Conductive Adhesive yog ib hom tshwj xeeb ntawm cov nplaum nrog cov khoom siv hluav taws xob. Nws tuaj yeem ua tam sim no thaum sib txuas cov ntaub ntawv thiab siv dav hauv electronics, hluav taws xob engineering, thiab kev sib txuas lus.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm cov nplaum nplaum yog feem ntau yog los ntawm kev sib cuam tshuam ntawm nws cov khoom siv hauv nruab nrab thiab lub hauv paus cob.
Conductive adhesive feem ntau muaj xws li lub hauv paus cob, conductive muab tub lim, curing agent, thiab lwm yam additives. Lub hauv paus cob yog cov khoom tseem ceeb ntawm cov nplaum nplaum, muab cov nplaum nplaum thiab ua kom yooj yim. Lub hauv paus resins muaj xws li epoxy resin thiab acrylic resin. Lub conductive muab tub lim yog qhov tseem ceeb rau kev ua haujlwm ntawm cov nplaum. Common conductive fillers muaj xws li nyiaj hmoov, tooj liab hmoov, nickel hmoov, thiab carbon dub. Cov fillers no muaj cov conductivity siab thiab tuaj yeem tsim txoj hauv kev hauv cov nplaum.
Thaum cov nplaum nplaum yog siv rau qhov chaw yuav tsum tau sib txuas, lub hauv paus resin pib kho. Thaum lub sij hawm tus txheej txheem no, cov conductive muab tub lim hais tuaj rau hauv kev sib cuag nrog ib leeg, tsim ib tug nruam conductive network. Raws li kev kho mob zuj zus, cov nplaum nplaum maj mam nce, thiab cov conductivity stabilizes. Kev kho cov nplaum nplaum tsis yog tsuas yog muaj cov khoom sib txuas zoo xwb tab sis kuj ua tau zoo tam sim no, ua tau raws li cov kev xav tau ntawm kev sib txuas ntawm cov khoom siv hluav taws xob.
Lub conductivity ntawm conductive nplaum yog cuam tshuam los ntawm ntau yam, nrog rau hom, cov ntsiab lus, thiab particle loj tis ntawm conductive muab tub lim, raws li zoo raws li hom matrix resin thiab curing tej yam kev mob. Piv txwv li, thaum cov hmoov nyiaj siv los ua cov khoom siv hluav taws xob, cov khoom siv hluav taws xob feem ntau nthuav tawm cov khoom siv hluav taws xob zoo vim yog cov khoom siv nyiaj siab heev. Txawm li cas los xij, nyiaj hmoov kuj tseem kim, nce tus nqi ntawm cov nplaum nplaum. Thaum tooj liab hmoov muaj me ntsis qis conductivity dua cov hmoov nyiaj, nws yog pheej yig dua thiab yog li ntawd txaus siab rau qee yam kev lag luam sib koom hauv kev siv tswv yim.
Tsis tas li ntawd, kev kho mob ntawm cov nplaum nplaum kuj tseem cuam tshuam rau lawv cov conductivity. Curing kub, curing lub sij hawm, thiab curing ib puag ncig muaj feem xyuam rau cov℃ntawm curing thiab faib ntawm conductive muab tub lim, yog li cuam tshuam rau nws conductivity. Yog li ntawd, thaum siv cov nplaum nplaum, nws yog ib qho tsim nyog yuav tau xaiv cov kev kho kom haum raws li qhov kev thov tshwj xeeb thiab cov kev xav tau.
