• Polyether polyurethane elastomer material was prepared based on polypropylene oxide glycol, toluene diisocyanate (TDI) and DEG as main base meterial, LDA and APP as flame retardants.

    以聚氧化烯二醇和甲苯二异氰酸酯、一缩二乙二醇等主要基体原料,以联二脲(LDA)、聚磷酸铵(APP)作为阻燃剂,制作了聚聚氨酯弹性体

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  • The differences and the reasons of nanofibers prepared by polyethylene glycol oxide solutions with different shear viscosity were also discussed.

    随着聚氧化乙烯溶液剪切粘度增加,制备的纳米纤维直径逐渐变细而且表面也较平滑。

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  • The epoxidation of propylene to propylene oxide, using cumene hydroperoxide as oxidant, molybdenum glycol complex as catalyst and ethanol as solvent, has been investigated.

    研究了以配合物催化剂过氧化氢异苯为环氧化剂乙醇为溶剂烯一步氧化环氧丙烷的反应。

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  • Latest advances in preparation of ethylene glycol(EG) were reviewed, including preparation of EG via catalytic hydration from ethylene oxide(EO) and ethylene carbonate(EC), as well as via syngas.

    综述了由环氧乙烷乙二醇、环氧乙烷碳酸乙烯酯制乙二醇、环氧乙烷催化合制乙二醇及以合成气制乙二醇研究进展

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  • Specifically, Suggestions for the projects of clean coal, propylene oxide, methyl-carbonate, polyether, cumene, acrylonitrile, propylene glycol ether, etc. were proposed.

    洁净环氧丙烷、碳酸二甲酯聚醚异丙苯丙烯腈二醇醚项目方面提出了相应的建议

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  • The title propylene glycol monophenyl ether was synthesized with phenol and propylene oxide in the presence of alkaline catalysts.

    研究不同催化剂合成丙二反应对分子量分布的影响。

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  • A new hydration process of water and ethylene oxide by reaction distillation to produce glycol in high pressure was studied.

    反应蒸馏法水合环氧乙烷生产乙二醇工艺进行了模拟。

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  • The optimum conditions for synthesis of ethylene glycol phenyl ether are as follows: the substance ratio of phenol to ethylene oxide is 1.

    采用带夹套静态混合器作为苯酚加成环氧乙烷管式反应器,无机碱或有机碱的作用下连续生产乙二醇醚。

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  • Ethylene Glycol is manufactured by hydrolysis of ethylene oxide.

    乙二醇通过环氧丙烷水解生产

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  • The free polyethylene glycol (PEG) in polyethylene oxide-polypropylene oxide type demulsifiers is separated by extraction, determined by gravimetric analysis and identified by gas chromotography.

    本文用分配萃取测定了AP原油破乳剂中的聚乙二醇

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  • The free polyethylene glycol (PEG) in polyethylene oxide-polypropylene oxide type demulsifiers is separated by extraction, determined by gravimetric analysis and identified by gas chromotography.

    本文用分配萃取测定了AP原油破乳剂中的聚乙二醇

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