Cov khoom
Roj Hmab Ua Kua - Vinyl Nruab Nrab Ua Kua Hydroxy Polybutadiene
Cov Khoom thiab Kev Siv
Cov khoom no yog tus cwj pwm los ntawm kev faib tawm qhov hnyav molecular nqaim, cov khoom rwb thaiv tsev zoo thiab kev ywj pheej zoo.
Nws siv tau rau hauv cov nplaum rau cog paj, nplaum, sealant, txheej tiv thaiv dej thiab nplaum tshwj xeeb. Nws tuaj yeem hydrogenated, thiab tom qab hydrogenation, nws tseem tswj tau qhov fluidity ntawm chav tsev kub, thiab muaj kev tiv thaiv huab cua zoo dua.
Cov lus qhia txog kev siv tshuab
| Khoom | Cov lus qhia txog kev siv tshuab | |
| Tus nqi hydroxyl, mmol / g | 0.6-0.65 | 0.9-0.95 |
| Qhov hnyav ntawm cov molecule | 3000 | 2000 xyoo |
| 1,2 Cov ntsiab lus vinyl, % | 50-70 | 50-70 |
| Viscosity (40 ℃), Pa-s | <15 | <10 |
| Feem pua ntawm cov dej,% | <0.05 | <0.05 |
Sau koj cov lus ntawm no thiab xa tuaj rau peb
