Iindaba
-
Zithini iimeko zokusabela kunye nokusabela kwe-esterification ye-maleic anhydride?
Ulawulo lweMeko yokusabela kwi-Maleic Anhydride I-Maleic anhydride iveliswa zii-oxidation reactions, ezineemeko ezibalulekileyo eziquka ubushushu, ixesha, kunye noxinzelelo. Iiparameter eziqhelekileyo zezi: ubushushu obuphakathi kwe-170–220°C, ixesha lokuphendula leeyure ezi-2–6, kunye noxinzelelo lwe-1–3 MPa. Ezi parameters kufuneka zibe...Funda ngokugqithisileyo -
Ungayikhetha njani i-catalyst ye-anhydride ye-maleic?
Ukukhethwa kweCatalyst yeMaleic Anhydride Iimpendulo ze-oxidation kwimveliso ye-maleic anhydride zixhomekeke kwi-catalysts; iindlela ezisetyenziswa kakhulu ziityuwa ze-organic kunye neetyuwa ze-ammonium. Ukukhethwa kweCatalyst kufuneka kuthathele ingqalelo umsebenzi, uzinzo, kunye neendleko. Ukongeza, uxinzelelo kunye nomthamo we-catalyst kufuneka...Funda ngokugqithisileyo -
Zithini iimfuno zokukhetha izinto eziluhlaza ze-anhydride ye-maleic?
I-anhydride ye-maleic yikhemikhali ebalulekileyo ye-organic, esetyenziswa kakhulu kumashishini afana neplastiki, irabha, ii-coating, kunye namayeza. Nazi iimfuno zobugcisa zokuveliswa kwayo: Ukukhethwa kwezinto eziluhlaza Izinto eziphambili ze-anhydride ye-maleic yi-benzene kunye ne-acetic acid. I-Benzene kufuneka...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwimizi-mveliso yokwenza amaphepha kunye namayeza?
Ishishini Lokwenza Amaphepha. Iiresini ze-maleic anhydride eziguqulwe yi-MA zisetyenziswa njengeearhente zonyango lwephepha; i-maleic anhydride i-MA-modified rosin (i-maleated rosin) yiarhente yokulinganisa yangaphakathi. I-Fumaric acid-modified rosin gum (iarhente yokulinganisa i-acid esetyenziswa kakhulu) iphucula uzinzo lwephepha nge-oxidation egqwesileyo kunye...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwishishini lempahla?
Izincedisi zeLaphu. Isithambisi esidityanisiweyo (esisekelwe kwi-ester ye-thiodisuccinic acid ende, eyenziwe kwi-MA maleic anhydride kunye ne-stearyl alcohol) sisetyenziselwa ukuthambisa umqhaphu, isilika, kunye namalaphu e-polyester. I-MA ikwasetyenziselwa ukwenza ii-agents zokwenza mhlophe ezikhanyayo kunye nezisasazi zedayi zokuprinta...Funda ngokugqithisileyo -
Iyintoni impembelelo ye-anhydride ye-maleic kwi-plasticizers?
Iiplastiki. I-dibutyl maleate ethathwe kwi-anhydride ye-Maleic kunye ne-dioctyl maleate zizinto ezibalaseleyo zeplastiki zangaphakathi zeplastiki. I-anhydride ye-Hexahydrophthalic kunye ne-diphenyl maleate (eyenziwe kwi-anhydride ye-MA Maleic) zizinto ezisebenza kakhulu ngaphandle zeplastiki. Ishishini lokutya. I-Fumaric acid (evela kwi-anhydride ye-MA Maleic...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride ye-maleic kwimithi yokubulala iintsholongwane kunye neengubo?
Kwizinto zokugquma, i-anhydride ye-maleic isebenza njengecandelo elenza ifilimu kwizinto zokugquma ezisekelwe emanzini, ezisekelwe kwi-oyile, kunye nezokwenziwa (umz., i-alkyd, i-polyester, i-maleic anhydride-modified rosin, kunye ne-tung oil-maleic acid resins). Izibulali-zinambuzane. I-Malathion (eyenziwe kwi-maleic anhydride kunye ne-P205) ayisiyongozi kangako...Funda ngokugqithisileyo -
Isetyenziswa njani i-anhydride yama-maleic kwi-Synthetic Resins?
IiResins zokwenziwa I-anhydride yeMaleic idibana neepolyols (ilandelwa yi-cross-linking ene-styrene) ukuze yenze ii-resins ze-polyester ezingagcwaliyo (UPR), i-resin ye-thermosetting. I-UPR yahlulwe yaba ziiplastiki eziqiniswe ngefayibha (i-FRP, eyaziwa ngokuba yiplastiki eqiniswe ngefayibha) kunye neeplastiki ezingaqinisiweyo. I-FRP i...Funda ngokugqithisileyo -
Zeziphi iikhemikhali eziveliswa yi-maleic anhydride?
Ukusetyenziswa kwe-anhydride ye-Maleic kubanzi kakhulu, kusetyenziswa kakhulu ekuveliseni ii-resin ze-polyester ezingaqiniswanga (i-UPR) (eziqinisiweyo nezingaqiniswanga), ii-coating, iipeyinti, ii-inki, iiplastiki zobunjineli, amayeza, izibulali-zinambuzane, ukwenza iphepha, izixhobo zelaphu, izongezo zokutya, izongezo zokutya...Funda ngokugqithisileyo -
Zithini iimpawu ze-anhydride ye-maleic?
Iipropati kunye nokusetyenziswa kweMaleic Anhydride Maleic Anhydride (MA), ekwaziwa ngokuba yi-2,5-Furandione, idla ngokubizwa ngokuba yi-maleic anhydride okanye i-malic anhydride eyomileyo. Njengezinto eziphambili ze-organic chemical raw material, i-maleic anhydride yenye yezona anhydride zibalulekileyo kwi-organic c...Funda ngokugqithisileyo -
Yeyiphi indlela entsha yokuvelisa i-calcium formate?
Indlela yokuvelisa i-calcium formate ikwicandelo lobuchwephesha lokuvelisa iimveliso zeekhemikhali. I-calcium formate sisixhobo esisetyenziswa kakhulu se-organic chemical raw material. Okwangoku, iindlela zokuvelisa i-calcium formate ezikhoyo zijongene neendleko eziphezulu zemveliso kunye nokungcola okugqithisileyo. Le teknoloji...Funda ngokugqithisileyo -
I-calcium formate isetyenziswa njani ekwakheni nasekutyeni kwezilwanyana?
I-Calcium formate, eyaziwa ngokuba yi-ant formate, inefomula yemolekyuli i-C₂H₂O₄Ca. Isetyenziswa njengesongezelelo sokutya esifanelekileyo kwizilwanyana ezahlukeneyo, ngemisebenzi efana nokuqinisekisa i-asidi, ukumelana nokubola, kunye nomsebenzi wokulwa neentsholongwane. Kwimizi-mveliso, ikwasetyenziswa njengesongezelelo kwikhonkrithi nakwisigqubuthelo,...Funda ngokugqithisileyo