Kodi Cellulose Fiber ndi chiyani?

Ma cellulose fiberndi ulusi wopangidwa kuchokera ku cellulose, polysaccharide yopezeka mwachilengedwe yomwe imapezeka m'makoma a maselo. Cellulose ndiye polima wochuluka kwambiri padziko lapansi ndipo amagwira ntchito ngati gawo lalikulu la makoma a cell ya zomera, kupereka mphamvu, kulimba, ndi kuthandizira kubzala. Ulusi wa cellulose umagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana chifukwa cha mphamvu zake, kusinthasintha, komanso kuwonongeka kwachilengedwe. Nayi chithunzithunzi cha cellulose fiber:

Magwero a Cellulose Fiber:

1. Zida Zomera: Ulusi wa cellulose umachokera ku zomera, monga nkhuni, thonje, hemp, nsungwi, jute, fulakisi, ndi nzimbe. Mitundu yosiyanasiyana ya zomera ndi zigawo zake zimakhala ndi mitundu yosiyanasiyana ya ulusi wa cellulose.
2. Zida Zobwezerezedwanso: Ulusi wa cellulose ungathenso kupezedwa kuchokera ku mapepala obwezerezedwanso, makatoni, nsalu, ndi zinyalala zina zomwe zili ndi cellulose kudzera pamakina kapena mankhwala.

Njira Zopangira:

1. Mechanical Pulping: Njira zamakina, monga kugaya, kuyenga, kapena mphero, zimagwiritsidwa ntchito polekanitsa ulusi wa cellulose ndi zinthu zakumera kapena mapepala obwezeretsanso. Mechanical pulping imasunga mawonekedwe achilengedwe a ulusi koma atha kupangitsa kuti ulusi ukhale wamfupi komanso kuti ukhale wosayera.
2. Chemical Pulping: Njira zamakina, monga kraft process, sulfite process, kapena organosolv process, zimaphatikizapo kuchitira zinthu zakumera ndi mankhwala kuti asungunuke lignin ndi zinthu zina zopanda cellulosic, kusiya ulusi woyeretsedwa wa cellulose.
3. Enzymatic Hydrolysis: Enzymatic hydrolysis imagwiritsa ntchito ma enzymes kuti aphwanyire cellulose kukhala shuga wosungunuka, womwe umatha kufufuzidwa kukhala mafuta amafuta kapena mankhwala ena achilengedwe.

Ubwino wa Cellulose Fiber:

1. Mphamvu: Ulusi wa cellulose umadziwika chifukwa champhamvu kwambiri, kuuma, komanso kulimba, zomwe zimawapangitsa kukhala oyenera kugwiritsidwa ntchito m'mafakitale osiyanasiyana.
2. Mayamwidwe: Ulusi wa cellulose uli ndi mphamvu zoyamwa bwino kwambiri, zomwe zimawalola kuti azitha kuyamwa ndi kusunga chinyezi, zakumwa, ndi fungo. Izi zimawapangitsa kukhala abwino kugwiritsa ntchito zinthu zoyamwa, monga zopukutira zamapepala, zopukuta, ndi zinthu zaukhondo.
3. Biodegradability: Ulusi wa cellulose ndi wosavuta kuwonongeka komanso wosagwirizana ndi chilengedwe, chifukwa ukhoza kuphwanyidwa ndi tizilombo toyambitsa matenda kukhala zinthu zopanda vuto, monga madzi, carbon dioxide, ndi zinthu zamoyo.
4. Thermal Insulation: Ulusi wa cellulose uli ndi zida zotetezera kutentha, zomwe zimawapangitsa kukhala oyenera kugwiritsidwa ntchito pomanga zinthu zotchinjiriza, monga kutchinjiriza kwa cellulose, zomwe zimathandizira kuwongolera mphamvu zamagetsi ndikuchepetsa ndalama zotenthetsera ndi kuziziritsa.
5. Chemical Reactivity: Ulusi wa cellulose ukhoza kusinthidwa ndi mankhwala kuti ayambitse magulu ogwirira ntchito kapena kusintha zinthu zawo kuti azigwiritsidwa ntchito mwapadera, monga ma cellulose ethers, esters, ndi zotumphukira zomwe zimagwiritsidwa ntchito popanga mankhwala, zowonjezera zakudya, ndi ntchito zamakampani.

Kugwiritsa ntchito Cellulose Fiber:

1. Mapepala ndi Kupaka: Ma cellulose fiber ndiye chinthu choyambirira chopangira mapepala, chomwe chimagwiritsidwa ntchito popanga zinthu zosiyanasiyana zamapepala ndi makatoni, kuphatikiza mapepala osindikizira, zida zoyikamo, mapepala a minofu, ndi bolodi lamalata.
2. Zovala ndi Zovala: Ulusi wa cellulose, monga thonje, nsalu, ndi rayon (viscose), amagwiritsidwa ntchito popanga nsalu kupanga nsalu, ulusi, ndi zovala, kuphatikizapo malaya, madiresi, jeans, ndi matawulo.
3. Zida Zomangira: Ulusi wa cellulose umagwiritsidwa ntchito popanga zinthu zopangidwa ndi matabwa, monga particleboard, fiberboard, oriented strand board (OSB), ndi plywood, komanso zopangira zotchingira ndi zowonjezera za konkriti.
4. Biofuels ndi Mphamvu: Ma cellulose fiber amagwira ntchito ngati chakudya chopangira mafuta achilengedwe, kuphatikiza ethanol, biodiesel, biomass pellets, komanso m'mafakitale ophatikiza kutentha ndi kupanga magetsi.
5. Chakudya ndi Mankhwala: Ma cellulose, monga methylcellulose, carboxymethylcellulose (CMC), ndi microcrystalline cellulose (MCC), amagwiritsidwa ntchito ngati thickeners, stabilizers, binders, ndi fillers mu zakudya, mankhwala, zodzoladzola, ndi zinthu zosamalira munthu.

Pomaliza:

Ma cellulose fiber ndi chinthu chosinthika komanso chokhazikika chomwe chimagwiritsidwa ntchito m'mafakitale osiyanasiyana, kuphatikiza kupanga mapepala, nsalu, zomangamanga, mafuta amafuta, chakudya, ndi mankhwala. Kuchuluka kwake, kusinthikanso, komanso kuwonongeka kwachilengedwe kumapangitsa kuti ikhale chisankho chokongola kwa opanga omwe amafunafuna zida zokomera zachilengedwe komanso zogwira ntchito kwambiri. Pamene mafakitale akupitiriza kuika patsogolo kukhazikika ndi kuyang'anira chilengedwe, ulusi wa cellulose ukuyembekezeka kugwira ntchito yofunika kwambiri pakusintha kwachuma chozungulira komanso chogwiritsa ntchito bwino.