I-Maleic Anhydride: Eyona nto iphambili kwi-Organic Chemical Raw Material eqhuba uphuhliso kwiinkalo ezininzi
IiNdawo eziPhambili zeSicelo
Kwishishini leekhemikhali, i-maleic anhydride sisixhobo esibalulekileyo sokwenza ii-resin ze-polyester ezingagcwaliyo (UPR). Ezi resin zineempawu ezintle kakhulu zoomatshini, ukumelana neekhemikhali, kunye nokumelana nemozulu kwaye zisetyenziswa kakhulu ekuveliseni iiplastiki zeglasi eziqinisiweyo (GFRP), ezifana neenqanawa, iindawo zeemoto, kunye neeblade ze-wind turbine. Ukongeza, i-maleic anhydride ingasetyenziselwa ukwenza ii-resin ze-alkyd, ezinokukhanya okuhle kunye nokuqina kwaye zisetyenziswa kakhulu kumashishini eengubo kunye nee-inki.
Kwishishini leplastiki, i-anhydride ye-maleic isetyenziselwa ukuvelisa iiplastiki eziguqulwe yi-anhydride ye-maleic. Ngokusebenzisa i-copolymerizing ngee-monomers ezahlukeneyo, i-anhydride ye-maleic inokuphucula iipropati zeplastiki, njengokwandisa ukumelana nobushushu kunye namandla oomatshini. Umzekelo, i-polystyrene egxunyekwe yi-anhydride ye-maleic, ehlanganiswe ne-styrene, inokumelana nobushushu kunye neepropati zoomatshini kwaye isetyenziswa kakhulu kumashishini e-elektroniki kunye neemoto.
Kwishishini lerabha, i-maleic anhydride isetyenziselwa ukuvelisa izongezo zerabha. Ingasabela kunye nerabha ukwenza izakhiwo ezidityanisiweyo, iphucula ukumelana nobushushu kunye nokumelana nokuguguleka kwerabha. I-maleic anhydride ikwasetyenziselwa ukuvelisa ii-arhente zerabha ezivulcanizing kunye nee-arhente ezilwa nokwaluphala, yandisa ubomi benkonzo yeemveliso zerabha.
Kwimizi-mveliso yevumba elimnandi neyeza, i-anhydride ye-maleic isetyenziswa njengesixhobo esiphakathi kwi-organic synthesis. Ingasetyenziselwa ukuvelisa iindidi ngeendidi zeekhompawundi zevumba elimnandi, ezifana ne-diethyl maleate, esetyenziswa kakhulu kwiivumba elimnandi nakwizithambiso. Ukongeza, i-anhydride ye-maleic ingasetyenziselwa ukuvelisa ezinye izinto ezingaphakathi kweyeza, ezifana ne-derivatives ye-anhydride ye-maleic, ukuvelisa ii-antibiotics kunye namayeza entliziyo.
Xa kucocwa ngamanzi, i-maleic anhydride isetyenziselwa ukuvelisa izinto ezinyanga amanzi. Ingasabela kunye nee-calcium kunye nee-magnesium ions emanzini ukuze yenze ii-precipitates ezinganyibilikiyo, ngaloo ndlela inciphise ubulukhuni bamanzi. I-maleic anhydride ingasetyenziselwa ukuvelisa izinto ezithintela ukugqwala kunye nezithinteli zokukala ukuthintela ukugqwala kunye nokukhula kwamanzi kwiinkqubo zamanzi.
Nangona isetyenziswa ngeendlela ezahlukeneyo, i-maleic anhydride ine-asidi kwaye iyabola, kwaye ukusetyenziswa kwayo kunye nokugcinwa kwayo kufuna amanyathelo angqongqo okhuseleko. I-Maleic anhydride ifunxa lula umswakama kwiindawo ezifumileyo, ngoko ke kufuneka igcinwe kwisikhongozeli esivaliweyo. Ukongeza, izisombululo ze-maleic anhydride ziyabola kancinci, kwaye izixhobo ezifanelekileyo zokukhusela kufuneka zinxitywe ngexesha lokusetyenziswa ukuze kuthintelwe ukudibana nolusu namehlo. Kwimveliso yemizi-mveliso, ukusetyenziswa kwe-maleic anhydride kudla ngokuvela kwiinkqubo ezivaliweyo ukunciphisa impembelelo yokusingqongileyo.
Iinkcukacha
| Igama lemveliso | I-Maleic Anhydride | |||||||||
| Ifomula yeKhemikhali | C4H2O3 | |||||||||
| Ubunzima beMolekyuli | 98.06 g/mol | |||||||||
| Inkangeleko | Iibriquette ezimhlophe | |||||||||
| Indawo yokunyibilika | 52.8°C | |||||||||
| Indawo yokubilisa | 202°C | |||||||||
| Uxinano | 1.48 g/cm³ | |||||||||
| INOMBOLO YE-CAS | 108-31-6 | |||||||||
| Ikhowudi ye-HS | 2917140000 | |||||||||
| Hayi i-EINECS | 203-571-6 | |||||||||
| Isicelo | Isetyenziswa kwi-resin ye-polyester engagcwaliyo, iingubo, izibulala-zinambuzane | |||||||||
Iphepha Lolawulo Lomgangatho
| Igama lemveliso | I-Maleic Anhydride | ||||||
| INTO | IXABISO ELIQHELEKILEYO(%) | IXABISO LOVAVANYO(%) | |||||
| Inkangeleko | Iibriquette ezimhlophe | Iibriquette ezimhlophe | |||||
| Ubumsulwa (ngu-MA) | 99.5WT% umzuzu | 99.72WT% | |||||
| Umbala oTyhidiweyo | 25APHA Max | 15APHA | |||||
| Indawo Yokuqinisa | 52.5℃ Ubuncinane | 52.6℃ | |||||
| Uthuthu | 0.005WT% Ubuninzi | ＜0.001WT% | |||||
| Intsimbi | Ubuninzi be-3PPM | 0.32PPM | |||||
Isishwankathelo
Ngamafutshane, i-anhydride ye-maleic, njengezinto ezibalulekileyo ze-organic chemical, idlala indima ebalulekileyo kumashishini amaninzi. Ayiphuculi kuphela ukusebenza kwemveliso kunye nomgangatho kodwa ikwaxhasa uphuhliso lweshishini lanamhlanje. Ngokuqhubela phambili kwezobuchwepheshe, amathuba okusetyenziswa kwe-anhydride ye-maleic aya kuba banzi nangakumbi.