ngā purongo

He whakarewa rauropi tino nui te n,n-dimethylformamide (DMF) he whānuitia ana tono i roto i ngā mara maha. Ko ōna whakamahinga matua ko:
‌Whakarewa‌: E whakamahia whānuitia ana te DMF hei whakarewa i roto i te hanga rauropi nā te mea he tino pai te wairewatanga me te pumau matū, inā koa i roto i ngā mara o te matū polymer, ngā tae, ngā rongoā, ngā patupatu me ētahi atu mara.
‌Waenga tauhohenga‌: I roto i ngā tauhohenga hanga rauropi, ka taea te whakamahi i te DMF hei reo tauhohenga hei whakatairanga i te tauhohenga. Hei tauira, ka taea te whakamahi i te DMF hei whakarewa tauhohenga me te whakakorikori i roto i te whakarite i ētahi amides.
‌Whakarewa irahiko: I roto i te mara o te matū hiko, ka whakamahia pinepine te DMF hei whakarewa irahiko nā te mea he teitei te kawe hiko me te pumau matū, ā, ka whakamahia hoki i roto i te whakarite i ngā taputapu irahiko pēnei i ngā pākahiko me ngā pūnga.
Ngā Tauhohenga Tātari: I roto i te tātari matū, ka taea te whakamahi i te DMF hei otinga tūmau i roto i te chromatography hau hei āwhina i te wehewehe me te tautuhi i ngā matū.

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‌Ētahi atu whakamahinga‌: Hei tāpiri, ka taea hoki te whakamahi i te DMF i roto i te hiako hangai, te hiako hangai, te kiriata, me ngā rauemi mata mō te hanga patupatu pēnei i ngā patupatu me ngā patu taru. I roto i te umanga rongoā, ka taea te whakamahi hei hanga i ngā rongoā sulfa, te doxycycline me ētahi atu rongoā.
Hei whakarāpopototanga, he mea nui ngā whakamahinga o te n,n-dimethylformamide i roto i ngā mara maha nā ōna āhuatanga ā-tinana, ā-matū hoki.
Ngā Āhuatanga Matū o te N,N-Dimethylformamide
Te ira rewa -61 °C (iritihia)
ārepa 0.94 º
Te pūmahana koropupū 153 °C (iritihia)
kiato 0.944 g/mL (rita)
te mātotoru o te kohu 2.5 (vs te hau)
te pēhanga kohu 2.7 mm Hg (20 °C)
taupū whakaata n20/D 1.430(lit.)
Fp 136 °F
pāmahana rokiroki. Penapenahia i te +5°C ki te +30°C.
wairewatanga wai: ka taea te whakaranu
wai
pka -0.44±0.70 (I matapaetia)
tae APHA: ≤15
Kakara He kakara ngoikore, he rite ki te haukini ka kitea i te 100 ppm
Te āputa whanaunga 0.386
PH 7 (200g/l, H2O, 20℃)
rohe pahūtanga 2.2-16%(V)
Paepae Kakara 1.8ppm
Wairewatanga wairewa
Ārai-waikawa

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Wā tuku: Hanuere-12-2026