Phthalic anhydrideyog ib qho tseem ceeb ntawm cov khoom siv tshuaj lom neeg uas ua lub luag haujlwm tseem ceeb hauv kev tsim khoom. Nws cov khoom siv ntau yam ua rau nws yog ib qho tseem ceeb hauv kev tsim khoom ntawm ntau yam khoom, xws li plastics thiab resins rau dyes thiab pharmaceuticals. Hauv tsab ntawv blog no, peb yuav tshawb txog kev siv thiab qhov tseem ceeb ntawm phthalic anhydride hauv kev lag luam tshuaj.
Ib qho tseem ceeb ntawm kev siv phthalic anhydride yog nyob rau hauv kev tsim cov phthalate plasticizers, uas yog siv los ua PVC (polyvinyl chloride) hloov tau thiab ruaj khov. Cov plasticizers no yog qhov tseem ceeb rau ntau yam kev siv, nrog rau cov xov hlau thiab cables, hauv pem teb, thiab cov khoom siv kho mob. Yog tias tsis muaj phthalic anhydride, kev tsim cov khoom tseem ceeb no yuav raug cuam tshuam loj heev.
Phthalic anhydride kuj yog cov khoom tseem ceeb hauv kev tsim cov khoom siv tsis zoo polyester resins, uas tau siv dav hauv kev tsim cov fiberglass-reinforced plastics. Cov resins no yog siv rau hauv tsheb, kev tsim kho, thiab kev lag luam marine, thiab lwm yam, vim lawv lub zog zoo, durability, thiab corrosion kuj. Yog tias tsis muaj phthalic anhydride, kev tsim cov khoom tseem ceeb no yuav ua tsis tau.
Ntxiv nrog rau cov yas thiab cov resins, phthalic anhydride kuj tseem siv rau hauv kev tsim cov dyes thiab pigments. Nws reacts nrog ntau yam tshuaj los tsim cov xim sib xyaw uas siv rau hauv textile, ntawv, thiab yas industries. Cov dyes thiab pigments yog qhov tseem ceeb rau kev tsim khoom ntawm ntau yam khoom, los ntawm cov khaub ncaws thiab ntim rau cov ntaub ntawv luam tawm thiab cov khoom siv.
Tsis tas li ntawd, phthalic anhydride yog ib qho tseem ceeb hauv kev tsim cov tshuaj thiab tshuaj ua liaj ua teb. Nws yog siv nyob rau hauv synthesis ntawm ntau yam tshuaj thiab insecticides, pab txhawb kev loj hlob ntawm kev kho mob thiab kev ua liaj ua teb. Yog tias tsis muaj phthalic anhydride, kev tsim cov tshuaj tseem ceeb no yuav raug cuam tshuam loj heev.
Txawm hais tias nws siv ntau yam, nws yog ib qho tseem ceeb uas yuav tsum nco ntsoov tias phthalic anhydride tau ua rau muaj kev txhawj xeeb txog nws txoj kev noj qab haus huv thiab kev cuam tshuam ib puag ncig. Nws yog ib qho tseem ceeb rau cov tuam txhab lag luam los daws thiab siv phthalic anhydride lub luag haujlwm kom txo qis nws cov kev pheej hmoo. Tsis tas li ntawd, cov kws tshawb fawb thiab cov kws tshawb fawb tseem niaj hnub tshawb nrhiav lwm qhov sib txuas thiab cov txheej txheem tsim khoom los daws cov kev txhawj xeeb no thiab tsim cov kev daws teeb meem zoo dua.
Hauv kev xaus, phthalic anhydride yog cov tshuaj lom neeg tseem ceeb uas yog qhov tseem ceeb hauv kev tsim khoom lag luam. Nws siv ntau yam hauv kev tsim cov yas, resins, dyes, kws tshuaj, thiab tshuaj ua liaj ua teb ua rau nws yog ib qho tseem ceeb hauv ntau yam khoom uas peb siv hauv peb lub neej txhua hnub. Raws li kev lag luam txuas ntxiv mus, nws yog ib qho tseem ceeb uas yuav tsum tau ua qhov tseem ceeb ntawm kev siv lub luag haujlwm thiab kev siv phthalic anhydride kom txo tau nws qhov cuam tshuam rau tib neeg kev noj qab haus huv thiab ib puag ncig.
Post lub sij hawm: Jan-19-2024
