Brominated nplaim taws retardants (BFRs) yog cov khoom sib xyaw ntawm txiv neej ua tshuaj uas tau ntxiv rau ntau yam khoom, suav nrog rau kev siv hauv kev lag luam, ua rau lawv tsis tshua muaj nplaim taws. Lawv feem ntau siv hauv cov yas, textiles thiab cov khoom siv hluav taws xob / hluav taws xob.
Puas brominated nplaim retardants tseem siv?
BFRs yog ib pawg loj ntawm cov tshuaj organohalogen. Lawv yog cov tsis tu ncua, bioaccumulative thiab ua rau muaj kev phom sij rau tib neeg thiab tsiaj qus. Txawm hais tias qee qhov BFRs raug txwv lossis yeem thim tawm ntawm kev siv los ntawm cov chaw tsim khoom, tshwm sim thiab BFRs uas twb muaj lawm txuas ntxiv mus siv hauv cov tebchaws muaj kev lag luam.
Puas brominated nplaim retardants nyab xeeb?
Qee cov nplaim hluav taws kub hnyiab tau raug txheeb xyuas tas li, bioaccumulative, thiab tshuaj lom rau tib neeg thiab ib puag ncig thiab raug xav tias yuav ua rau muaj kev cuam tshuam txog kev coj tus cwj pwm thiab kev cuam tshuam endocrine.
Puas bromine yog nplaim hluav taws?
Bromine yog nquag siv hauv cov nplaim hluav tawsvim nws cov atomic loj thiab nws cov kev siv dav dav thoob plaws ntau yam kev siv thiab polymers. Muaj ntau tshaj 70 ntau hom ntawm cov nplaim hluav taws kub nyhiab nrog cov khoom sib txawv (reactive, polymeric, halogenated…).
Vim li cas brominated nplaim retardants phem?
Cov nplaim hluav taws tshwm sim nthuav tawm kev hem thawj rau kev noj qab haus huv, thiab tej zaum yuav ua rau muaj kev phom sij ntau dua li qhov hluav taws kub zoo. … Kev kawmpom tias niaj hnub no cov khoom siv dav siv ntau tshaj plaws muaj cov tshuaj lom neeg muaj teeb meem bromine, thiab tias lawv tau nce cov pa roj carbon monoxide thiab hydrogen cyanide tso tawm thaum hluav taws kub.
