Methylene Chloride ndi chinthu chofunikira kwambiri chosungunulira m'mafakitale, ndipo chitukuko chake chamakampani ndi kafukufuku wasayansi ndizofunika kwambiri. Nkhaniyi ifotokoza zomwe zachitika posachedwa kuchokera kuzinthu zinayi: kapangidwe ka msika, kayendetsedwe ka kayendetsedwe ka kayendetsedwe kake, kachitidwe kamitengo, komanso kupita patsogolo kwa kafukufuku wasayansi.
Kapangidwe ka Msika: Msika wapadziko lonse lapansi ndiwokhazikika kwambiri, pomwe opanga atatu apamwamba (monga Juhua Group, Lee & Man Chemical, ndi Jinling Group) ali ndi gawo limodzi la msika pafupifupi 33%. Dera la Asia-Pacific ndiye msika waukulu kwambiri, womwe umawerengera pafupifupi 75% yagawo.
Mphamvu Zowongolera:Bungwe la US Environmental Protection Agency (EPA) lapereka lamulo lomaliza pansi pa lamulo la Toxic Substances Control Act (TSCA) loletsa kugwiritsa ntchito mankhwala a methylene chloride m’zinthu za ogula monga zochotsera utoto komanso kuletsa kugwiritsa ntchito mankhwala m’mafakitale.
Mitengo Yamitengo: Mu Ogasiti 2025, chifukwa cha kuchuluka kwamakampani omwe akugwira ntchito zomwe zimapangitsa kuti pakhale ndalama zokwanira, kuphatikizira nthawi yomwe anthu akufunafuna komanso kusakonda kugula, mitengo yochokera kwa opanga ena idatsika pansi pa 2000 RMB/tani.
Mkhalidwe Wamalonda:Kuyambira Januware mpaka Meyi 2025, ku China kutumizidwa kunja kwa methylene chloride kudakwera kwambiri (chaka ndi chaka +26.1%), komwe kumapita ku Southeast Asia, India, ndi madera ena, zomwe zimathandiza kuchepetsa kukakamiza kwapakhomo.
Frontiers mu Latest Technological Research
Pankhani ya kafukufuku wa sayansi, maphunziro a methylene chloride ndi mankhwala ogwirizana nawo akupita patsogolo ku njira zobiriwira komanso zogwira mtima. Nawa mayendedwe angapo odziwika:
Green Synthesis Njira:Gulu lofufuza kuchokera ku Shandong University of Technology lidafalitsa kafukufuku watsopano mu Epulo 2025, likupereka lingaliro latsopano la "redox yoyendetsedwa ndi maginito." Tekinoloje iyi imagwiritsa ntchito mphamvu ya maginito yozungulira kuti ipangitse mphamvu yamagetsi yamagetsi mu kondakitala wachitsulo, motero imayendetsa machitidwe amankhwala. Kafukufukuyu adawonetsa kugwiritsa ntchito koyamba kwa njira iyi pakusintha zitsulo zachitsulo, kukwanitsa kuphatikizika kwapang'onopang'ono kwa ma aryl chlorides ochepa ndi alkyl chlorides. Izi zimapereka njira yatsopano yoyatsira ma bond a inert chemical (monga ma bondi a C-Cl) pansi pazikhalidwe zofatsa, zokhoza kugwiritsidwa ntchito motakata.
Kukhathamiritsa kwa Njira Zolekanitsa:Pakupanga mankhwala, kulekanitsa ndi kuyeretsa ndi njira zazikulu zowonongera mphamvu. Kafukufuku wina amayang'ana pakupanga zida zatsopano zolekanitsira zosakanikirana ndi methylene chloride synthesis. Kafukufukuyu adafufuza pogwiritsa ntchito methanol ngati chodzipangira chokha kuti alekanitse zosakaniza za dimethyl ether-methyl chloride zomwe zimakhala zochepa kwambiri, pofuna kupititsa patsogolo kulekanitsa komanso kukhathamiritsa magawo a ndondomeko.
Kuwunika kwa Mapulogalamu mu New Solvent Systems:Ngakhale osakhudza mwachindunji methylene chloride, kafukufuku wozama za eutectic solvents (DES) wofalitsidwa mu PMC mu Ogasiti 2025 ndiwofunikira kwambiri. Phunziroli linapereka zidziwitso zakuya za momwe mamolekyu amayenderana mkati mwa zosungunulira. Kupita patsogolo kwa matekinoloje osungunulira obiriwira otere, m'kupita kwanthawi, kungapereke mwayi watsopano wosinthira zosungunulira zamtundu wina, kuphatikiza methylene chloride.
Mwachidule, makampani a methylene chloride pakali pano ali mu nthawi yosinthika yodziwika ndi mwayi komanso zovuta.
Zovutazikuwonekera makamaka m'malamulo okhwimitsa kwambiri zachilengedwe (makamaka m'misika ngati Europe ndi US) komanso kutsika kwamafuta m'malo ena achikhalidwe (monga zochotsa utoto).
Mwayi, komabe, zagona pakufunidwa kosalekeza m'magawo momwe zolowa m'malo mwangwiro sizinapezeke (monga mankhwala ndi kaphatikizidwe ka mankhwala). Panthawi imodzimodziyo, kukhathamiritsa kosalekeza kwa njira zopangira zinthu komanso kukulitsa misika yogulitsa kunja kumaperekanso chitsogozo cha chitukuko cha mafakitale.
Chitukuko cham'tsogolo chikuyembekezeka kutsamira kwambiri kuzinthu zotsogola kwambiri, zodziwikiratu komanso zatsopano zaukadaulo zomwe zimagwirizana ndi mfundo za chemistry yobiriwira.
Nthawi yotumiza: Sep-26-2025