Synthesis and characterization of new functional bismaleimides

被引:18
作者
Hulubei, C [1 ]
Gaina, C [1 ]
机构
[1] P Poni Inst Macromol Chem, R-6600 Iasi, Romania
关键词
D O I
10.1088/0954-0083/12/2/301
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Functional bismaleimides containing gamma-lactone, carboxyl, aldehyde, hydroxyl, azomethine or cinnamoyl groups were synthesized from maleimido benzoic acid via its acid chloride with phenolphtaleine, 5,5'-methylene-bissalicylic acid, 5,5'-methylene-bissalicylaldehyde, glycerol, tartaric acid and 3,4-bis(hydroxyethan-2-tioether)-rho-maleimidobenzoic acid, by simple condensation or polymer analogous reactions on some of these reactive bisimides. The monomers were characterized by IR, H-1-NMR and elemental analysis. The DSC curves of all the samples showed an exotherm in the temperature range of 134-310 degrees C, which is attributable to curing reactions. Thermogravimetric analysis of the uncured resins indicated good thermal stability and a char yield of bismaleimide resins in accordance with the calculated C/H ratio. Their relative thermoxidative stability was evaluated by isothermal gravimetric analysis.
引用
收藏
页码:247 / 263
页数:17
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