A series of transparent casting polyurethane resins (TCPU) were synthesized from cycloaliphatic diisocyanate (H_(12)MDI), polyols, crosslinking agent, catalyst, and special aids (T).

• 以4,4′-二环己基甲烷二异氰酸酯(H12MDI)、聚醚多元醇、交联扩链剂、催化剂及助剂合成了一些透明聚氨酯树脂材料。