The invention discloses a high-transparency
polyurethane elastomer, which is of a
system of three components, namely a
prepolymer component, a
polymer component and a chain
extender component, wherein in the
prepolymer component, diisocyanate reacts with polyalcohol to generate a
prepolymer, the NCO of which is 6 to 10 percent, the diisocyanate is preferably selected from
toluene diisocyanate 80 (TDI-80), and the polyalcohol is polyepoxy
propane ether polyalcohol, the number average molecular weight of which is in a range of 400 to 3,000 and the functionality of which is 2; and the
polymer component is prepared from polyepoxy
propane ether polyalcohol, catalyst and anti-
ageing agent, wherein the molecular weight of the polyepoxy
propane ether polyalcohol is 1,000 to 5,000, and the functionality of the polyepoxy propane ether polyalcohol is 2 or 3. When the product is produced, the temperatures of the
polymer component and the chain
extender component are controlled at 30 + / - 5 DEG C, the polymer component and the chain
extender are mixed in a certain ratio and stirred uniformly, then the polymer component and the chain extender are mixed with the prepolymer component in a certain ratio, and the mixture is placed and cured for 20 to 30 minutes at the temperature of between 70 and 80 DEG C to obtain a product with excellent abrasion resistance and
impact resilience. The high-transparency
polyurethane elastomer is mainly used for manufacturing high-elasticity ice skate wheels or skateboard wheels.