Isetyenziselwa ntoni i-cellulose ekwenzeni?

Njengomxube wendalo wepolymer, i-cellulose inoluhlu olubanzi lwezicelo kwimveliso. Isuka ikakhulu kwiindonga zeeseli zezityalo kwaye yenye yezona zinto zininzi zixutywe kwi-organic compounds emhlabeni. I-cellulose isetyenziswe ngokubanzi kwimveliso yamaphepha, i-textiles, iplastiki, izinto zokwakha, amayeza, ukutya kunye namanye amashishini ngenxa yesakhiwo sayo esisodwa se-molecular, ukuthotywa kokusingqongileyo kunye neempawu ezibalaseleyo zomzimba kunye neekhemikhali.

 

1. Ishishini lokwenza amaphepha

Imboni yokwenza iphepha yintsimi yesicelo esiphambili se-cellulose. Iintsinga zezityalo zingenziwa zibe yipulp emva konyango lomatshini okanye lwekhemikhali. I-cellulose inika amandla kunye nokuqina njengeyona nto iphambili kule nkqubo. Kwinkqubo yokwenza iphepha, ukuxutywa kwamanzi, ukugudisa kunye namandla okuqina kwephepha kunokulawulwa ngokufaka izongezo zekhemikhali kunye nokusebenzisa imidibaniso eyahlukeneyo yefiber. Ukuvela kwephepha elihlaziyiweyo kugxininisa ngakumbi ukuzinza kunye nokuphinda kusetyenziswe i-cellulose, okwenza kube luncedo ngakumbi kwizinto ezihambelana nokusingqongileyo.

 

2. Ishishini leempahla

Iintsinga zeCellulose (ezifana nomqhaphu) zisetyenziswa kakhulu ekwenzeni amalaphu njengezona zinto zisisiseko kushishino lwelaphu. Imicu yekotton iqulethe ngaphezu kwe-90% ye-cellulose, eyenza ibe yinto ethambileyo, i-hygroscopic, iphefumula kunye nezinye iimpawu ezibalaseleyo, ezifanelekileyo ukuveliswa kweentlobo ezahlukeneyo zempahla. Kwiminyaka yakutshanje, iifayibha ze-cellulose zinokunyangwa ngokwekhemikhali ukuze zenze iifayibha ze-cellulose ezihlaziyiweyo ezifana ne-viscose fibers kunye ne-modal fibers, ukwandisa ngakumbi ukusetyenziswa kwe-cellulose kumashishini e-textile. Le micu ayilulanga kwaye ikhululekile nje kuphela, kodwa ineempawu ezintle zokulwa ne-antibacterial kunye ne-biodegradable.

 

3. I-Bioplastics kunye ne-biodegradable materials

I-Cellulose ingasetyenziselwa ukwenza iiplastiki ze-biodegradable kwi-industry yeplastiki, enye yezikhokelo zophando ezibalulekileyo zokusombulula ingxaki "yokungcola okumhlophe". Ngokucubungula i-cellulose kwi-cellulose acetate okanye i-ether cellulose, ingasetyenziselwa ukwenza iifilimu zeplastiki ze-eco-friendly, i-tableware, njl. Ezi zixhobo zinozinzo oluqinileyo lweekhemikhali kunye neempawu ezibonakalayo, kwaye kulula ukuthotywa kwimeko yendalo, ukunciphisa impembelelo inkunkuma yeplastiki kwindalo esingqongileyo.

 

4. Izinto zokwakha

Kwishishini lokwakha, i-cellulose isetyenziswa ngokubanzi ukwenza iibhodi ze-fiber ze-samente, iibhodi ze-gypsum eziqiniswe kwifiber kunye nezixhobo zokufakelwa kwe-thermal. Ukudibanisa iifiber ze-cellulose kunye nezinye izinto kunokonyusa ukuchasana kwazo, amandla okuqina, kunye nokuphucula ukugqunywa kwe-thermal kunye nokugquma isandi. Ngokomzekelo, i-cellulose i-thermal insulation material yinto ehambelana nokusingqongileyo ye-thermal insulation material. Ngokufaka i-cellulose powder okanye i-cellulose particles eludongeni lwesakhiwo, iyakwazi ukukhupha ngokufanelekileyo kunye nokunciphisa ingxolo, kunye neempawu zayo zendalo ezinobungqina bezinambuzane zenza ukuba zisetyenziswe ngokubanzi ekwakheni.

 

5. Ishishini lokutya kunye namayeza

I-cellulose derivatives efana ne-carboxymethyl cellulose (CMC) kunye ne-methyl cellulose (MC) nazo zinezicelo ezibalulekileyo kumashishini okutya kunye namayeza. I-Carboxymethyl cellulose isetyenziswa ngokubanzi njenge-thickener, stabilizer kunye ne-emulsifier ekutyeni, ngelixa i-methyl cellulose isoloko isetyenziswa njenge-disintegrant kwiipilisi ngenxa yokubambelela kwayo kakuhle kunye ne-biocompatibility. Ukongeza, i-cellulose inokongezwa ekutyeni njengefayibha yokutya ukunceda abantu ukuphucula impilo yamathumbu.

 

6. Ishishini lezithambiso

I-cellulose isoloko isetyenziswa njenge-thickener kunye ne-stabilizer kwi-cosmetics. Ngokomzekelo, i-carboxymethyl cellulose eqhelekileyo kunye ne-microcrystalline cellulose inokunyusa i-viscosity kunye nokuzinza kwezithambiso kunye nokuphepha ukucwangciswa kwezithako. Ukongezelela, ukuthotywa kunye nokungabikho kwetyhefu ye-cellulose kwenza ukuba ilungele ukusetyenziswa kwiimveliso zokucoca, iimveliso zokunakekelwa kwesikhumba kunye ne-makeup.

 

7. Izinto ezihambelana nokusingqongileyo kunye nezixhobo zokucoca

Ngenxa yesakhiwo se-porous kunye ne-adsorption efanelekileyo ye-cellulose, isetyenziswa ngakumbi kwizinto zokucoca. I-cellulose membranes kunye ne-cellulose nanofibers zisetyenziselwa ukuhluza umoya, unyango lwamanzi kunye nokunyangwa kwamanzi amdaka amashishini. Izinto zokucoca i-cellulose azikwazi ukususa kuphela iinqununu ezimisiweyo, kodwa ziphinde zibhengeze izinto ezinobungozi, kunye neenzuzo zokusebenza okuphezulu kunye nokukhuselwa kwendalo. Ukongezelela, uphando lwesicelo se-cellulose nanofibers lwenza ukuba lube namandla amakhulu kwixesha elizayo lokuhluza kunye namashishini okukhusela okusingqongileyo.

 

8. Intsimi yamandla

I-Cellulose biomass iye yatsala ingqalelo enkulu kwintsimi yamandla. I-Cellulose inokuvelisa amandla avuselelekayo afana ne-bioethanol kunye ne-biodiesel ngokusebenzisa i-biodegradation kunye ne-fermentation. Xa kuthelekiswa namandla epetrochemical, iimveliso zokutsha zamandla e-biomass zihambelana nokusingqongileyo kwaye zihambelana nengqikelelo yophuhliso oluzinzileyo. Itekhnoloji yokuvelisa i-cellulose biofuel iphucula ngokuthe ngcembe, ibonelela ngamathuba amatsha kumandla acocekileyo kwixesha elizayo.

 

9. Ukusetyenziswa kwe-nanotechnology

I-cellulose nanofibers (CNF) yinkqubela ebalulekileyo kuphando lwe-cellulose kwiminyaka yamuva. Ngenxa yamandla abo aphezulu, ukuxinana okuphantsi kunye ne-biocompatibility efanelekileyo, zisetyenziswa ngokubanzi kwizinto ezahlukeneyo ezidibeneyo. Ukongezwa kwe-cellulose nanofibers kunokuphucula kakhulu iimpawu zemishini yezinto ezidibeneyo, kwaye xa kuthelekiswa namanye ama-nanomaterials, i-cellulose nanofibers ihlaziywa kwaye i-biodegradable, ngoko ke inamandla amakhulu kwizixhobo zombane, i-sensors, implants yonyango kunye nezixhobo eziphezulu zokusebenza.

 

10. Ukushicilela kunye neteknoloji ye-inkjet

Kwiteknoloji yokushicilela kunye ne-inkjet, i-cellulose derivatives isetyenziselwa ukuphucula i-fluidity kunye ne-adsorption yee-inki, okwenza umphumo wokushicilela ube yinto efanayo. Kwii-inkjet zokuprinta, i-cellulose inokwenza imibala igcwele kwaye icace. Ukongeza, ukungafihli kunye namandla e-cellulose kunokuphucula umgangatho wephepha eliprintiweyo kunye nokunciphisa ukusabalalisa kwe-inki, ngaloo ndlela kwenza iimveliso eziprintiweyo eziphezulu.

 

Njengemathiriyeli yepolymer ehlaziyiweyo nenokonakala, iselulosi iye yaba yenye yezinto ezibalulekileyo kwimveliso yanamhlanje. Ukusetyenziswa kwayo okubanzi kwiinkalo ezahlukeneyo kubonisa ukuhlukahluka kwayo kunye nokukhuselwa kwendalo, kwaye ikhuthaza ukuguqulwa kohlaza kwamashishini amaninzi. Kwixesha elizayo, kunye nophuhliso oluqhubekayo lwesayensi kunye nobuchwepheshe kunye nokuphumelela kwe-cellulose nanotechnology, ukusetyenziswa kwe-cellulose kuya kuba neentlobo ezahlukeneyo.


Ixesha lokuposa: Nov-01-2024