Diethyl phthalate, tseem hu ua DEP, yog cov yas siv dav siv hauv kev tsim khoom ntawm ntau yam khoom yas thiab hauv cov khoom tu tus kheej. Nws yog cov kua ntshiab tsis muaj xim nrog cov ntxhiab tsw me me thiab muaj cov khoom yas zoo heev. DEP feem ntau yog siv los tsim cov khoom lag luam hloov pauv polyvinyl chloride (PVC) xws li cov khoom ua si, rooj tog zaum, thiab cov khoom siv kho mob, nrog rau kev tsim cov tshuaj tsw qab, tshuaj tsw qab, thiab lwm yam khoom siv kho mob.
Zoo zoo DEP plays lub luag haujlwm tseem ceeb hauv kev tsim cov khoom yas zoo. Nws ua kom cov yas tseem mos, hloov tau, thiab ruaj khov thaum tuav nws cov duab. DEP muaj txiaj ntsig zoo hauv kev txo cov brittleness thiab nruj ntawm PVC thiab lwm yam yas, ua rau lawv ntau pliable thiab yooj yim rau kev ua hauj lwm nrog.
Hauv cov khoom siv tu tus kheej, DEP yog cov khoom muaj npe nrov hauv cov tshuaj tsw qab thiab tshuaj tsw qab vim nws cov khoom hnyav. Nws pab kom yaj thiab muab cov tshuaj tsw qab sib xyaw ua ke thiab tseem pab tsim kom muaj ntxhiab tsw ntev. Nws tau pom tias muaj kev nyab xeeb rau kev siv cov khoom tu tus kheej los ntawm FDA thiab feem ntau siv hauv cov tshuaj pleev ib ce, khoom tu plaub hau, thiab khoom siv hauv tsev.
Thaum xaiv ib tus neeg muag khoom rau DEP, nws yog ib qho tseem ceeb uas yuav tau xaiv lub tuam txhab muaj koob npe uas muaj cov khoom zoo. Cov khoom zoo DEP yuav tsum muaj qhov pom tseeb tsis muaj xim thiab muaj ntxhiab tsw. Nws yuav tsum tsis muaj impurities thiab cov kab mob thiab ua raws li cov qauv zoo. Ib tus neeg muag khoom txhim khu kev qha kuj tseem tuaj yeem muab kev txhawb nqa thiab kev pabcuam kom ntseeg tau tias cov neeg siv khoom siv cov khoom raug thiab nyab xeeb.
Zuag qhia tag nrho, DEP yog ib qho tseem ceeb ntawm plasticizer thiab hnyav uas ua lub luag haujlwm tseem ceeb hauv kev tsim cov khoom yas zoo thiab cov khoom siv tu tus kheej. Xaiv ib tus neeg muab kev ntseeg siab ntawm cov khoom zoo DEP kom ntseeg tau tias cov khoom muaj kev nyab xeeb, siv tau zoo, thiab kav ntev.