论文研究了具有不同固化程度的双酚A二氰酸酯-酚醛环氧树脂共混物的Tg转变和后固化过程中Tg转变的变化以及共混物的吸湿规律和湿热老化对共混物结构的影响.结果表明,固化程度可显著影响固化物的Tg和后固化过程中剩余反应的温度.表观转化率提高,则吸湿性降低;固化程度越大,湿热老化对化学结构影响越小,但当固化转化率不高时(例如小于90%),湿热老化可能对共混物结构产生显著影响.
参考文献
| [1] | Hamerton I Ed.Chemistry and Technology of Cyanate Ester Resins[M].Glasgow:Chapman and Hall,1994 |
| [2] | Hay J H In Hamerton I eds.Chemistry and Technology of Cyanate Ester Resins[M].Glasgow:Chapman and Hall,1994 |
| [3] | Bauer M;Tanzer W;Much H et al.Reactions of polyfunctional cyanuric acid esters with polyfunctional glycidyletherI:Identification[J].Acta Polymerica,1989,40(05):335-340. |
| [4] | GuoBC;Fu W W;Jia D M et al.Cure behavior and kinetics of dicyanate-novolac epoxy resin blends[J].Polymers and Polymer Composites,2002,10(03):237-248. |
| [5] | Reading M;Hahn B;Crow B .Method and apparatus for modulated differential analysis[P].US:5224775,1993. |
| [6] | Gill P S;Sauerbrunn S R;Reading M.Modulated differential scanning calorimetry[A].,1993:931-939. |
| [7] | T. Hayashi;H. Nakamura;T. Suzuki .Characterization of the curing behaviour of cyanic ester by a positronannihilation lifetime technique[J].Polymer: The International Journal for the Science and Technology of Polymers,1999(4):1053-1056. |
| [8] | Venditti RA.;Jean YC.;Lou Y.;Gillham JK. .FREE VOLUME AFTER CURE VS FRACTIONAL CONVERSION FOR A HIGH-T-G EPOXY AMINE THERMOSETTING SYSTEM[J].Journal of Applied Polymer Science,1995(10):1207-1220. |
| [9] | 郭宝春,傅伟文,贾德民,汪磊,邱清华.湿热老化对氰酸酯树脂/酚醛环氧树脂共混物结构与性能的影响[J].复合材料学报,2002(03):6-9. |
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