Ha ho hlahlojoa lefatše la lik'hemik'hale, motsoako o mong o hlahelletseng ka ho feto-fetoha ha oona le ts'ebeliso ea ona ho pholletsa le indasteri ketetraethyl silicate. Le hoja motsoako oa eona oa lik'hemik'hale o ka 'na oa bonahala o rarahane, ho o utloisisa ke senotlolo sa ho utloisisa kamoo motsoako ona o tsamaisang liphetoho tsa bohlokoa tsa lik'hemik'hale likarolong tse sa tšoaneng, ho tloha ho tsa elektronike ho ea ho tsa meriana. Sehloohong sena, re tla arola li-tetraethyl silicate foromole ho hlahloba hore na sebopeho sa eona sa limolek'hule se ama boitšoaro ba sona joang lits'ebetsong tsa indasteri.

Tetraethyl Silicate (TEOS) ke eng?

Tetraethyl silicate, eo ka tloaelo e tsejoang e leTEOS, ke motsoako oa organosilicon leforomo ea lik'hemik'hale Si(OC2H5)4. Motsoako ona o na le aathomo ea silicon (Si)tlamahane ho tse nnelihlopha tsa ethoxy (–OC2H5), ho etsa hore amolek'hule ea tetrahedral. Ha hydrolyzed, liforomo tsa TEOSsilika-e leng thepa ea bohlokoa e sebelisoang ha ho etsoa lisebelisoa tsa elektronike, likoatipa le lisebelisoa tse ling tse fapaneng.

Ho utloisisa eonaforomo ea lik'hemik'halee re lumella ho utloisisa lebakatetraethyl silicateke motsoako oa bohlokoa joalo ka har'a liindasteri tse ngata.

Ho Senya Foromo ea Tetraethyl Silicate

Ho utloisisa bohlokoa ba hotetraethyl silicate (Si(OC2H5)4), a re qaleng ka ho hlahloba likarolo tsa eona ka bomongsebopeho sa molek'hule:

•Athomo ea Silicon (Si):Athomo e bohareng ea molek'hule, silicon, e bapala karolo ea bohlokoa ho theheng maqhama a tsitsitseng le liathomo tsa oksijene le carbon.

•Lihlopha tsa Ethoxy (–OC2H5):E 'ngoe le e' ngoe ea lihlopha tse 'nè tsa ethoxy e entsoe ka athomo ea oksijene e kopantsoeng le sehlopha sa ethyl (C2H5). Sena se etsa hore TEOS e sebetse haholo 'me e khone ho etsa liphetoho tsa bohlokoa tsa lik'hemik'hale joalo kahydrolysislecondensation.

Litlamo tsena li fa TEOS thepa e ikhethang, e etsa hore e be molemo haholo ha ho etsoalisebelisoa tse entsoeng ka silikale metsoako e meng e tsoetseng pele.

Kamoo Foromo ea Tetraethyl Silicate e Amang Karabelo ea Lik'hemik'hale Kateng

Thetetraethyl silicate foromoe bohlokoa bakeng sa ho utloisisa boitšoaro ba eona tšebetsong ea lik'hemik'hale. Haholo-holo, TEOS e kena ts'ebetsong e tsejoang e lehydrolysis, moo lihlopha tsa ethoxy li itšoarang ka metsi, tse lebisang ho thehoeng hasilikale ethanol. Boitšoaro bona ke ba bohlokoa tlhahisong ealifilimi tse nyane tsa silikale tse dinglisebelisoa tse thehiloeng ka silicon, tse bohlokoa haholo ho lisebelisoa tsa elektroniki, liaparo le meriana.

Hydrolysis ea Tetraethyl silicate

Ha TEOS e arabela ka metsi, lihlopha tsa ethoxy li nkeloa sebaka ke lihlopha tsa hydroxyl, tse lebisang ho thehoeng hasilicon hydroxide(Si–OH). Mokhoa ona o hlahisaethanoljoalo ka sehlahisoa. Ts'ebetso ea hydrolysis e laoloa haholo maemong a indasteri ho netefatsa sebopeho sa boleng bo holimosilikalisebelisoa.

Condensation ea Tetraethyl Silicate

Ka mor'a hydrolysis, holihlopha tsa hydroxylthehoa ka sebelisana le liathomo tse ling silicon, isang hocondensationkarabelo. Mohato ona oa thehasilicon-oksijene-silicon(Si-O-Si) bond, e leng se bakang hore ho thehoe sebopeho sa marang-rang se tsejoang e lesilika. Bokhoni ba TEOS ba ho theha litlamo tsena bo lumella ho kenya letsoho ho thehoeng hamarang-rang a matla, a tšoarellang a silika.

Lisebelisoa tsa Tetraethyl Silicate le Foromo ea eona ea Lik'hemik'hale

Thetetraethyl silicate foromole reactivity ea eona e etsa hore TEOS e be karolo ea bohlokoa liindastering tse 'maloa:

1. Tlhahiso ea Electronics le Semiconductor

TEOS ke selelekela sa bohlokoa tlhahisong easilicon dioxidelifilimi tse sebelisoang indastering ea elektroniki. Ka ho utloisisa eonaforomo ea lik'hemik'hale, bahlahisi ba ka khona ho laola ka nepobolenglebotenyaea lifilimi tsena, ho ntlafatsa ts'ebetso eali-microchipslelisebelisoa tsa semiconductor.

2. Liaparo le Lipente

Hoindasteri ea liaparo, TEOS e sebelisetsoa ho etsa likarolo tse sireletsang, tse sa tsitsang bakeng sa libaka tse sa tšoaneng. Ho thehoa ha silika ka TEOS hydrolysis ho etsa bonnete ba hore liaparo li tšoarella ka nako e telele ebile li tšoarella nako e telele.

3. Meriana ea meriana

Thetetraethyl silicate foromoe bohlokoa hape hoindasteri ea merianabakeng sa tlhahisoli-excipient tsa silika, tse bohlokoa ho thehoeng hamatlapa le li-capsules. TEOS e thusa ho ntlafatsabotsitso, bioavailability, lelitefiso tsa ho qhalaea metsoako e sebetsang meriana.

Hobaneng ho Utloisisa Litaba tsa Foromo ea Tetraethyl Silicate?

Mokhoa oa lik'hemik'hale oatetraethyl silicateke ntho e fetang feela e emelang motsoako. E fana ka temohisiso ea hore na TEOS e sebelisana joang le lik'hemik'hale tse ling, hore na e theha joangsilikamarang-rang, le hore na ke hobane'ng ha e le mohloli oa bohlokoa hakana lits'ebetsong tsa indasteri. Hore na e kenelisebelisoa tsa elektronike, likoahelo, kapameriana, mohaho o ikhethang oa TEOS o o lumella hore o sebetse e le mohaho oa mohaho oa thepa e nang le thepa e ikhethang.

At Zhangjiagang Fortune Chemical Co., Ltd., re ikemiselitse ho fana ka boleng bo phahamengtetraethyl silicatebakeng sa lisebelisoa tse fapaneng tsa indasteri. Ka ho utloisisatetraethyl silicate foromole boitšoaro ba eona ba lik'hemik'hale, u ka notlolla bokhoni bo feletseng ba motsoako ona o matla lihlahisoa le mekhoa ea hau.