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Synthesis and characterization of novel dendritic poly(ester-amine) with peripheral hydroxyl

机译:新型具有外围羟基的树枝状聚(酯胺)的合成与表征

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Dendritic poly(ester-amine) with a peripheral hydroxyl [PEA(OH)] was synthesized from dendritic PEA terminated with acrylic double bonds [PEA()] and diethanolamine (DEA) by a Michael addition reaction. The effects of the reaction temperature, time, and solvent on the purities of PEA(OH) were studied. It was found that when the mole ratio of PEA(=) to DEA was 1:8 and the reaction was carried out in methanol at 25° C for 22 h, the purity of PEA(OH) was 94.6%. The structure of PEA(OH) was identified by IR, H-1-NMR, and elemental analysis. PEA(OH) is a surfactant and its aqueous form exhibits cloud points between the mass concentrations of 0.1 and 50 mass %. © 2005 Wiley Periodicals, Inc.
机译:通过迈克尔加成反应,由以丙烯酸双键[PEA()]和二乙醇胺(DEA)封端的树状PEA合成具有外围羟基[PEA(OH)]的树状聚(酯胺)。研究了反应温度,时间和溶剂对PEA(OH)纯度的影响。发现当PEA(=)与DEA的摩尔比为1∶8时,反应在甲醇中于25℃进行。加热22小时,PEA(OH)的纯度为94.6%。 PEA(OH)的结构通过IR,H-1-NMR和元素分析鉴定。 PEA(OH)是一种表面活性剂,其水性形式在0.1至50质量%的质量浓度之间显示出浊点。 &复制; 2005 Wiley期刊公司

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