Qhov no yog ib qho tseem ceeb heev nyob rau hauv lub realm ntawm nonwoven fabrics, tshwj xeeb tshaj yog rau cov ntaub ntawv xws li spunbonded thiab lawv qhov sib txawv piv rau meltblown cov ntaub ntawv hais txog tej thaj chaw xws li cov khoom siv kho mob, pom, thiab cov khoom tu cev. Txawm hais tias ob qho tib si qhia ib txoj hauv kev tsim cov ntaub tsis-woven tsis muaj fiber ntau ua ke, lawv txawv heev ntawm lawv cov yam ntxwv, kev tsim khoom, thiab kev siv. Cia peb saib ze dua ntawm qhov sib txawv ntawm lawv thiab nkag siab tias vim li cas txhua tus muaj nws qhov chaw hauv ntiaj teb ntawm kev tsim khoom thiab kev siv.
Taw qhia rau Spunbond Nonwoven Fabrics
Spunbonding sawv cev rau ib qho ntawm cov txheej txheem loj hauv kev ua cov ntaub nonwoven. Nws muaj ncaj qha extruding filaments los ntawm molten polymer los ntawm kev tsim lub vev xaib. Cia peb saib yuav ua li cas cov txheej txheem ua haujlwm thiab dab tsi ua rau cov ntaub ntawm spunbond tshwj xeeb.
Cov txheej txheem tsim khoom Cov txheej txheem pib nrog lub melting ntawm cov polymer, uas tej zaum yuav muaj xws li polypropylene, polyethylene, thiab polyester, thiab lwm yam. Thaum melted, cov polymer raug yuam los ntawm me me spinnerets, tso cai rau tsim cov filaments tas li. Cov no yog tom qab ntawd ncab tawm rau kev sib raug zoo thiab muab lub zog thiab muab tso rau ntawm txoj siv sia nyob qhov twg lawv tau sib koom ua ke thermally, tshuaj, lossis mechanically, yog li tsim cov ntaub hnyav tsis tau muaj zog.
Spunbond fabrics muaj zog, lub teeb, thiab tsim kua muag-resistant lub cev. Nws yog vim qhov xwm ntawm cov fibers, uas yog tas mus li. Cov ntaub no ib txwm tuaj nrog tus du thiab txawm nto, tab sis qhov ntawd tuaj yeem hloov kho rau kev siv sib txawv.
Daim ntaub ntawv: Spunbond fabrics muaj ntau yam thiab pom siv nyob rau hauv ntau yam kev lag luam, nrog rau kev ua liaj ua teb, khoom siv kho mob, geotextiles, ntim, thiab tsheb. Koj tuaj yeem tau hla spunbond thaum siv cov khoom xws li cov ris tsho phais, cov ntaub so ntswg pov tseg, lossis cov ntaub npuag rau kev tswj cov nroj tsuag hauv toj roob hauv pes.
Sib sib zog nqus dhia mus rau hauv Meltblown Nonwoven Fabrics
Cov no, los ntawm qhov sib txawv, yog qhov zoo sib xws nrog cov qauv zoo fiber ntau ntawm meltblown fabrics. Meltblown fabrics tsim los ntawm cov txheej txheem no yog super-nplua, lub teeb, thiab yooj yim rau pwm, txiav txim siab sib txawv fabrics uas tshwm sim los ntawm cov txheej txheem spunbond. Ntawm no yog dab tsi ua meltblown txawv.
Kev tsim khoom:Meltblown manufacturing kuj pib nrog molten polymer, feem ntau polypropylene. Qhov no polymer yog extruded los ntawm ib tug tuag uas muaj ib tug xov tooj ntawm me me nozzles. Dab tsi ua rau yaj-tshuab sib nrug los ntawm spun-bond yog tias cov cua kub siab tshaj plaws yog cuam tshuam rau ntawm cov khoom siv polymer thaum nws tawm hauv qhov tuag uas ua rau cov fibers ultra-zoo. Cov fibers no ces muab tso rau hauv ib txoj siv txav los tsim ib lub vev xaib random.
Lub cev muaj zog:Meltblown fabrics txawv nyob rau hauv uas lawv cov microfibers feem ntau muaj submicron diameters. Qhov no txhais tau tias nws yuav muaj txiaj ntsig zoo hauv kev pom nrog thaj chaw zoo. Melt-blown fabrics yog mos tab sis tsis tshua muaj zog tshaj spun daim ntawv cog lus vim hais tias ntawm txoj kab uas hla ntawm cov fibers thiab randomness nyob rau hauv cov qauv.
Daim ntawv thov:Meltblown fabrics yog tshwj xeeb tshaj yog muaj npe nyob rau hauv daim ntawv thov xws li pom, tshwj xeeb tshaj yog hais txog lub qhov ncauj qhov ntswg, tshwj xeeb tshaj yog N95 lub qhov ncauj qhov ntswg. Cov qauv zoo ua rau cov khoom siv zoo tagnrho rau kev siv hauv huab cua thiab kua pom. Lwm daim ntawv thov siv cov khoom siv xws li roj absorbent, rwb thaiv tsev, thiab cov txheej txheem rau cov khoom siv tu cev sib txawv.
Qhov sib txawv tseem ceeb ntawm spunbond thiab Meltblown Fabrics
Paub txog ntau yam sib txawv ntawm spunbond thiab meltblown cov ntaub ntawv yuav pab tau zoo hauv kev xaiv kom raug rau kev siv tshwj xeeb. Ntawm no, peb txheeb xyuas qee qhov sib txawv tseem ceeb tshaj plaws:
Txoj kab uas hla ntawm Fiber thiab Fiber Structure
Cov fibers loj thiab txuas ntxiv yog lub hauv paus ntawm spunbond fabrics, uas muab lub zog thiab kav ntev. Feem ntau, txoj kab uas hla ntawm fibers yog li ntawm 15 mus rau 35 microns.
Meltblown fabrics muaj fibers uas zoo dua, feem ntau nyob rau hauv thaj tsam ntawm 1 txog 5 microns los yog me dua. Nrog rau qhov tshwm sim ntawm cov qauv zoo no, thaj chaw saum npoo nce, txhim kho cov khoom pom.
Lub zog vs. Lim
Spunbond yog qhov zoo dua qhov uas yuav tsum tau muaj kev tiv thaiv thiab lub zog txhua yam. Qhov txuas ntxiv ntawm cov fibers tsim cov ntaub muaj zog uas tiv taus kev puas tsuaj thiab nro.
Nrog rau qhov zoo ntawm cov fibers thiab thaj chaw siab, Meltblown yog qhov zoo tagnrho rau kev pom vim tias qhov no ua rau muaj txiaj ntsig zoo.
Txoj kev tsim khoom
Cov txheej txheem spun-bonding muaj extruding cov polymer mus rau hauv ntev, nruam filaments uas ces mechanically los yog thermally bonded.
Contrary to spunbond, cov txheej txheem ntawm meltblown draws fibers los ntawm txoj kev ntawm high-ceev kub cua; qhov no ua rau cov fibers ultra-nyias thiab haum rau lwm yam kev siv sib txawv.
Kev siv yam
Laminated Spunbond: Kev kho mob textiles, ua liaj ua teb npog, ntim cov ntaub ntawv, geotextiles, thiab cov khoom tu cev zoo li cov ntaub qhwv.
Meltblown ntsej muag lub ntsej muag, tshwj xeeb tshaj yog pom txheej; cua lim; roj absorbents; thiab lwm yam khoom uas pom yog qhov tseem ceeb.
SMS Fabrics: Spunbond-Meltblown Composites
Feem ntau ntawm cov khoom niaj hnub no muab ob qho tib si spunbond thiab meltblown txheej los ntes qhov zoo ntawm txhua tus. Xws li cov khoom sib xyaw hu ua SMS fabrics, qhov twg lub ntsiab lus sawv cev rau Spunbond-Meltblown-Spunbond.
Kev Sau thiab Kev Tsim Khoom: SMS ntaub yog ib qho sib xyaw ntawm laminating spunbond thiab yaj-tshuab txheej ua ke, feem ntau nrog cov txheej txheem spun-bond ntawm ob sab ntawm cov txheej meltblown. Qhov no muab cov khoom siv sib xyaw ua ke lub zog ntawm spunbond thiab pom muaj peev xwm ntawm yaj-tshuab.
Khoom:Spunbond cov khaubncaws sab nraud povtseg yog siv rau durability, thaum meltblown txheej ntxiv rau impart barrier zog xws li pom thiab rwb thaiv tsev. Cov ntaub ntawv SMS tshwm sim yog mos, muaj zog, thiab ua pa; yog li, haum rau ntau daim ntawv thov.
Cov ntawv thov suav nrog SMS ntaub hauv cov ntawv ntim kho mob xws li cov ris tsho phais thiab cov ntaub qhwv, thiab cov ntaub qhwv kom tsis muaj menyuam. Kev tiv thaiv tiv thaiv kab mob feem ntau yuav tsum tau muaj nyob rau hauv cov khaub ncaws tiv thaiv, uas suav nrog SMS ntaub rau cov neeg siv kev nplij siab thaum muab kev ruaj ntseg ntawm kev tiv thaiv kev ua haujlwm.
Khoom siv hauv Spunbond thiab Meltblown txheej txheem
Cov ntaub ntawv raw siv rau ob qho tib si cov txheej txheem spunbond thiab meltblown yog zoo sib xws nyob rau hauv ntau yam, nrog rau feem ntau cov polymer yog tib yam rau ob txheej txheem, uas yog polypropylene, feem ntau hu ua PP. Qee cov ntaub ntawv tseem ceeb thiab cov laj thawj rau lawv siv raws li nram no:
Polypropylene tseem yog cov khoom siv nrov tshaj plaws vim nws cov nqi qis, tshuaj lom neeg, thiab kev ua haujlwm yooj yim. PP muab lub zog zoo hauv kev siv spunbond thiab cov khoom pom zoo hauv cov ntawv thov meltblown.
Polyester:PET-tsis tshua muaj siv hauv spunbond rau cov ntawv thov xws li lub zog siab dua lossis kub tsis kam. Nws nta zoo heev tiv taus tshuaj thiab puas.
PLA - Polylactic Acid:Nws yog ib qho ntawm cov tshiab tshiab, muab los ntawm cov khoom siv txuas ntxiv dua tshiab, muaj cov ntsiab lus biodegradable. Nws pom daim ntawv thov hauv thaj chaw uas eco-friendliness yog qhov yuav tsum tau ua, feem ntau yog siv spunbond.
Vim li cas Polypropylene yog qhov zoo tagnrho rau ob txoj kev
Cov khoom uas muaj cov ntsiab lus melting tsawg ua rau polypropylene xaiv cov khoom siv rau ob qho tib si spunbond thiab meltblown manufacturing. Nws muaj qhov qis melting point, nrog kev ua haujlwm yooj yim thaum hydrophobic. Yog li, PP fabrics yuav tsum tsim nyog rau daim ntawv thov kev kho mob thiab cov khoom siv tu cev uas hu ua humidity.
Lwm qhov kev tsav tsheb yog kev siv nyiaj. Qhov kev thov loj heev rau kev tsim cov ntaub ntawv tsis-woven txhais tau hais tias muaj ib qho kev xav tau ntawm cov ntaub ntawv uas muaj, tsis muaj nqi, thiab los ntawm tus nqi yog kev lag luam thaum paub tseeb tias cov khoom xav tau. Polypropylene ua tau raws li qhov profile no zoo.
Kev sib piv ntawm Spunbond thiab Meltblown hauv cov ntawv thov tshwj xeeb
Lub hom phiaj ntawm cov ntaub tuaj yeem nkag siab yog tias ib tus xav tias vim li cas ib hom ntaub raug xaiv dua lwm tus: Cia peb sib piv spunbond thiab meltblown hauv ntau qhov kev siv tswv yim.
Kev Kho Mob Field:Kev siv kho mob yog cov khoom siv lim rau lub ntsej muag phais thiab lub tsho. Meltblown sib txuas cov peev xwm pom nrog lub zog spunbond. SMS fabrics muaj ntau heev vim hais tias lawv muab ib tug ua ke ntawm barrier tiv thaiv, breathability, thiab lub zog uas tsim nyog. Meltblown khaubncaws sab nraud povtseg tej zaum yuav ntxiab cov huab cua, thaum spunbond yuav ntxiv hnav tsis kam.
Cov khoom siv lim:Meltblown fabrics ua lub luag haujlwm tseem ceeb hauv kev pom rau lub ntsej muag lub ntsej muag, lim cua txias, thiab txawm tias cov tshuab lim dej. Nws yog qhov microfiber ntom ntom heev uas tsim kom muaj kev tiv thaiv zoo txawm tias qhov me me ntawm cov khoom uas ua rau nws zoo tagnrho rau kev siv.
Ua liaj ua teb:Hauv kev ua liaj ua teb, spunbond fabrics muaj ntau daim ntawv thov. Nws feem ntau siv rau kev tsim cov npog rau cov nroj tsuag. Cov npog no tuaj yeem khaws cov dej noo thiab tswj qhov kub thiab txias. Vim nws lub zog zoo thiab daim ntawv thov yooj yim thiab tshem tawm, daim ntawv thov ntawm spunbond rau kev siv yog siv tau.
Roj Absorbents:Cov qauv microfiber ua rau cov ntaub nplaum meltblown zoo heev ntawm kev nqus cov roj, uas yog cov cuab yeej siv roj thaum rov ua dej. Qhov no yog ib qho tseem ceeb heev vim li cas cov mats meltblown qhia kev ua haujlwm zoo hauv kev ntxuav cov roj nchuav, ob qho tib si hauv kev lag luam thiab ib puag ncig.
Qhov tseem ceeb ntawm Nonwoven FabricsNyob rau hauv Kev Lag Luam Niaj Hnub No Spunbond thiab cov ntaub yaj-tshuab muaj cov ntawv thov loj hauv kev tsim khoom niaj hnub, kev kho mob, thiab kev tsim vaj tsev ib puag ncig. Lub versatility, ntxiv rau qhov tseeb hais tias xws li fabrics tuaj yeem tsim tau ntawm tus nqi qis, pom zoo rau lawv rau kev siv loj hauv kev lag luam tseem ceeb. Txawm hais tias hauv kev pom kev ua haujlwm zoo los daws teebmeem kev noj qab haus huv lossis muab lub zog thiab ua haujlwm ntev rau geotextiles, spunbond thiab melt-blown fabrics muab cov piv txwv ntawm kev siv cov txheej txheem sib txawv li cas los ua kom tiav. Tsav raws li nws tau, kev lag luam hauv lawv cov kev hloov pauv tau nce qhov kev thov ntawm cov kev daws teeb meem tshwj xeeb uas tsis yog-woven. Ntau yam kev sib txuas ntawm spunbond thiab meltblown fabrics, xws li SMS composites, yog li tso cai rau cov tuam txhab ua kom txaus siab rau cov kev xav tau uas muaj los ntawm kev tiv thaiv hnav zoo rau cov kws kho mob kom paub tseeb tias huab cua huv thiab dej pom.
Txheej txheem cej luam: Spunbond vs. Meltblown Xaiv ntawm spunbond thiab meltblown fabrics feem ntau yog los ntawm kev tshuaj xyuas cov kev xav tau tshwj xeeb ntawm daim ntawv thov hauv nqe lus nug: Mus rau spunbond nyob rau hauv rooj plaub uas koj xav tau siab zog, nqi zog, thiab kav ntev ntawm kev ua haujlwm. Tshwj xeeb tshaj yog, cov rooj plaub uas yuav tsum tau tiv thaiv kev sib txhuam thiab lwm yam kev hnav xws li ntim khoom, kev ua liaj ua teb, thiab cov khaub ncaws tiv thaiv. Siv meltblown thaum pom, softness, thiab ntes cov khoom zoo yog xav tau. Nws cov ntawv thov, yog li ntawd, muaj ntau yam los ntawm lub qhov ncauj qhov ntswg kho mob, pom cov tshuab, thiab cov roj absorbents. Yog tias koj xav tau qhov zoo tshaj plaws ntawm ob lub ntiaj teb-cov khoom pom ntawm meltblown nrog lub zog ntawm spunbond-xav txog SMS fabrics. SMS yog dav siv nyob rau hauv kev kho mob thiab kev lag luam daim ntawv thov qhov twg ob yam khoom yog xav tau los yog yuav tsum tau.
