Trimethylolpropane (TMP) ndi chinthu chofunikira kwambiri chopangira mankhwala chomwe chimagwiritsidwa ntchito mozama, minda yoyambira monga ma alkyd resins, polyurethanes, unsaturated resins, polyester resins, ndi zokutira. Kuphatikiza apo, TMP imagwiritsidwa ntchito popanga mafuta oyendetsa ndege, inki zosindikizira, ndipo imagwira ntchito ngati nsalu yothandiza komanso yokhazikika yamafuta a polyvinyl chloride (PVC) resins.
Monga chowonjezera chogwiritsidwa ntchito kwambiri pamakampani a utomoni, TMP ndi chinthu chofunikira kwambiri chomwe chikuyendetsa kukweza kwa mafakitale a polyols. Mapangidwe ake apadera a mamolekyu amapangitsa kuti pakhale malo otsika osungunuka komanso mawonekedwe a glycerol ngati polyol. TMP singangolowetsa glycerol mu kaphatikizidwe ka alkyd resins komanso synergize ndi ma polyols ena monga neopenyl glycol ndi pentaerythritol, kupititsa patsogolo mitundu ya ma alkyd resins. Kusinthasintha kumeneku kumakulitsa magwiridwe antchito komanso kusinthika kwa zinthu zopangidwa ndi utomoni, kulimbitsa gawo lofunikira la TMP pakupititsa patsogolo luso lazinthu komanso kugwiritsa ntchito bwino m'mafakitale onse.
Ma resins a Alkyd okonzedwa pogwiritsa ntchito TMP amawonetsa kukana kwa hydrolysis, kukhazikika kwa okosijeni, kukana kwa alkali, komanso kukhazikika kwamafuta, kuwapangitsa kukhala oyenera kupanga utoto wolembera mumsewu. Amagwiritsidwanso ntchito kwambiri popanga utoto wa topcoat wamagalimoto, mafiriji, makina ochapira, ndi zida zina zapakhomo. Kuphatikiza apo, TMP imagwira ntchito yofunika kwambiri popanga ma surfactants, wetting agents, zophulika, plasticizers, mapulasitiki opangidwa ndi fiberglass, rosin esters, mafuta opangira ndege apamwamba kwambiri, othandizira ma fiber processing, inki zosindikizira, ndi thovu za polyurethane, zomwe zimagwira ntchito ngati utomoni wowonjezera, nsalu zothandizira, ndi zothandizira za PVC.
Zochokera ku TMP zimapeza ntchito zambiri m'magawo angapo, zimagwira ntchito ngati ma crosslinking agents, machiritso, ma emulsifiers, zotulutsa, ndi zothandizira. Amagwiritsidwanso ntchito popanga ma electrode a membrane amadzimadzi okhala ndi kusankha kwakukulu kwa ayoni a sodium.
TMP imagwiritsidwa ntchito ngati zida zopangira ma PU ochiritsa, kupanga zokutira za UV, ndikupanga ma resin apamwamba kwambiri a alkyd. Ku China, kugwiritsa ntchito kwake kumapitilira 70% yazomwe zimagwiritsidwa ntchito m'nyumba za trimethylolpropane. Kuphatikiza apo, TMP imagwira ntchito yofunika kwambiri popanga utomoni wa polyester ndi titaniyamu woipa.
TMP ili ndi malo apakati pakuphatikizika kwa utomoni wapamwamba kwambiri wa alkyd, womwe umagwiritsidwa ntchito popanga utoto wamagalimoto apamwamba komanso ochiritsa zithunzi pamapenti ndi inki. Pomwe mtundu wazinthu zamafakitale zamagalimoto ndi zida zam'nyumba ku China ukupitilirabe, kufunikira kwa zokutira zapamwamba kwakwera kwambiri. Nthawi yomweyo, malamulo okhwimitsa kwambiri azachilengedwe achititsa kukula kwa kufunikira kwa othandizira ochiritsa zithunzi. Chifukwa chake, kufunikira kwa TMP kukuyembekezeka kukula kwambiri m'zaka zikubwerazi.
Nthawi yotumiza: Mar-20-2025