Toluene Diisocyanate (TDI) ndi chinthu chofunikira kwambiri chachilengedwe, chomwe chimapangidwa makamaka ndi momwe toluene diamine imagwirira ntchito ndi phosgene. Monga gawo lofunikira popanga polyurethane, TDI imagwiritsidwa ntchito kwambiri mu thovu losinthasintha, zokutira, zomatira, elastomers, ndi zina zambiri. TDI imapezeka m'mitundu iwiri ikuluikulu ya isomer: TDI-80 (80% 2,4-TDI ndi 20% 2,6-TDI) ndi TDI-100 (100% 2,4-TDI), ndipo TDI-80 ndiye mtundu wogwiritsidwa ntchito kwambiri m'mafakitale.
Zinthu Zofunika Kwambiri
Kugwira Ntchito Kwambiri:TDI ili ndi magulu a isocyanate omwe amagwira ntchito kwambiri (-NCO), omwe amatha kuchitapo kanthu ndi hydroxyl, amino, ndi magulu ena ogwira ntchito kuti apange zinthu za polyurethane.
Katundu Wabwino Kwambiri wa Makina:Amapereka zinthu za polyurethane zotanuka kwambiri, zolimba komanso zolimba.
Kukhuthala Kochepa:Zosavuta kukonza ndi kusakaniza, zoyenera njira zosiyanasiyana zopangira.
Kukhazikika:Yokhazikika pamene ikusungidwa mouma koma iyenera kusungidwa kutali ndi chinyezi.
Mapulogalamu
Foam Yosinthasintha ya Polyurethane:Amagwiritsidwa ntchito pa mipando, matiresi, mipando yamagalimoto, ndi zina zambiri, zomwe zimathandiza komanso zimasinthasintha.