Compared with the original bentonite modification, lithium-base bentonite can improve the properties of green sand and the optimum added content is 8 %.
与原膨润土相比，锂化膨润土的加入改善了湿型砂的性能，最佳加入量为8%。
A combined method of thermal treatment and mechanochemical modification of bentonite is briefly presented in this paper.
采用热处理与机械力化学改性相结合的方法活化膨润土，可制备橡胶补强填料。
Results indicated that organic bentonite could be prepared firstly by Na-modification and then by quaternary ammonium treatment.
研究表明，采用天然钙基膨润土通过钠化提纯、季铵盐有机改性的方法，可以制备出性能优良的有机膨润土。
This product is made from the natural Ca-bentonite after a process of purification, modification, long-chain organic cation covers and so on.
本产品以天然优质钙基膨润土为原料，经提纯、改型、长链有机阳离子覆盖等过程精制而成。
This product is made from the natural Ca-bentonite after a process of purification, modification, long-chain organic cation covers and so on.
本产品以天然优质钙基膨润土为原料，经提纯、改型、长链有机阳离子覆盖等过程精制而成。
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