anhydride

Other suitable types of wax are maleic anhydride and bisamide modified wax.

[0050]其他适的蜡类型和bisamide顺丁烯二酐改性蜡。

By the improved method, proglumide was synthesized in acetic anhydride with toluene as the dehydrating agent.

本文报道成抗溃疡药丙谷胺的改进工艺。

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

以氯苯和邻苯二甲酐起始原料，经四步工序成马吲哚，总收率23．4％。

The synthetic technique of new type high molecular ashless dispersant of polybutene (PBP) and dimaleic anhydride was described.

介绍了新型高分子聚异丁烯双马来酐无灰分散剂的成工艺。

Amino phthalhydrazide was synthesized from phthalic anhydride by four steps of nitrationidehydration, hydrazinolysis and reduction reactions in this paper.

以邻苯二甲酐原料,经硝化、脱水、肼化、还原等步骤成了3-氨基邻苯二甲酰肼。

Dodecanol abietate succinic anhydride was synthesized from abietic acid.The structures of products were characterized by spectrum of IR，HNMR and MS.

以枞起点，成了十二醇酯琥珀酐，采用红外光谱、核磁共振波谱及质谱对中间产物及终产物进行了结构表证。

The mechanical property and thermal stability of cured epoxy resin were closely related to the chemical structure of hydrogenated terpinene maleic anhydride.

氢化萜烯马来酐的化学结构与固化物的机械强度及热稳定性密切相关。

The diisoamyl glutarate in catalysis of silicotungsticacid was preparated by esterification of isoamyl alcohol and glutaric anhydride seperated from dicarboxylic acid.

用硅钨杂催化剂,以从二羧中分离出的戊二酐和异戊醇原料成了戊二二异戊酯。

Phthalein acid anhydride Photophobic pharmaceutical and has special protective action on the ultraviolet ray. It can cure sunlight dermatitis, eczema, etc.

酞酐避光剂，对紫外线具有特殊的保护功效，可治疗日光性皮炎，湿疹等。

The test for treatment of waste water from acetic acid and acetic anhydride production by using anaerobic digestion-aerophile biochemical method is described.

介绍对醋、醋酐生产中的有机废水采用厌氧好氧生化处理方法的试验。

E—M water treatment agent for boilers,composed of ethylenediamine tetramethylene phosphonic acid(EDTMP) and hydrolyzed polymaleic anhydride (HPMA),and its applications are introduced in this article.

介绍由乙二胺四亚甲基膦(EDTMP)和水解聚马来(HPMA)组成的锅炉水处理剂E—M配方及其应用实例。

In the presence of catalyst phosphoric acid,isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.

用磷做催化剂，催化工业双戊烯与顺丁烯二酐进行异构加成反应。

In this paper,1 acetylaminoanthraquinone was synthesized by using 1 aminoanthraquinone and acetic anhydride as starting materials and by using acetic acid as solvent.

本文以1氨基蒽醌和乙酐原料，乙作溶剂，成了1乙酰氨基蒽醌。

From rosin purified abietic acid was prepared by using abietic acid as stared material acylamino surfactant was synthesized by maleric anhydride and diethanolamine.

用松香纯化得到的松香(枞)与马来酐反应得马来海松,再与二乙醇胺反应制得松香马来酰胺基乙醇表面活情剂.

This study focused on the recovery of aromatic polycarboxylic acids from the mother liquor of manufacturing trimellitic anhydride and it's application for making mixed plastifier.

本研究对生产偏酐所产生的母液中含有的芳香族羧加以回收，用于生产混酯增塑剂。

In the presence of acetic acid and polyethylene glycol, chromic anhydride and acenaphthene react under mild condition and acenaphthene can completely convert into acenaphthenone.

在醋、聚乙二醇存在下 ,铬酐和苊在温和的条件下反应 ,苊可以完全转化苊酮。

In this paper, the synthesis of 2 - chloranthraquinone and 2 - aminoanthraquinone was studied.It was prepared from phthalic anhydride by acetyiation, hydrolysis and cyclization.

以苯酐和取代苯原料,经过乙酰化、水解及环反应,成了2-氯蒽醌和2-氨基蒽醌,并对影响收率的工艺条件进行了研究。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰氯、甲基丙烯酐和甲基丙烯作酰化剂，研究了胆甲酯分子中羟基的反应活性。

Moreover, we found that N-heterocyclic carbene (NHC) could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作一种有机小分子催化剂，分别催化各类硅试剂或酐对氮杂环丙烷化物的开环。

Firstly, p-methylacetophenone was obtained in the presence of alchlor as the catalyst, and the optimum condition was 4:1:2 in molar ratio for toluene, acetic anhydride and alchlor with yield of 86.2%.

首先，以甲苯和乙酐原料，在催化剂三氯化铝存在下成对甲基苯乙酮，并确定甲苯，乙酐和三氯化铝的最佳摩尔比4: 1: 2，收率86.2%。