| 坡缕石提纯和改性及其在NBR中的应用研究 |
| Purification and modification of palygorskite and its application in NBR |
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| DOI： |
| 中文关键词: 坡缕石 提纯 表面改性 NBR |
| 英文关键词: palygorskite purification surface modification NBR |
| 基金项目:甘肃省地勘局科研资助项目（GD2002Y2.4）；甘肃省科技厅资助项目（GS022-B52-104） |
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| 中文摘要: |
| 对坡缕石进行提纯和改性，考察多种改性坡缕石对NBR胶料性能的影响。结果表明，提纯后坡缕石的质量分数达到0.93，平均粒径仅为0.92 μm；硅烷偶联剂KH-560对坡缕石的改性效果较好；与填充未改性坡缕石相比，填充改性坡缕石NBR胶料的物理性能普遍提高；改性坡缕石在NBR中可替代炭黑N330。改性提纯坡缕石的价格仅为炭黑N330的1/5～1/4。 |
| 英文摘要: |
| The palygorskite was purified and modified，and the influence of several modified palygorskites on NBR compound was investigated.The results showed that the purity of the purified palygorskite reached 93%，but its average particle size was only 0.92 μm；the better effectiveness was obtained for the palygorskite modified with coupling agent silane KH-560；the physical properties for the NBR compound filled with modified palygorskite improved generally when compared to those filled with unmodified palygorskite；and the modified palygorskite could be used in NBR compound instead of black N330，but its price was 75%～80% lower than that of the latter. |
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