Microfiber yog ib hom fiber ntau uas muaj qhov zoo heev, feem ntau tsawg dua 5 microns hauv txoj kab uas hla, uas ua rau thaj tsam ntawm cov fiber ntau thiab txhim kho nws cov dej nqus dej. Hauv qab no yog cov ncauj lus kom ntxaws tsom xam ntawm cov dej nqus cov ntsiab lus ntawm ultrafine fibers:
Microstructure ntawm fibers
Lub microstructure ntawm ultrafine fibers txiav txim siab lawv cov dej nqus dej. Qhov piv ntawm thaj chaw ntawm fibers rau lawv lub ntim ncaj qha cuam tshuam rau thaj tsam ntawm cov dej molecules. Qhov loj dua qhov chaw saum npoo, qhov nqus dej sai dua. Txoj kab uas hla ntawm cov fibers ultrafine yog qhov zoo heev, uas muab txhua qhov fiber ntau rau thaj chaw loj, cia nws nqus dej sai sai.
Capillary nyhuv
Capillary nyhuv yog hais txog qhov tshwm sim ntawm cov kua nce hauv cov me me, uas yog ib qho tseem ceeb hauv kev nqus dej ntawm ultrafine fibers. Vim yog qhov me me ntawm cov fibers, cov dej molecules tuaj yeem nkag mus rau sab hauv ntawm cov fibers hauv qab capillary nkaus xwb, yog li ua tiav cov dej nqus sai.
Hydrophilic pawg
Cov pab pawg hydrophilic tam sim no nyob rau hauv ultrafine fibers, xws li - OH, - SO3Na, COONa, thiab lwm yam, muaj kev sib raug zoo rau cov dej molecules. Kev sib cuam tshuam quab yuam ntawm cov pab pawg hydrophilic thiab cov dej molecules ua rau kev nqus dej zoo heev ntawm ultrafine fibers.
Ionic hydrophilic pawg
Ionic hydrophilic pawg ua lub luag haujlwm tseem ceeb hauv ultrafine fibers. Cov pab pawg ua haujlwm no tuaj yeem tsim cov qauv peb-dimensional network hauv dej, thiab ntau pawg ionic hydrophilic muaj, qhov muaj peev xwm nqus dej muaj zog dua. Tsis tas li ntawd, qhov siab dua ion osmotic siab (piv txwv li, qhov qis dua cov electrolyte ion concentration ntawm cov tshuaj sab nraud), qhov kev nyiam ntau dua.
Sib npaug ntawm kev nqus dej thiab khaws cia
Txawm hais tias ultrafine fibers muaj kev nqus dej zoo heev, txhawm rau ua kom tau raws li cov dej khaws cia hauv cov ntawv thov, fibers yuav tsum muaj qee yam dej tuav cov khoom. Qhov no txhais tau hais tias tom qab nqus dej, cov fiber ntau tuaj yeem tsim cov gel zoo li cov qauv, uas tuaj yeem ua kom cov dej ntws tawm yooj yim txawm tias nyob hauv qee qhov siab.
Cov ntsiab lus
Hauv cov ntsiab lus, cov ntsiab lus nqus dej ntawm ultrafine fibers feem ntau yog los ntawm lawv cov microstructure, capillary effect, hydrophilic pawg, thiab kev sib xyaw ua ke ntawm ionic hydrophilic pawg. Cov yam tseem ceeb no ua rau muaj kev ua tau zoo ntawm ultrafine fibers hauv kev nqus dej, ua rau lawv siv dav hauv lub neej txhua hnub.
