Raws li ib qho ntawm cov khoom siv tshuaj loj tshaj plaws nyob rau hauv Shandong xeev, Suav teb, peb tau nyob rau hauv lub forefront ntawm kev muab cov khoom zoo tshuaj lom neeg txij li thaum 2000. Peb tshwj xeeb hauv kev muab tshuaj raw cov ntaub ntawv thiab cov khoom tseem ceeb intermediates tau tso cai rau peb ua hauj lwm rau ntau yam kev lag luam. Ntawm cov tshuaj tseem ceeb peb muab yog Methylene Chloride, Propylene Glycol (PG), thiab Dimethylformamide (DMF). Cov tebchaw no ua lub luag haujlwm tseem ceeb hauv ntau cov txheej txheem tsim khoom, ua rau lawv tseem ceeb rau peb cov neeg siv khoom.
Methylene Chloride, paub txog nws cov khoom hnyav, yog siv dav hauv cov xim stripping, degreasing, thiab ua kev pabcuam hauv kev tsim cov tshuaj. Nws txoj kev ua tau zoo hauv kev sib cais ntau yam ntawm cov khoom ua rau nws nyiam xaiv hauv ntau daim ntawv thov kev lag luam. Ntawm qhov tod tes, Propylene Glycol (PG) yog ntau yam sib xyaw ua ke uas ua haujlwm ua cov tshuaj humectant, hnyav, thiab khaws cia hauv cov zaub mov, tshuaj pleev ib ce, thiab tshuaj. Nws cov xwm txheej tsis muaj tshuaj lom thiab muaj peev xwm khaws cov dej noo ua rau nws yog ib qho tseem ceeb hauv ntau cov qauv. Dimethylformamide (DMF), polar aprotic hnyav, yog qhov tseem ceeb hauv kev tsim cov khoom siv hluavtaws, cov yas, thiab cov chaw muag tshuaj, muab cov solubility zoo heev rau ntau yam organic thiab inorganic compounds.
Nrog peb tus kheej lub tsev khaws khoom thiab cov khoom lag luam paub tab, peb xyuas kom meej tias peb cov neeg tau txais cov khoom siv tshuaj no ntawm tus nqi sib tw yam tsis muaj kev cuam tshuam rau qhov zoo. Peb txoj kev mob siab rau kev ua tau zoo thiab cov neeg siv khoom txaus siab tau tsim peb los ua ib tus neeg ntseeg siab hauv kev lag luam tshuaj. Raws li peb txuas ntxiv nthuav peb cov khoom, peb tseem mob siab rau txhawb peb cov neeg siv khoom nrog cov ntaub ntawv raw lawv xav tau los tsim kho tshiab thiab vam meej hauv lawv cov kev lag luam. Txawm hais tias koj xav tau Methylene Chloride, PG, DMF, lossis lwm yam tshuaj nruab nrab, peb nyob ntawm no kom ua tau raws li koj cov kev xav tau zoo thiab muaj txiaj ntsig.
Post lub sij hawm: Feb-21-2025