Polyurethane Prepolymer
Mar 10, 2021
Polyurethane yog ib lub siab molecular polymer tsim los ntawm cov tshuaj tiv thaiv ntawm polyisocyanate thiab polyether los yog polyester polyol nyob rau hauv tej yam kev mob.
Polyurethane prepolymer tsuas yog ib qho khoom ua tiav ib nrab tau txais los ntawm kev tswj hwm ib qho piv txwv ntawm polyisocyanate thiab polyol los ua haujlwm. Vim muaj ntau yam ntawm polyisocyanates thiab polyols, cov tshuaj tiv thaiv kab mob sib txawv.
