Isishwankathelo seMveliso
I-N,N-Dimethylformamide (DMF) sisinyibilikisi esibaluleke kakhulu se-organic kunye nezinto ezikrwada zekhemikhali. Lulwelo olungenambala nolucacileyo kubushushu begumbi, olunokunyibilika kakuhle kunye nokuzinza kobushushu. Ithathwa njengesinyibilikisi se-organic esiqhelekileyo, i-DMF inokunyibilikisa uninzi lweekhompawundi ze-organic kunye ne-inorganic—into eyenza ukuba ibe yinxalenye ebalulekileyo kumacandelo amaninzi emizi-mveliso kuquka i-polyurethane, amayeza, izibulali-zinambuzane, iikhemikhali ze-elektroniki, ulusu oludibeneyo, kunye ne-acrylic fiber spinning.
Kwishishini le-polyurethane, i-DMF isebenza njengesinyibilikisi esiphambili sokwenza ulusu lwe-polyurethane oluyilwe ngenkqubo emanzi kunye ne-polyurethane slurry ngenkqubo eyomileyo. Ngaphakathi kwicandelo lezemithi, isebenza njengendawo ebalulekileyo yokusabela kunye nesinyibilikisi ekuhlanganiseni ii-antibiotics ezininzi kunye neevithamini. Kwicandelo le-elektroniki, i-DMF ecocekileyo kakhulu isetyenziswa kwi-photoresist stripping kwiiphaneli zekristale yolwelo kunye nokucoca i-semiconductor. Ukongeza, i-DMF ngokwayo sisixhobo esibalulekileyo sekhemikhali, esisetyenziselwa ukwenza iintlobo ngeentlobo zeekhemikhali ezintle.
Uphuhliso lwamva nje lweShishini
Kutshanje, imakethi yehlabathi ye-DMF iye yatshintsha kakhulu. Iqhutywa kukuguquguquka kwamaxabiso ezinto eziluhlaza eziphezulu (i-methanol kunye ne-dimethylamine) kunye notshintsho kwimigaqo-nkqubo yokusingqongileyo kunye namandla emveliso eTshayina—umvelisi omkhulu we-DMF kunye nomthengi—i-DMF ibone intshukumo yamaxabiso efana ne-rollercoaster ukusuka ekupheleni kuka-2023 ukuya ekuqaleni kuka-2024. Ukugcinwa kwezixhobo ezininzi eziphambili zemveliso ye-DMF eTshayina kwikota yesibini ka-2024 kukhokelele ekuqineni kobonelelo lwexeshana kunye nokubuyela kwakhona kwamaxabiso okulandelayo.
Kwimiba yemigaqo-nkqubo, ulawulo lwe-DMF eTshayina luye lwaqiniswa ngokuqhubekayo. UMphathiswa we-Ecology and Environment ufake i-DMF kwiKhathalogu yeeKhemikhali zoLawulo oluPhambili, ebeka iimfuno ezingqongqo zolawulo kwimingcipheko yokusingqongileyo nokhuseleko kuyo yonke imveliso yayo, ukusetyenziswa, ukugcinwa kunye nokuthuthwa kwayo. Oku kuye kwabangela ukuba amanye amashishini angaphantsi komhlaba afana nabavelisi besikhumba esenziwe ngokwenziwa akhawulezise uR&D wokutshintshwa kwenkqubo esekwe emanzini. Nangona kunjalo, kwixesha elifutshane ukuya kweliphakathi, i-DMF isanzima ukuyitshintsha ngokupheleleyo kwiinkqubo ezininzi.
Ukusuka kwimida yetekhnoloji, itekhnoloji entsha yokubuyisela kunye nokurisayikilisha i-DMF ngokukuko ingenile kwisigaba somboniso wemizi-mveliso. Ngokwamkela inkqubo entsha yokwahlulahlula i-membrane yesihluzo se-molecular, le teknoloji inokubuyisela i-DMF ecocekileyo kakhulu emanzini amdaka antsonkothileyo endawo-mveliso ngokusetyenziswa kwamandla okuphantsi, ifikelele kwizinga lokubuyisela elingaphezulu kwe-95%. Ukukhuthazwa okukhulu kwale teknoloji kuya kunciphisa kakhulu iindleko zezinto eziluhlaza kunye noxinzelelo lokuthobela indalo kubasebenzisi abasezantsi.
Uhlalutyo lweNdlela yoShishino
Ukujonga phambili, ishishini le-DMF liza kutshintsha phakathi kwemingeni namathuba, libonise ezi ndlela zilandelayo ziphambili:
Ukwahluka kwesakhiwo ekukhuleni kwemfuno
Imfuno yehlabathi ye-DMF kulindeleke ukuba ingene kwinqanaba lokukhula kancinci okanye ithafa. Ukukhula kwicandelo layo elikhulu lemveli lokusetyenziswa—ishishini lesikhumba esenziwe nge-polyurethane—kunokuncipha phantsi koxinzelelo lokusingqongileyo kunye notshintsho kwimarike yabathengi, kwaye kuthatyathelwe indawo ngokuyinxenye ziinkqubo ezisekelwe emanzini ezingena-DMF. Nangona kunjalo, imfuno ye-DMF ecocekileyo kakhulu, esemgangathweni ophezulu kumacandelo aphezulu nanexabiso eliphezulu afana namayeza, izibulali-zinambuzane kunye neekhemikhali ze-elektroniki kulindeleke ukuba zihlale zizinzile okanye zikhule, zivele njengentsika ebalulekileyo exhasa imarike ye-DMF.
Ukudityaniswa kweCandelo loNikezelo kunye nokuSebenzisa ngcono
Amandla emveliso ye-DMF yehlabathi agxile kakhulu, ikakhulu eTshayina. Ukuya phambili, ukhuphiswano kushishino lwe-DMF lwaseTshayina luya kutshintsha ukusuka ekwandiseni isikali esicocekileyo ukuya kukhuphiswano olupheleleyo kwiindleko, iteknoloji kunye nokukhuselwa kwendalo. Izibonelelo ezibuyela umva nezincinci ziya kuphuma kancinci kancinci kwimarike ngenxa yokusilela ukuhlangabezana nemigangatho engqongqo yokusingqongileyo kunye nokhuseleko, okulindeleke ukuba inyuse ngakumbi ukugxila kushishino. Amashishini amakhulu anezibonelelo kwizixhobo ezidityanisiweyo (umz., i-syngas edityanisiweyo, i-methanol kunye ne-dimethylamine) aya kufumana ukhuphiswano oluphuculweyo.
Ukukhuselwa kweNdalo kunye noPhuhliso oluZinzileyo njengezihloko eziphambili
Ulawulo lokusingqongileyo lwe-DMF ngomjikelo wobomi luza kuba ngumkhwa ongenakuguqulwa, oquka iinkalo ezintathu: 1) Ukuhlaziya iinkqubo zemveliso ngokwazo, njengokunciphisa amandla kunye nokunciphisa ukukhutshwa komoya; 2) Ukusebenza okuvaliweyo kunye nokubuyiselwa okusebenzayo kwe-DMF kwizicelo ezisezantsi, kunye netekhnoloji yokubuyisela ephucukileyo ekhankanyiweyo isiya ithandwa ngakumbi; 3) Uphuhliso lwezinyibilikisi okanye iinkqubo ezizezinye ezinobuhlobo nokusingqongileyo. Nangona ukutshintshwa ngokupheleleyo kwe-DMF kwiindawo ezininzi kusathatha ixesha, oku kuya kuba yindlela yexesha elide yophando nophuhliso.
Ukuphuculwa koMgangatho okuqhutywa zizicelo eziphezulu
Njengoko amashishini asezantsi afana namayeza kunye ne-elektroniki ebeka iimfuno eziphezulu ngakumbi kucoceko lwezinto kunye nokuhambelana, imfuno yemarike yeemveliso ze-DMF ezichazwe kakhulu (umz., umgangatho we-elektroniki kunye nomgangatho we-pharmaceutical) iya kunyuka. Oku kufuna ukuba abavelisi be-DMF banganeli nje ukwandisa ubungakanani bemveliso, kodwa babe nezakhono zokucoca ngokuchanekileyo, ulawulo oluqinileyo lomgangatho, kunye nokupakishwa kunye nokuthuthwa okusemgangathweni ophezulu, besiya ekuphuculeni nasekukhetheni.
Utshintsho olunokwenzeka kwiPatheni yoRhwebo lweHlabathi
Njengomthengisi we-DMF ngaphandle, imigaqo-nkqubo yezoshishino yaseTshayina kunye notshintsho kumandla ziya kuqhubeka nokuba nefuthe elikhulu ekuhambeni korhwebo lwe-DMF lwehlabathi kunye namaxabiso. Okwangoku, ngenxa yokhuseleko lwekhonkco lokubonelela, ezinye iindawo zinokuvavanya okanye zakha kwakhona amandla emveliso ye-DMF engaphelelanga, ngakumbi kwiikhonkco eziphambili zekhonkco lezoshishino ezifana namayeza.
Ngamafutshane, njengekhemikhali esisiseko evuthiweyo, imakethi ye-DMF ifikelele kwinqanaba lokuphucula izinto ezisetyenzisiweyo kunye nokuphucula ulwakhiwo. Nangona ijongene noxinzelelo oluvela ekutshintsheni kwendalo, i-DMF iya kuhlala ikwindawo ebalulekileyo kwimarike kwixesha elizayo ngenxa yokunyibilika kwayo okuhle kunye neempawu zokucubungula ezivuthiweyo kwiinkqubo ezininzi eziphambili zoshishino. Abaphumeleleyo kwixesha elizayo kushishino baya kuba ngamashishini anokulawula ngokufanelekileyo iindleko, ahlangabezane nemigangatho engqongqo yokusingqongileyo, kwaye anikezele ngeemveliso ezisemgangathweni ophezulu kunye nezisombululo zokuphinda zisetyenziswe kwiindawo zesicelo ezinexabiso eliphezulu. Uphuhliso lweshishini le-DMF lutshintsha ukusuka ekwandeni okukhulu ukuya ekulimeni okunzulu.
Ixesha leposi: Jan-29-2026