Fa'atauga vevela DMF su'esu'ega vaila'au fa'atau mo le u'amea liusuavai
Fa'aaogāga
E leai ni lanu manino po o se vai samasama mumu ma le manogi i'a
1. O se solvent organic sili ona lelei, faʻaaogaina e avea o se solvent mo polyurethane, polyacrylonitrile, ma le polyvinyl chloride.O lo'o fa'aaogaina fo'i e fai ma meafaitino mo su'ega, vaila'au ma vailaau fa'asaina.
2. Faʻaaogaina e fai ma suʻesuʻega suʻesuʻe ma solvent mo vinyl resin ma acetylene
3. O le Dimethylformamide e le gata o se vailaʻau faʻapitoa e sili ona lelei, ae faʻapea foʻi ma se mea e sili ona lelei le solvent.Dimethylformamide o se solvent lelei mo le tele o polymers e pei o le polyethylene, polyvinyl chloride, polyacrylonitrile, polyamide, ma isi, ma e mafai ona faʻaaogaina mo le susu susu o filo faʻapipiʻi e pei o le polyacrylonitrile fiber, ma le faʻaogaina o le polyurethane;Fa'aaogaina i le faia o ata palasitika;e mafai foʻi ona faʻaaogaina e pei o se vali vali e aveese ai le vali;e mafai foʻi ona faʻamavaeina nisi o lanu e maualalo-solubility, tuʻuina atu i pigments uiga o vali.Dimethylformamide o loʻo faʻaaogaina mo le faʻaaogaina o mea manogi ma le vavaeeseina ma le toe faʻaleleia o le butadiene mai le vaega C4 ma le isoprene mai le vaega C5.E mafai fo'i ona fa'aaogaina e fai ma mea fa'afofoga lelei mo le tu'u'ese'ese o vaega e le o le hydrocarbon mai le paraffin..E lelei le filifilia i le solubility o le isophthalic acid ma le terephthalic acid: o le solubility o le isophthalic acid i le dimethylformamide e sili atu nai lo le terephthalic acid.Ole tusi ole vaila'au e fa'atino le su'eina ole solvent po'o le fa'ama'a'ai fa'apitoa e mafai ona tu'u'ese'ese ai le lua.I totonu o fale gaosi oloa, o le dimethylformamide e mafai ona faʻaaogaina e avea o se kesi e faʻafefe e vavae ma faʻamamaina le kesi.I gaioiga faʻasolosolo, o le dimethylformamide e le gata e faʻaaogaina lautele e avea o se solvent mo le tali, ae o se mea taua tele i le faʻaogaina o meaola.I totonu o fale gaosi oloa, e mafai ona faʻaaogaina e gaosia ai iniseti;i le falemaʻi vailaʻau, e mafai ona faʻaaogaina e faʻapipiʻi ai le iodosamine, doxycycline, cortisone, vitamini B6, iodoside, ququjing, pyrantel, N-formyllysar Onumaric acid, methoxy sinapi, chlorambucil, nitrosourea, furfurouracil, tranexamic acid, fentrolmethasone, fentrolmethasone chlorpheniramine, ma isi. Dimethylformamide o loʻo i ai se aʻafiaga faʻapitoa i gaioiga o le hydrogenation, dehydrogenation, dehydration ma le dehydrohalogenation, lea e faʻaitiitia ai le vevela o le tali ma faʻaleleia le mama o le oloa.
4. Titration o solvents e le-aqueous.Solvent mo vinyl resin ma acetylene.Fuafuaga photometric.Kesi chromatographic vai tumau (maualuga le faaaogaina o le vevela 50 ℃, solvent o le methanol), eseese Chemicalbook e iloilo C2-C5 hydrocarbons, ma mafai ona tuueseeseina masani ma isobutene ma cis ma trans-2-butene.Su'esu'ega o toega o vailaau fa'asaina.Fa'asoa fa'aletino.Fa'asologa o peptides.Mo le fale pueata.
Fa'amatalaga vave
| MEA | FAAMATALAGA | I'UGA |
| Pt-Co chrominance | ≤10 | 5 |
| dimethylamine ppm | ≤15 | 1 |
| Formic acid ppm | ≤25 | 2 |
| PH:25°C 20% Vaivai vai | 7.0-7.5 | 7.0 |
| Faiga eletise: 25 ° C 20% vaifofo vai, matou | ≤10 | 0.14 |
| Susū ppm | ≤500 | 100 |
| Fe ppm | ≤0.05 | 0.005 |
| Methanel ppm | ≤20 | 2 |
| O upu mamafa (dimethyl Acetamide) ppm | ≤500 | 39 |
| DMF % | ≥99.9 | 99.98 |
Packag
190KG/PAU, 80TUMI/20FCL, 15.2MT/20'FCL, 22MT/ISO TANK
Tusipasi
Faatatau ia tatou
MIT-IVY INDUSTRY Co., Ltd.Gaosiga Punavai Vailaau Matagofie.
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