Dimethylformamide yog qhov siab - kev muaj txiaj ntsig zoo ntawm nws cov kev ntseeg tau meej, versatility, thiab kev ntseeg tau. Raws li polar agor farvent, nws ua kom muaj kev sib xyaw ua ke ntawm cov khoom: ib qho siab dielectric tas li (~ 38.2 nyob rau hauv cov daws teeb meem polar thiab ionic. DMF cov kuab tshuaj yog ib qho tsis muaj kob uas tsis muaj kob nrog me ntsis ammonia tsw, yog qhov tsis sib xws. Nws cov tshuaj ruaj khov {{}} tiv taus oxidation, txo qis, thiab thermal decompent rau kev ua haujlwm txuas ntxiv.
DMF cov ntawv thov
DMF lub siab solubility txhim kho cov resin cov ntsiab lus hauv kev daws teeb meem, ua rau muaj cov txheej puv. Nws txoj kev kub npau npau ua kom nws haum rau ci- hom txheej.
Hauv zaj duab xis kev siv, n, n {- dimethylformamide dmf yog qhov kev ua yeeb yaj kiab polyvinyl chloride (PVC) zaj duab xis extrusion. Nws tuaj yeem sib xyaw nrog lwm cov kuab tshuaj kom daws cov khoom zaj yeeb yaj kiab (pob tshab, granular kev ntxhib los mos, lossis txiv kab ntxwv tev cov nyhuv). Nws homologue, DRethylacetamide (DMAC), qhia cov khoom zoo sib xws nrog DMF. Vim nws cov organic xwm, ua tau zoo ua solubility, thiab ua tau zoo sib xyaw ua ke, dimetylformamide yog dav siv hauv kev tsim cov khoom ua yeeb yaj kiab.
Thaum siv raws li lub co - Cov kuab tshuaj, DMF lub zog nyuaj tuaj yeem rhuav tshem cov tshuaj ntsuab thaum siv cov yeeb yaj kiab rau hauv PVC cov yeeb yaj kiab.
Txuas ntxiv, DMF muaj cov ntawv thov tseem ceeb hauv qab no:
PVC Homopolers: Thaum cov kuab tshuaj tsis zoo thiab maj mam {}} qhov hnyav {}}} txoj kev xaiv khov kho rau kev ua kom muaj cov polymers zoo.
Polyurethanes: n, n {- dimethylation ua cov tshuaj polyurethanes siv cov kua txob rau cov kua txob rau cov kua nplaum tshwj xeeb.
Polyacrylonitrile: ib qho hnyav rau polyacrylonitrile Homopolers thiab copolymers, siv dav hauv kev tsim khoom ntawm xws li cov fibers thiab cov yeeb yaj kiab. Nws cov kua aqueous serves yog ob qho tib si polymerization nruab nrab thiab kev cais tawm hauv nruab nrab, tshem tawm nruab nrab ntawm cov kauj ruam polymer, cais tawm} dmf aquees.
Vim li cas thiaj xaiv GNEEBIO?
NtawmGneebio, peb ntau tshaj li ib qho khoom siv; Peb yog koj tus khub mob siab ua tiav.
Hwm Zoo: Kev tswj hwm nruj zoo ua kom peb STyrene monomer tau raws li qhov kev lag luam kev lag luam siab tshaj plaws.
Kev xa tuaj raws sij hawm: Peb muaj cov ntaub ntawv muaj zog los xyuas kom muaj kev nyab xeeb thiab ncav sijhawm.
Kev tshaj lij kev txawj ntse: peb pab pawg muaj kev paub tob ntawm cov ntawv thov STRYRENE. Peb muab kev txhawb nqa kev pab kom pab koj ua kom tau zoo thiab cov txheej txheem zoo.
Kev sib tw tus nqi: peb xa qhov tshwj xeeb zoo thiab kev pabcuam ntawm cov nqi sib tw.
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Peb lub tuam txhab
GneebioNyob rau hauv Henan xeev, Suav teb, yog ib qho khoom siv tshuaj lom neeg ua haujlwm. Peb tau dhau cov ntawv pov thawj zoo, muaj tus kheej- Many}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}}} Cov cai xa tawm zoo, thiab peb cov khoom tau txais txiaj ntsig zoo los ntawm cov neeg siv khoom. Raws li kev ua thoob ntiaj teb cov khoom lag luam, peb xa cov ntaub ntawv tso cai tshuaj lom neeg ua raws, ROHS, ISO, thiab lwm tus qauv thoob ntiaj teb. Peb lub zog txhua hli ntau lawm muaj peev xwm ua kom muaj kev ua tau zoo thiab txhim khu kev qha rau kev txiav txim siab.
