Mgbe a na-emeso graphite gbasaa ngwa ngwa na oke okpomọkụ, ọnụ ọgụgụ ahụ na-aghọ irighiri, na olu nwere ike gbasaa ugboro 100-400. Nke a na-agbasawanye graphite ka na-edobe ihe onwunwe nke eke graphite, nwere ezi expandability, rụrụ na porous, na-eguzogide okpomọkụ n'okpuru oxygen ihe mgbochi ọnọdụ. Ogologo nso, nwere ike ịdị n'etiti -200 ~ 3000 ℃, chemical Njirimara na-eguzosi ike n'okpuru elu okpomọkụ, elu nrụgide ma ọ bụ radieshon ọnọdụ, na ike na static akara nke mmanụ ala, chemical, eletriki, ụgbọ elu, ụgbọ ala, ụgbọ mmiri na ngwá ọrụ ụlọ ọrụ E nwere a ọtụtụ ngwa ngwa. Ndị na-edezi Furuit Graphite ga-akpọrọ gị ka ị ghọta usoro mmepụta ihe nke graphite na-agbasa:
1. Ultrasonic oxidation usoro ka expandable graphite.
Na usoro nke ịkwadebe graphite gbasaa, ultrasonic vibration na-eme na electrolyte anodized, na oge ultrasonic vibration bụ otu ihe ahụ dị ka nke anodization. Ebe ọ bụ na vibration nke electrolyte site na ultrasonic ebili mmiri bara uru na polarization nke cathode na anode, a na-eme ngwa ngwa nke oxidation anodic na oge oxidation na-ebelata;
2. Usoro nnu gbazere na-eme ka graphite gbasaa.
Gwakọta ọtụtụ ntinye na graphite na okpomọkụ iji mepụta graphite gbasaa;
3. A na-eji usoro mgbasa ozi nke gas na-eme ka graphite gbasaa.
A na-ebute graphite na ihe ndị a na-agbanye n'otu n'otu na nsọtụ abụọ nke oghere na-ekpuchi tube, na-ekpo ọkụ na njedebe nke ihe na-eme ka ọ bụrụ ihe na-eme ka ọ dị mkpa, a na-emepụta ihe dị iche iche nke nrụgide site na okpomọkụ dị iche n'etiti nsọtụ abụọ ahụ, nke mere na ihe ahụ na-ejikọta ya. abanye flake graphite oyi akwa na steeti obere ụmụ irighiri ihe, si otú Kwadebere expandable graphite. Enwere ike ịchịkwa ọnụ ọgụgụ nke ọkwa nke graphite gbasaa site na usoro a, ma ọnụ ahịa mmepụta ya dị elu;
4. The chemical intercalation usoro na-eme ka expandable graphite.
Ngwa ngwa eji eme ihe maka nkwadebe bụ graphite carbon flake dị elu, yana reagents ndị ọzọ kemịkalụ dị ka sulfuric acid gbanyere mkpọrọgwụ (karịa 98%), hydrogen peroxide (karịa 28%), potassium permanganate, wdg bụ ndị nrụpụta ọkwa ụlọ ọrụ niile. The n'ozuzu nzọụkwụ nke nkwadebe bụ dị ka ndị a: na okpomọkụ kwesịrị ekwesị, hydrogen peroxide ngwọta, eke flake graphite na lekwasị sulfuric acid nke dị iche iche n'ike-n'ike na-meghachi omume ruo oge ụfọdụ n'okpuru mgbe nile edemede na dị iche iche mgbakwunye usoro, wee saa na mmiri ka. nnọpụiche, na centrifuged, Mgbe akpịrị ịkpọ nkụ, ihicha ihicha na 60 Celsius C;
5. Electrochemical mmepụta nke graphite expandable.
A na-emeso ntụ ntụ graphite na acid electrolyte siri ike iji mee graphite gbasaa, hydrolyzed, saa na akpọnwụwo. Dị ka acid siri ike, sulfuric acid ma ọ bụ nitric acid na-ejikarị eme ihe. Grafite na-agbasawanye nke a nwetara site na usoro a nwere ọdịnaya sọlfọ dị ala.
Oge nzipu: Mee-27-2022