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1)  maleic anhydride
顺酐
1.
Study of modified VPO catalysts on the selective oxidation of n-butane to maleic anhydride;
VPO催化剂表面结构对正丁烷选择性氧化制顺酐的影响(英文)
2.
Selective hydrogenation of maleic anhydride to tetrahydrofuran in toluene/acidic ionic liquid biphase catalytic system;
甲苯/酸性离子液体两相中顺酐选择性加氢生成四氢呋喃的研究
3.
Gas-phase hydrogenation of maleic anhydride to γ-butyrolactone over Cu-Zn-Ti catalysts;
Cu-Zn-Ti催化剂上顺酐气相催化加氢制备γ-丁内酯
2)  cis-butenedioic anhydride unit
顺酐装置
1.
Through repairing the fixed bed calandria reactor during the molten salt leakage test in 2×104 t/a cis-butenedioic anhydride unit in Lanzhou Petroleum and Chemical Corporation,a pack of reasonable,practical and feasible technologic means was found to confirm the leakage points caused by molten salt and to repair it in reactor.
通过对兰州石油化工公司2×104t/a顺酐装置中的固定床列管式反应器熔盐渗漏的返修,摸索出一套实用、合理可行的熔盐渗漏漏点确认以及返修的工艺方法,可为类似反应器的制造提供一定的借鉴。
3)  maleation
顺酐化
1.
SBS and its epoxidation and maleation;
SBS和SBS环氧化与顺酐化研究
2.
The results showed that MAH/SBS/benzoyl peroxide(BPO)(mass ratio) 30/100/1,concentration of SBS 10 g/mL,droping time of BPO/toluene 10 min,temperature 75 ℃,and reaction time 4 h were the optimum conditions for maleation.
在甲苯/环己烷混合溶剂体系中考察了顺酐化苯乙烯-丁二烯-苯乙烯嵌段共聚物(SBS)的制备条件,得到马来酸酐/SBS过/氧化苯甲酰质量比为30/100/1、SBS质量浓度为0。
4)  maleic anhydride production
顺酐生产
1.
A large amount of waste gas containing un-reacted raw material,by-product carbonic oxide and volatile organic compounds is discharged in the course of maleic anhydride production,so it is crucial to treat the waste gas and change the harmful matter to harmless matter and release it according with the standard.
顺酐生产过程排放含有未反应原料、副产CO和挥发性有机物等大量废气,如何处理这部分废气使其中的有害物质转化,达标排放,做到既符合环保要求,又回收其中可利用的物质或能量也就显得迫切和重要。
5)  maleic anhydride-rosin
顺酐松香
1.
The semi-ester of maleic anhydride-rosin adduct with high acid value was obtained by adduction of maleic anhydride with rosin and esterification with pentaerythritol.
采用松香与顺丁烯二酸酐加成并经季戊四醇酯化得到高酸价的半酯化顺酐松香加成树脂,选用合理的水复合溶剂体系,在中和剂作用下对顺酐松香加成树脂胺化成盐制备水性连结料;利用水性连结料与优质颜料、填料和助剂通过分散研磨复配得到适合织物丝网印花的水性涂料。
6)  maleic anhydride reaction
顺酐化
1.
The paper introduced the preparation principle of electrodeposition coatings with polybutadiene material, pointed out the importance of maleic anhydride reaction control for the hydration of polybutadiene, and gave testing method of maleic anhydride content.
介绍了以聚丁二烯为原料制备电泳漆的原理,指出顺酐化反应的控制对聚丁二烯的水性化尤为重要,并给出了顺酐含量的测定方法。
2.
Based on maleic anhydride reaction mechnism,design of liquidseperation process fordirect measurement of free anhydride content and bonded anhydride content to realize simultaneous monitor of main reaction and side reaction is give.
结合顺酐化反应机理,采用分液工艺,设计了能直接测定酸酐含量的方法,分别测出游离酸酐的含量和接入树脂酸酐的含量,实现了对主副反应同时监控。
补充资料:顺酐
    分子量98.06
    有强烈刺激气味的无色结晶粉末。密度1.48g/cm3。熔点52.8℃。沸点202℃。闪点103.3℃。自燃点476.6℃。溶于乙醇、乙醚和丙酮,难溶于石油醚和四氯化碳。与热水作用生成顺丁烯二酸。有毒。
    应用  塑料工业用于制造增塑剂。造纸工业用于制造纸张处理剂。合成树脂工业用于制造不饱和聚酯树脂、醇酸树脂等。涂料工业用于制造绝缘漆、白磁漆、烘漆、清漆等。农药工业用于制造农药马拉松和高效低毒农药4049等。医药工业用于制造长效磺胺药。油脂工业用作脂肪、油的防腐剂。有机工业用于制造富马酸及四氢呋喃等。分析化学中用作化学试剂。
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