Daim ntawv thov thaj chaw rau ntim khoom noj

Cov txheej txheem ntawm kev siv plastics los ntim cov khoom noj khoom haus feem ntau suav nrog plaub qhov kev lag luam tseem ceeb: thawj kev lag luam hais txog kev tsim cov yas resins thiab cov yeeb yaj kiab. Kev lag luam thib ob yog kev lag luam kev lag luam ntawm cov khoom ntim tau yooj yim thiab nruj, kev lag luam thib peb yog kev lag luam ntim tshuab tsim khoom, thiab kev lag luam plaub yog kev lag luam ua zaub mov. Hauv thawj qhov kev lag luam, cov khoom siv raw xws li roj, thee, thiab cov nkev roj yog siv los ua cov polymerized low-molecular compounds, uas tom qab ntawd polymerized rau hauv ntau yam resins. Qhov no yog ua tiav rau hauv ib qho los yog ntau txheej ua yeeb yaj kiab, uas yog siv rau hauv cov khoom noj khoom haus los ntim khoom noj.