Sealant yog ib yam khoom uas siv rau ntawm qhov chaw los tsim ib lub foob los yog thaiv kev tiv thaiv kua, gases, thiab solids. Nws tuaj yeem siv los tiv thaiv txhua yam ntawm koj cov hniav mus rau koj lub tsev.
Hauv phau ntawv qhia no, kuv yuav piav qhia seb sealant ua haujlwm li cas thiab thaum twg koj yuav tsum siv nws. Tsis tas li ntawd, kuv yuav qhia qee cov lus qhia rau kev siv nws kom raug.
Hauv kab ntawv no peb yuav npog:
Muaj ntau txoj haujlwm ntawm sealants
Sealants ua lub luag haujlwm tseem ceeb hauv kev ua haujlwm tiv thaiv kev ya raws, plua plav, thiab lwm yam tshuaj phem. Lawv yog siv los ntim cov kua lossis roj thiab muab cov txheej txheem los tiv thaiv qhov chaw ntawm kev puas tsuaj. Sealants siv tau rau hauv waterproofing cov qauv thiab muab thermal, acoustical, thiab tiv thaiv hluav taws.
Filling Gaps thiab Smoothing Surfaces
Sealants yog siv los sau qhov khoob thiab cov kab nrib pleb hauv cov qauv, muab lub cev adhesion thiab tswj qhov kev xav tau ntawm cov qauv. Lawv kuj yog siv rau smoothing nto, muab ib tug meej thiab haumxeeb tsos.
Formulation thiab Application
Sealants muaj nyob rau hauv ntau yam formulations, nrog rau cov organic thiab elastomers. Lawv yooj yim rau kev thov thiab muab kev yooj yim thiab kev ntseeg siab hauv lawv daim ntawv thov. Sealants yog tsim los kom haum rau kev txav mus los hauv cov qauv, kom ntseeg tau tias lawv tuav lawv cov khoom sib khi lub sijhawm.
Functional Properties
Sealants muaj ntau yam kev ua haujlwm, nrog rau kev sib khi, kev tiv thaiv dej, thiab kev tiv thaiv hluav taws. Lawv tau siv ntau yam kev siv, suav nrog kev tsim kho, tsheb, thiab kev lag luam aerospace.
Cov Hnub Nyoog Thaum Ntxov: Los ntawm Ancient Av nplaum mus rau Niaj hnub nimno Dental Sealants
Kev sib khi yog ib qho kev coj ua txij li thaum ub, nrog kev vam meej hauv ntiaj teb sab hnub poob siv ntau yam ntaub ntawv los kaw cov khoom thiab cov qauv. Nov yog qee qhov piv txwv:
- Hauv Indus Valley Civilization, tib neeg siv av nplaum los kaw lawv lub tsev thiab tiv thaiv dej los ntawm kev nkag mus.
- Hauv kev coj noj coj ua thaum ub, kev sib khi tau siv los ua kom cov khoom dawb ceev thiab cov ntawv muaj kev nyab xeeb los ntawm kev puas tsuaj lossis cuam tshuam.
- Carbohydrates zoo li siv quav ciab tau siv los kaw cov ntim khoom noj thiab haus dej kom lawv tshiab.
Sealing nyob rau hauv Dental Health
Sealing tau siv nyob rau hauv kev kho hniav rau ntau pua xyoo, nrog kev vam meej thaum ntxov siv ntau yam ntaub ntawv los sau cov pits thiab fissures hauv cov hniav. Nov yog qee qhov piv txwv:
- Nyob rau hauv lub xyoo pua kaum ob, ib tug sib tov ntawm zib mu thiab hmoov pob zeb tau siv los sau pits thiab fissures nyob rau hauv cov hniav.
- Hauv Nruab Nrab Hnub nyoog, beeswax tau siv los kaw cov hniav thiab tiv thaiv kev lwj.
- Thaum xyoo 1900s, cov kws kho hniav siv cov nyiaj sib tov sib xyaw ua ke los sau cov pits thiab fissures.
Txoj kev loj hlob ntawm Niaj hnub nimno Dental Sealants
Cov khoom siv kho hniav niaj hnub tau tsim thawj zaug hauv xyoo 1960 los ua ib txoj hauv kev los tiv thaiv cov hniav lwj. Nov yog qee qhov kev txhim kho tseem ceeb:
- Nyob rau xyoo 1960, cov khoom siv kho hniav tau tsim los ntawm acrylic thiab nyuaj rau qhov chaw.
- Nyob rau xyoo 1970, cov khoom siv kho hniav tau tsim los ntawm cov khoom siv cob uas yooj yim rau qhov chaw thiab ua haujlwm zoo dua los tiv thaiv kev lwj.
- Niaj hnub no, cov khoom siv kho hniav yog tsim los ntawm cov khoom siv yas uas siv rau cov hniav thiab tawv nrog lub teeb tshwj xeeb.
Hom Sealants: Phau Ntawv Qhia
Sealants yog cov khoom siv uas feem ntau siv hauv kev tsim kho thiab kev pabcuam hauv tsev los tiv thaiv kev ntws ntawm qee yam khoom lossis kev hloov hauv lub xeev. Lawv tau tsim los kaw qhov khoob khoob thiab tiv thaiv kev nkag ntawm huab cua, dej, lossis lwm yam khoom. Sealants tuaj nyob rau hauv ntau hom, txhua tus npaj rau ib qho kev ua haujlwm lossis ua haujlwm.
Hom Hom Sealants
Sealants tuaj yeem muab faib ua peb pawg raws li cov khoom uas lawv tau ua los ntawm:
- Acrylic-raws li sealants:
Cov no yog cov feem ntau hom sealants thiab zoo li tus nqi qis. Lawv yooj yim rau kev thov, ntxuav, thiab tswj. Lawv feem ntau yog siv rau filleting, txij nkawm, thiab sealing me me. Acrylic sealants tsis tiv taus qhov kub thiab txias thiab zoo tshaj plaws siv rau kev ua haujlwm sab hauv. - Polysulfide-raws li sealants:
Cov no yog cov tiv taus kub heev thiab feem ntau siv rau kev ua haujlwm sab nrauv. Lawv yog cov tawv thiab tsim ib lub foob uas ruaj heev. Txawm li cas los xij, lawv kim heev thiab xav tau sijhawm ntev los teeb tsa. - Silicone-raws li sealants:
Cov no yog cov neeg nyiam heev thiab paub txog lawv lub sijhawm teem sijhawm ceev. Lawv muaj peev xwm tiv taus qhov kub thiab txias thiab muaj txiaj ntsig zoo rau kev sib khi ntawm cov hlau, pob zeb, thiab lwm yam khoom siv. Lawv zoo li yuav kim thiab xav tau kev saib xyuas ntau.
Xaiv Txoj Cai Sealant
Xaiv lub sealant zoo rau ib txoj haujlwm tshwj xeeb yog qhov tseem ceeb. Qee yam uas yuav tsum nco ntsoov thaum xaiv lub sealant muaj xws li:
- Cov khoom raug kaw
- Cov haujlwm tshwj xeeb xav tau
- Ib puag ncig uas yuav siv lub sealant
- Qhov yuav tsum tau kho
- Tus nqi ntawm cov khoom
Yuav Thov Li Cas Sealant: Nrhiav Qhov Zoo Tshaj Plaws rau Koj Cov Kev Xav Tau
- Sealants feem ntau yog siv hauv kev tsim kho los tiv thaiv dej thiab cua nkag.
- Lawv tuaj yeem siv rau ntau qhov chaw, nrog rau cov hlau, pob zeb, thiab cov ntaub ntawv.
- Sealants kuj tseem siv los sau qhov khoob thiab qhov tsis sib xws ntawm cov ntaub ntawv los tiv thaiv kab tsuag nkag.
Kev siv chav da dej thiab da dej
- Sealants yog qhov zoo tagnrho rau kev siv chav dej thiab da dej, qhov twg dej tuaj yeem nkag tau yooj yim los ntawm qhov khoob thiab ua rau muaj kev puas tsuaj.
- Lawv tuaj yeem siv los kaw cov qhov rais, qhov rooj, thiab cov nplais pobzeb kom tsis txhob muaj dej nkag.
- Latex thiab silicone sealants feem ntau yog siv rau hauv cov ntawv thov no vim lawv muaj peev xwm tsim cov ntawv cog lus muaj zog nrog cov chaw.
Daim ntawv thov roj thiab hnyav
- Sealants tuaj yeem siv los kaw cov roj tso tsheb hlau luam thiab lwm yam kev siv hnyav.
- Hom sealant siv hauv cov ntawv thov no yog qhov tseem ceeb los xyuas kom muaj kev sib raug zoo thiab kev tiv thaiv.
- Cov kev txawj tshaj lij yuav xav tau rau cov ntawv thov no kom ntseeg tau tias cov sealant siv tau raug thiab muaj peev xwm tiv taus kev siv hnyav.
Qhov Tseem Ceeb Yuav Nco
- Thaum xav txog qhov twg siv sealant, nws tseem ceeb heev uas yuav tsum nco ntsoov tias hom sealant siv yuav tsum tsim nyog rau daim ntawv thov.
- Thaum cov sealants yooj yim ua haujlwm nrog, daim ntawv thov tsim nyog yog qhov tseem ceeb los xyuas kom muaj kev ruaj ntseg thiab kev tiv thaiv zoo.
- Txawm hais tias koj paub cov sealants los yog tag nrho cov tshiab rau lawv, siv sij hawm los nrhiav cov sealant zoo tshaj plaws rau koj cov kev xav tau yog tsim nyog rau kev siv zog ntev.
Sealants vs Adhesives: Dab tsi yog qhov txawv?
Sealants thiab adhesives yog ob qho khoom siv hauv tsev thiab kev tsim kho uas sib txawv ntawm lawv cov muaj pes tsawg leeg thiab lub zog. Adhesives yog tsim los tuav cov chaw ua ke, thaum sealants yog siv los sau qhov khoob thiab tiv thaiv cov txheeb ze ntawm qhov chaw uas lawv tau thov. Adhesives feem ntau muaj zog dua sealants, tab sis sealants muab lub rooj sib txoos nrog ntau qhov yooj yim dua. Adhesives yog tsim los ntawm cov tshuaj uas kho thiab tsim cov khoom sib txuas ntawm ob lub substrates, thaum sealants tsis muaj lub siab adhesion lub zog ntawm cov nplaum.
Kho lub sijhawm thiab tuav lub zog
Sealants thiab adhesives txawv ntawm lawv lub sijhawm kho thiab tuav lub zog. Adhesives feem ntau kho sai dua thiab muaj lub zog tuav ntau dua li cov sealants. Sealants, ntawm qhov tod tes, muab kev yooj yim dua thiab tuaj yeem tiv taus qhov sib txawv ntawm qhov chaw. Thaum xaiv cov sealants thiab adhesives, nws yog ib qho tseem ceeb uas yuav tau xav txog cov kev thov tshwj xeeb thiab qhov kev ua tau zoo.
Chaw tsim tshuaj paus cov lus pom zoo
Nws yog ib qho tseem ceeb kom ua raws li cov neeg tsim khoom cov lus pom zoo thaum xaiv cov sealants thiab cov nplaum. Cov khoom sib txawv xav tau ntau hom sealants thiab nplaum, thiab siv cov khoom tsis raug tuaj yeem ua rau tsis muaj adhesion lossis kev ua haujlwm. Qee cov ntaub ntawv yuav xav tau cov nplaum nplaum uas muaj zog, thaum lwm tus yuav xav tau lub sealant hloov tau. Kev xaiv cov sealants thiab cov nplaum yog qhov tseem ceeb rau kev ua tiav ntawm txhua lub tsev lossis kev tsim kho.
xaus
Yog li, qhov ntawd yog dab tsi sealant thiab nws siv li cas. Nws yog cov khoom lag luam zoo rau kev sib khi cov kab nrib pleb thiab tiv thaiv qhov chaw los ntawm kev puas tsuaj, thiab nws tau siv rau ntau pua xyoo los ntawm ob qho tib si thaum ub thiab niaj hnub kev vam meej. Koj tsuas yog yuav tsum nco ntsoov siv lub sealant zoo rau txoj haujlwm zoo, thiab koj mus zoo. Yog li, tsis txhob ntshai muab nws sim!
Kuv yog Joost Nusselder, tus tsim ntawm Tools Doctor, cov ntsiab lus lag luam, thiab txiv. Kuv nyiam sim cov cuab yeej tshiab, thiab ua ke nrog kuv pab neeg kuv tau tsim cov ntawv blog tob txij li xyoo 2016 los pab cov neeg nyeem siab ncaj nrog cov cuab yeej & cov lus qhia ua khoom siv.
