以农业废弃物——谷壳灰(RHA)为填料,采用液态共混工艺(即将有机溶剂溶解的NBR生胶、改性谷壳灰和其他助剂混合形成混合胶液)制备了NBR/RHA复合涂层.用硅烷偶联剂Si69、KH550、KH560和马来酸酐(MAH)对谷壳灰进行改性,并研究了上述改性剂对谷壳灰分散性、结合胶以及NBR/RHA复合涂层结构和性能的影响.结果表明,在4种改性剂中,Si69的改性效果最好,经Si69改性后谷壳灰的分散性、谷壳灰与NBR相的界面作用,NBR/RHA复合涂层的力学性能、耐流体性能均最佳.
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