Raws li cov neeg xa khoom muag, Kuv tau ua pov thawj tua cov kev siv ntau yam thiab kev ua tau zoo ntawm cov tshuaj no zoo kawg. Ib lo lus nug uas feem ntau tshwm sim los ntawm peb cov neeg tau hais txog kev ua tau zoo ntawm cov chaw ua si silane hauv qis-}}}} qhov chaw ib puag ncig. Nyob rau hauv no blog, Kuv yuav hais rau cov ncauj lus no, tshawb nrhiav seb cov khib nyiab li cas coj tau nyob rau hauv ntau yam kev lag luam.
Nkag siab cov neeg nyob ruaj khov
Silane Cov Neeg Sawv Cevyog orgososilicon cov tebchaw uas muaj ib lossis ntau silicon -} bevon bason bason. Lawv tau siv dav hauv ntau qhov kev lag luam, cov nplaum, sib xyaw, thiab cov khoom siv hluav taws xob, vim yog cov neeg sawv cev sib dhos, thiab cov khoom lag luam adhesion. Cov qauv dav dav muaj cov neeg ua haujlwm uas muaj kev sib luag Cov pab pawg ua kom zoo nkauj tuaj yeem cuam tshuam nrog cov chaw nyob zoo li cov hlau, iav, thiab cov pab pawg muaj zog, thaum cov organic pab pawg tuaj yeem cuam tshuam nrog cov organic polymers.
Kev ua tau zoo hauv tsawg -} qhov chaw ib puag ncig
Tej Tshuaj Lom Zem
Ib qho ntawm cov kev txhawj xeeb tseem ceeb hauv qhov qis - qhov chaw ib puag ncig yog tustshuajReveleity ntawm cov chaw ua si hauv qab. Ntawm qis dua kub, lub zog kev sib tw ntawm cov lwg me me txo qis, uas tuaj yeem txo cov tshuaj qeeb. Rau cov neeg ua haujlwm ntawm cov chaw ua haujlwm ruaj khov, cov pab pawg hydrolysis ntawm cov pab pawg alkoxy ({} Si) los tsim Silandol pawg (} Si) yog qhov tseem ceeb heev hauv lawv txoj haujlwm. Qhov kev siv roj hydrolysis no feem ntau yog catalyzed los ntawm dej thiab kua qaub los yog puag, thiab nws tuaj yeem cuam tshuam ntau ntawm qhov kub.
Hauv qhov qis - cov kev mob, tus nqi hydrolysis tus nqi ntawm cov chaw ua haujlwm ntawm cov chaw nyob yuav raug txo. Qhov no txhais tau tias nws yuav siv sijhawm ntev dua rau cov kab si silane los tsim cov pab pawg hauv Silanol, uas yog qhov tsim nyog rau kev sib raug zoo nrog cov chaw nyob hauv nruab nrab. Txawm li cas los xij, qhov no tseem muaj qee qhov zoo. Piv txwv li, hauv qee cov ntawv thov uas yuav tsum tau siv sijhawm ntev dua, qeeb qeeb siv ntau zog ntawm kev kub ntxhov ntawm cov kub muaj txiaj ntsig. Nws tso cai rau lub sijhawm ntxiv rau cov kab ua kom zoo thiab muab cov yaum kom muaj qhov ua ntej nws pib hnov mob.
Ntawm qhov tod tes, cov tshuaj tiv thaiv hws ntawm cov pab pawg uas nyob hauv cov pab pawg sib txuas los ua cov siloxane bonds ({}}? Ntawm tsawg kub, qhov tshuaj tiv thaiv no qeeb qeeb, uas tuaj yeem ua rau lub sijhawm kho tau ntev dua. Qhov no tuaj yeem yog qhov teeb meem hauv kev thov uas yuav tsum tau kho cov neeg ceev, xws li hauv qhov siab {{6} ntimCov txheej txheem raug.
Adhesion Performance
Adhesion yog ib qho ntawm cov yam ntxwv tseem ceeb tshaj plaws ntawm cov chaw ua si uas tsis muaj zog. Hauv qhov qis {-} kev ua haujlwm ntawm cov chaw nyob ntawm -}}}}}}}} muaj ntau yam. Firstly, raws li tau hais los saum no, qeeb qeeb hydrolysis thiab kev ua kom pom kev zoo tuaj yeem cuam tshuam rau kev tsim cov kev sib tw ntawm cov khoom noj muaj zog thiab lub substrate. Yog hais tias cov khoom seem tsis tau hnov mob tag nrho nrog saum npoo, cov nplaum muaj zog yuav raug txo kom tsawg.
Thib ob, lub cev ntawm lub substrate thiab cov lo lo lo tsam -}}} kho txheej tuaj yeem hloov pauv ntawm qis kub. Piv txwv li, cov kev nthuav dav thermal nthuav dav ntawm cov ntaub ntawv sib txawv yuav txawv, uas tuaj yeem ua rau sab hauv kev ntxhov siab ntawm qhov chaw nyob hauv nruab nrab ntawm salews-} kho txheej thiab substrate. Cov kev txhawj xeeb no tuaj yeem ua rau cov nplaum kom swb, tshwj xeeb yog qhov ntsuas kub hloov sai.
Txawm li cas los xij, hauv qee kis, cov chaw ua si hauv qab zib tseem tuaj yeem muab cov adhesion zoo hauv qhov qis {{}}} qhov chaw ib puag ncig. Piv txwv li, cov chaw ua si kom ruaj khov nrog cov pab pawg ua haujlwm tshwj xeeb tuaj yeem tsim tau yooj yim dua thiab tsawg {2} kub tsis kam. Cov chaw ua si uas muaj zog no tuaj yeem ua kom haum rau cov thermal nthuav dav thiab kev cog lus ntawm substrate, txo txoj kev pheej hmoo ntawm adhesion tsis ua hauj lwm.
Sib xyaw nrog lwm cov ntaub ntawv
Cov chaw ua si uas tsis tshua muaj zog nyob hauv kev sib xyaw nrog lwm cov ntaub ntawv, xws li polymers, resins, thiab ntxiv. Hauv qis {-} qhov chaw ib puag ncig, qhov sib xyaw ntawmSilane Cov Neeg Sawv Cevthiab lwm yam ntaub ntawv tuaj yeem cuam tshuam.
Qee cov polymers yuav dhau los ua ntau yam nkig thaum kub kub, uas tuaj yeem cuam tshuam qhov kev ua tau zoo ntawm cov silave {{} polymer system. Piv txwv li, yog hais tias ib tug movope -}}}}}} Kev hloov pauv ntawm polymer, qhov txo qis ntawm cov kub kub tuaj yeem ua rau tawg lossis ua kom tawg.
Ntxiv mus, lub solubility thiab kev tsis paub txog ntawm cov chaw nyob hauv cov kuab tshuaj lossis cov yeeb yam ntxiv kuj yuav hloov pauv ntawm qhov kub tsawg. Qee cov neeg ua haujlwm nyob hauv qab zib yuav dhau los ua cov suab nrov tsawg hauv qee cov kuab tshuaj, uas tuaj yeem ua rau theem sib cais lossis nag lossis daus. Qhov no tuaj yeem cuam tshuam rau kev sib txig sib luag ntawm cov txheej lossis cov nplaum thiab qhov kawg nws ua tau zoo.
Cov ntawv thov nyob rau hauv qis - sov kev lag luam
Ib tug tub rog
Lub Aerospace kev lag luam feem ntau ua haujlwm nyob rau hauv qis heev - qhov chaw ib puag ncig, xws li hauv siab- qhov chaw dav hlau lossis chaw tshaj tawm chaw. Cov chaw ua si uas nyob hauv cov chaw nyob hauv ib lub hom phiaj rau ntau lub hom phiaj, suav nrog kev kho cov hlau ntau, kom txhim kho cov tshuaj nplaum ntawm kev ua kom zoo nkauj, corrosion tsis kam, thiab kav ntev.
Hauv qis - kub iterospace ib puag ncig, kev kho kom qeeb qeeb ntawm cov chaw nyob hauv qab thiab ua cov txheej txheem tshwj xeeb. Piv txwv li, ua ntej pre - hydrolyzed silane daws tau tuaj yeem siv los txo lub sijhawm ua haujlwm. Ib qho ntxiv, cov chaw ua si kom khov nrog qis {{4} {{{5} {tsis muaj txiaj ntsig zoo thiab kev ua tau zoo ntawm qhov kub tsawg.
Automotive
Kev lag luam automotive kuj ntsib qis qis - kev cov nyom ntawm cov huab cua txias, tshwj xeeb hauv huab cua txias. Cov chaw ua haujlwm seem yog siv nyob rau hauv cov txheej txheem tsheb, cov nplaum, thiab cov sealants los txhim kho cov nplaum ntawm sib txawv thiab kev tiv thaiv tiv thaiv corrosion.
Hauv qhov qis - kub} Cov tshuaj seepane {}}}}} Cov khoom lag luam yuav tsum tau hloov kho hauv kev tsim khoom. Piv txwv li, kev kho kom huv tau yuav tsum tau kho kom haum kom muaj kev kub siab dua lossis lub sijhawm kho dua tshiab. Txawm li cas los xij, qeeb qeeb hydrolysis ntawm tsawg kub kuj tseem tuaj yeem ua kom tau txais txiaj ntsig ntawm cov khoom lag luam hauv tsheb, qhov chaw uas nws tso cai rau cov kev ua kom tsim nyog rau cov txheej txheem tsim nyog.
Khoom siv hluav taws xob
Hauv kev lag luam hluav taws xob, cov neeg sawv cev hauv qab yog siv rau kev kho sab nraud ntawm cov khoom lag luam hluav taws xob (PCBsWardor, thiab lwm yam hluav taws xob. Tsawg {{-}}} pa dej ib puag ncig yuav ntsib thaum thauj mus los thiab cia cov khoom hluav taws xob.
Cov khoom siv ua kom cov khoom seem tuaj yeem txhim kho cov nplaum ntawm cov hluav taws xob thiab lub substrate, nrog rau kev tiv thaiv kev ya raws thiab kev xeb. Txawm li cas los xij, kev kho lub qeeb thiab muaj peev xwm sib xyaw ntawm cov khoom siv kub tsawg yuav tsum tau txiav txim siab. Piv txwv li, hauv kev tsim cov PCBs, kev xaiv ntawm cov xoom silane tus neeg sawv cev thiab cov txheej txheem kho kom zoo rau kev ua tau zoo hauv qis- tej kev mob kub.
Xaiv txoj cai cov neeg ua kom zoo rau cov neeg sawv cev qis qis rau qis -} sov daim ntawv thov
Thaum xaiv cov neeg ua si uas tsis muaj qhov muag rau qhov qis -} sov daim ntawv thov, ntau yam yuav tsum tau txiav txim siab.
Yam ua haujlwm
Cov kev xaiv ntawm cov pab pawg ua haujlwm hauv cov neeg sawv cev ua si yog qhov tseem ceeb heev. Piv txwv li, silane cov neeg sawv cev nrog ntev- pawg alkyl pawg muaj peev xwm muaj cov roj fluorinated zoo dua qub} Cov pab pawg ua haujlwm no tuaj yeem ua kom tau qhov yooj yim ntawm cov zaj yeeb yaj kiab thiab txo txoj kev pheej hmoo ntawm kev tawg ntawm qhov kub tsawg.
Hydrolysis thiab kho cov yam ntxwv
Silane cov neeg sawv cev nrog cov khoom siv hydrolysis thiab cov yam ntxwv kho tau yuav tsum raug xaiv. Rau cov ntawv thov uas yuav tsum tau kho qhov chaw nrawm, cov neeg sawv cev ntawm cov neeg sawv cev ntawm cov kev pheej hmoo siab heev ntawm cov khoom siv kub tsawg. Ntawm qhov tod tes, rau cov ntawv thov uas xav tau siv sijhawm ntev dua, cov nqi sib luag nrog qeeb qeeb hydrolysis tus nqi yuav raug xaiv.
Sib xyaw nrog lwm cov ntaub ntawv
Nws yog ib qho tseem ceeb kom ntseeg tau tias tus sawv cev sib xws yog sib xws nrog lwm cov ntaub ntawv hauv cov kab ke, xws li polymers, cov kuab tshuaj, thiab ntxiv. Kev ntsuas kev sib haum yuav tsum tau ua nyob rau ntawm qhov kub tsawg los xyuas cov kev ua tau zoo ntawm cov silane - raws cov khoom.
Sab saum toj 5 tus neeg muag khoom hauv kev lag luam: "mic- lub zog"
Kev ua yeeb yam ntawm cov chaw ua si uas tsis muaj zog hauv qhov qis -} pa dej ntau, suav nrog ntau yam tshuaj lom neeg, suav nrog cov tshuaj lom neeg, suav nrog lwm yam khoom siv. Thaum tsis kub tsawg tuaj yeem txo qis cov tshuaj lom neeg thiab cuam tshuam cov nplaum thiab kho cov khoom ntawm cov chaw nyob ruaj khov, muaj ntau txoj hauv kev los kov yeej cov kev sib tw no.
Raws li cov neeg xa khoom muag, peb muab cov khoom seem uas muaj qhov sib luag ntawm cov qes qis - Cov ntawv thov kub. Peb cov neeg sawv cev uas ua rau cov khoom noj kom tawv nqaij rau txhuas los muab cov adhesion zoo nkauj thiab corrosion tsis zoo rau Aluminium Surfaces txawm nyob hauv qis- tej kev mob kub. Peb tus neeg sawv cev hlau zoo tshaj plaws yog cov khoom siv ntau yam uas tuaj yeem siv rau ntawm cov hlau kom zoo nkauj rau cov hlau yog qhov zoo rau cov ntawv thov hlau.
Yog tias koj tab tom nrhiav rau cov neeg ua kom qis qis rau qis -}} qhov kev siv dej txias, peb nyob ntawm no los pab. Peb pab neeg cov kws tshaj lij tuaj yeem muab kev txhawb nqa rau koj thiab kev coj ua kom xaiv cov khoom lag luam zoo rau koj cov kev xav tau tshwj xeeb. Tiv tauj peb rau hnub no pib kev sib tham muaj peev xwm thiab pom tias peb cov khoom lag luam uas ua tau zoo yuav ua tau kev ua haujlwm ntawm koj cov khoom lag luam tsawg.