三乙二醇

  • 网络Triethylene glycol;TEG
三乙二醇三乙二醇
  1. 结果表明,在反应的最初4h内,二缩三乙二醇双甲基丙烯酸酯的收率即可达到95%以上,酯交换反应速率方程遵循一级反应动力学规律;

    The results showed that in the initial ( 4 h ), the yield of triethylene glycol dimethacrylate could be ≥ 95 % and that the interesterification follows the first order reaction kinetics .

  2. 采用气相色谱法,以ChromosorbGAWDMCS为担体,涂3%的SE-31固定液,在U型管色谱法柱上,对三乙二醇残渣净化所得二、三、四乙二醇进行了定性定量分析。

    Qualitative and quantitative analysis were carried out to determine dihydric alcohol purified from triethylene glycol residue by gas chromatorgraphy . using chromosorb GAW DMCS as carrier coated with 3 % SE-31 stationary liquid , tested on a U-shape glass chromatographic column .

  3. 运用BP神经网络对交联单体三乙二醇二丙烯酸酯、甲基丙烯酸缩水甘油酯、十一烯酸用量与交联度的关系进行了分析。

    The BP neural network was employed to analyze the relationship between the crosslinking monomers and crosslinking degree .

  4. 稀土元素与二缩三乙二醇二甲醚配合物的合成、NMR及其构象研究

    Studies on Synthesis , NMR and Conformation of Rare Earth Complexes with Triethylene Glycol Dimethyl Ether

  5. 溶剂甲醇过程研究I.甲醇-三乙二醇二甲醚系统的二元相平衡及应用

    Study on Solvent Methanol Process in Three Phase Slurry Reactor I. Vapor liquid Equilibrium for Binary System of Methanol with TRIGLYME and Its Application

  6. 当酯醇物质的量比为6∶1,反应时间为4h,催化剂和阻聚剂质量分别为原料质量的1.5%和0.15%时,二缩三乙二醇双甲基丙烯酸酯的收率可达95%以上。

    It was found that at the condition of the molar ratio of 6 ∶ 1 , reaction time of 4h , the dosage of catalyst and inhibitor of 1.5 % and 0.15 % , the yield of TEGDMA of 95.77 % was gained .

  7. 甲基丙烯酸甲酯与二缩三乙二醇酯交换的表观动力学研究

    Study on the Apparent Kinetics of Interesterification of Methyl Methacrylate and Triethylene Glycol

  8. 结果表明,铝合金经三乙二醇二甲醚低温微波等离子体改性后,表面得到一层均匀、致密的涂层,其化学组成为类聚乙二醇结构,表面主要聚集有大量的碳氢和碳氧极性键;

    Results demonstrate that the modified coating on the aluminum alloy is uniform and closed , which composed of PEG - like structures with carbon-hydrogen and carbon-oxygen polarity linkages on the surface mainly .

  9. 以甲基丙烯酸甲酯和二缩三乙二醇酯交换反应的方式合成了二缩三乙二醇双甲基丙烯酸酯,并考察了反应的时间进程,建立了酯交换反应的速率方程和表观动力学模型。

    Triethylene glycol dimethacrylate was synthesized by interesterification of methyl methacrylate with triethylene glycol and the reaction course were studied ; the interesterification rate equation and the apparent kinetics model were established , according to the interesterification reaction mechanism .