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本文合成了一种可用于高速铁路轨道结构的弹性衬垫新材料。这种材料由聚氨酯、芳香系加工油及其聚合物，以及玻璃粉等组成。用正交优化研究了这种材料的最佳组成和原料配比。由最优化的组成制备的这种弹性衬垫材料不仅具有比同类材料更优良的机械性能，而且成本较低
In this paper, a new kind of elastic liner material for high-speed railway track structure is synthesized. This material consists of polyurethane, aromatic processing oil and its polymers, and glass powder and other components. The optimum composition and raw material ratio of this material were studied by orthogonal optimization. The elastic pad material prepared from the optimized composition not only has better mechanical properties than the same kind of material, but also has lower cost