Molao-motheo oa phetoho ea 'mala le sebopeho sa li-pigments tse fetolehang tsa thermochromic:
Thermochromic pigment ke mofuta oa li-microcapsules tse fetolang 'mala khafetsa ha mocheso o phahama kapa o oa.
Thermochromic pigment e fetolehang e hlophisitsoe ho tsoa ho mofuta oa phetisetso ea elektronike organic compound system.Mofuta oa phetisetso ea elektrone organic compound ke mofuta oa sistimi ea mebala e nang le sebopeho se ikhethileng sa lik'hemik'hale.Ka mocheso o itseng, sebopeho sa limolek'hule tsa ntho e phelang e fetoha ka lebaka la ho fetisoa ha elektronike, ka hona ho hlokomela phetoho ea mebala.Ntho ena e fetolang mebala ha e na 'mala o khanyang feela, empa hape e ka lemoha phetoho ea' mala ho tloha boemong ba "mala === colorless" le "colorless === colorless".Ke mofuta o boima oa tšepe o rarahaneng oa letsoai le mofuta oa kristale oa metsi o fetohang mocheso Seo ntho e se nang sona.
Microencapsulated reversible thermochromic substance e bitsoa reversible thermochromic pigment (eo hangata e tsejoang e le: thermochromic pigment, thermopowder kapa thermochromic powder).Likaroloana tsa pigment ena li chitja, ka bophara ba li-micron tse 2 ho isa ho tse 7 (micron e le 'ngoe e lekana le sekete sa millimeter).Ka hare ke ntho e fetohang mmala, 'me ka ntle ke khetla e bonaletsang e ka bang 0.2 ~ 0.5 microns e teteaneng e sa qhibiliheng kapa hona ho qhibiliha.Ke eona e sireletsang ntho e senyang mebala ho tloha khoholehong ea lintho tse ling tsa lik'hemik'hale.Ka hona, ho bohlokoa haholo ho qoba ho senya khetla ena nakong ea tšebeliso.
Mocheso oa phetoho ea 'mala oa pigment ea thermochromic
1. Sensitive mocheso fetola mmala mocheso
Ha e le hantle, mocheso oa phetoho ea 'mala oa li-pigments tsa thermochromic hase ntlha ea mocheso, empa ke sebaka sa mocheso, ke hore, mocheso oa mocheso (T0 ~ T1) o kenyelelitsoe ho tloha qalong ea phetoho ea' mala ho fihlela qetellong ea phetoho ea 'mala.Bophara ba bohale bonaboholo ba sebaka sa tlhaho ke 4 ~ 6℃.Mefuta e meng e nang le 'mala o hlakileng haholoanyane (mefuta e moqotetsane, e hlalosoang ke "N") e na le mocheso o fokolang oa mocheso, ke 2 ~ 3 feela.℃.
Ka kakaretso, re hlalosa mocheso oa T1 o tsamaellanang le ho phethoa ha phetoho ea 'mala nakong ea ts'ebetso ea ho futhumatsa mocheso o sa khaotseng e le mocheso o fetohang oa' mala oa pigment ea thermochromic.
2. Linako tsa potoloho ea 'mala oa phetoho ea mocheso:
Nka palo e nyenyane ea pigment e lekiloeng e fetolang 'mala, e kopanye le 504 epoxy glue, hlakola sampole (botenya ba 0.05-0.08 mm) pampiring e tšoeu' me ue tlohele hore e eme mocheso oa kamore ka holimo ho 20 ° C letsatsi le le leng.Khaola mohlala oa pampiri oa 10x30 mm.Nka likhaba tse peli tsa 600 mlrs 'me u li tlatse ka metsi.Mocheso oa metsi ke 5-20℃ka holimo ho moeli o ka holimo (T1) oa mocheso oa phetoho ea 'mala oa sampole e lekiloeng mme e seng ka tlase ho 5℃ka tlase ho moeli o tlase (T0).(Bakeng sa enke ea letoto la RF-65, mocheso oa metsi o behiloe joalo ka T0=35℃, T1=70℃.), 'me u boloke mocheso oa metsi.Mohlala o qoelisoa ka har'a libeke tse peli ka ho latellana, 'me nako ea ho phethela potoloho ka' ngoe ke metsotsoana e 3 ho isa ho e 4.Sheba phetoho ea 'mala' me u tlalehe nomoro ea potoloho ea mebala e fetolehang (hangata, potoloho ea phetoho ea 'malamber ea letoto la thermal decolorization e kholo ho feta makhetlo a 4000-8000).
Maemo a tšebeliso ea mebala ea thermochromic:
Thermochromic pigment e fetolehang ka boeona ke tsamaiso e sa tsitsang (ho tsitsisa ho thata ho fetoha), kahoo ho hanyetsa khanya ea eona, ho hanyetsa mocheso, ho hanyetsa botsofali le thepa e meng e tlaase haholo ho li-pigments tse tloaelehileng, 'me tlhokomelo e lokela ho lefshoa ha e sebelisoa.
1. Ho hanyetsa khanya:
Li-pigments tsa Thermochromic li na le khanya e fokolang ea khanya 'me li tla fela ka potlako ebe li fetoha tse sa sebetseng tlas'a letsatsi le matla, kahoo li loketse tšebeliso ea ka tlung feela.Qoba khanya ea letsatsi e matla le khanya ea ultraviolet, e tla thusa ho lelefatsa bophelo ba 'mala o fetolang' mala.
2. Ho hanyetsa mocheso:
Thermochromic pigment e khona ho mamella mocheso o phahameng oa 230℃ka nako e khuts'oane (hoo e ka bang metsotso e 10), 'me e ka sebelisoa bakeng sa ho etsa ente le ho folisa mocheso o phahameng.Leha ho le joalo, ho tsitsa ha mocheso oa mebala e fetolang mebala ho fapane ka mebala-boemo bo ntseng bo tsoela pele le boemo ba achromatic, 'me botsitso ba pele bo phahame ho feta ba ho qetela.Ho feta moo, ha mocheso o phahame ho feta 80 ° C, lintho tse phelang tse etsang mokhoa oa ho fetola mebala le tsona li tla qala ho senyeha.Ka hona, mebala e fetolang mebala e lokela ho qoba ho sebetsa nako e telele mocheso o fetang 75°C.
Ho boloka mebala ea thermochromic:
Sehlahisoa sena se lokela ho bolokoa sebakeng se pholileng, se omeletseng le se lefifi ka ho feletseng.Kaha botsitso ba 'mala o fetolang' mala boemong bo ntseng bo hōla ka mebala bo phahame ho feta boemong ba achromatic, mefuta e sa tšoaneng e nang le mocheso o tlaase oa ho fetola mebala e lokela ho bolokoa ka sehatsetsing.Tlas'a maemo a ka holimo, ts'ebetso ea mefuta e mengata ea mebala e fetolang mebala ha e so ka e senyeha haholo ka mor'a lilemo tse 5 tsa polokelo.
Nako ea poso: Apr-08-2021