Ukuqonda iiimpawu zokunyibilika kwetetraethyl silicate(TES)ibalulekile kumashishini asebenzisa le khompawundi iguquguqukayoizinto zokuncamathelisa, iiseramikhi, kunye ne-elektroniki. TES, eyaziwa ngokubai-ethyl silicate, isetyenziswa ngokuqhelekileyoi-silica precursoreziziphatha ngokwahlukileyo kwizinyibilikisi ezahlukeneyo. Ukunyibilika kwayo kuchaphazela ngokuthe ngqo indlela egcinwa ngayo, iphathwa, kwaye isetyenziswe ngayo kwiinkqubo ezahlukeneyo. Kweli nqaku, siza kuphononongaUkunyibilika kwe-tetraethyl silicate emanzini kunye nezinyibilikisi, kunye nokubonelela ngeengcebiso ezisebenzayo zokuphucula ukusetyenziswa kwayo kwizicelo zoshishino.
Kutheni i-Solubility ibalulekile kwiiNkqubo zoShishino
Kwikhemistri yeshishini,ukuqonda ukunyibilika kwekhompawundikubalulekile ukuqinisekisaukuqulunqwa ngokufanelekileyo, ukusetyenziswa, kunye nokugcinwa. Kubatetraethyl silicate, ukunyibilika kudlala indima ebalulekileyoindlela esabela ngayo kwezinye izintokunye nendlela eyakha ngayoiinethiwekhi ze-silikangexesha le-hydrolysis.
I-TES isetyenziswa kwizicelo aphoukubunjwa kwe-silicaIyafuneka. Nangona kunjalo, yayoreactivity ngamanzi kunye nokuhambelana nezinyibilikisi eziphilayokufuneka ilawulwe ngononophelo ukuphumezaukusebenza kwemveliso efunwayo.
Ukunyibilika kweTetraethyl Silicate emanzini
Enye yeempawu eziphawulekayo zetetraethyl silicateyiyoukunyibilika okulinganiselweyo emanzini. Xa i-TES idibana namanzi, idlulaimpendulo ye-hydrolysis, ekhokelela ekusekweni kweasidi yesilicickunye ne-ethanol.
Amanqaku aphambili omawawazi:
• I-TES iinyibilika ngokuyinxenyeemanzini kodwa isabela ngokukhawuleza ukwenzaijeli yesilika.
• Inkqubo yehidrolisisiukukhawuleza kubukho be-acidic okanye i-catalysts esisiseko.
• Njengoko i-TES isabelana namanzi, yenza i-ainethiwekhi yesilikaezinokuthi zisetyenziswe ukwenza iingubo, izinto zokuncamathelisa, kunye nezitywina.
Ingcebiso esebenzayo:
Xa uphatha i-TES kwizicelo ezisekelwe emanzini, kubalulekile ukubalawula inkqubo ye-hydrolysisukuthintela i-gelation ngaphambi kwexesha kunye nokufezekisa aumaleko we-silica ofanayo.
Ukuziphatha kweTetraethyl Silicate kwi-Organic Solvents
Ngokungafaniyo nendlela esabela ngayo emanzini,I-tetraethyl silicate inyibilika kakuhle kwizinyibilikisi ezininzi zezinto eziphilayo. Ukunyibilika kwayo kwiii-alcohol, iiketones, kunye neehydrocarbonsiyenza isebenziseke kwizinto ezininziiindlela ezahlukeneyo zoshishino.
Izinyibilikisi eziqhelekileyo ze-TES:
1.I-Ethanol kunye neMethanol:I-TES inyibilika ngokululaizinyibilikisi ezisekwe etywaleni, ezihlala zisetyenziselwa iingubo kunye ne-adhesives ukufezekisaisicelo esigudileyokwayeukubunjwa kwefilimu efanayo.
2.Iacetone:Njengendlela esetyenziswa ngokubanzii-ketone solvent, i-acetone inokunyibilikisa ngempumelelo i-TES kwaye isetyenziswa ngokuqhelekileyo kuyoukucoca kunye nokunciphisaukwakheka.
3.Toluene kunye neXylene:Eziizinyibilikisi ze-hydrocarbonziyahambelana TES kwaye zihlala zisetyenziswa kwiiingubo zamashishiningenxaukuqina okuphuculweyo kunye nokubambelela.
Ingcebiso yePro:
Khetha isinyibilikisi esifanelekileyo ngokusekwe kwiiimfuno zesicelo. Njengokuba,izinyibilikisi ezisekwe etywalenizilungeleiingubo zokomisa ngokukhawuleza, ngelixaizinyibilikisi ze-hydrocarbonbonelelaukomelela okongeziweyo.
Izinto ezichaphazela ukunyibilika kwe-TES
Zininzi izinto ezinokuchaphazelaukunyibilika kwe-tetraethyl silicate, kuquka:
1.Ubushushu:
Amaqondo obushushu aphezulu angakwaziukwandisa ukunyibilikaye-TES kwizinyibilikisi ezithile, kodwa ziyakwaziisantya se-hydrolysisxa amanzi ekhona.
2.Amanqanaba e-pH:
I-pH yesisombululo inokuchaphazelaizinga le-hydrolysis. Iimeko ze-Acidic okanye ezisisisekokhawulezisa ukusabela, ngelixa i-pH engathathi hlangothi iyayinciphisa.
3.Ugxininiso:
Ukuxinwa kwe-TES kwi-solvent kunokuchaphazelauzinzo kunye nokusebenza. Izisombululo ezixutywezizinzile ngakumbi, ngelixaukugxila okuphezuluinokukhokelela kwiimvulaokanyei-gelation.
Ingcebiso esebenzayo:
Xa uqulunqa nge-TES,esweni ubushushu, pH, kunye noxinanisoukufezekisa ukunyibilika okufunayo kunye nokusebenza kwakhona kwisicelo sakho.
Usetyenziso lwe-TES Ngokusekwe kwiiPropati zokuSolubility
Ukuqonda ukunyibilika kwetetraethyl silicateivumela abavelisi ukuba bandise ukusetyenziswa kwayo kwizicelo ezahlukeneyo:
•Iingubo:I-TES iyanyibilikaizinyibilikisi ezisekwe etywaleniukudalaiingubo ze-silica ezikhuselayoyesinyithi, iiseramikhi, kunye neglasi.
•Izinto zokuncamathelisa kunye nezitywini:Kwizinto zokuncamathelisa, i-TES isetyenziselwaqinisa iibhondikwayeukuphucula ukumelana nobushushu.
•Izaramics:Ukunyibilika kwe-TES kwizinyibilikisi ezifana ne-ethanol kuvumela ukuba isetyenziswe njenge-aisibophelelongenxaiiceramics eziphezulu zokusebenza.
•Ezombane:I-TES isetyenziswa rhoqo kwiiingubo ze-dielectricngenxa yayoukunyibilika kwizinyibilikisi zehydrocarbonkunye nokukwazi ukwenzaobhityileyo, umaleko ofanayo.
IiNdlela eziGqwesileyo zokuPhatha iTetraethyl Silicate
Ukwandisa izibonelelo ze-TES kwizicelo zamashishini, landela ezi ndlela zilungileyo:
1.Khetha i-Solvent eLungileyo:
Khetha isinyibilikisi esiyiyoiyahambelana nesicelo sakhokwaye ibonelela ngeixesha lokumisa elifunwayo kunye neempawu zefilimu.
2.Lawula iHydrolysis:
Kwimixube esekwe emanzini,lawula inkqubo ye-hydrolysisukubalekai-gelation ngaphambi kwexeshakwaye uqinisekiseumgangatho wemveliso ohambelanayo.
3.Gcina ngokufanelekileyo:
I-TES kufuneka ibeigcinwe kwindawo epholileyo neyomileyoUkunqandaukutyhileka kokufumakwayei-hydrolysis engalindelekanga.
Ukuqukumbela: Yandisa iiFowulation zakho ngoLwazi lokunyibilika kwe-TES
Iiipropati zokunyibilika kwe-tetraethyl silicateidlala indima ebalulekileyo kuyoisicelo kuwo wonke amashishini. Ngokuqonda indlela i-TES eziphatha ngayoamanzi kunye nezinyibilikisi eziphilayo, abavelisi banokuziphucula zaboukwakheka, ukuphucula ukusebenza kwemveliso, kwayeukunciphisa iindleko zemveliso.
Ukuba ujonge ukomeleza iinkqubo zakho zoshishino ngeizisombululo zeekhemikhali ezikumgangatho ophezulu, uqhagamshelwanoFortune Chemicalnamhlanjeukufumana isikhokelo kunye nenkxaso yeengcali. Masikuncedeukwandisa amandla e-tetraethyl silicatekuqulunqo lwakho.
Ixesha lokuposa: Jan-16-2025