In order to modify aromatic polymer, benzoic acid-bentonite was synthesized by treating alkaline Ca-bentonite with Ben - zoic acid.
为了改性具有芳烃基团的有机高分子材料，用苯甲酸改性碱性钙基膨润土制备了苯甲酸有机膨润土。
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。
Making various purification method of Ca-bentonite. Studying its synergistic retention effects on news print pulp of modified bentonite and CPAM.
对钙基膨润土进行多种方法改性、并研究了改性后的膨润土与阳离子聚丙烯酰胺对新闻纸浆的协同助留作用。
In order to broaden the application of bentonite, a kind of alkaline Ca-bent with anion exchange capability and its preparing method have been proposed in this paper.
为了拓宽膨润土的应用范围，本文提出了一种具有阴离子交换功能的碱性钙基膨润土及其制备方法。
The natural ca bentonite is used in foundry industry with bad result, can't be reused and its production cost is high.
铸造工业用天然钙基膨润土，不仅使用效果差，而且只能使用一次，且不能复用，生产成本高。
The natural ca bentonite is used in foundry industry with bad result, can't be reused and its production cost is high.
铸造工业用天然钙基膨润土，不仅使用效果差，而且只能使用一次，且不能复用，生产成本高。
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