Nyob rau hauv lub ntiaj teb niaj hnub no uas muaj kev hloov pauv sai, qhov kev thov rau cov khoom siv zoo thiab tshiab hauv kev lag luam huv yeej tsis tau siab dua li no. Nrog rau kev tsom mus rau kev ruaj khov thiab kev ua tau zoo, cov tuam txhab pheej nrhiav cov khoom siv tshiab uas tuaj yeem ua tau raws li cov kev xav tau hloov pauv no. Qhov no yog qhov uas PP nonwovens tuaj ua si, nrog rau lawv cov txiaj ntsig thiab kev siv ntau yam ua rau lawv hloov pauv kev lag luam huv.
Nrog 18 xyoo ntawm kev tsim khoom tsis yog woven, Mickler tau nyob rau pem hauv ntej ntawm kev lag luam, siv nws cov kev txawj ntse los tsim cov khoom zoo tshaj plaws PP nonwovens. Cov khoom siv ntau yam no tau hloov pauv txoj kev tsim thiab tsim cov khoom siv tu cev, muab ntau yam zoo uas ua rau nws yog thawj qhov kev xaiv rau ntau lub tuam txhab.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawmPP tsis yog woven ntaubyog nws qhov ua pa tau zoo heev. Qhov kev ua haujlwm no yog qhov tseem ceeb hauv kev lag luam tu cev, qhov twg cov khoom xws li cov ntaub so ntswg, cov ntaub so huv thiab cov khoom siv rau cov neeg laus uas tsis tuaj yeem tso zis yuav tsum muab kev nplij siab thiab qhuav rau tus neeg siv. Cov ntaub PP tsis-woven tso cai rau huab cua thiab noo noo hla dhau, tsim kom muaj kev paub zoo dua thiab huv si rau tus neeg siv kawg.
Tsis tas li ntawd xwb, cov ntaub PP uas tsis yog woven kuj paub txog lawv qhov mos mos thiab zoo rau daim tawv nqaij, ua rau lawv zoo tagnrho rau cov khoom uas kov daim tawv nqaij ncaj qha. Nws qhov kov mos mos ua kom cov neeg siv tuaj yeem hnav cov khoom siv tu cev ntev ntev yam tsis muaj kev tsis xis nyob lossis khaus, yog li ua kom muaj kev paub zoo dua rau tus neeg siv.
Ntxiv rau qhov xis nyob thiab ua pa tau zoo, PP cov ntaub tsis-woven kuj muaj cov khoom nqus dej zoo heev thiab khaws cia. Qhov no tseem ceeb heev hauv kev lag luam tu cev, qhov twg cov khoom yuav tsum tswj cov kua dej kom zoo thaum tswj lawv cov qauv kom ruaj khov. Txawm hais tias nws yog cov ntaub so menyuam yaus lossis cov khoom siv tu cev poj niam, PP cov ntaub tsis-woven muab kev nqus dej thiab kev tswj hwm kev xau, ua kom muaj kev thaj yeeb nyab xeeb rau cov neeg siv thiab cov chaw tsim khoom.
Tsis tas li ntawd xwb, cov ntaub PP uas tsis yog woven yog cov khoom sib dua thiab ruaj khov, ua rau lawv zoo tagnrho rau kev tsim cov khoom siv tu cev uas pheej yig thiab siv tau ntev. Nws lub zog thiab elasticity ua rau nws yooj yim rau kev tuav thaum lub sijhawm tsim khoom, thaum tseem ua kom cov khoom kawg tuaj yeem tiv taus kev siv txhua hnub yam tsis muaj kev cuam tshuam rau kev ua haujlwm.
Qhov ua tau ntau yam ntawm PP nonwovens tsis yog tsuas yog siv rau cov khoom siv tu cev xwb, tab sis kuj siv tau rau hauv kev kho mob thiab kev saib xyuas kev noj qab haus huv. Txij li cov khaub ncaws phais thiab cov ntaub thaiv qhov txhab mus rau cov ntaub qhwv qhov txhab thiab cov ntaub so pov tseg, cov khoom siv no tau ua pov thawj tias tseem ceeb heev rau kev tswj hwm cov qauv siab ntawm kev tu cev thiab kev tswj kab mob.
Raws li qhov kev thov rau cov ntaub ntawv ruaj khov txuas ntxiv mus, PP nonwovens sawv tawm rau lawv cov khoom zoo rau ib puag ncig. Nws tuaj yeem rov ua dua tshiab thiab rov siv dua, txo cov khib nyiab thiab kev cuam tshuam rau ib puag ncig, raws li kev tsom mus rau kev ruaj khov thoob plaws hauv kev lag luam.
Hauv kev xaus lus, qhov tshwm sim ntawmCov ntaub PP tsis woventau hloov pauv kev lag luam tu cev huv si heev, muab kev sib xyaw ua ke ntawm kev ua pa tau zoo, kev nplij siab, kev nqus dej, kev ruaj khov thiab kev ruaj khov. Nrog cov tuam txhab zoo li Mickler ua tus thawj coj hauv kev tsim khoom, yav tom ntej muaj kev cia siab nrog kev tsim kho tshiab thiab kev siv cov khoom zoo tshaj plaws no los tsim cov khoom tu cev huv si tiam tom ntej.
Lub sijhawm tshaj tawm: Plaub Hlis-10-2024