Silicones yog cov polymers uas suav nrog txhua yam inert, hluavtaws compound ua los ntawm rov qab units ntawm siloxane, uas yog ib tug ua hauj lwm pab pawg neeg ntawm ob silicon atoms thiab ib tug oxygen atom nquag ua ke nrog carbon thiab / los yog hydrogen. Lawv feem ntau yog kub-resistant thiab roj hmab zoo li, thiab yog siv nyob rau hauv sealants, nplaum, lubricants, tshuaj, khoom noj khoom haus, thiab thermal thiab hluav taws xob rwb thaiv tsev.
Hauv tsab xov xwm no, peb yuav hais txog cov khoom ntawm silicone thiab nws cov txheej txheem tsim khoom.
Hauv kab ntawv no peb yuav npog:
- Txhua yam koj yuav tsum paub txog Silicone
- Lub Evolution ntawm Silicone: Los ntawm Crystalline Silicon mus rau Kev Tsim Kho Niaj Hnub No
- Yug ntawm Silicones: Hyde Kev Tshawb Fawb thiab Kipping Lub Npe
- Chemistry ntawm Silicones: Structure thiab Polymer Chains
- Niaj hnub nimno ntau lawm ntawm Silicones: Corning, Dow, thiab Hydrolysis
- Cov khoom ntawm Silicones: Muaj zog, Dej-Resistant, thiab hluav taws xob rwb thaiv tsev
- Qhov sib txawv ntawm Silicones thiab lwm yam Polymers
- Lub neej yav tom ntej ntawm Silicones: Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Cov Khoom Tshiab
- Los ntawm Xuab zeb mus rau Silicone: Cov txheej txheem ua kom zoo nkauj ntawm Silicone
- Chemistry ntawm Silicone: Tshawb xyuas cov khoom thiab tsim cov khoom siv ntau yam
- Kev siv ntau yam ntawm Silicone
- Vim li cas Silicone yog qhov kev xaiv nyab xeeb thiab ib puag ncig-phooj ywg
- Silicone vs Yas: Qhov twg yog qhov zoo dua lwm txoj kev?
- xaus
Txhua yam koj yuav tsum paub txog Silicone
Silicone yog cov khoom siv polymer ua los ntawm cov molecules hu ua siloxanes. Nws yog ib qho khoom siv tshwj xeeb uas yog tsim los ntawm silicon, lub ntuj tsim muaj nyob hauv cov xuab zeb thiab pob zeb, thiab oxygen. Thaum ob lub ntsiab lus sib xyaw ua ke, lawv tsim cov khoom sib txuas uas muaj cov hlua ntev ntawm kev rov ua dua monomers, uas tau sib koom ua ke los tsim cov khoom kawg.
Yuav Ua Li Cas Silicone?
Silicone feem ntau yog tsim los ntawm kev sib xyaw cov silicon ntshiab nrog lwm cov tebchaw los tsim cov khoom siv silicone. Lub compound yog ces dhau los ntawm ib tug series ntawm scientific txheej txheem los tsim ib tug kawg cov khoom uas yog tsim los ntawm ntev chains ntawm repeating monomers. Cov chains no tau sib koom ua ke los tsim cov polymer uas feem ntau hu ua silicone.
Dab tsi yog Qhov Kev Siv Tseem Ceeb ntawm Silicone?
Silicone yog cov khoom siv nrov uas siv ntau yam khoom sib txawv. Qee qhov kev siv ntau tshaj plaws ntawm silicone muaj xws li:
- Tsim cov sealants thiab cov nplaum uas tuaj yeem siv los ua cov khoom sib txawv ua ke.
- Ua cov roj nplua nyeem uas tuaj yeem siv los txo kev sib txhuam ntawm cov khoom txav.
- Tsim cov thermal thiab hluav taws xob rwb thaiv tsev uas tuaj yeem siv los tiv thaiv cov cuab yeej rhiab los ntawm tshav kub thiab hluav taws xob.
- Ua cov tais diav thiab lwm yam khoom siv hauv chav ua noj uas tsis muaj tshuaj lom thiab tiv taus cua sov.
- Tsim cov cuab yeej siv kho mob thiab cov khoom cog uas muaj kev nyab xeeb thiab zoo rau cov neeg mob.
Qhov txawv ntawm Silicone thiab Silicones yog dab tsi?
Silicone yog ib yam khoom siv, thaum silicones yog ib pawg ntawm cov ntaub ntawv uas muaj cov silicone. Silicones feem ntau nyuaj thiab ruaj khov dua li silicone, thiab lawv feem ntau siv rau hauv cov khoom uas xav tau qib siab ntawm kev ua tau zoo thiab kev ua haujlwm.
Lub Evolution ntawm Silicone: Los ntawm Crystalline Silicon mus rau Kev Tsim Kho Niaj Hnub No
Xyoo 1854, Henry Sainte-Claire Deville tau txais crystalline silicon, uas yog qhov kev tshawb pom tseem ceeb hauv ntiaj teb ntawm cov ntaub ntawv thiab cov tebchaw. Silicon yog cov khoom siv tshuaj nrog lub cim Si thiab atomic tooj 14. Nws yog ib qho nyuaj, nkig crystalline khoom nrog xiav-grey metallic lustre, thiab nws yog tetravalent metalloid thiab semiconductor. Silicon yog qhov thib yim tshaj plaws hauv lub ntiaj teb los ntawm huab hwm coj, tab sis nws tsis tshua pom muaj nyob hauv nws daim ntawv ntshiab hauv qhov xwm txheej.
Yug ntawm Silicones: Hyde Kev Tshawb Fawb thiab Kipping Lub Npe
Xyoo 1930, JF Hyde tau khiav thawj qhov kev tshawb fawb los tsim cov khoom lag luam silicones. Tom qab ntawd, xyoo 1940, tus kws tshawb fawb Askiv, Frederich Stanley Kipping, siv Hyde txoj kev tshawb fawb, tau muab cov khoom siv lub npe hu ua "silicones" vim tias lawv yog "cov nplaum nplaum". Kipping yog ib tug pioneer nyob rau hauv lub teb ntawm organic chemistry thiab paub zoo tshaj plaws rau nws txoj hauj lwm ntawm chemistry ntawm silicones. Silicones yog ib pawg ntawm cov khoom siv hluavtaws ua los ntawm cov khoom siv rov ua dua ntawm siloxane, uas yog cov saw hlau ntawm kev sib hloov ntawm silicon thiab oxygen atoms nrog cov organic pawg txuas nrog silicon atoms.
Chemistry ntawm Silicones: Structure thiab Polymer Chains
Silicones yog qhov tseem ceeb polymers nrog ib chav tsev rov ua dua ntawm siloxane. Lub siloxane chav tsev muaj ib lub atom silicon txuas rau ob lub pa oxygen atoms, uas nyob rau hauv lem txuas mus rau cov organic pawg. Cov pawg organic tuaj yeem yog methyl, ethyl, phenyl, lossis lwm pawg. Cov siloxane units tuaj yeem koom ua ke los tsim cov kab sib txuas los yog cov saw txuas. Cov chains kuj tseem tuaj yeem sib txuas los ua ib qho kev sib txuas ntawm peb sab. Cov khoom siv tau yog silicone polymer nrog ntau yam khoom.
Niaj hnub nimno ntau lawm ntawm Silicones: Corning, Dow, thiab Hydrolysis
Kev tsim khoom niaj hnub ntawm silicones suav nrog ntau txoj hauv kev, tab sis feem ntau txoj kev yog ua raws li hydrolysis ntawm silicon tebchaw. Silicon tebchaw xws li silicon tetrachloride (SiCl4) los yog dimethyldichlorosilane (CH3) 2SiCl2 yog reacted nrog dej los tsim siloxanes. Tom qab ntawd cov siloxane yog polymerized los ua silicone polymers. Cov txheej txheem tuaj yeem ua tiav siv ntau yam catalysts, suav nrog cov kua qaub xws li HCl lossis cov hauv paus xws li NaOH.
Cov khoom ntawm Silicones: Muaj zog, Dej-Resistant, thiab hluav taws xob rwb thaiv tsev
Silicones muaj ntau yam khoom, nyob ntawm seb cov organic pawg txuas nrog silicon atoms thiab qhov ntev ntawm cov saw hlau polymer. Qee cov khoom ntawm silicones muaj xws li:
- Muaj zog thiab ruaj khov
- Dej-resistant
- Hluav taws xob insulating
- Resistant rau qhov kub thiab txias
- Chemically inert
- Biocompatible
Silicones yog siv nyob rau hauv ntau yam kev siv, xws li:
- Sealants thiab adhesives
- Lubricants thiab coatings
- Cov khoom siv kho mob thiab cov khoom cog
- Hluav taws xob rwb thaiv tsev thiab Circuit Court boards
- Automotive thiab aerospace Cheebtsam
- Cov khoom tu tus kheej thiab tshuaj pleev ib ce
Qhov sib txawv ntawm Silicones thiab lwm yam Polymers
Silicones txawv ntawm lwm cov polymers nyob rau hauv ntau txoj kev:
- Lub tsev rov ua dua hauv silicones yog siloxane, thaum lwm cov polymers muaj qhov sib txawv rov ua dua.
- Silicon-oxygen daim ntawv cog lus nyob rau hauv siloxane muaj zog tshaj cov pa roj carbon-carbon daim ntawv cog lus nyob rau hauv lwm yam polymers, uas muab silicones lawv cov khoom tshwj xeeb.
- Silicones tiv taus qhov kub thiab qis dua li lwm cov polymers.
- Silicones muaj dej-resistant ntau dua li lwm cov polymers.
Lub neej yav tom ntej ntawm Silicones: Kev Tshawb Fawb Txog Kev Tshawb Fawb thiab Cov Khoom Tshiab
Kev siv cov silicones txuas ntxiv mus, thiab cov khoom tshiab tau tsim txhua lub sijhawm. Qee qhov chaw ntawm kev tshawb fawb qib siab hauv silicones suav nrog:
- Txoj kev loj hlob ntawm cov catalysts tshiab rau polymerization ntawm siloxanes
- Kev siv silyl acetates thiab lwm yam sib txuas los hloov cov khoom ntawm silicones
- Kev siv cov kua qaub thiab lub hauv paus catalyzed tshwm sim los tsim hom tshiab ntawm silicone polymers
- Kev siv cov silicone polymers hauv kev tsim cov iav thiab lwm yam ntaub ntawv
Lo lus "silicones" tseem yog ib lo lus siv los piav txog ntau yam khoom siv silicone, thiab cov khoom ntawm cov ntaub ntawv no tseem raug tshawb nrhiav thiab nkag siab.
Los ntawm Xuab zeb mus rau Silicone: Cov txheej txheem ua kom zoo nkauj ntawm Silicone
Silicone yog ib qho polymer uas tau siv dav hauv ntau hom thiab cov khoom lag luam. Cov txheej txheem ntawm kev ua tiav cov ntaub ntawv xav tau ntawm silicone muaj ntau cov kauj ruam uas yuav tsum tau muaj cov ntaub ntawv zoo thiab lub tsev thaiv. Ntawm no yog cov khoom thiab cov kauj ruam koom nrog hauv cov txheej txheem tsim khoom:
- Silicon: Thawj lub tsev thaiv ntawm silicone yog silicon, uas yog ib qho ntawm lub ntiaj teb feem ntau cov ntsiab lus. Nws raug cais los ntawm kev sib tsoo quartz xuab zeb thiab siv cov cua sov rau nws, ncav cuag qhov kub txog li 2000 degrees Celsius.
- Methyl Chloride: Silicon yog tov nrog methyl chloride, uas feem ntau hu ua chloromethane. Cov tshuaj tiv thaiv no tsim chlorosilane, uas yog ib qho tseem ceeb hauv kev tsim cov silicone.
- Cua sov: Cov chlorosilane yog tom qab ntawd ua kom sov los ua dimethyldichlorosilane, uas yog ib qho ua ntej rau silicone. Cov txheej txheem no suav nrog kev siv cua sov rau qhov sib tov, uas ua rau cov tshuaj tiv thaiv thiab tshem tawm hydrochloric acid.
- Polymer Processing: Lub dimethyldichlorosilane yog tom qab ntawd tov nrog dej los tsim ib lub polymer. Cov polymer no tuaj yeem ua tiav ntxiv kom ua tiav cov ntaub ntawv sib txawv ntawm silicone, xws li elastomers, uas feem ntau siv hauv kev tsim cov khoom siv roj hmab.
Qhov tseem ceeb ntawm kev tswj kom zoo hauv kev tsim cov Silicone
Kev tsim cov khoom siv silicone yuav tsum muaj kev tswj hwm qib siab kom ntseeg tau tias cov khoom kawg ua tau raws li cov qauv xav tau. Cov neeg tsim khoom yuav tsum xyuas kom meej tias cov khoom siv raug siv hauv cov txheej txheem tsim khoom thiab cov txheej txheem tau ua tiav raws li qhov raug cai. Nov yog qee yam ntawm cov neeg tsim khoom yuav tsum xav txog:
- Kub: Cov txheej txheem ntau lawm yuav tsum muaj qhov kub thiab txias, uas tuaj yeem cuam tshuam qhov zoo ntawm cov khoom kawg. Cov neeg tsim khoom yuav tsum xyuas kom meej tias qhov ntsuas kub tau ua tib zoo tswj kom tsis txhob muaj kev puas tsuaj rau silicone.
- Kev cais lub ntim: Cov txheej txheem tsim khoom suav nrog kev cais lub ntim ntawm cov tshuaj tiv thaiv kom ntseeg tau tias cov khoom siv silicone raug tsim. Qhov no yuav tsum tau ua tib zoo saib xyuas thiab tswj cov tshuaj tiv thaiv.
- Crosslinking: Qee hom silicone xav tau crosslinking kom ua tiav cov khoom xav tau. Qhov no suav nrog kev sib txuas ntawm cov saw hlau polymer ua ke los tsim cov khoom muaj zog.
Cov Ntawv Sib Tham ntawm Silicone hauv Kev Ua Lag Luam
Silicone feem ntau pom nyob rau hauv ntau yam khoom, los ntawm cov khoom siv hauv chav ua noj mus rau cov khoom siv kho mob. Nov yog qee cov qauv ntawm silicone feem ntau hauv kev ua lag luam:
- Tsawg-Density Silicone: Hom silicone no feem ntau siv hauv kev tsim cov sealants thiab cov nplaum.
- Elastomers: Cov no feem ntau siv rau hauv kev tsim cov khoom siv roj hmab, xws li gaskets thiab O-rings.
- High-Temperature Silicone: Hom silicone no yog siv rau hauv cov ntawv thov uas yuav tsum tau muaj qhov kub thiab txias, xws li hauv kev lag luam aerospace.
Chemistry ntawm Silicone: Tshawb xyuas cov khoom thiab tsim cov khoom siv ntau yam
Silicone yog cov khoom siv hluavtaws uas tsim los ntawm silicon, oxygen, carbon, thiab hydrogen atoms. Nws yog ib hom polymer, uas txhais tau hais tias nws yog tsim los ntawm ntev chains ntawm molecules uas yog tsim los ntawm ib tug txheej txheem hu ua polymerization. Silicone feem ntau yog tsim los ntawm ib txoj kev hu ua hydrolysis, uas cuam tshuam nrog silicon tebchaw nrog dej los tsim siloxane.
Chemistry ntawm Siloxanes thiab Silicone Polymers
Siloxanes yog lub tsev blocks ntawm silicone polymers. Lawv yog tsim los ntawm cov tshuaj tiv thaiv ntawm silicon tebchaw nrog dej, uas tsim ib tug saw ntawm alternating silicon thiab oxygen atoms. Cov txiaj ntsig siloxane tuaj yeem hloov kho ntxiv los ntawm kev ntxiv cov organic pawg, xws li methyl lossis phenyl pawg, los tsim ntau yam ntawm silicone polymers.
Ib qho ntawm feem ntau cov silicone polymers yog polydimethylsiloxane (PDMS), uas yog tsim los ntawm kev ntxiv methyl pawg rau siloxane saw. PDMS yog ib qho nyuaj, nkig crystalline khoom nrog xiav-grey metallic luster, thiab yog ib tug tswv cuab ntawm pawg 14 nyob rau hauv lub sij hawm. Nws yog ib hom silicone uas feem ntau siv rau hauv kev tsim hluav taws xob hauv hluav taws xob thiab lwm yam khoom uas yuav tsum tau muaj cov khoom muaj zog, dej-resistant.
Cov khoom ntawm Silicone thiab nws cov kev siv
Silicone muaj ntau yam khoom tshwj xeeb uas ua rau nws yog cov khoom siv nrov rau ntau yam kev siv. Qee qhov tseem ceeb ntawm silicone muaj xws li:
- Siab thermal stability
- Dej kuj
- Tsawg toxicity
- Hluav taws xob rwb thaiv tsev zoo
- High gas permeability
Cov khoom no ua rau cov khoom siv silicone nrov rau ntau yam khoom, suav nrog:
- Cov cuab yeej siv kho mob
- Automotive qhov chaw
- Hluav taws xob Cheebtsam
- Sealants thiab adhesives
- Cov khoom siv tu tus kheej
Lub neej yav tom ntej ntawm Silicone Kev Tsim Kho thiab Kev Txhim Kho
Silicone ntau lawm thiab kev loj hlob tseem yog ib qho chaw ua haujlwm ntawm kev tshawb fawb rau chemists thiab cov kws tshawb fawb cov ntaub ntawv. Cov txheej txheem tshiab rau kev tsim cov silicone polymers tau npaj thiab sim, suav nrog kev siv ketone thiab silyl acetates hauv cov txheej txheem polymerization. Raws li cov silicone polymers tshiab tau tsim, lawv yuav pom cov ntawv thov tshiab hauv ntau yam kev lag luam thiab cov khoom lag luam.
Kev siv ntau yam ntawm Silicone
Silicone yog cov khoom tseem ceeb hauv ntau yam khoom thiab cov khoom siv hauv kev tsim kho thiab kev lag luam. Nws muaj peev xwm tiv taus qhov kub thiab txias, tiv thaiv cov tshuaj thiab roj, thiab nyob ruaj khov nyob rau hauv huab cua txias ua rau nws yog ib qho khoom siv zoo heev rau ntau yam kev siv, suav nrog:
- Coatings thiab adhesives
- Insulators thiab fillers (ntawm no yog yuav ua li cas siv cov uas yog)
- Automotive engine lubricants thiab iav
- Cov roj tshwj xeeb thiab cov khoom tiav
- Glazing thiab cov khoom tiav
Electronics thiab Aerospace Industries
Silicones kuj tau siv dav hauv electronics thiab aerospace industries vim lawv cov khoom tshwj xeeb, suav nrog:
- Kev rwb thaiv tsev zoo thiab ua haujlwm rau qhov kub thiab txias thiab tshuaj lom neeg
- Muaj peev xwm sau qhov khoob thiab muab cushioning rau cov khoom muag muag
- Kev ua haujlwm ruaj khov thiab ua haujlwm ntev ntev hauv qhov chaw huab cua
Kev siv tshuaj kho mob thiab tshuaj pleev ib ce
Silicone gel yog ib qho tseem ceeb ntawm cov khoom siv kho mob thiab tshuaj pleev ib ce vim nws cov biocompatibility siab thiab muaj peev xwm ua raws li cov khoom ntawm tib neeg cov ntaub so ntswg. Qee qhov kev siv tshwj xeeb suav nrog:
- Kev cog qoob loo ntawm lub mis, cog noob qes, thiab pectoral implants
- Bandages thiab dressings
- Hu rau lo ntsiab muag
- Kev kho pob khaus thiab cov khoom tu qhov txhab
Cov ntawv thov tshwj xeeb
Silicone kuj tseem siv rau ntau yam kev siv tshwj xeeb, suav nrog:
- Roj hmab thiab resin ntau lawm
- Microfluidics thiab lwm yam khoom siv siab
- Cov khoom lag luam roj thiab roj
- Cov nplaum nplaum zoo thiab siv tau ntev
Lub neej yav tom ntej ntawm kev siv Silicone
Raws li thev naus laus zis thiab kev ua cov txheej txheem txuas ntxiv mus, ntau yam ntawm cov ntawv thov silicone tsuas yog txuas ntxiv mus. Los ntawm kev tsim cov ntaub ntawv tshiab thiab cov khoom sib txuas rau kev tsim cov khoom tshwj xeeb thiab cov qauv, silicone yuav tseem yog cov khoom tseem ceeb hauv ntau yam khoom thiab kev lag luam.
Vim li cas Silicone yog qhov kev xaiv nyab xeeb thiab ib puag ncig-phooj ywg
Silicone yog ib qho kev xaiv nrov rau ntau yam khoom vim nws txoj kev nyab xeeb. Nov yog qee qhov laj thawj vim li cas:
- Tsis muaj Phthalates: Phthalates yog cov tshuaj uas feem ntau pom hauv cov yas thiab tuaj yeem ua rau tib neeg noj qab haus huv. Silicone tsis muaj phthalates, ua rau nws muaj kev nyab xeeb dua rau cov yas.
- Tsis muaj BPA: Bisphenol A (BPA) yog lwm cov tshuaj muaj nyob hauv cov yas uas tuaj yeem ua rau muaj teebmeem kev noj qab haus huv. Silicone yog dawb los ntawm BPA, ua rau nws muaj kev noj qab haus huv kev xaiv rau zaub mov cia thiab ua noj.
- Kev Noj Qab Haus Huv Canada Pom Zoo: Kev Noj Qab Haus Huv Canada tau pom tias cov zaub mov qib silicone muaj kev nyab xeeb rau kev ua noj thiab khaws cov zaub mov. Nws tsis cuam tshuam nrog zaub mov lossis dej haus, ua rau nws muaj kev nyab xeeb rau kev siv chav ua noj.
Kev Saib Xyuas Ib Puag Ncig
Silicone tsis yog tsuas yog muaj kev nyab xeeb rau tib neeg xwb, tab sis nws kuj yog ib qho kev xaiv zoo rau ib puag ncig. Nov yog vim li cas:
- Durable: Silicone yog cov khoom siv ruaj khov uas tuaj yeem siv tau ntau xyoo, txo qhov xav tau kev hloov pauv thiab pov tseg.
- Recyclable: Silicone tuaj yeem rov ua dua tshiab, txo nws qhov cuam tshuam rau ib puag ncig.
- Tsawg Toxicity: Silicone yog cov khoom siv tshuaj lom neeg tsawg, txhais tau tias nws tsis tso cov tshuaj phem rau hauv ib puag ncig thaum tsim khoom lossis pov tseg.
Silicone vs Yas: Qhov twg yog qhov zoo dua lwm txoj kev?
Silicone thiab yas yog ob hom khoom siv uas feem ntau siv hauv ntau yam lag luam. Yas yog cov khoom siv niaj hnub uas tau siv ntau xyoo lawm, thaum silicone yog ib qho khoom siv tshiab uas tau txais kev nyiam nyob rau xyoo tas los no. Ob qho khoom siv muaj lawv cov khoom tshwj xeeb thiab kev siv, tab sis muaj qee qhov sib txawv tseem ceeb ntawm lawv.
Qhov txawv ntawm Cov Khoom
Ib qho ntawm qhov sib txawv tseem ceeb ntawm silicone thiab yas yog txoj kev uas lawv tsim. Silicone yog tsim los ntawm silicon, ib txwm tshwm sim ruaj khov, thaum yas yog tsim los ntawm cov khoom siv hluavtaws. Qhov no txhais tau hais tias silicone muaj qee yam khoom uas yas tsis muaj, xws li ua kom ruaj khov thiab kub-resistant. Silicone tuaj yeem tiv taus qhov kub siab dua li cov yas, ua rau nws zoo tagnrho rau siv hauv kev ua noj thiab ci khoom.
Zoo sib xws thiab qhov sib txawv ntawm cov duab thiab Moldability
Thaum silicone yog ruaj dua li yas, nws tsis hloov tau li. Nws tsis tuaj yeem molded rau hauv cov duab sib txawv xws li cov yas tau. Txawm li cas los xij, silicone tuaj yeem ua rau ntau yam duab, ua rau nws yog qhov kev xaiv nrov rau cov tais diav thiab khoom siv hauv chav ua noj. Yas kuj feem ntau siv rau cov tais diav thiab khoom siv hauv chav ua noj, tab sis nws tsis zoo li silicone.
Kev nyab xeeb thiab hluav taws xob khoom
Silicone tseem paub txog nws txoj kev nyab xeeb thiab hluav taws xob. Nws yog cov khoom tsis muaj tshuaj lom uas tsis tso cov tshuaj phem thaum ua kom sov, ua rau nws muaj kev nyab xeeb rau kev siv ua noj thiab ci. Nws kuj yog ib qho hluav taws xob zoo insulator, ua rau nws zoo tagnrho rau siv hauv cov khoom siv hluav taws xob. Yas, ntawm qhov tod tes, tuaj yeem tso cov tshuaj phem thaum ua kom sov, ua rau nws tsis muaj kev nyab xeeb rau kev ua noj thiab ci.
Kev Tu thiab Kev Txij Nkawm
Thaum nws los txog kev tu thiab tu, silicone thiab yas muaj qee qhov zoo sib xws thiab qhov sib txawv. Ob qho khoom siv tuaj yeem ntxuav tau hauv lub tshuab ntxhua khaub ncaws, tab sis silicone muaj zog dua thiab tuaj yeem tiv taus kub dua. Yas tuaj yeem hloov pauv thiab yaj hauv qhov kub thiab txias, ua kom tsis muaj zog dua li silicone.
xaus
Yog li, silicone yog cov khoom siv los ntawm silicon thiab oxygen, thiab nws tau siv ntau yam.
Koj tuaj yeem pom vim li cas nws thiaj li nrov tam sim no, tsis tau koj? Yog li, tsis txhob ntshai nug yog tias koj tsis paub meej txog qee yam. Koj muaj peev xwm thov ib tug phooj ywg pab.
Thiab tsis txhob hnov qab mus saib peb phau ntawv qhia kom paub ntau ntxiv txog silicone.
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.
