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材料研究学报  2020, Vol. 34 Issue (6): 459-465    DOI: 10.11901/1005.3093.2019.475
  研究论文 本期目录 | 过刊浏览 |
含硅苯并噁嗪的制备及其对双马来酰亚胺树脂固化反应动力学的影响
贾园1, 张黎英1, 马明阳1(), 师瑞峰2
1.西安文理学院化学工程学院 陕西省表面工程与再制造重点实验室 西安 710075
2.西安科技大学化学与化工学院 西安 710054
Preparation of Si-containing Benzoxazine and Its Influence on Curing Reaction Kinetics of Bismaleimide Ester Resin
JIA Yuan1, ZHANG Liying1, MA Mingyang1(), SHI Ruifeng2
1.College of Chemical Engineering, Xi'an University, Key Laboratory for Surface Engineering and Remanufacturing in Shaanxi Province, Xi’an 710065,China
2.School of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi 'an 710054, China
引用本文:

贾园, 张黎英, 马明阳, 师瑞峰. 含硅苯并噁嗪的制备及其对双马来酰亚胺树脂固化反应动力学的影响[J]. 材料研究学报, 2020, 34(6): 459-465.
Yuan JIA, Liying ZHANG, Mingyang MA, Ruifeng SHI. Preparation of Si-containing Benzoxazine and Its Influence on Curing Reaction Kinetics of Bismaleimide Ester Resin[J]. Chinese Journal of Materials Research, 2020, 34(6): 459-465.

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摘要: 

通过溶剂法设计合成出了结构中含有硅元素的新型苯并噁嗪单体(Si-BOZ),以其作为改性体系对双马来酰亚胺树脂(BMI)进行共混改性,在降低BMI预聚物粘度的同时优化其固化工艺,改善其综合性能。选用平板小刀法测定了Si-BOZ、BMI、Si-BOZ/BMI等树脂体系的凝胶时间,红外光谱(FTIR)跟踪研究了Si-BOZ和BMI在固化过程中所发生的化学反应,非等温差示扫描量热法(DSC)研究了Si-BOZ/BMI树脂体系的固化反应动力学特征,并通过Kissinger法和Ozawa法对两者固化过程中的各参数进行了讨论。

关键词 复合材料双马来酰亚胺树脂树脂共混苯并噁嗪树脂固化动力学    
Abstract

A new Si-containing BOZ resin monomer (Si-BOZ) was prepared via chemical synthesis method, which was then used as the modifier to blend with BMI, so that to yield the BMI prepolymer with lower viscosity, and the modified BMI resin can also exhibits excellent heat resistance, radiation resistance and mechanical properties. The gelation time of Si-BOZ, BMI, Si-BOZ/BMI resin was studied by plate small knife method, the chemical reactions of Si-BOZ and BMI during curing process were studied by FTIR, and the effect of the addition of Si-BOZ on the curing reaction kinetics of BMI was studied by non-isothermal scanning calorimetry (DSC). The role of parameters in the curing process was also discussed by Kissinger method and Ozawa method.

Key wordscomposite    bismaleimide    polymer blends    benzoxazine resin    curing kinetics
收稿日期: 2019-10-15     
ZTFLH:  O631  
基金资助:陕西省教育厅科研计划(19JK0741);陕西省大学生创新创业项目(S201911080053)
作者简介: 贾园,女,1988年生,博士
图1  Si-BOZ的合成路线
图2  Si-BOZ/BMI的红外谱图
图3  两种BOZ体系的凝胶时间随温度变化关系图
图4  Si-BOZ/BMI的红外跟踪谱图
图5  BMI和Si-BOZ/BMI体系的凝胶时间与温度关系图
图6  BMI和Si-BOZ/BMI体系的非等温DSC曲线
Heating rate/℃·min-151015
Temperature of onset (Ti)/℃175.74203.76212.85
Temperature of peak (Tm)/℃250.67270.33280.07
Temperature of ending (Tf)/℃294.82310.89345.27
表1  BMI的DSC固化曲线上放热峰的峰值温度
Heating rate/℃·min-151015
Temperature of onset (Ti)/℃186.33205.97212.91
Temperature of peak (Tm)/℃239.75264.36273.54
Temperature of ending (Tf)/℃295.05320.86325.75
表2  Si-BOZ/BMI的DSC固化曲线上放热峰的峰值温度
图7  BMI和Si-BOZ/BMI树脂体系峰值温度的线性回归直线
图8  BMI和Si-BOZ/BMI树脂体系Kissinger线性拟合
图9  BMI和Si-BOZ/BMI树脂体系Ozawa线性拟合
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