Transparent polyurethane elastomers used for solid wheel were prepared from polyester polyol, polyether polyol, toluene disocyanate and methylene bis-ortho-chloroaniline.

• 以聚酯和聚醚多元醇、异氰酸酯、三元醇和芳香族二胺等为主要原料,研制了轮子用浇注型聚氨酯弹性体。