• The applications of room temperature ionic liquid as a green solvent and catalyst for ester synthesis is reviewed in this paper.

    本文综述了近年来离子液体作为一种绿色溶剂和催化剂在酯合成反应中的应用研究进展。

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  • The ethyl stearate react with sucrose and to synthesize the sucrose fatty acid ester in the poisonless solvent (propanediol).

    由硬脂酸乙酯与蔗糖在无毒溶剂丙二醇存在下进行酯交换反应,合成了硬脂酸蔗糖酯。

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  • The better condition was confirmed by the orthogonal experiment with the factors: solvent, the molar ratio of monosaccharide and ester reagent, temperature and reaction time.

    通过对反应溶剂的种类、多糖残基与酯化试剂的摩尔比、反应温度和时间等因素的正交实验,确定了较佳的硫酸酯化反应条件;

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  • Various aromatic diacids and various divinyl ether compounds are heated to react in organic solvent to obtain novel ester acetal polymers.

    各种芳香二酸和各种二乙烯基醚化合物在有机溶剂存在下加热反应得到新型的酯缩醛聚合物。

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  • The stable derivative of L-ascorbic acid, L-ascorbic Acid-2-sulphuric acid ester dipotassium salts are synthesized using potassium pyrosulfate as esterifying agent and pyridine as solvent.

    以焦硫酸钾为酯化剂,以吡啶为溶剂合成了L- 抗坏血酸的稳定衍生物L- 抗坏血酸- 2 -硫酸酯二钾盐。

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  • According to the technical scheme provided by the invention, the antistatic agent contains laurate, solvent, titanic acid ester, water and a catalyst. The laurate is dissolved in the solvent;

    按照本发明提供的技术方案,所述涤纶织物抗静电剂包含月桂酸酯、溶剂、钛酸酯、水与份催化剂。

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  • The good solvent is high boiling point ester compound and has the advantages of no bad smell, no toxicity, no pollution, high recovery rate, low cost, etc.

    本发明采用高沸点酯类化合物作为良溶剂,具有无难闻气味、无毒性、无污染、回收率 高、成本低廉等优点。

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  • Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification catalyzed by 1,3 specific lipases in solvent free system was studied.

    研究了在无溶剂系统中,利用1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换(反应)制取类可可脂。

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  • Cocoa butter equivalent(CBE)production from palm oil m idfraction(POMF)and stearic acid methyl ester(SAME)by interesterification catalyzed by 1,3 specific lipases in solvent free system was studied.

    研究了在无溶剂系统中,利用1,3位置特异性脂肪酶催化POMF与硬脂酸甲酯进行酯交换(反应)制取类可可脂。

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