Dimethylformamide (taƙaitaccen DMF), wanda kuma aka sani da N,N-dimethylformamide, madadin dimethyl ne na formid, kuma ƙungiyoyin methyl guda biyu suna kan ƙwayoyin N (nitrogen), don haka sunansa ne. A matsayin muhimmin abu mai sinadarai da kuma ingantaccen mai narkewa, ana amfani da DMF sosai a cikin polyurethane, acrylic, ƙarin abinci, magani, magungunan kashe ƙwari, rini, kayan lantarki da sauran masana'antu.
DMF ruwa ne mara launi kuma mai haske tare da babban wurin tafasa, ƙarancin wurin daskarewa, ingantaccen daidaiton sinadarai da zafi, kuma ana iya jujjuya shi da ruwa da yawancin abubuwan narkewa na halitta. Maganin narkewa ne da aka saba amfani da shi don halayen sinadarai kuma ana kiransa "mai narkewa na duniya": Ana amfani da DMF Zaren acrylic da aka samar ta hanyar busasshen juyawa na zaren acrylic mai tushen narkewa yana da halaye na hydrophobicity mai kyau, ƙarfin rufewa mai ƙarfi, laushi mai laushi, da jin daɗi mai ƙarfi; a cikin samar da fata mai laushi na polyester, ana iya amfani da DMF azaman wakili na wankewa da warkarwa don resin polyurethane. Ana amfani da shi don shafa kayan da za a iya faɗaɗawa daban-daban, kuma lokacin da aka yi amfani da shi don rini na fata, yana iya sa launin fata ya zama iri ɗaya kuma ba ya shuɗewa; saboda ƙarfin narkewa mai ƙarfi, ana amfani da DMF azaman mai narkewa a cikin rini kuma ana amfani da shi don rini zaruruwan roba, wanda zai iya inganta daidaiton fata. Rini kaddarorin; azaman mai narkewa mai zaɓi da ake amfani da shi a cikin hanyoyin rabuwa, ana iya amfani da DMF don zaɓar sha na hydrocarbons daban-daban da iskar gas mara tsari. Misali, ana amfani da DMF don wanke ethylene don cire acetylene, ta haka ne ake tsarkake ethylene. Haka kuma ana iya amfani da DMF don cire isoprene, piperylene, da sauransu daga iskar shaye-shaye ta hanyar samar da ethylene don hada resin da ba shi da cikakken kitse; Haka kuma ana iya amfani da DMF a matsayin mai cire sinadarai masu zabi don hanyoyin cirewa a fannin sarrafa mai. Misali: a cikin tsarin polycarboxylic acid wadanda ke da irin wannan halaye kuma suna da wahalar raba su, kamar isophthalic acid da terephthalic acid, ana iya raba su cikin sauki ta hanyar cire sinadarin DMF ko sake yin amfani da shi a mataki-mataki.
A cikin halayen halitta, dimethylformamide ba wai kawai ana amfani da shi sosai a matsayin mai narkewar amsawa ba, har ma yana da muhimmiyar rawa a cikin haɗakar kwayoyin halitta. A cikin masana'antar magunguna, a matsayin maganin roba, ana amfani da shi sosai wajen samar da magungunan doxycycline, cortisone, da sulfonamide; a cikin masana'antar magungunan kashe kwari, ana amfani da shi don haɗa magungunan kashe kwari masu inganci da ƙarancin guba.
A matsayin hanyar amsawa ga sinadarai, ana iya amfani da DMF a matsayin maganin crystallization don tsarkake magunguna. A cikin masana'antar lantarki, ana iya amfani da shi don daidaita danko na maganin warkarwa don laminates da aka lulluɓe da jan ƙarfe. Hakanan ana iya amfani da DMF a matsayin maganin hana ɗaukar kaya don samar da lu'ulu'u mai polymeric tare da BF3 (boron trifluoride), yana sa BF3 ya canza daga iskar gas zuwa mai ƙarfi kuma mai sauƙin jigilar kaya. A matsayin maganin hana ɗaukar iska mai ƙarfi (hydrophilic) tare da babban wurin tafasa, yana iya haɓaka tsarin maye gurbin nucleophilic (SN₂). Bugu da ƙari, dimethylformamide yana da tasirin catalytic a cikin halayen hydrogenation, dehydrogenation, dehydration da dehydrohalogenation, wanda ke rage zafin amsawa kuma yana inganta tsarkin samfurin.
Da alama DMF ta cancanci a kira ta da "mai narkewar duniya". Wannan nau'in amfani zai yi wuya a wuce shi cikin ɗan gajeren lokaci.
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Lokacin Saƙo: Mayu-17-2024






