1) Okwu mmalite nke graphite expandable
Grafite na-agbasawanye, nke a makwaara dị ka graphite na-agbanwe agbanwe ma ọ bụ worm graphite, bụ ụdị ihe carbon ọhụrụ. Eserese graphite nwere ọtụtụ uru, dị ka nnukwu mpaghara surce a kapịrị ọnụ, ọrụ elu dị elu, nkwụsi ike kemịkal dị mma na nguzogide oke okpomọkụ. Usoro nkwadebe a na-emekarị nke graphite gbasaa bụ iji graphite eke eke dị ka ihe, buru ụzọ mepụta graphite gbasaa site na usoro oxidation, wee gbasaa ya na graphite gbasaa. N'ihe banyere okpomọkụ dị elu, ihe graphite gbasaa nwere ike gbasaa ngwa ngwa 150 ~ 300 ugboro n'olu, ma gbanwee site na flake ka ọ bụrụ na ọ dị ka, nke mere na ihe owuwu ahụ bụ nke rụrụ arụ, porous na curved, n'elu ebe na-agbasawanye, elu ike na-mma. , ike adsorption nke flake graphite na-eme ka ọ dịkwuo mma, na ikpuru dị ka graphite nwere ike itinye ya n'onwe ya, nke mere na ihe ahụ nwere ọrụ nke ire ọkụ retardant, akara na adsorption, a na-ejikwa ya n'ọhịa nke ndụ, agha, nchebe gburugburu ebe obibi. , ụlọ ọrụ kemịkalụ na ihe ndị ọzọ.
2) Usoro nkwadebe nke graphite gbasaa
A na-ejikarị oxidation kemịkalụ na oxidation electrochemical maka graphite gbasaa. Usoro oxidation nke ọdịnala nwere usoro dị mfe na ịdị mma kwụsiri ike, mana enwere ụfọdụ nsogbu dịka mkpofu acid na ọdịnaya sọlfọ dị elu nke ngwaahịa. Usoro electrochemical anaghị eji oxidants, ngwọta acid nwere ike ịmegharị ya ọtụtụ oge, na-enwe mmetọ gburugburu ebe obibi dị ala na ọnụ ala dị ala, mana mkpụrụ dị ala na ihe ndị a chọrọ maka ihe electrode dị elu. Ugbu a, ọ bụ naanị na nyocha ụlọ nyocha. Na mgbakwunye na ụzọ oxidation dị iche iche, ụzọ abụọ ahụ nwere otu ọgwụgwọ post-ọgwụgwọ dị ka deacidification, ịsacha mmiri na ihicha. Usoro oxidation kemịkalụ bụ usoro a na-ejikarị eme ihe ruo ugbu a. Usoro a tozuru oke ma bụrụ nke a na-ewu ewu ma tinye ya n'ọrụ na ụlọ ọrụ.
3)Ọdịiche dị n'etiti graphite gbasaa na graphene
Graphene na graphite gbasaa nwere arụmọrụ dị iche iche na nhazi ihe yana mpaghara ngwa. Enwere ike iji graphite gbasaa dị ka akụrụngwa maka mmepụta graphene. Dịka ọmụmaatụ, enwere ike iji usoro Hummers nweta graphene oxide site na mgbasawanye ultrasonic nke graphite oxide. Mgbe a na-ewepụ graphite gbasaa n'ime otu ibe, ọ na-aghọ graphene. Ọ bụrụ na a na-eyipụ ya n'ọtụtụ ọkwa, ọ bụ graphene ole na ole. Enwere ike ịkwadebe nanosheets graphene site na ihe karịrị okpukpu iri ruo 30.
4) Mpaghara ngwa bara uru nke graphite gbasaa
1. Ngwa nke ngwa ahụike
Uwe ahụike nke graphite gbasaa nwere ike dochie ọtụtụ gauze ọdịnala n'ihi ọtụtụ ihe mara mma.
2. Ngwa nke ngwa agha
A na-egweri graphite gbasaa ka ọ bụrụ ntụ ntụ dị mma, nke nwere àgwà ịgbasa siri ike na absorption na ebili mmiri infrared. Ime ntụ ntụ ya dị mma ka ọ bụrụ ihe mkpuchi infrared mara mma na-arụ ọrụ dị mkpa na ihe mgbochi fotoelectric na agha ọgbara ọhụrụ.
3. Ngwa nke ihe nchebe gburugburu ebe obibi
A na-eji graphite gbasaa n'ọtụtụ ebe n'ọhịa nke nchekwa gburugburu ebe obibi n'ihi njupụta ya dị ala, nke na-adịghị egbu egbu, enweghị mmetọ, ọgwụgwọ dị mfe na mgbasa ozi dị mma.
4. Ihe ndi ozo
Ihe carbon nwere ndakọrịta nke ọma na ahụ mmadụ ma bụrụ ezigbo ihe eji eme ihe biomedical. Dị ka ụdị ihe carbon ọhụrụ, ihe graphite gbasasịrị nwere njirimara mgbasa ozi mara mma maka macromolecules organic na biological. Ọ nwere ezigbo biocompatibility, adịghị egbu egbu, enweghị ụtọ na enweghị mmetụta ọ bụla. Ọ nwere atụmanya ngwa sara mbara na ngwa biomedical.
Oge nzipu: Mee-17-2022