Ngwaahịa
styrene maka SMA
styrene maka SMA,
Styrene maleic anhydride mmepụta akụrụngwa, A na-eji styrene eme ihe maka Styrene maleic anhydride,
Njirimara ngwaahịa
| Nọmba CAS | 100-42-5 |
| EINECS Mba. | 202-851-5 |
| Koodu HS | 2902.50 |
| Usoro ọgwụ | H2C=C6H5CH |
| Njirimara kemịkalụ | |
| Ebe mgbaze | -30-31 C |
| Ebe na-agwụ ike | 145-146 C |
| Nnukwu ike ndọda | 0.91 |
| Solubility na mmiri | <1% |
| Uzuoku njupụta | 3.60 |
Ụdị okwu
Cinnamene;Cinnamenol;Diarex HF 77;ethenylbenzene;NCI-C02200; Phenethylene;phenylethene;phenylethylene;Phenylethylene, nke na-egbochi;Stirolo (Ịtali);Styreen (Dutch);Styrene (CZECH);Styrene monomer (ACGIH);StyreneMonomer, kwụsiri ike (DOT);Styrol (German);Styrọl;Styrolene;Styron;Styropor;Vinylbenzen (CZECH);Vinylbenzene;Vinylbenzol.
Asambodo nyocha
| Ngwongwo | Data | Nkeji |
| Ntọala | Ọkwa≥99.5%; Ọkwa B≥99.0%. | - |
| Ọdịdị | mmiri mmiri transperent mmanu mmanu na-enweghị agba | - |
| Ebe mgbaze | -30.6 | ℃ |
| Ebe esi nri | 146 | ℃ |
| Njupụta nke ikwu | 0.91 | Mmiri=1 |
| Uzuoku njupụta | 3.6 | Ikuku=1 |
| Nrụgide uzuoku juru | 1.33 (30.8 ℃) | kPa |
| Okpomọkụ nke combustion | 4376.9 | kJ/mol |
| Ọnọdụ okpomọkụ dị oke egwu | 369 | ℃ |
| Mmetụta dị egwu | 3.81 | MPa |
| Octanol/mmiri nkebi ọnụọgụgụ | 3.2 | - |
| ebe mgbari | 34.4 | ℃ |
| Igwe ọkụ ọkụ | 490 | ℃ |
| Oke mgbawa elu | 6.1 | %(V/V) |
| Obere ihe mgbawa | 1.1 | %(V/V) |
| Solubleness | Na-adịghị edozi na mmiri, soluble na mmanya na ọtụtụ organic mgbaze. | |
| Ngwa ngwa | Eji maka imepụta polystyrene, roba sịntetik, resin mgbanwe ion, wdg. | |
Ngwugwu na nnyefe
Nkọwa ngwugwu:Ejiri ya na 220kg / drum, 17 600kgs / 20'GP
ISO TANK 21.5MT
1000kg / drum, Flexibag, ISO tankị ma ọ bụ dị ka ahịa si arịrịọ.
Ngwa ngwaahịa
A na-eji ya eme ihe na-emepụta rubbers, plastics, na polymers.
a) Mmepụta nke: polystyrene gbasaa (EPS);
b) Mmepụta nke polystyrene (HIPS) na GPPS;
c) Mmepụta nke styrenic co-polymers;
d) Mmepụta nke resins polyester na-adịghị mma;
e) Mmepụta roba styrene-butadiene;
f) Mmepụta nke latex styrene-butadiene;
g) Mmepụta nke styrene isoprene co-polymers;
h) Mmepụta nke styrene dabeere na polymeric dispersions;
i) Mmepụta nke polyols jupụtara.A na-ejikarị Styrene eme ihe dị ka monomer maka imepụta polymers (dị ka polystyrene, ma ọ bụ ụfọdụ roba na latex)
Styrene maleic anhydride (SMA ma ọ bụ SMAnh) bụ polymer sịntetịt nke arụnyere styrene na maleic anhydride monomers.Ndị monomers nwere ike ịdị na-atụgharị nke ọma, na-eme ka ọ bụrụ copolymer ọzọ, mana (random) copolymerisation nwere ihe na-erughị 50% maleic anhydride nwere ike ime.A na-emepụta polymer site na polymerization radical, na-eji peroxide organic dị ka onye mmalite.Isi njirimara nke SMA copolymer bụ ọdịdị doro anya ya, oke ọkụ na-eguzogide, nkwụsi ike dị elu, yana mmeghachi omume nke otu anhydride.Akụkụ nke ikpeazụ na-ebute solubility nke SMA na ngwọta alkaline (mmiri dabeere) na mgbasa.
SMA dị n'ọtụtụ dị iche iche nke ihe ọ̀tụ̀tụ̀ molekụla na ọdịnaya anhydride maleic (MA).Na ngwakọta nke akụrụngwa abụọ ahụ, SMA dị ka granule doro anya kristal nke enwere ike iji n'ọtụtụ ngwa dị iche iche.A na-eji polymers SMA nke nwere ibu dị elu dị elu na ngwa rọba injinia, na-ejikarị na mmetụta gbanwetụrụ na nhọrọ iko fiber jupụtara variants.N'aka nke ọzọ, a na-etinye SMA site na iji nghọta ya na ihe ndị ọzọ transperent dị ka PMMA ma ọ bụ okpomọkụ na-eguzogide okpomọkụ na-akwalite ihe ndị ọzọ polymers dị ka ABS ma ọ bụ PVC.Solubility nke SMA na ngwọta alkaline na-eme ka ọ dị mma maka ngwa dị iche iche n'ọhịa nke sizings (akwụkwọ), ihe nkedo, ndị na-ekesa na mkpuchi.Arụ ọrụ kpọmkwem nke SMA na-eme ka ọ bụrụ onye nnọchi anya kwesịrị ekwesị maka ịkwado polymers na-adabaghị adaba (dịka ngwakọta ABS/PA) ma ọ bụ njikọ njikọ.Okpomọkụ mgbanwe iko nke Styren maleic anhydride bụ 130 - 160 Celsius.
