铝酸酯偶联剂，aluminate coupling agent，是用于无机填料表面活性改造。
本文介绍铝酸酯偶联剂的品种、结构、性能、偶联机理及在复合材料中的应用。
This paper deals with the variety, structure, property and coupling mechanism of aluminate coupling agent and the application of the coupling agent to plastics composite.
结果表明：硬石膏能够增韧增强PP，经铝酸酯偶联剂改性的硬石膏的增韧增强效果比不改性更加明显；
The result indicated that the anhydrite could toughen and reinforce PP. The anhydrite modified by aluminium coupling agent was more effecive than the unmodified anhydrite.
本文报告了以DL - 411 - a铝酸酯偶联剂为改性剂改性高岭上的方法与条件及其性质，并探讨了改性机理。
This paper reported the modifying method, conditions and properties of active kaolin modified by DL-411 - a aluminate coupling agent. The modifying mechanism was also investigated.
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