Phthalates, los yog phthalate esters, yog esters ntawm phthalic acid . Lawv tsuas yog siv raws li plasticizers , piv txwv li, tshuaj ntxiv rau cov khoom yas kom lawv ua tau yooj yim, muaj kev vam meej, kav ntev, thiab kev thev ntev. Lawv yog siv feem ntau mus rau soften polyvinyl chloride (PVC).
Cov phaus uas qis dua qis dua, cov uas tau muab los ntawm C3-C6 alcohols, tab tom hloov cov khoom hauv Teb Chaws Asmeskas , Canada , thiab European Union hla kev noj qab haus huv kev txhawj xeeb. [3] [4] Lawv hloov los ntawm cov phthalates siab (high-molecular-weight phthalates) (cov uas muaj ntau tshaj 6 carbons hauv lawv pob txha, uas ua rau lawv muaj kev ruaj khov thiab ruaj khov). Hauv xyoo 2010, cov kev lag luam tseem tseem yog cov khoom phom phaj siab; txawm li cas los xij, vim muaj kev cai lij choj thiab kev loj hlob ntawm tej kev paub thiab kev pom zoo, cov neeg tsim khoom tsim muaj kev yuam siv cov khoom tsis muaj phom phaj.
Dioctyl terephthalate (bis (2-ethylhexyl) benzene-1,4-dicarboxylate los yog Di (2-ethylhexyl) terephthalate), feem ntau muab txo DOTP los yog DEHT, yog ib qho organic compound nrog rau tus qauv C6H4 (CO2C8H17) 2. Nws yog ib qho uas tsis yog phthalate plasticizer , ua tus diester ntawm terephthalic acid thiab ceg ntoo 2-ethylhexanol . Qhov no tsis muaj kob uas tsis muaj kob siv rau soften g PVC plastics yog paub txog tshuaj lom neeg zoo sib xws rau cov hom phiaj phthalates xws li DEHP thiab DINP , tab sis tsis muaj kev cai tsis pom zoo. Nws muaj cov khoom zoo zoo heev thiab yuav muab siv ua ib daim ntawv hloov ncaj qha rau DEHP thiab DINP nyob rau hauv ntau daim ntawv sau npe.
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