I-Methylene Chloride iyi-solvent ebalulekile yezimboni, futhi ukuthuthukiswa kwemboni yayo kanye nocwaningo lwesayensi yizihloko ezinakwa kakhulu. Lesi sihloko sizochaza ukuthuthuka kwayo kwakamuva kusuka ezicini ezine: ukwakheka kwemakethe, amandla okulawula, amathrendi entengo, kanye nenqubekelaphambili yakamuva yocwaningo lwesayensi.
Isakhiwo Semakethe: Imakethe yomhlaba wonke igxile kakhulu, abakhiqizi abathathu abaphezulu (njenge-Juhua Group, i-Lee & Man Chemical, kanye ne-Jinling Group) bephethe isabelo semakethe esihlanganisiwe esingaba ngu-33%. Isifunda sase-Asia-Pacific siyimakethe enkulu kunazo zonke, sibalwa cishe ngama-75% wesabelo.
I-Regulatory Dynamics:I-US Environmental Protection Agency (EPA) ikhiphe umthetho wokugcina ngaphansi kwe-Toxic Substances Control Act (TSCA) ovimbela ukusetshenziswa kwe-methylene chloride emikhiqizweni yabathengi efana nezihlikihli zikapende kanye nokubeka imikhawulo eqinile ekusetshenzisweni kwezimboni.
Amathrendi Amanani: Ngo-Agasti 2025, ngenxa yamazinga aphezulu okusebenza embonini aholela ekuhlinzekeni okwanele, kuhlanganiswe nenkathi engasebenzi yesidingo kanye nomdlandla onganele wokuthenga ezansi nomfula, izintengo ezivela kwabanye abakhiqizi zehle ngaphansi kwe-2000 RMB/ton mark.
Isimo Sokuhweba:Kusukela ngoJanuwari kuya kuMeyi 2025, ukuthunyelwa kwe-methylene chloride eChina kukhuphuke kakhulu (unyaka nonyaka +26.1%), ngokuyinhloko kuqondiswe eNingizimu-mpumalanga ye-Asia, e-India, nakwezinye izifunda, okusiza ekwehliseni ingcindezi yokuhlinzekwa kwasekhaya.
I-Frontiers ku-Latest Technological Research
Emkhakheni wocwaningo lwesayensi, izifundo nge-methylene chloride nezinhlanganisela ezihlobene ziqhubekela phambili eziqondisweni eziluhlaza nezisebenza kahle kakhulu. Nazi izikhombisi-ndlela ezimbalwa ezibalulekile:
Izindlela ze-Green Synthesis:Ithimba labacwaningi abavela eShandong University of Technology lishicilele ucwaningo olusha ngo-Ephreli 2025, liphakamisa umqondo omusha "we-redox eqhutshwa zibuthe." Lobu buchwepheshe busebenzisa inkambu kazibuthe ezungezayo ukuze kukhiqizwe amandla e-electromotive ku-conductor yensimbi, ngaleyo ndlela kuqhube ukusabela kwamakhemikhali. Lolu cwaningo luphawule ukusetshenziswa kokuqala kwaleli su ekuguquleni insimbi ye-catalysis, kufinyelelwe ngempumelelo ukuhlanganisa okuncishisiwe kwe-aryl chloride engasebenzi kahle ne-alkyl chloride. Lokhu kunikeza indlela entsha yokuvula amabhondi amakhemikhali angasebenzi (njengamabhondi e-C-Cl) ngaphansi kwezimo ezithambile, namandla okusetshenziswa okubanzi.
Ukuthuthukisa Inqubo Yokuhlukanisa:Emkhiqizweni wamakhemikhali, ukuhlukanisa kanye nokuhlanzwa kuyizinyathelo ezibalulekile zokusebenzisa amandla. Olunye ucwaningo lugxile ekuthuthukiseni amathuluzi amasha okuhlukanisa izingxube zokusabela kusuka ku-methylene chloride synthesis. Lolu cwaningo luhlole kusetshenziswa i-methanol njenge-self-extractant ukuze kuhlukaniswe izingxube ze-dimethyl ether-methyl chloride ezinokuguquguquka okuphansi, okuhloswe ngayo ukuthuthukisa ukusebenza kahle kokuhlukana nokwandisa amapharamitha wenqubo.
Ukuhlolwa Kwezicelo Ezinhlelweni Ezintsha Ze-Solvent:Yize ingabandakanyi ngokuqondile i-methylene chloride, ucwaningo lwezincibilikisi ezijulile ze-eutectic (DES) olushicilelwe ku-PMC ngo-Agasti 2025 lubaluleke kakhulu. Lolu cwaningo lunikeze imininingwane ejulile mayelana nemvelo yokusebenzisana kwamangqamuzana ngaphakathi kwezinhlelo ze-solvent. Intuthuko kubuchwepheshe obunjalo bokuncibilikisa okuluhlaza, ngokuhamba kwesikhathi, ingase inikeze amathuba amasha okushintsha izincibilikisi ezithile zemvelo eziguquguqukayo, okuhlanganisa i-methylene chloride.
Kafushane, imboni ye-methylene chloride okwamanje isesikhathini soshintsho esibonakala ngawo womabili amathuba nezinselelo.
Izinselelezibonakala ngokuyinhloko emithethweni eqinile yezemvelo (ikakhulukazi ezimakethe ezifana ne-Europe ne-US) kanye nomphumela wokuncipha kwesidingo kwezinye izindawo zokusetshenziswa kwendabuko (njengabahlubula upende).
Amathuba, nokho, ilele esidingweni esiqhubekayo ngaphakathi kwemikhakha lapho okungakatholakali okumiselela okuphelele (okufana nemithi kanye nokuhlanganiswa kwamakhemikhali). Ngesikhathi esifanayo, ukuthuthukiswa okuqhubekayo kwezinqubo zokukhiqiza kanye nokwandiswa kwezimakethe zangaphandle nakho kunikeza umfutho ekuthuthukisweni kwemboni.
Intuthuko yesikhathi esizayo kulindeleke ukuthi incike kakhulu emikhiqizweni eyisipesheli esebenza kahle kakhulu, ehlanzeke kakhulu kanye nezindlela ezintsha zobuchwepheshe ezihambisana nezimiso zekhemistri eluhlaza.
Isikhathi sokuthumela: Sep-26-2025