Butenediol thiab 1,4-Butanediolyog ob hom tshuaj sib txawv siv nyob rau hauv ntau yam kev siv hauv kev lag luam, tshuaj, thiab kev tsim khoom. Txawm hais tias lawv cov npe zoo sib xws thiab cov qauv molecular, ob lub tebchaw no muaj ntau qhov sib txawv uas ua rau lawv sib nrug ntawm ib leeg.
Ua ntej,Butenediol thiab 1,4-Butanediolmuaj cov qauv molecular sib txawv. Butenediol muaj cov mis, C4H6O2, thaum 1,4-Butanediol muaj cov mis mos C4H10O2. Qhov sib txawv ntawm cov qauv molecular thiab cov qauv no cuam tshuam rau lawv lub cev thiab tshuaj lom neeg, xws li melting thiab boiling cov ntsiab lus, solubility, thiab reactivity.
Thib ob,Butenediol thiab 1,4-Butanediolmuaj ntau yam kev siv thiab kev siv. Butenediol feem ntau yog siv rau hauv kev tsim cov polyester thiab polyurethane resins, adhesives, plasticizers, thiab ua kuab tshuaj rau xim thiab coatings. Hauv qhov sib piv, 1,4-Butanediol yog siv los ua khoom noj rau ntau cov tshuaj, suav nrog gamma-butyrolactone (GBL), tetrahydrofuran (THF), thiab polyurethanes. Tsis tas li ntawd, nws yog siv rau hauv kev tsim cov khoom siv tsheb, hluav taws xob, tshuaj, thiab tshuaj pleev ib ce.
Thib peb,Butenediol thiab 1,4-Butanediolmuaj kev sib txawv toxicities thiab txaus ntshai cuam tshuam nrog lawv siv. Butenediol raug cais raws li kev khaus ntawm daim tawv nqaij thiab qhov muag thiab tuaj yeem ua rau ua pa ua pa thaum nqus tau. Ntawm qhov tod tes, 1,4-Butanediol raug cais raws li cov kab mob carcinogen thiab mutagen thiab ua rau muaj kev pheej hmoo ntawm kev mob toxicity rau tib neeg yog tias noj lossis nqus tau.
Thaum kawg,Butenediol thiab 1,4-Butanediolmuaj cov txheej txheem ntau lawm. Kev tsim khoom ntawm Butenediol suav nrog cov tshuaj tiv thaiv ntawm txiv neej anhydride nrog cawv, xws li ethylene glycol lossis propylene glycol. Kev tsim tawm ntawm 1,4-Butanediol, ntawm qhov tod tes, koom nrog hydrogenation ntawm succinic acid, uas tau txais los ntawm anaerobic fermentation ntawm cov khoom siv txuas ntxiv, xws li pob kws hmoov txhuv nplej siab lossis qab zib pas nrig.
Hauv kev xaus,Butenediol thiab 1,4-Butanediolyog ob hom tshuaj sib xyaw nrog cov qauv molecular sib txawv, kev siv, tshuaj lom neeg, kev pheej hmoo, thiab cov txheej txheem ntau lawm. Thaum lawv qhia qee qhov zoo sib xws, xws li lawv siv hauv kev tsim cov polyurethanes, lawv muaj cov khoom tshwj xeeb uas ua rau lawv haum rau kev siv sib txawv. Nws yog ib qho tseem ceeb kom nkag siab txog qhov sib txawv no kom ntseeg tau tias lawv muaj kev nyab xeeb thiab siv tau zoo hauv ntau yam kev lag luam thiab kev siv.
Post lub sij hawm: Dec-19-2023