚,然后用十二氟庚醇和高级脂肪醇酯化,合成了含氟聚合物加脂剂.

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15、

Diethyl maleate was synthesized from maleic anhydride and alcohol in the presence of sodium bisulfate monohydrate.

在一水硫酸氢钠存在下,马来酸酐与乙醇反应合成马来酸二乙酯.

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16、

Dimer and tetramer ofp-hydroxybenzoic acid were synthesized, and grafted onto random styrene-maleic anhydride copolymer ( RSMA ).

合成了对羟基苯甲酸二聚体 、 四聚体,并将其接枝到苯乙烯 - 马来酸酐共聚物 ( SMA ) 上得到侧链液晶高分子.

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17、

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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18、

The effects as the dosage catalyzer and acetic anhydride had been studied in new process.

并探讨新工艺中,异构化催化剂的用量、酰化剂醋酐的配比对乙酰甲胺磷的收率的影响.

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19、

Cetyl phthalate was prepared from anhydride and cetyl alcohol as raw materials catalyzed by non-acid catalyst.

以苯酐与十六醇为原料,选用 非 酸催化剂,在实验室合成了增塑剂邻苯二甲酸双十六烷基酯.

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20、

Monochloroacetic acid was prepared by using acetic anhydride or sulfur as catalysts to chlorinate acid respectively.

对以醋酐为催化剂和以硫磺为催化剂的醋酸氯化合成氯乙酸的优劣进行了比较研究.

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