Tetrahydrofuran | 109-99-9
Lintlha tsa Sehlahisoa:
| Lebitso la Sehlahiswa | Tetrahydrofuran |
| Thepa | Seela se se nang mmala se se nang mmala se kang ethermonko. |
| Melting Point (°C) | -108,5 |
| Sebaka se belang (°C) | 66 |
| Tekano e amanang (Metsi=1) | 0.89 |
| Boima ba mouoane (moea=1) | 2.5 |
| Khatello ea mouoane (kPa) | 19.3 (20°C) |
| Mocheso oa ho tuka (kJ/mol) | -2515.2 |
| Mocheso o matla (°C) | 268 |
| Khatello e matla (MPa) | 5.19 |
| Octanol/coefficient ea karohano ea metsi | 0.46 |
| Ntho e phatsimang (°C) | -14 |
| Thempereichara ea ho tima (°C) | 321 |
| Moeli oa ho phatloha ho holimo (%) | 11.8 |
| Moeli o tlase oa ho phatloha (%) | 1.8 |
| Solubility | E qhibiliha hanyane ka metsing, e qhibiliha ka ethanol, ether. |
Thepa ea Sehlahisoa le Botsitso:
1.Mokelikeli o bonaletsang o se nang 'mala o monko o kang oa ether. Kopanya le metsi. Motsoako oa azeotropic o nang le metsi o ka qhala cellulose acetate le alkaloids ea caffeine, 'me ts'ebetso ea ho qhibiliha e molemo ho feta ea tetrahydrofuran feela. Li-solvents tse akaretsang tse kang ethanol, ether, aliphatic hydrocarbons, monko o monate oa li-hydrocarbon, li-hydrocarbon tse chlorinated, joalo-joalo li ka qhibiliha hantle ka tetrahydrofuran. Ho bonolo ho kopanya le oxidation moeeng ho hlahisa peroxide e phatlohang. Ha e senyehe ho litšepe, 'me e senya lipolasetiki le liraba tse ngata. Ka lebaka la ntlha e belang, ntlha ea flash e tlase, ho bonolo ho tšoara mollo mocheso oa kamore. Oksijene moeeng nakong ea polokelo e ka hlahisa peroxide e phatlohang ka tetrahydrofuran. Li-peroxide li na le monyetla oa hore li thehoe ka pel'a maemo a khanyang le a anhydrous. Ka hona, 0.05% ~ 1% ea hydroquinone, resorcinol, p-cresol kapa letsoai la ferrous le lintho tse ling tse fokotsang hangata li eketsoa e le li-antioxidants ho thibela tlhahiso ea peroxides. Sehlahisoa sena se na le chefo e tlase, motho ea sebetsang o lokela ho apara lisebelisoa tse sireletsang.
2.Botsitso: E tsitsitseng
3. Lintho tse thibetsoeng: Li-acids, alkali, li-oxidising agents tse matla, oksijene
6.Maemo a ho qoba ho pepeseha: Leseli, moea
7.Kotsi ea polymerization: Polymerization
Sesebelisoa sa Sehlahisoa:
1.E sebelisoa haholo ka lebaka la ho phunyeha ha eona hantle le ho fapana ho ea holimo le ka hare ho li-resin. E sebelisoa e le solvent ka sebopeho sa karabelo, polymerisation reaction, LiAlH4 phokotso ea condensation reaction le esterification reaction. Ho qhibiliha ha polyvinyl chloride, polyvinylidene chloride le li-copolymers tsa tsona ho fella ka tharollo e tlaase ea viscosity, e atisang ho sebelisoa ha ho etsoa liaparo tsa holim'a metsi, liphahlo tse sireletsang, li-adhesive le lifilimi. E boetse e sebelisoa ka enke, stripper pente, extractant, kalafo holim'a letlalo la maiketsetso. Sehlahisoa sena ke ho iketsetsa polymerization le copolymerization, se ka etsa polyether mofuta oa polyurethane elastomer. Sehlahisoa sena ke lisebelisoa tsa bohlokoa tsa lik'hemik'hale tse tala, li ka lokisoa butadiene, nylon, polybutylene glycol ether, γ-butyrolactone, polyvinylpyrrolidone, tetrahydrothiophene joalo-joalo. Sehlahisoa sena se ka boela sa sebelisoa e le karolo e bohareng ea motsoako oa manyolo joalo ka lithethefatsi.
2.Tetrahydrofuran e ka qhaqha metsoako eohle ea lintho tse phelang ntle le polyethylene, polypropylene le fluorine resin, haholo-holo bakeng sa polyvinyl chloride, polyvinylidene chloride le butylaniline li na le solubility e ntle, e sebelisoa haholo e le solvent e sebetsang.
3.E le motsoako o tloaelehileng, tetrahydrofuran e 'nile ea sebelisoa ka mokhoa o tloaelehileng ka ho roala holim'a metsi, liaparo tse sireletsang, li-inks, li-extractants le ho phekola ka holim'a letlalo la maiketsetso.
4.Tetrahydrofuran ke thepa ea bohlokoa e tala bakeng sa tlhahiso ea polytetramethylene ether glycol (PTMEEG) le solvent e kholo bakeng sa indasteri ea meriana. E sebelisoa e le solvent bakeng sa li-resin tsa tlhaho le tsa maiketsetso (haholo-holo li-vinyl resin), hape li sebelisoa ha ho etsoa butadiene, adiponitrile, adip.ontrileasiti ea adipic,hexanediamine joalo-joalo.
5.E sebelisoa e le solvent, chemical synthesis intermediate, analytical reagent.
Lintlha tsa polokelo ea Sehlahisoa:
1.E boloke sebakeng sa polokelo se pholileng, se nang le moea o pholileng.
2.Kena hole le mollo le mohloli oa mocheso.
3.Mocheso oa ntlo ea polokelo ha oa lokela ho feta 29°C.
4. Boloka setshelo se tiisitsoe, ha e kopane le moea.
5. E lokela ho bolokoa ka thoko ho li-oxidising agents, acid,alkalis, joalo-joalo.'me ha ea lokela ho tsoakana le ka mohla.
6.Adopt mabone a thibelang ho phatloha le lisebelisoa tsa moea.
7.Hanela tšebeliso ea lisebelisoa tsa mechine le lisebelisoa tse bonolo ho hlahisa litlhase.
8.Sebaka sa polokelo se lokela ho ba le lisebelisoa tsa phekolo ea tšohanyetso tse lutlang le lisebelisoa tse loketseng tsa bolulo.
