Raws li lub ntuj polymer compound, cellulose muaj ntau yam kev siv hauv kev tsim khoom. Nws yog tsuas yog muab los ntawm cov phab ntsa ntawm tes ntawm cov nroj tsuag thiab yog ib qho ntawm cov organic tebchaw tshaj plaws hauv ntiaj teb. Cellulose tau siv dav hauv kev tsim cov ntawv, textiles, plastics, cov khoom siv hauv tsev, tshuaj, zaub mov thiab lwm yam lag luam vim nws cov qauv molecular tshwj xeeb, tus phooj ywg zoo degradability thiab zoo heev lub cev thiab tshuaj.
1. Papermaking kev lag luam
Kev lag luam papermaking yog daim ntawv thov tseem ceeb ntawm cellulose. Cov nroj tsuag fibers tuaj yeem ua rau hauv cov ntaub so ntswg tom qab kho tshuab lossis tshuaj. Cellulose muab lub zog thiab kav ntev raws li cov khoom tseem ceeb hauv cov txheej txheem no. Nyob rau hauv cov txheej txheem papermaking, cov dej nqus, smoothness thiab tensile lub zog ntawm daim ntawv tuaj yeem tswj tau los ntawm kev ntxiv cov tshuaj ntxiv thiab siv cov fiber ntau sib txawv. Qhov tshwm sim ntawm cov ntawv rov siv dua ntxiv qhia txog kev ruaj khov thiab rov ua dua tshiab ntawm cellulose, ua rau nws muaj txiaj ntsig zoo dua hauv cov ntaub ntawv ib puag ncig.
2. Kev lag luam textile
Cellulose fibers (xws li paj rwb) yog siv dav hauv kev tsim cov ntaub ua cov ntaub ntawv raw ntawm kev lag luam textile. Cov paj rwb fibers muaj ntau tshaj 90% cellulose, uas ua rau lawv mos, hygroscopic, breathable thiab lwm yam khoom zoo, haum rau kev tsim ntawm ntau hom khaub ncaws. Nyob rau hauv xyoo tas los no, cellulose fibers tuaj yeem siv tshuaj kho mob los tsim cov cellulose fibers xws li viscose fibers thiab modal fibers, txuas ntxiv nthuav dav daim ntawv thov ntawm cellulose hauv kev lag luam textile. Cov fibers no tsis yog tsuas yog mos thiab xis, tab sis kuj muaj cov tshuaj tua kab mob zoo thiab biodegradable.
3. Bioplastics thiab biodegradable cov ntaub ntawv
Cellulose tuaj yeem siv los ua cov yas biodegradable hauv kev lag luam plastics, uas yog ib qho ntawm cov kev tshawb fawb tseem ceeb rau kev daws qhov teeb meem ntawm "dawb paug". Los ntawm kev ua cov cellulose rau hauv cellulose acetate los yog cellulose ether, nws tuaj yeem siv los ua eco-phooj ywg yas zaj duab xis, tableware, thiab lwm yam. Cov ntaub ntawv no muaj zog tshuaj lom neeg ruaj khov thiab lub cev muaj zog, thiab yooj yim rau degrade hauv ib puag ncig ntuj, txo qhov cuam tshuam ntawm yas pov tseg ntawm ecological ib puag ncig.
4. Cov khoom siv hauv tsev
Hauv kev tsim kho kev lag luam, cellulose yog dav siv los ua fiber ntau cement boards, fiber reinforced gypsum boards thiab thermal rwb thaiv tsev cov ntaub ntawv. Kev sib xyaw cellulose fibers nrog lwm cov ntaub ntawv tuaj yeem txhim kho lawv cov kev cuam tshuam, tensile lub zog, thiab txhim kho thermal rwb thaiv tsev thiab suab rwb thaiv tsev. Piv txwv li, cellulose thermal rwb thaiv tsev cov ntaub ntawv yog ib puag ncig tus phooj ywg thermal rwb thaiv tsev khoom. Los ntawm kev txhaj tshuaj cellulose hmoov los yog cellulose hais rau hauv lub tsev phab ntsa, nws muaj peev xwm zoo insulate thiab txo suab nrov, thiab nws tej yam ntuj tso kab-pov thawj cov khoom ua rau nws ntau lug siv nyob rau hauv kev tsim kho.
5. Kev lag luam khoom noj thiab tshuaj
Cellulose derivatives xws li carboxymethyl cellulose (CMC) thiab methyl cellulose (MC) kuj muaj cov ntawv thov tseem ceeb hauv cov khoom noj thiab tshuaj lag luam. Carboxymethyl cellulose yog dav siv los ua cov thickener, stabilizer thiab emulsifier hauv cov khoom noj, thaum methyl cellulose feem ntau yog siv los ua ib qho disintegrant hauv cov ntsiav tshuaj vim nws cov adhesiveness zoo thiab biocompatibility. Tsis tas li ntawd, cellulose kuj tuaj yeem muab ntxiv rau cov khoom noj uas muaj fiber ntau los pab tib neeg txhim kho txoj hnyuv.
6. Kev lag luam tshuaj pleev ib ce
Cellulose feem ntau yog siv los ua cov thickener thiab stabilizer hauv tshuaj pleev ib ce. Piv txwv li, ntau carboxymethyl cellulose thiab microcrystalline cellulose tuaj yeem ua rau kom cov viscosity thiab stability ntawm cov tshuaj pleev ib ce thiab tsis txhob stratification ntawm cov khoom xyaw. Tsis tas li ntawd, qhov degradability thiab non-toxicity ntawm cellulose ua rau nws tsim nyog siv rau hauv cov khoom siv ntxuav, cov khoom tu tawv nqaij thiab pleev.
7. Cov ntaub ntawv zoo ib puag ncig thiab cov ntaub ntawv lim
Vim yog cov qauv ntxeem tau thiab zoo adsorption ntawm cellulose, nws tau nce siv hauv cov ntaub ntawv lim. Cellulose membranes thiab cellulose nanofibers yog siv nyob rau hauv huab cua pom, kev kho dej thiab kev kho dej khib nyiab. Cellulose lim cov ntaub ntawv tuaj yeem tsis tsuas yog tshem tawm cov khoom uas raug tshem tawm, tab sis kuj adsorb cov khoom tsis zoo, nrog rau qhov zoo ntawm kev ua haujlwm siab thiab kev tiv thaiv ib puag ncig. Tsis tas li ntawd, daim ntawv thov kev tshawb fawb ntawm cellulose nanofibers ua rau nws muaj peev xwm zoo nyob rau yav tom ntej pom thiab kev tiv thaiv ib puag ncig kev lag luam.
8. Lub zog teb
Cellulose biomass kuj tau nyiam ntau yam hauv lub zog. Cellulose tuaj yeem tsim lub zog tauj dua tshiab xws li bioethanol thiab biodiesel los ntawm biodegradation thiab fermentation. Piv nrog rau petrochemical zog, cov khoom combustion ntawm biomass zog yog ib puag ncig tus phooj ywg thiab nyob rau hauv txoj kab nrog lub tswv yim ntawm sustainable kev loj hlob. Kev tsim cov thev naus laus zis ntawm cellulose biofuel yog maj mam txhim kho, muab txoj hauv kev tshiab rau lub zog huv yav tom ntej.
9. Kev siv nanotechnology
Cellulose nanofibers (CNF) yog ib qho tseem ceeb hauv kev tshawb fawb txog cellulose hauv xyoo tas los no. Vim lawv lub zog siab, tsawg ntom thiab zoo biocompatibility, lawv tau siv dav hauv ntau yam ntaub ntawv sib xyaw. Qhov sib ntxiv ntawm cellulose nanofibers tuaj yeem txhim kho cov khoom siv ntawm cov khoom sib xyaw ua ke, thiab piv nrog lwm cov khoom siv nano, cellulose nanofibers tau txuas ntxiv thiab biodegradable, yog li lawv muaj peev xwm zoo hauv cov khoom siv hluav taws xob, sensors, kho mob cog thiab cov ntaub ntawv ua tau zoo.
10. Tshuab luam ntawv thiab inkjet
Hauv kev luam ntawv thiab inkjet thev naus laus zis, cellulose derivatives yog siv los txhim kho cov fluidity thiab adsorption ntawm inks, ua rau cov nyhuv luam ntawv zoo ib yam. Hauv inkjet luam ntawv inks, cellulose tuaj yeem ua rau cov xim ntau dua thiab meej. Tsis tas li ntawd, lub pob tshab thiab lub zog ntawm cellulose tuaj yeem txhim kho cov ntawv luam tawm kom zoo thiab txo cov number case diffusion, yog li ua rau cov khoom luam tawm zoo dua.
Raws li cov khoom siv hluav taws xob zoo dua qub thiab degradable, cellulose tau dhau los ua ib qho tseem ceeb ntawm cov khoom siv niaj hnub no. Nws daim ntawv thov dav hauv ntau qhov chaw qhia tau hais tias nws muaj ntau haiv neeg thiab kev tiv thaiv ib puag ncig, thiab txhawb kev hloov pauv ntsuab ntawm ntau qhov kev lag luam. Nyob rau yav tom ntej, nrog kev txhim kho txuas ntxiv ntawm kev tshawb fawb thiab thev naus laus zis thiab kev ua tiav ntawm cellulose nanotechnology, daim ntawv thov ntawm cellulose yuav muaj ntau haiv neeg.
Post lub sij hawm: Nov-01-2024