Nrum polyurethane elastomers raws li 1, 4- bordsian (BDO) Peb pom cov elastomers siv nyob rau hauv ib myriad ntawm ntau haiv zis urethane nrog cov log tsheb, cov log tsheb hnyav rau cov log tsheb, cov nyom; thiab cov chaw nyob hauv zos; cov siv tawv tawv, wiper tawg, thiab cheute cabers; yeeb nkab, hose, cov twj tso kua mis, thiab hnab yeej siv hauv cov kev pabcuam abrasive; Tsuas, muaj hwj chim, thiab roj-teb khoom xws li gaskets, li qub, hydro cua daj, ntxaij, thiab cov ntxaij vab tshaus; Nkawm khau ua kis las, khau khau thiab ua si; thiab khoom siv kho mob.
Qhov zoo ntawm PTMEG / MDI / BDD COLYURETHANE AGSTOMANS, zoo dua li kev ua haujlwm loj dua, zoo tshaj qhov kev cuam tshuam, thiab cov kev tsis txaus siab tsawg tsim-up (bow hysteresis).
Cov roj hnyav molecular ntawm ptmeg diols ntau li ntawm 21000. Tus ntug dej hiav txwv qis rau thaj tsam ntawm cov hav zoov D ntau. Cov khoom muag muag thiab tawv ntu ntxiv rau lwm cov khoom xws li ua tau zoo rau lub zog thiab cov khoom siv kub, lub zog kub, rhuav tshem lub zog.
Thaum nws los txog rau MDI systems, 1, {4- bdo yog cov saw txuas ntawm cov processors feem ntau.
L Hygroscopic, yog li cov kws sau ntawv yuav tsum tau siv cov kev tiv thaiv kom nrawm nrawm kom tsis txhob muaj cov dej noo nrog MDI.
Cov cawv ntawm cov molecular hnyav ntawm ptmeg polyol thiab qhov hnyav feem pua ntawm PTMEG mos ntu hauv PTMEG / MDI / BDDI / BDO Polyurethane tau kawm. Raws li cov% muag-rau-nyuaj thaiv ralio tsub rau hauv polyurethane, ntug dej nyab, tensile lub zog thiab kua muag teeb tsa. Elongation thaum tawg thiab hydrolysis tsis kam nce ntxiv nrog kev nce hauv ptmeg cov ntsiab lus.