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I-Phthalic Anhydride (PA) Inombolo ye-CAS: 85-44-9
Uhlolojikelele Lomkhiqizo
I-Phthalic Anhydride (PA) iyi-organic chemical material eluhlaza, ekhiqizwa ngokuyinhloko yi-oxidation ye-ortho-xylene noma i-naphthalene. Kubonakala njengokuqinile okucwebezelayo okunephunga elincane elicasulayo. I-PA isetshenziswa kabanzi ekukhiqizeni ama-plasticizers, ama-polyester resins angasetshenzisiwe, ama-alkyd resins, odayi, nezingulube, okwenza kube okuphakathi okubalulekile embonini yamakhemikhali.
Izici Eziyinhloko
- Ukusebenza Okuphezulu:I-PA iqukethe amaqembu e-anhydride, asabela kalula ngotshwala, ama-amine, nezinye izinhlanganisela ukuze akhe ama-ester noma ama-amide.
- Ukunyibilika Okuhle:Incibilika emanzini ashisayo, utshwala, ethers, nezinye izincibilikisi eziphilayo.
- Ukuzinza:Izinzile ngaphansi kwezimo ezomile kodwa i-hydrolyzes kancane ibe yi-phthalic acid lapho amanzi ekhona.
- Ukuhlukahluka:Isetshenziswa ekuhlanganiseni uhla olubanzi lwemikhiqizo yamakhemikhali, okwenza ibe nezinto ezihlukahlukene kakhulu.
Izinhlelo zokusebenza
- Ama-Plasticizers:Isetshenziselwa ukukhiqiza ama-phthalate esters (isb, i-DOP, i-DBP), asetshenziswa kakhulu emikhiqizweni ye-PVC ukuze kuthuthukiswe ukuguquguquka nokuguquguquka.
- Ama-Polyester Resins Angasetshenzisiwe:Isetshenziswa ekwenzeni i-fiberglass, i-coatings, ne-adhesives, enikeza izakhiwo ezinhle kakhulu zemishini kanye nokumelana namakhemikhali.
- I-Alkyd Resins:Isetshenziswa kumapende, ama-coatings, nama-varnish, ehlinzeka ukunamathela okuhle nokucwebezela.
- Odayi nezingulube:Isebenza njengendawo emaphakathi ekuhlanganisweni kodayi be-anthraquinone nemibala.
- Ezinye izinhlelo zokusebenza:Isetshenziswa ekukhiqizeni izinqamuleli zemithi, izibulala-zinambuzane, namakha.
Ukupakisha & Isitoreji
- Ukupakishwa:Itholakala nge-25 kg/bag, 500 kg/bag, noma izikhwama zamathani. Izinketho zokupakisha ngokwezifiso ziyatholakala uma ucelwa.
- Isitoreji:Gcina endaweni epholile, eyomile, futhi enomoya omuhle. Gwema ukuthintana nomswakama. Izinga lokushisa elinconyiwe lesitoreji: 15-25℃.
Ukuphepha Nemvelo
- Ukucasuka:I-PA iyacasula isikhumba, amehlo, kanye nesistimu yokuphefumula. Izimpahla zokuzivikela ezifanele (isb., amagilavu, izibuko, izinto zokuphefumula) kufanele zigqokwe ngesikhathi sokuphatha.
- Ukuvutha:Iyavutha kodwa ayivuthi kakhulu. Zigcine kude namalangabi avulekile namazinga okushisa aphezulu.
- Umthelela Wezemvelo:Lahla udoti ngokuhambisana nemithetho yendawo yendawo ukuze uvimbele ukungcola.
Xhumana nathi
Ukuze uthole ulwazi olwengeziwe noma ukucela isampula, sicela uxhumane nethimba lethu labadayisi. Sizibophezele ekuhlinzekeni ngemikhiqizo esezingeni eliphezulu kanye nenkonzo enhle kakhulu!
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Isingeniso Somkhiqizo we-Methanol
Uhlolojikelele Lomkhiqizo
I-Methanol (CH₃OH) iwuketshezi olungenambala, olushintshashintshayo olunephunga elidakayo elipholile. Njengenhlanganisela elula yotshwala, isetshenziswa kakhulu ezimbonini zamakhemikhali, zamandla, nezithaka imithi. Ingakhiqizwa ngezinto zokubasa ezimbiwa phansi (isb., igesi yemvelo, amalahle) noma izinsiza ezivuselelekayo (isb, i-biomass, i-hydrogen eluhlaza + CO₂), okuyenza ibe yisisusa esiyinhloko soguquko lwekhabhoni ephansi.
Izici Zomkhiqizo
- Ukusebenza Okuphezulu Komlilo: Ukushisa okuhlanzekile ngevelu yekhalori emaphakathi kanye nekhabhoni ekhishwayo ephansi.
- Isitoreji Esilula Nokuthutha: Uketshezi ekushiseni kwegumbi, luyingozi kakhulu kune-hydrogen.
- I-Versatility: Isetshenziswa kokubili njengamafutha namakhemikhali okuphakelayo.
- Ukusimama: "I-methanol eluhlaza" ingafinyelela ukungathathi hlangothi kwekhabhoni.
Izinhlelo zokusebenza
1. I-Energy Fuel
- I-Automotive Fuel: Uphethiloli we-Methanol (M15/M100) wehlisa ukukhishwa kwegesi.
- I-Marine Fuel: Ithatha indawo kawoyela osindayo ekuthuthweni kwemikhumbi (isb, imikhumbi ye-methanol yase-Maersk).
- Fuel Cells: Inika amandla amadivayisi/ama-drones ngamaseli e-methanol fuel cell (DMFC).
2. I-Chemical Feedstock
- Isetshenziselwa ukukhiqiza i-formaldehyde, i-acetic acid, i-olefin, njll., kumapulasitiki, opende, nemicu yokwenziwa.
3. Ukusetshenziswa Okusafufusa
- Isithwali seHydrojeni: Izitolo/ikhipha i-hydrogen ngokuqhekeka kwe-methanol.
- I-Carbon Recycling: Ikhiqiza i-methanol kusuka ku-CO₂ hydrogenation.
Imininingwane Yezobuchwepheshe
Into Ukucaciswa Ubumsulwa ≥99.85% Ukuminyana (20℃) 0.791–0.793 g/cm³ Iphuzu elibilayo 64.7℃ I-Flash Point 11℃ (Inokusha) Izinzuzo Zethu
- Ukunikezwa kokuphela kuya ekupheleni: Izixazululo ezihlanganisiwe kusuka kusitoko kuya ekusetshenzisweni ekugcineni.
- Imikhiqizo Engokwezifiso: Ibanga lemboni, i-fuel-grade, kanye ne-electronic-grade methanol.
Qaphela: I-MSDS (Ishidi Ledatha Yokuphepha Okubalulekile) kanye ne-COA (Isitifiketi Sokuhlaziya) kuyatholakala uma ucelwa.
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I-Diethylene Glycol (DEG) Isingeniso Somkhiqizo
Uhlolojikelele Lomkhiqizo
I-Diethylene Glycol (DEG, C₄H₁₀O₃) iwuketshezi olungenambala, olungenaphunga, olunama-viscous olunezici ze-hygroscopic kanye nokunambitheka okumnandi. Njengengxenye yamakhemikhali ebalulekile, isetshenziswa kakhulu kuma-polyester resins, antifreeze, plasticizers, solvents, nezinye izinhlelo zokusebenza, okuyenza ibe impahla eluhlaza eyinhloko ezimbonini ze-petrochemical kanye nezimboni zamakhemikhali ezinhle.
Izici Zomkhiqizo
- Indawo Yokubilisa Ephezulu: ~245°C, ilungele izinqubo ezisezingeni eliphezulu.
- IHygroscopic: Imunca umswakama emoyeni.
- I-Solubility Kahle Kakhulu: Kuhlanganiswe namanzi, utshwala, ama-ketones, njll.
- Ubuthi obuphansi: Ubuthi obuncane kune-ethylene glycol (EG) kodwa budinga ukuphathwa okuphephile.
Izinhlelo zokusebenza
1. Ama-Polyesters nama-Resins
- Ukukhiqizwa kwezinhlayiya ze-polyester ezingasetshenzisiwe (UPR) zokumboza kanye ne-fiberglass.
- I-Diluent yama-epoxy resins.
2. Iziqandisi namafriji
- Ukwakhiwa kwe-antifreeze enobuthi obuphansi (okuxutshwe ne-EG).
- I-ejenti yokuqeda amanzi yegesi yemvelo.
3. Ama-Plasticizer & Solvents
- I-solvent ye-nitrocellulose, oyinki, nama-adhesive.
- I-lubricant ye-textile.
4. Okunye Ukusetshenziswa
- I-humectant kagwayi, isisekelo sezimonyo, ukuhlanzwa kwegesi.
Imininingwane Yezobuchwepheshe
Into Ukucaciswa Ubumsulwa ≥99.0% Ukuminyana (20°C) 1.116–1.118 g/cm³ Iphuzu elibilayo 244–245°C I-Flash Point 143°C (Iyavutha)
Ukupakisha & Isitoreji
- Ukupakishwa: 250kg izigubhu zikagala, amathangi e-IBC.
- Isitoreji: Kuvalwe, komile, kungene umoya, kude nama-oxidizer.
Amanothi Okuphepha
- Ingozi Yezempilo: Sebenzisa amagilavu/izibuko ukugwema ukuthintana.
- Isexwayiso Sobuthi: Ungadli (okumnandi kodwa kunobuthi).
Izinzuzo Zethu
- Ukuhlanzeka Okuphezulu: I-QC eqinile enokungcola okuncane.
- Ukunikezela Okuguquguqukayo: Ukupakisha ngobuningi/okwenziwe ngokwezifiso.
Qaphela: Imibhalo ye-COA, i-MSDS, ne-REACH iyatholakala.