Silicones yog cov chav kawm ntau yam ntawm cov polymers uas tuaj nyob rau hauv ntau hom, muab lub peev xwm loj heev rau kev hloov kho kom tau raws li cov kev xav tau ntawm kev kho mob thiab aerospace sectors.Lawv cov yam ntxwv ua rau lawv ua tau ntau yam haujlwm, xws li kev sib khi, lubricating, thiab ua tiav ntau yam haujlwm.
Silicone's versatility yog ntaus nqi rau nws lub cev thiab txhua yam khoom, uas ua rau nws yog ib qho khoom muaj nqis nyob rau hauv ntau yam lag luam.Kab lus no yuav delve rau hauv tsib yam khoom thiabsilicone siv tauthiab tshawb nrhiavplaub pawg thawjntawm cov khoom siv silicone.Tsis tas li ntawd, peb yuav tham txog ntau txoj kev tsim khoom thiab piav qhia vim li cas silicone yuav yog qhov kev xaiv zoo tshaj plaws rau koj cov kev xav tau tshwj xeeb.
1.Silicones tsis hnov tsw tshuaj lom neeg thiab pom cov thermal conductivity tsis zoo.
Kev rhuav tshem cov saw hlau silicon-oxygen hauv silicone molecules yuav tsum muaj lub zog loj.Vim lub siab tsis kam ntawm silicone molecules hloov, feem ntau cov tshuaj tsis muaj zog txaus los ntxias cov tshuaj tiv thaiv.Raws li qhov tshwm sim, silicone feem ntau tsis yog tshuaj lom neeg.Cov ntawv cog lus ruaj khov hauv silicone yog lub luag haujlwm rau ntau yam ntawm nws cov yam ntxwv zoo.
Silicones feem ntau pom cov thermal conductivity tsawg vim lawv cov qauv molecular, uas cuam tshuam qhov kev nthuav tawm ntawm tshav kub kev co ntawm cov molecules.Txawm hais tias cov cuab yeej no yuav muaj txiaj ntsig zoo hauv qee yam kev siv, xws li qhov cub mitts, nws tuaj yeem ua rau muaj kev txwv rau lwm cov ntsiab lus uas yuav tsum tau hloov cov cua sov kom zoo.Txhawm rau daws qhov teeb meem no, thermally conductive fillers tuaj yeem muab tso rau hauv cov txheej txheem silicone los txhim kho cov cua sov thiab ua tau raws li qhov xav tau ntawm kev siv.
2.Silicon muaj toxicity tsawg
Silicone feem ntau suav tias yog cov khoom tsis muaj mob rau tib neeg kev noj qab haus huv.Ob qho khoom noj-qib thiab qib kev kho mob-qib silicone tebchaw tau pom zoo los ntawm FDA rau kev siv hauv kev sib cuag zaub mov thiab kev cog qoob loo mus ntev hauv tib neeg lub cev.Txawm li cas los xij, thov ua raws li cov chaw tsim khoom cov lus qhia thaum siv cov khoom siv silicone kom muaj kev nyab xeeb tshaj plaws.
3.Silicone muaj lub peev xwm zoo los tiv thaiv dej
Silicone muaj qhov tshwj xeeb zoo hu ua hydrophobicity, txhais tau tias nws muaj peev xwm los tawm tsam dej.Qhov no yog ntaus nqi rau cov pab pawg methyl uas txuas nrog cov xov tooj ntawm silicon-oxygen polymer, uas tsis yog-polar hauv xwm thiab tsis muaj kev sib raug zoo rau cov dej molecules.Raws li qhov tshwm sim, cov dej molecules tsis tuaj yeem sib kis thiab nkag mus rau hauv silicone nto, thiab hloov, lawv hlaws thiab yob tawm.Qhov zoo kawg nkaus dej-repelling cuab yeej, ua ke nrog silicone lub peev xwm los tsim ib daim ntawv cog lus muaj zog nrog ntau qhov chaw, ua rau cov khoom siv silicone sealing tshwj xeeb, nrog cov ntsaws ruaj ruaj uas tuaj yeem tiv taus ntau xyoo.
4.Silicone tuaj yeem ua raws li cov khoom siv hluav taws xob thiab cov khoom siv hluav taws xob.
Silicone roj hmab feem ntau ua raws li lub rwb thaiv tsev vim nws tsis muaj cov khoom siv hluav taws xob dawb rau nqa cov nqi.Qhov zoo no muaj txiaj ntsig zoo rau kev siv ntau yam, tshwj xeeb tshaj yog nyob rau hauv kev kho mob qhov chaw rwb thaiv tsev tseem ceeb heev.Txawm li cas los xij, silicone tuaj yeem hloov kho kom muaj hluav taws xob rau qee qhov kev siv xws li gaskets thiab cov ntaub thaiv zoo li qub.Qhov kev hloov kho no suav nrog kev sib xyaw ua ke xws li carbon, nyiaj, lossis lwm yam khoom siv rau hauv cov khoom siv silicone.
5.Silicon muaj superior tsis kam rau cov organic compound solvents
Silicone feem ntau muaj peev xwm tiv taus cov tshuaj lom neeg feem ntau vim nws cov khoom tsis muaj zog thiab lub zog me me.Txawm li cas los xij, xaiv ob peb yam khoom tsis zoo, tshwj xeeb yog cov concentrated sulfuric thiab hydrofluoric acids, tuaj yeem ua mob rau silicones.Hais txog cov organic tebchaw uas tuaj yeem ua haujlwm zoo li sol, silicones tsuas yog ua rau tsis zoo tom qab kev sib cuag nrog cov tshuaj xws li toluene, ntxhia dab, roj av, thiab carbon tetrachloride.
Silicone siv tau
Silicone's versatility ua rau nws muaj txiaj ntsig zoo rau ntau yam kev lag luam, suav nrog:
* Automotive: Silicone lub siab kub tsis kam thiab ua haujlwm ntev ua rau nws yog ib qho zoo tagnrho hauv kev tsim tsheb.
* Aerospace: Silicone zoo heev rwb thaiv tsev zog thiab tsis kam mus rau huab cua kub ua rau nws yog ib qho tseem ceeb cov khoom nyob rau hauv aircraft tsim.
* Txheej: Silicone-based coatings muab cov khoom siv ruaj khov thiab dej-resistant rau ntau qhov chaw.
* Kev tsim kho: Silicone sealants thiab adhesives yog siv rau hauv kev tsim kho vaj tse kom ntseeg tau tias cov pob qij txha airtight thiab watertight.
* Cookware: Silicone cov khoom tiv thaiv tshav kub ua rau nws yog cov khoom siv zoo heev rau cookware, xws li ci lev thiab spatulas.
* Lubricants: Silicone lubricants yog siv nyob rau hauv ntau yam kev siv, xws li tsheb cav, industrial machinery, thiab cov khoom siv hauv tsev.
* Cov khoom siv hluav taws xob: Silicone cov cuab yeej rwb thaiv tsev zoo ua rau nws yog ib qho tseem ceeb hauv cov khoom siv hluav taws xob, xws li computers, smartphones, thiab TVs.
* Pwm ua: Silicone qhov yooj yim thiab raug ua rau nws yog cov khoom siv zoo tshaj plaws rau kev tsim pwm rau ntau yam kev siv, suav nrog cov khoom siv kho mob thiab cov khoom siv tsheb.
* Tshuaj thiab phais kho kom zoo nkauj: Silicone's biocompatibility thiab versatility ua rau nws yog ib yam khoom tseem ceeb hauv kev kho mob cog, prosthetics, thiab phais kom hniav zoo nkauj.
* Cov khoom ua si thiab cov khoom ua si: Silicone qhov yooj yim thiab ruaj khov ua rau nws yog cov khoom siv nrov rau kev tsim cov khoom ua si, kev ua si, thiab lwm yam khoom ua si.
Thawj Hom Silicone
Plaub yam tseem ceeb ntawm lub cev lossis cov ntaub ntawv ntawm cov khoom siv silicone muaj nyob hauv qab no:
• Room-temperature Vulcanizing (RTV): Cov silicones no yuav kho, los yog teem, nyob rau hauv chav tsev kub.Lawv feem ntau yog siv rau kev sib khi thiab kev sib txuas.RTV-1 formulations pib kho tam sim ntawd thaum sib cuag nrog noo noo nyob rau hauv cov huab cua.RTV-2 silicones tuaj raws li ob qhov sib xyaw ua ke uas cov neeg siv kawg yuav tsum tau ua ke los pib kho.Qhov no ua rau RTV-2 hloov tau yooj yim rau cov ntawv thov xws li molding thiab txheej.
• Liquid Silicone Rubber (LSR): LSR muaj ob lub ntsiab lus, nrog rau ob lub ntsiab lus sib xyaw ua ke thaum lub sijhawm siv.Nws yog feem ntau kho ntawm qhov kub thiab txias, siv platinum catalyst.Ob qho tib si txheej txheem molding siv thiab cov yam ntxwv ntawm cov khoom kawg ntawm LSR yog hloov mus rau ntau yam kev siv.
• Fluorosilicone Rubber (FSR): FSR molecules muaj cov rov ua haujlwm ntawm silicon-oxygen qaum nrog rau lwm qhov chaw sib txuas uas nyob ntawm lwm pawg molecules (methyl thiab fluoroalkyl pawg).Qhov no muab cov khoom zoo dua rau cov roj thiab roj.FSR yog nrov rau sealing daim ntaub ntawv nyob rau hauv aviation chaw.
• High-Consistency Rubber (HCR): HCR, tseem hu ua "heat-kho roj hmab," muaj ntau molecular hnyav silicone polymer chains.Cov khoom siv raw tuaj yeem ua kom haum cov fillers thiab additives kom tau txais cov yam ntxwv xav tau.Nws feem ntau yog muab tso rau hauv ib feem kho, me ntsis "gummy" daim ntawv uas tau muab dov rau hauv ib daim ntawv tuab.Nws yog qhov zoo tagnrho rau siv hauv qee yam khoom siv kho mob, suav nrog tubing, balloons, thiab nplooj ntawv.
Silicone tuaj nyob rau hauv lub cev sib txawv, xws li cov kua rau cov khoom.Customer tuaj yeem hloov kho ntau hom silicone raws li cov khoom lag luam tus cwj pwm kom haum raws li qhov xav tau ntawm cov khoom kawg.
Cov ntsiab lus
Tsab xov xwm tau tshuaj xyuas 5 tus yam ntxwv ntawm silicone, tso lub teeb ntawm nws cov khoom siv tshuaj thiab lub cev, thiab tshawb xyuas ntau yam uas nws tuaj yeem siv rau hauv kev lag luam.
Xav paub ntau ntxiv txog silicone,thov hu rau peb.
Post lub sij hawm: May-07-2024