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Synthesis and characterization of some novel copolymer resins. III

机译:某些新型共聚物树脂的合成与表征。三级

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In continuation of our endeavor to develop synthetic resins of improved properties and performance, we report here the synthesis of mixed copolymer resins by the condensation of resorcinol, aniline, and formaldehyde with ortho-, meta-, and para-phenylenediamine separately. The resins were characterized by infrared (IR) and thermogravimetric analysis (TGA). The mixed copolymer resins were found to have superior thermal stability over conventional phenol-CH2O and resorcinol-CH2O resins. The solubility behavior of the resins showed that they are resistant to common solvents. However, they are soluble in concentrated Ha(2)O(4) and HNO3, but insoluble in concentrated HCl. (C) 1998 John Wiley & Sons, Inc. [References: 25]
机译:为了继续努力开发性能和性能得到改善的合成树脂,我们在这里报告了间苯二酚,苯胺和甲醛分别与邻,间和对苯二胺缩合合成的混合共聚物树脂。通过红外(IR)和热重分析(TGA)对树脂进行表征。发现混合共聚物树脂具有比常规酚-CH 2 O和间苯二酚-CH 2 O树脂优异的热稳定性。树脂的溶解性能表明它们对普通溶剂具有抵抗力。但是,它们可溶于浓Ha(2)O(4)和HNO3,但不溶于浓HCl。 (C)1998 John Wiley&Sons,Inc. [参考:25]

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