Yas ntim thiab luam ntawv yog ib qho tseem ceeb ntawm cov hnab yas, cov hnab yuav khoom yog feem ntau 3% mus rau 5% ntawm cov nqi ntawm cov khoom, thiab cov hnab yuav khoom yog qhov tseem ceeb ntawm kev tiv thaiv ib puag ncig. Hauv hnab yas luam ntawv, xaiv tus cwj mem xaj yuav tsum xyuam xim rau cov nram qab no.
Feem ntau ntawm tus number case txuas kev sib txuas rau lub polymer, nws cov xwm, tab sis kuj yog ib lub hnab yas. Zoo li lub hnab yas, luam tawm ink mis degradation kuj yog cov neeg txom nyem. Nws yuav siv sij hawm ntau tshaj 50 xyoo rau tus cwj mem xaj los thuam nws yog tias nws luam tawm nrog cov yas hauv plhaub. Degradation ntawm tus lag luam tam sim no sai number case, tuaj yeem degraded hauv 5 mus rau 10 xyoo ntawm cov inks yog soybean roj number case, polyvinyl cwj mem kua, polyketone number case.
Lozis muaj cov ntsiab lus hnyav hlau.
Hnyav tib neeg intake ntawm hnyav hlau, muaj peev xwm ua rau muaj mob loj heev. Qhov hnyav hlau rau hauv lub cev, nws yuav tsim ib qho kev sib txig, yog li ntawd, qhov xaiv cov yas ntim ntawv luam xaiv xaiv xaj, yuav tsum xav txog tus cuav txheej ntawm cov khoom hnyav hlau hnyav. Tam sim no, muaj peb qho qauv ntawm kev ua lag luam.
Lwm tus cwj pwm yuav yog cov tshuaj lom thiab tsim teeb meem, hnab yas luam ntawv yuav tsum raug muab tso rau hauv koj tus account, cov tshuaj lom thiab muaj tshuaj phem muaj xws li:
Lub linker tsim cov monomers uas nyob twj ywm thaum lub sij hawm synthesis, xws li cov tshuaj toxic dawb toluene diethylene monocyanate;
Polychlorinated biphenyls thiab muaj ntxhiab amines nyob hauv cov xim thaum lawv raug coj los ua ke, uas muaj zog carcinogens.
Hnyav residues nyob rau hauv cov txheej txheem luam ntawv yuav ua rau benzene, toluene, xylene, formaldehyde tshaj. Tuam Tshoj tus qhuav ntaub so nyob rau hauv cov ntsiab lus ntawm teeb meem tshuaj muaj qhov sib thooj raws, cov kev cai ntawm, piv txwv li, yuav tsum formaldehyde ntsiab lus ntawm tsis ntau tshaj li 0.1 feem pua.
