I-Maleic Anhydride: I-Organic Chemical Raw Material Eqakathekileko Eqhuba Ukuthuthukiswa Emikhakheni Eminengi
Iindawo ezikulu zokusebenza
Embonini yamakhemikhali, i-maleic anhydride yinto eqakathekileko yokukhiqiza ama-unsaturated polyester resins (UPR). Ama-resin la anezinto ezihle khulu, ukujamelana namakhemikhali, nokujamelana nobujamo bezulu begodu asetjenziswa khulu ekukhiqizeni amaplastiki aqiniswe ngefayibha yengilazi (i-GFRP), njengeenkepe, iingcenye zeenkoloyi, kanye nama-wind turbine blade. Ukungezelela, i-maleic anhydride ingasetjenziselwa ukwenza ama-alkyd resins, ane-gloss ehle nokuqina begodu asetjenziswa khulu emabubulweni we-coatings ne-inks.
Ebubulweni lamapulasitiki, i-maleic anhydride isetjenziselwa ukukhiqiza amaplastiki atjhugululwe nge-maleic anhydride. Ngokusebenzisa ama-monomers ahlukileko, i-maleic anhydride ingenza ngcono ubujamo bamapulasitiki, njengokukhuphula ukujamelana nokutjhisa namandla womtjhini. Ukwenza isibonelo, i-maleic anhydride grafted polystyrene, ehlanganiswe ne-styrene, inokujamelana nokutjhisa okuhle khulu kanye nezakhiwo zemitjhini begodu isetjenziswa khulu emabubulweni we-elekthronikhi neweenkoloyi.
Embonini yerabha, i-maleic anhydride isetjenziselwa ukukhiqiza iinthako zerabha. Ingasebenzisana nerabha ukwakha izakhiwo ezihlangeneko, okukhuphula ukujamelana nokutjhisa nokujamelana nokuguga kwerabha. I-Maleic anhydride nayo isetjenziselwa ukukhiqiza ama-ejenti wokuvutha iraba kanye nama-ejenti wokulwisana nokuguga, okwenza bona imikhiqizo yerabha iphile isikhathi eside.
Ebubulweni bephunga nemithi, i-maleic anhydride isetjenziswa njengesiphakathi ekukhiqizeni izinto eziphilako. Ingasetjenziselwa ukwakha amakha ahlukahlukeneko, afana ne-diethyl maleate, esetjenziswa khulu emakha nezimonyo. Ukungezelela, i-maleic anhydride ingasetjenziselwa ukwenza ezinye izinto eziphakathi kwemithi, ezifana nama-derivatives we-maleic anhydride, ukwenza ama-antibiotics nemithi yenhliziyo.
Ekuhlanzeni amanzi, i-maleic anhydride isetjenziselwa ukukhiqiza ama-ejenti wokuhlanza amanzi. Ingasabelana nama-ayoni we-calcium kanye ne-magnesium emanzini ukwakha ama-precipitates angancibiliki, ngaleyo ndlela yehlise ukuqina kwamanzi. I-Maleic anhydride ingasetjenziselwa ukukhiqiza iinqabo zokugqwala kanye neenqabo zokuvimbela ukugqwala nokugqwala eenhlelweni zamanzi.
Nanyana isetjenziswa ngeendlela ezinengi, i-maleic anhydride ine-esidi begodu iyabola, begodu ukusetjenziswa kwayo nokubulungwa kwayo kutlhoga iinqabo eziqinileko zokuphepha. I-Maleic anhydride idonsa lula umswakama eendaweni ezinomswakama, njeke kufuze igcinwe esitjeni esivaliweko. Phezu kwalokho, iinsombululo ze-maleic anhydride ziyabola, begodu iinsetjenziswa zokuzivikela ezifaneleko kufanele zigqokwe lokha nazisetjenziswako ukubalekela ukuthintana nesikhumba namehlo. Ekukhiqizeni kwezebubulo, ukusetjenziswa kwe-maleic anhydride kuvame ukwenzeka eenhlelweni ezivaliweko ukwehlisa umthelela wemvelo.
Iinqophiso
| Ibizo lomkhiqizo | I-Maleic Anhydride | |||||||||
| Ifomula yamakhemikhali | C4H2O3 | |||||||||
| Ubunzima bamamolekhyuli | 98.06 g/mol | |||||||||
| Ukuvela | Ama-briquette amhlophe | |||||||||
| Indawo yokuncibilika | 52.8°C | |||||||||
| Indawo yokubila | 202°C | |||||||||
| Ukuminyana | 1.48 g/cm3 | |||||||||
| CAS NO | 108-31-6 | |||||||||
| Ikhodi ye-HS | 2917140000 | |||||||||
| I-EINECS NO | 203-571-6 | |||||||||
| Isibawo | Isetjenziswe nge-unsaturated polyester resin, ukugcoba, iinbulalantwala | |||||||||
Iphepha lokulawula ikhwalithi
| Ibizo lomkhiqizo | I-Maleic Anhydride | ||||||
| I-AYITHEMU | INANI ELIJWAYELEKILEKO (%) | INANI LOKUHLOLA (%) | |||||
| Ukuvela | Ama-briquette amhlophe | Ama-briquette amhlophe | |||||
| Ubumsulwa (ngo-MA) | 99.5WT%min | 99.72WT% | |||||
| Umbala oncibilikileko | 25APHA Ubukhulu | 15APHA | |||||
| Iphuzu lokuqinisa | 52.5℃ Min | 52.6°C | |||||
| Umlotha | 0.005WT% Ubukhulu | ＜0.001WT% | |||||
| Uku-ayina | 3PPM Ubukhulu | 0.32PPM | |||||
Ngokufingqa
Ngokufingqa, i-maleic anhydride, njengesisetjenziswa esiqakathekileko samakhemikhali, idlala indima eqakathekileko emabubulweni amanengi. Akuthuthukisi ukusebenza kwemikhiqizo nekhwalithi kwaphela kodwana isekela nokuthuthukiswa kwebubulo lesimanjemanje. Ngokuragela phambili kwethekhnoloji, amathuba wokusetjenziswa kwe-maleic anhydride azokubanzi khulu.