采用自由基水溶液聚合方法合成了超高分子量的丙烯酸(钠)聚合物。
By the method of free-radical polymerization in solution, cross-linked copolymer of sodium acrylate and acrylic acid of super-high molecular weight.
试验研究了三种聚合物材料和两种不锈钢材料的耐磨性，指出超高分子量聚乙烯（UHMWPE）最适合在含沙高速水流中工作，具有较好的耐磨性和保护作用。
The wear properties of three polymers and two stainless steels are studied. It finds out that UHMWPE is best to be applied under the conditions of high speed fluid with sand.
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