Lihlahisoa
styrene bakeng sa SMA
styrene bakeng sa SMA,
Lihlahisoa tse tala tsa styrene maleic anhydride, styrene e sebelisoang bakeng sa Styrene maleic anhydride,
Likarolo tsa Sehlahisoa
| Nomoro ea CAS | 100-42-5 |
| EINECS No. | 202-851-5 |
| Khoutu ea HS | 2902.50 |
| Foromo ea lik'hemik'hale | H2C=C6H5CH |
| Lintho tsa Lik'hemik'hale | |
| Sebaka se qhibilihang | -30-31 C |
| Boling point | 145-146 C |
| Matla a khoheli a khethehileng | 0.91 |
| Ho qhibiliha ka metsing | <1% |
| Boima ba mouoane | 3.60 |
Litlhaloso tse tšoanang
Cinnamene;Cinnamenol;Diarex HF 77;Ethenylbenzene;NCI-C02200;Phenethylene;Phenylethene;Phenylethylene;Phenylethylene, e thibetsoe;Stirolo(Setaliana);Styreen (Dutch);Styrene (CZECH);Styrene Monomer (ACGIH);StyreneMonomer, e Tsitsitseng (DOT);Styrol (Sejeremane);Setaele;Styrolene;Styron;Styropor;Vinylbenzen (CZECH);Vinylbenzene;Vinylbenzol.
Setifikeiti sa Tlhahlobo
| Thepa | Lintlha | Yuniti |
| Metheo | A level≥99.5%;B boemo≥99.0%. | - |
| Ponahalo | lero le senang mmala le bonaletsang la mafura | - |
| Sebaka se qhibilihang | -30.6 | ℃ |
| Ntho e belang | 146 | ℃ |
| Boima ba kamano | 0.91 | Metsi=1 |
| Boima ba mouoane bo amanang | 3.6 | Moea=1 |
| Khatello ea mouoane e matla | 1.33(30.8℃) | kPa |
| Mocheso oa ho tuka | 4376.9 | kJ/mol |
| Mocheso oa bohlokoa | 369 | ℃ |
| Khatello e mahlonoko | 3.81 | MPa |
| Octanol/water partition coefficients | 3.2 | - |
| flash point | 34.4 | ℃ |
| Mocheso oa mocheso | 490 | ℃ |
| Moeli o ka holimo oa ho phatloha | 6.1 | %(V/V) |
| Moeli o tlase oa ho phatloha | 1.1 | %(V/V) |
| Solubleness | Ha e qhibilihe ka metsing, ha e qhibilihe ka har'a joala le lihlapolli tse ngata tsa tlhaho. | |
| Kopo e ka sehloohong | E sebelisetsoa ho etsa polystyrene, rabara ea maiketsetso, resin ea ion-exchange, joalo-joalo. | |
Sephutheloana le Phano
Lintlha tsa ho paka:E pakiloeng ka 220kg/drum,17 600kgs/20'GP
TANK ea ISO 21.5MT
1000kg/drum, Flexibag, litanka tsa ISO kapa ho latela kopo ea moreki.
Sesebelisoa sa Sehlahisoa
E sebelisoa ha ho etsoa rabara, lipolasetiki le li-polymers.
a) Ho hlahisa: polystyrene e atolositsoeng (EPS);
b) Tlhahiso ea polystyrene (HIPS) le GPPS;
c) Tlhahiso ea li-styrenic co-polymers;
d) Ho hlahisa li-resine tsa polyester tse sa tsitsang;
e) Ho hlahisa rabara ea styrene-butadiene;
f) Tlhahiso ea styrene-butadiene latex;
g) Ho hlahisa li-styrene isoprene co-polymers;
h) Ho hlahisa li-styrene tse thehiloeng ho polymeric dispersions;
i) Ho hlahisa li-polyol tse tlatsitsoeng.Styrene e sebelisoa haholo-holo e le monomer bakeng sa ho etsa li-polymers (tse kang polystyrene, kapa rabara e itseng le latex)
Styrene maleic anhydride (SMA kapa SMAnh) ke polima ea maiketsetso e hahelletsoeng ka styrene le maleic anhydride monomers.Li-monomers li ka fapanyetsana ka mokhoa o phethahetseng, tsa etsa hore e be copolymer e fapaneng, [1] empa (e sa reroang) copolymerization e nang le karolo e ka tlase ho 50% ea maleic anhydride le eona e ka khonahala.Polymer e entsoe ka polymerization e matla, e sebelisang organic peroxide e le mothehi.Litšobotsi tse ka sehloohong tsa SMA copolymer ke ponahalo ea eona e pepeneneng, ho hanyetsa mocheso o phahameng, botsitso bo phahameng ba sebopeho, le ts'ebetso e khethehileng ea lihlopha tsa anhydride.Karolo ea ho qetela e fella ka ho qhibiliha ha SMA ka tharollo ea alkaline (e thehiloeng metsing) le ho hasana.
SMA e fumaneha ka mefuta e mengata ea boima ba limolek'hule le likahare tsa maleic anhydride (MA).Ka motsoako o tloaelehileng oa thepa eo e 'meli, SMA e fumaneha e le granule e hlakileng ea kristale e ka sebelisoang mefuteng e mengata ea likopo.Li-polymers tsa SMA tse nang le boima bo phahameng ba limolek'hule li sebelisoa haholo lits'ebetsong tsa polasetiki tsa boenjiniere, hangata ka tšusumetso e fetotsoeng le mefuta e fapaneng ea khetho e tlatsitsoeng ea khalase.Ntle le moo, SMA e sebelisoa ho sebelisoa pepeneneng hammoho le lisebelisoa tse ling tse pepeneneng joalo ka PMMA kapa ho hanyetsa mocheso ho matlafatsang lisebelisoa tse ling tsa polymer tse kang ABS kapa PVC.Solubility ea SMA ka tharollo ea alkaline e etsa hore e tšoanelehe bakeng sa lits'ebetso tse fapaneng lefapheng la li-size (pampiri), li-binders, li-disperants le liphahlo.Reactivity e khethehileng ea SMA e etsa hore e be moemeli ea loketseng bakeng sa ho lumellana le li-polymers tse tloaelehileng tse sa lumellaneng (mohlala, ABS / PA blends) kapa cross-linking.Thempereichara ea phetoho ea khalase ea Styrene maleic anhydride ke 130 - 160 °C.
