Polyurethane yog ib tug polymer tsim los ntawm cov tshuaj tiv thaiv ntawm polyisocyanates nrog polyethers los yog polyester polyols nyob rau hauv tej yam kev mob. Lub prepolymer ntawm polyurethane tsuas yog ib qho reactive semi-tiav khoom tau los ntawm kev tswj ib feem ntawm polyisocyanates thiab polyols. Vim muaj ntau yam ntawm polyisocyanates thiab polyols, cov tshuaj tiv thaiv sib txawv.
Dab tsi yog Polyurethane Prepolymer
Aug 11, 2023
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