Qhov sib txawv ntawm DOP thiab DOTP

DOP thiab DOTP yog ob feem ntau siv plasticizers hauv kev lag luam yas. Plasticizers ua lub luag haujlwm tseem ceeb hauv kev txhim kho qhov yooj yim thiab nthuav dav ntawm cov yas, ua rau lawv yooj yim dua rau kev ua thiab siv ntau yam kev siv.

DOP, lossis dioctyl phthalate, yog phthalate-based plasticizer uas tau siv ntau xyoo lawm. Nws yog dav siv hauv kev tsim cov khoom siv PVC xws li cables, xov hlau, kav dej, thiab hauv pem teb. Ib qho txiaj ntsig tseem ceeb ntawm DOP yog nws tus nqi qis, ua rau nws muaj kev xaiv nrov ntawm cov tuam ntxhab.

DOTP, los yog dioctyl terephthalate, yog ib qho tshiab tshiab tsim plasticizer uas tau txais koob meej vim nws cov yam ntxwv zoo tshaj plaws. Nws yog non-phthalate plasticizer, uas txhais tau hais tias nws tsis muaj phthalates uas yuav ua rau tib neeg noj qab haus huv thiab ib puag ncig. DOTP muaj cov cua sov thiab txias ua haujlwm, nrog rau cov khoom siv hluav taws xob zoo heev. Nws yog siv nyob rau hauv ntau yam kev siv xws li hlau thiab cable, automotive interiors, thiab flooring.

Qhov sib txawv tseem ceeb ntawm DOP thiab DOTP nyob hauv lawv cov tshuaj muaj pes tsawg leeg. DOP yog raws li phthalic acid, thaum DOTP yog raws li terephthalic acid. Qhov sib txawv ntawm qhov muaj pes tsawg leeg muab DOTP ntau qhov zoo dua DOP, suav nrog nws qhov qis qis dua, kev ua haujlwm zoo dua rau kev tsiv teb tsaws, thiab zoo dua thermal stability.

Hauv cov ntsiab lus, thaum DOP thiab DOTP yog ob qho tib si yas tsim los txhim kho cov khoom ntawm cov yas, muaj qee qhov sib txawv tseem ceeb ntawm ob. Thaum DOP yog ib qho kev xaiv ntau dua thiab qis dua, DOTP muaj cov yam ntxwv ua tau zoo dua thiab yog qhov kev nyab xeeb dua, tsis yog phthalate lwm txoj. Ob lub plasticizers ua lub luag haujlwm tseem ceeb hauv kev lag luam plastics, thiab cov tuam ntxhab tuaj yeem xaiv qhov twg los siv raws li lawv cov kev xav tau tshwj xeeb thiab cov kev xav tau.