基于苯并噁嗪和三官能环氧树脂的共混体系,制备了可用于热熔法制备预浸料的阻燃型基体树脂.考察了树脂体系的软化点、粘性,并对其固化物的阻燃性能、耐热性能及弯曲性能进行了测试.结果表明,通过配方调整,该树脂体系粘性满足热熔法的成型要求,其固化物阻燃性能达到UL-94 V-1,极限氧指数为33,玻璃化转变温度为212℃,弯曲强度达131MPa.通过加入催化剂间苯二酚调节体系的粘度变化,当间苯二酚含量为2wt%时,体系满足预浸料制备复合材料时对粘度变化的要求.该适用于热熔法制备预浸料的阻燃型改性苯并噁嗪树脂可用于航空航天领域.
参考文献
[1] | 李明琦;李鹏;杨小平.热熔预浸料用中温固化环氧树脂体系的制备[J].玻璃钢/复合材料,2009(1):34-37,27. |
[2] | 杨思慧;王翔;王钧.预浸料用中温固化环氧树脂体系的研究[J].玻璃钢/复合材料,2015(7):73-77. |
[3] | 顾宜.苯并噁嗪树脂--一类新型热固性工程塑料[J].热固性树脂,2002(2):31-34,39. |
[4] | Yagci, Y;Kiskan, B;Ghosh, NN.Recent Advancement on Polybenzoxazine-A Newly Developed High Performance Thermoset[J].Journal of Polymer Science, Part A. Polymer Chemistry,200921(21):5565-5576. |
[5] | 赵嘉成;冉起超;朱蓉琪;顾宜.含砜基多元酚型苯并噁嗪基层压板的制备及性能[J].热固性树脂,2013(5):31-35. |
[6] | 左芳;雷雅杰;钟家春;赵睿;刘孝波.含苯并噁嗪单元的双邻苯二甲腈树脂及其复合材料的研究[J].塑料工业,2011(6):103-107. |
[7] | 刘志华;袁荞龙;黄发荣.苯并噁嗪共混树脂及其玻璃纤维布增强复合材料的制备与性能[J].复合材料学报,2013(4):13-21. |
[8] | 史汉桥;丁常方;孙宝岗;程雷;刘千;杨智勇.SW280玻璃布/苯并噁嗪热熔法预浸料的性能研究[J].玻璃钢/复合材料,2015(2):51-55. |
[9] | Qi-chao Ran;Qiao Tian;Cao Li;Yi Gu.Investigation of processing, thermal, and mechanical properties of a new composite matrix-benzoxazine containing aldehyde group[J].Polymers for advanced technologies,20103(3):170-176. |
[10] | 缪宇;王鹏;杨坡;朱蓉琪;顾宜.一种新型低黏度阻燃性苯并(噁)嗪/含磷环氧共混树脂的制备[J].化工新型材料,2015(7):48-50,53. |
[11] | Liu, C.;Shen, D.;Sebastián, R.M.;Marquet, J.;Sch?nfeld, R..Catalyst effects on the ring-opening polymerization of 1,3-benzoxazine and on the polymer structure[J].Polymer: The International Journal for the Science and Technology of Polymers,201312(12):2873-2878. |
[12] | Andreu R;Reina JA;Ronda JC.Carboxylic acid-containing benzoxazines as efficient catalysts in the thermal polymerization of benzoxazines[J].Journal of Polymer Science, Part A. Polymer Chemistry,200818(18):6091-6101. |
[13] | Oie, H.;Mori, A.;Sudo, A.;Endo, T..Synthesis of networked polymer based on ring-opening addition reaction of 1, 3-benzoxazine with resorcinol[J].Journal of Polymer Science, Part A. Polymer Chemistry,201222(22):4756-4761. |
[14] | Oie, H.;Mori, A.;Sudo, A.;Endo, T..Polyaddition of bifunctional 1,3-benzoxazine and 2-methylresorcinol[J].Journal of Polymer Science, Part A. Polymer Chemistry,201318(18):3867-3872. |
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