anhydride

Corn starch, modified by acid, can be acetylated to starch acetate by treatment with acetic anhydride.

以酸解醋酸淀粉为主要原料,添加增强剂、玉米淀粉和木薯淀粉等原料, 制成了一种新型粘合剂.

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.

Tetrachlorophthalic anhydride was synthesized with phthalic anhydride as raw material, compounded iodine as catalyst by direct separation of crystal from solvent on the basis of solvent method.

在溶剂法基础上，以苯酐为原料，复合碘作催化剂，产品直接结晶分离的方法合成四氯邻苯二甲酸酐。

Therefore , determination the content of maleic anhydride in different conditions is researched.

目前, 文献上提到的顺丁烯二酸酐含量测定方法的误差较大.

The kinetics of esterification of linalool with acetic anhydride was studied.

研究了芳樟醇与乙酸酐酯化反应动力学.

Well, we'll ship the bichromate in steel drums and the chromic anhydride in oil cans.

嗯, 我们会把重铬酸盐用钢桶装,而无水铬酸则用油罐装.

Phosphorous acid is the acid anhydride of orthophosphoric acid ( H 3 PO 4 ).

五氧化二磷是正磷酸 ( H3PO4 ) 的酸酐.

Succinic acid dehydration is one of industrial Methods: To produce succinic anhydride.

丁二酸脱水法是工业生产丁二酸酐的方法之一.

Phosphono-containing maleic anhydride-acrylic acid copolymer as scale inhibitor was synthesized from maleic anhydride ( MA) and acrylic acid ( AA) in water solvent using persulfate-hypophosphite as oxidation-reducton initiator.

以水为溶剂，马来酸酐（MA）、丙烯酸（AA）为单体，过硫酸盐-次磷酸盐氧化还原体系为引发剂，合成马来酸酐-丙烯酸含膦共聚物阻垢剂。

Sulfuric acid and acetic anhydride were used as a cyclizing agent to prepare Ofloxacin intermediate.

用硫酸乙酐混合物作环合剂,制备了氟嗪酸中间体.

Acetylsalicylic acid was synthesized from salicylic acid and acetic anhydride catalyzed by strong-acid cation exchange resin.

以水杨酸和乙酸酐为原料、强酸阳离子交换树脂为催化剂合成阿司匹林.

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

其他合适的蜡类型和bisamide顺丁烯二酸酐改性蜡.

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.

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.

Tar was extracted from the mother liquid of the carbonylation synthesis of acetic anhydride reaction. The extracted tar was analyzed by GC/ MS method. The reaction mechanism of tar formation in acetic anhydride synthesis were studied in this article.

通过对羰基合成醋酐反应副产物焦油物质进行GC/MS分析，对焦油生成的反应机理作了较详细的研究。

Some low alcohols with different azo-chains were linked up with polymaleic anhydride to prepare bipolar polymaleates.

在聚马来酸酐上接上具有不同偶氮基 侧链 的小分子醇,合成了双亲性聚马来酸酯聚合物.

A new type gemini surfactant was synthesized from 1,4-butanediol , maleic anhydride and 1-octadecanol.

采用1,4- 丁二醇 、 马来酸酐及十八醇为主要原料,合成出一种双子表面活性剂1, 4- 丁二醇双琥珀酸十八醇双酯磺酸钠.

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.

The organic compounds are mainly benzoic acid anhydride , benzophenone, and so on.

生成的有机化合物成分比较复杂,主要成分有苯甲酸酐、苯甲酮等.

The experimental results indicated that the specific retention volume method through gas chromatography was easy to be used to evaluate non aqueous solvents for recovery of maleic anhydride and the difference between theoretical yield and the industrial yield of maleic anhydride was only 0.58%.

实验结果表明，气相色谱比保留体积法评选顺丁烯二酸酐非水回收溶剂简便易行，与已知工业化数据仅相差0.58%。

A copolymer has been synthesized from acrylic acid and maleic anhydride.

以丙烯酸和马来酸酐为原料合成出了一种共聚物.

Stearone glycol fumaric acid ( SGF ) was synthesized with maleic anhydride, cinnamyl alcohol and ethylene glycol.

由于烯二酸酐经醇解转型酯化途径合成了对皮肤无过敏反应的反丁烯二酸桂醇甘醇酯 ( SGF ).

N-phenyl maleimide was synthesized from maleic anhydride and aniline.

以顺酐和苯胺为原料,合成N - 苯基马来酰亚胺.

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.

Aspirin is synthesized through O-acylating reaction from acid and anhydride acid with anhydrous carbonate as catalyst.

以水杨酸和乙酸酐为原料,采用无水碳酸钠作为催化剂经O - 酰化反应合成了阿司匹林.

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.

Application: Mainly used as raw material of Glutaric Anhydride.

用途: 主要用作戊二酸酐的原料.

Produced by a Reaction of Phthalic Anhydride and Alcohol.

邻苯二甲酸酐与醇反应产物.

Anhydride-type curing agents require the application of heat to promote polymerization.

酸酐类固化剂则要求加热以促进聚合反应.

A process of Cr electroplating at room temperature with low chromic anhydride content was proposed.

提出了一种常温低浓度镀铬工艺.