受阻酚AO-80/丁腈橡胶复合材料的压力-体积-温度关系研究

张国荣; 赵秀英; 高悦凯; 吴丝竹

doi:10.11858/gywlxb.2011.03.014

受阻酚AO-80/丁腈橡胶复合材料的压力-体积-温度关系研究

doi: 10.11858/gywlxb.2011.03.014

北京化工大学，北京市新型高分子材料制备与加工重点实验室，北京 100029

详细信息

通讯作者:
吴丝竹

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出版历程
- 收稿日期: 2010-04-16
- 修回日期: 2010-05-21
- 刊出日期: 2011-06-15

Study on the Pressure-Volume-Temperature Properties of AO-80/Nitrile Rubber Composites

Key Laboratory of Beijing on 'Preparation and Processing of Novel Polymer Materials', Beijing University of Chemical Technology, Beijing 100029, China

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Corresponding author: WU Si-Zhu

摘要

摘要: 研究制备了具有高阻尼性能的受阻酚AO-80/丁腈橡胶复合材料样品，采用动态粘弹性测试得到了损耗因子tan 与温度T的关系曲线。分析表明，随着受阻酚含量的增加，tan 峰的位置向高温方向移动，tan 峰的峰值也逐渐提高；利用pvT高压膨胀计对样品进行了测试，采用Tait方程研究了其压力-体积-温度（pvT）性能，对此计算出Tait方程中的相应参数。结果表明，由Tait方程计算所得的pvT理论关系与定性实验结果一致，具有较好的规律性，即对AO-80/丁腈橡胶复合体系b1值随AO-80量的增加而逐渐降低，AO-80量越大，该体系Tg时的绝对比容越小；b2随AO-80量的增加而逐渐增大，AO-80量越大，该体系随温度膨胀越显著；b3、b4均为常数，即B为常数，复合材料的比容只与压力存在一定关联；同时用Tait方程计算所得的值与实验值的平均残差均小于0.02，吻合度较好；结果表明，Tait方程可以较好地描述该体系的pvT关系，为定量研究阻尼材料的pvT性能提供了理论指导。
- pvT关系 /
- Tait方程 /
- 受阻酚AO-80/丁腈橡胶 /
- 复合材料
Abstract: AO-80/Nitrile rubber composites were prepared and characterized. According to DMTA experiments, the peak of tan moved towards higher temperature and the peak height of tan was also enhanced while the quantity of AO-80 increased. The pvT data was obtained by pvT dilatometer under different pressures. The parameters of Tait equations were calculated. The results showed that the pvT relationship calculated by Tait equation agreed well with the qualitative observation. The value of parameter b1 decreased while the quantity of AO-80 increased. The specific volume at Tg is smaller when the content of AO-80 was higher. The value of parameter b2 increased while the quantity of AO-80 increased. The expansion of the system with temperature was higher with the increasing of AO-80. The value of parameter b3 and b4 were constants, meaning that the parameter B was constant. The specific volume of the system was mainly affected by the pressure. The average residual of pvT data between theoretical and experimental values were all less than 0.02. It is showed that the Tait equation can be used to describe the pvT relationship of this system.
- pressure-volume-temperature relationship /
- Tait equation /
- AO-80/NBR /
- composites

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