Cellulose ndi gawo lokhalamo lobiquuts lomwe limapezeka kwambiri mwachilengedwe, kusewera gawo lofunikira mu kapangidwe kake ndi ntchito zosiyanasiyana komanso zachilengedwe. Malo ake apadera ndi kusiyanasiyana abweretsa mapulogalamu angapo mafakitale, ndikupangitsa kukhala umodzi wofunikira kwambiri.
1. Mankhwala a cellulose:
Cellulose makamaka imachokera ku chomera makhoma, ndikugwira ntchito ngati gawo la microfibrils. Amapezeka m'makoma a cell a ziwalo zambiri, kuphatikiza nkhuni, thonje, hemp, nthito, ndi ena ambiri. Magwero awa amasiyana mu cellulose komanso gulu la mawonekedwe, kukhumudwitsa kukhazikika kwawo kwa mapulogalamu osiyanasiyana.
Wood: Wood ndi amodzi mwazinthu zambiri zama cellulose, ndi mitengo monga pine, thundu, komanso spruce yokhala ndi bipolymer yayikulu iyi. Ili ngati gawo lalikulu mu makoma a cell a minofu yamitengo, kupereka mphamvu ndi kuuma kwa mbewu.
Thonje: ulusi wa thonje amapangidwa pafupifupi cellulose kwathunthu, kuwapangitsa kukhala ofunika kwambiri chifukwa chopanga chitopangidwe. Ngongole zazitali, zopindika za cellulose zimathandizira kuti apambane, chidwi, komanso kupuma kwa nsalu ya thonje, kuwapangitsa kukhala abwino zovala ndi zovala zapakhomo.
A hemp ndi Flakesi: hemp ndi chingwe chonyowa ndi gwero lamitundu ya cellulose ndipo zakhala zikugwiritsidwa ntchito nthawi zambiri kupanga. Zithunzi zachilengedwe izi zimapereka chibwibwi, chonyongedwa, ndi kukhala ndi chilengedwe, zimapangitsa kuti azitchuka kwambiri m'matumba a Eco.
Zipangizo zina zomera: Kuphatikiza apo, cellulose imatha kutulutsidwa ndi zida zina zamitundu zina monga bamboa, starncane, zotsalira za chimanga. Madongosolo ena amathandizira pakupanga zinthu zosakhazikika pazogulitsa za cellulose mukamachepetsa kudalira pamiyambo yakale yochokera ku cellulose.
2.Parperies of Cellulose:
Cellulose imawonetsa zinthu zingapo zapadera zomwe zimathandizira pakugwiritsa ntchito kwake kwakukulu:
Biodegradiity: Cellulose ndi biodegrablegrad, kutanthauza kuti zitha kung'ambika ndi ma microorganisms kukhala zinthu zosavuta monga ma carbon dioxide ndi madzi. Katunduyu amapangitsa zinthu zopangidwa ndi cellulose kukhala ochezeka, makamaka pakugwiritsa ntchito komwe kutaya zinyalala ndi nkhawa.
Hydrophilicity: cellulose imakhala ndi ubale wokwezeka mamolekyulu amadzi chifukwa cha magulu a magulu a hydroxyl mu mawonekedwe ake. Chikhalidwe cha hydrophilic ichi chimapangitsa kuti ma cellulose azitha kuyamwa ndikusunga madzi, ndikuwapangitsa kukhala oyenera pantchito monga kupendekera, mavalidwe a bala, ndi zinthu zaukhondo.
Mphamvu yamakina: Zithunzi za cellulose zimakhala ndi mphamvu zabwino kwambiri, kupereka mkwiyo komanso kulimba kwa zinthu zomwe zimapangidwa kuchokera kwa iwo. Katunduyu ndi wofunika kwambiri pantchito zomwe amafuna kukhulupirika, monga m'malemba, zojambula, ndi zopangidwa ndi pepala.
Wokhazikika komanso Wokhazikika: Monga chilengedwe chachilengedwe chochokera ku magwero azomera, cellulose ndizotheka komanso zokhazikika. Kupanga kwake sikudalira chuma chamafuta ambiri ndipo kumatha kuyambitsa zingwe za kaboni pochokera m'nkhalango zoyendetsedwa bwino ndi nkhalango.
3.Kugwiritsa ntchito ma cellulose:
Cellulose amapeza ntchito kwambiri pamafakitale osiyanasiyana, chifukwa cha njira zake zapadera:
Pepala ndi ma CV: mwina odziwika bwino kwambiri a cellulose akupanga mapepala ndi makatoni. Mafuta a cellulose ndizinthu zoyambirira zogwiritsidwa ntchito polemba mapepala, kupereka mawonekedwe ndi mawonekedwe ake ofunikira polemba, kusindikiza, ndi kutsatsa mapulogalamu. Kuphatikiza apo, zida zokhudzana ndi cellulose zokhudzana ndi eco-zochezeka za phukusi la pulasitiki, zomwe zimathandizira kuti zikhale zothandiza.
Zolemba ndi zovala: Treulose wochokera ku thonje, hemp, fulake, ndi mbewu zina zimapopera mu ulusi komanso zopangidwa ndi nyumba, ndi ntchito za mafakitale. Colon, makamaka, amagwiritsidwa ntchito kwambiri ndi cellulose yofananira ndi mafakitale chifukwa cha kufewa, kupuma, komanso kusiyanasiyana. Zosintha mu njira zogwiritsira ntchito zapangitsanso kukula kwa ulusi wa cellulose monga Loocell ndi modal, omwe amapereka katundu ndi phindu la chilengedwe.
Zipangizo za biomedical: zomwe zimapangidwa ndi ma cellulose zimakhala ndi mapulogalamu a biomedal dipter, kuphatikiza mavalidwe a bala, kuphatikiza mankhwala opanga matenda, njira zoperekera mankhwala, ndi zipatala zamankhwala. Kukhazikika kwa ma cellulose kumapangitsa kuti ikhale yoyenera pazinthu zotere, pomwe kuyankhulana ndi ziphuphu ndikofunikira kuti mugwire ntchito komanso chitetezo.
Zakudya ndi mafakitale opangira mankhwala: Celluloses zochokera monga cellulose et (mwachitsanzo, methyllulose, ma cellulose acerate) ndi ma celluluse, ndi othandizira mafilimu mu chakudya ndi mankhwala. Zowonjezera zochokera ku cellulose zosintha, mahenjenje, komanso kuchuluka kwa zakudya pomwe mukuwonetsetsa mankhwala osokoneza bongo komanso kuchuluka kwa mankhwala opangira mankhwala.
Mphamvu zosinthidwa ndi ma biofuels: Cellulose zolemera kwambiri ndi zodyetsa za mphamvu zochulukirapo komanso ma biofurals kudzera njira monga biomass spaimication, kupesa, ndi enzymatic hydrolysis. Ma celluloosic, ochokera ku ma cellulose owonongeka, amapereka njira yokhazikika yosinthira mafuta ndikuthandizira kuchepetsa mpweya wowonjezera kutentha.
Zipangizo zophatikizika: ulusi wa cellulose umaphatikizidwa m'magawo ophatikizika kuti apititse mphamvu zamakina monga mphamvu, kuuma, komanso kukana. Mitundu yosiyanasiyana yochokera pa cellulose ipeza ntchito mu zinthu zamagalimoto, zinthu zomanga, mipando, komanso masewera olimbitsa thupi, kupereka njira zina zopepuka komanso zowoneka bwino kwa zinthu wamba.
Te cellulose, ngati biopolymer yochulukirapo mu makhola a cell, ali ndi mawonekedwe ena komanso mapulogalamu osiyanasiyana mafakitale. Kuchokera papepala ndi malembawo ku zinthu zakufala ndi mphamvu zokonzanso, cellulose zimathandizira kukulitsa chitukuko chokhazikika ndi zinthu zosiyanasiyana. Kupitiliza kufufuza ndi njira za ukadaulo mu ma cellulose pokonza ma cellulose ndikulonjeza kukulitsa ntchito zake komanso kuthana ndi zovuta zapadziko lonse lapansi zokhudzana ndi kuchuluka kwa zowonjezera komanso kukhazikika kwachilengedwe. Gulu likamapitilizabe kukhazikika ndi kusinthika komanso kuvomerezedwa, zomwe zidapangidwa ndi ma cellulose ndizokonzeka kusewera gawo lalikulu popanga tsogolo lobiriwira komanso lobiriwira.
Post Nthawi: Mar-06-2024