Propylene glycol monoether acetate was synthesized using heteropoly acid as catalyst for the firsttime.

首次以杂多酸为催化剂采用酯化法合成丙醇单乙醚乙酸酯。

A method for the synthesis of hexylene glycol by catalytic hydrogenation from diacetone is presented.

介绍以双丙醇为原料,经催化加氢合成醇的方法。

The average molecular weight of polyoxytetramethylene glycol could be flexibly controlled by varying the...

未反应的四氢呋喃经适当处理后可以回收循环使用。

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

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

Benzalacetone 1,2-propylene glycol ketal was synthesized from benzalacetone and 1,2-propylene glycol in the presence of ptoluene sulphonic acid.

以对甲苯磺酸为催化剂,通过苄叉丙与-1,2-丙醇反应合成了苄叉丙-1,2-丙醇。

In the presence of ethanonitrile and polyethylene glycol, anthrone reacts with ammonium ceric nitrate to form 1 nitroanthraquinone.

乙腈、相转移催化剂聚乙醇存下 ,蒽与硝酸铈铵反应生成 1 -硝基蒽醌。

The polyester or copolyester can be converted into dimethyl terephthalate of binary acid and glycol by method of methanolysis.

介绍用甲醇醇解法把聚酯或共聚酯解聚成元酸甲酯和元醇。

Ethylene glycol monoether acetate are synthesized from acetic acid and ethylene glycol monoethyl ether with supported phosphotungstic acid catalyst.

以醋酸和乙醇单乙醚为原料,活性白土负载磷钨酸作为催化剂,合成了乙醇单乙醚醋酸酯。

Hexylene glycol for industrial use.

工业已烯乙醇。

The determination method of ethylene chlorohydrin content by u sing FID chromatograph polyethylene glycol 20M chromatographic column was introd uced.

介绍了采用FID的色谱仪聚乙醇20M色谱柱对氯乙醇的定量测定方法。

The stable organic solution of dichloroglyoxime was prepared in high yield by chlorine aerated into the ethylene glycol solution of glyoxime.

将乙肟溶于乙醇,通入氯气,生成稳定的氯乙肟溶液,这种方法制备的氯乙肟贮存稳定,产率高。

The method of liquid phase synthesis of dioxane from the cyclodehydration of diethylene glycol catalyzed by ASP-type solid acidic catalysts was studied.

研究了ASP型固体酸催化剂一乙醇(甘醇)环化脱水合成1,4-氧六环的液相反应。

The article has introduced the method such as methanol, ethanol, ethylene glycol, pointing out synthol is the new raw material of oildom.

介绍了由合成气为原料制取甲醇、乙醇、乙醇等产品的方法,指出了合成气是石油化工的新原料。

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

醋酸、聚乙醇存下 ,铬酸酐和苊温和的条件下反应 ,苊可以完全转化为苊。

Bromobutyraldehyde ethylene acetal was synthesized from crotonaldehyde by addition with hydrogen bromide and then acetalation with ethylene glycol with an overall yield of 80.

巴豆醛先与溴化氢加成,再与乙醇醛化得到3-溴代丁醛乙醇,收率80.8%。

The study is the synthesis of BFO in the medium of PEG or its derivatives - polyethylene glycol alkyl ether and polyethylene glycol alkylphenyl ether.

本论文以PEG或其衍生物脂肪醇聚氧乙烯醚和烷基酚聚氧乙烯醚为介质合成BFO。

A novel dust proofing agent for dyestuff was prepared by the addition of industrial fatty acid and glycol epoxide, which could produce a kind of emulsor.

采用工业脂肪酸和环氧乙烷加成法研制成乳化剂,进而获得一种新型染料防尘剂。