Dioctyl terephthalate (DOTP) ndi pulasitiki yogwira ntchito bwino kwambiri yomwe imagwiritsidwa ntchito mu pulasitiki ya polyvinyl chloride (PVC). Poyerekeza ndi dioctyl phthalate (DOP) yomwe imagwiritsidwa ntchito kwambiri, imapereka zabwino monga kukana kutentha, kukana kuzizira, kusinthasintha kochepa, kukana kutulutsa, kusinthasintha kwabwino, komanso mphamvu zabwino kwambiri zotetezera magetsi.
Mongawogulitsa 99.5% DOTP, Aojin Chemical imapereka mapulasitiki oyera kwambiri okhala ndi zinthu zambiri. Kuti mupeze mtengo wa DOTP komanso mitengo yabwino kwambiri yogulitsira, chonde lemberani Aojin Chemical.
Ntchito zazikulu za dioctyl terephthalate ndi izi:
I. Monga pulasitiki wamkulu wa polyvinyl chloride (PVC)
DOTP ndi pulasitiki yoyambirira yogwira ntchito bwino kwambiri ya mapulasitiki a PVC. Poyerekeza ndi dioctyl phthalate (DOP) yomwe imagwiritsidwa ntchito kwambiri, imapereka zabwino monga kukana kutentha, kukana kuzizira, kusinthasintha kochepa, kukana kutulutsa, kusinthasintha kwabwino, komanso mphamvu zabwino kwambiri zotetezera magetsi. Imakhala yolimba kwambiri, kukana madzi a sopo, komanso kusinthasintha kwa kutentha kochepa pazinthu zomalizidwa. Chifukwa chake, DOTP imagwiritsidwa ntchito popanga mapulasitiki a PVC, makamaka m'malo monga mawaya ndi zingwe, zipangizo zapansi, mafilimu a zikopa zopanga, ndi mkati mwa magalimoto.
II. Amagwiritsidwa ntchito popanga zinthu zophikira chakudya
Chifukwa cha kusasinthasintha kwake kochepa komanso kukana kutentha bwino,DOTPimaonedwa kuti ndi pulasitiki yotetezeka ndipo ndi yoyenera kupanga zinthu zopangira chakudya.
III. Yogwiritsidwa ntchito m'munda wa zida zachipatala
Kuchepa kwa poizoni ndi kusagwirizana bwino kwa DOTP kumapangitsa kuti ikhale yoyenera kupanga zipangizo zachipatala. Zipangizozi ziyenera kukhala zokhazikika pa kutentha kwambiri, ndipo kukana kutentha kwa DOTP kumapangitsa kuti ikhale chisankho chabwino kwambiri.
IV. Madera ena ogwiritsira ntchito
DOTP ingagwiritsidwenso ntchito ngati pulasitiki mu rabara zosiyanasiyana zopangidwa. Kuphatikiza apo, DOTP ingagwiritsidwenso ntchito ngati chowonjezera chophimba, mafuta opangira zida zolondola, mafuta owonjezera, ndi chofewetsa pepala.
Nthawi yotumizira: Disembala-23-2025









