Ukusetshenziswa kwe-carboxy methyl cellulose (CMC) embonini yamaphepha

I-Carboxy Methyl Cellulose (CMC) iyinhlangano etholwa yi-callulose enamaqembu e-carboxymethyl (-ch2-cooh) eboshelwe amanye amaqembu ama-hydroxyl. I-polymer ebalulekile yezimboni ngenxa yezakhiwo zayo ezihlukile njengokubonakala okuphezulu, okungeyona ubuthi, kanye ne-solubity enhle kakhulu yamanzi. Embonini yamaphepha, i-CMC idlala indima ebalulekile ekuthuthukiseni ikhwalithi nokusebenza kahle kokukhiqizwa kwamaphepha.
Izakhiwo ze-CMC ezifanele embonini yamaphepha
I-Solubity yamanzi nokubonakala: I-CMC ihlanganisa kalula emanzini, yakha izixazululo ezicacile, ezibonakalayo. Le mpahla ibalulekile ekusebenziseni kwayo embonweni wamaphepha kanye nokusiza izicelo lapho kudingeka zisatshalaliswe ngokulinganayo.
Ikhono elenziwayo lefilimu: I-CMC ingakha amafilimu, okunenzuzo kokulashwa okungaphezulu kanye nokumboza ukuthuthukisa ukuphrinta kwephepha nokubukeka.
Izakhiwo ezinamathela: isebenza njenge-binder, ngcono ukuhlangana phakathi kwemicu kanye nama-filler ephepheni matrix.
Okungelona ubuthi: Ukuba yinto engeyona into enobuthi kanye ne-biodegladable, i-CMC ihlangana namazinga wezemvelo nezokuphepha embonini yamaphepha.

Izicelo ze-CMC embonini yamaphepha
Ukulinganisa okungaphezulu:
Ukulinganisa okungaphezulu inqubo yokusebenzisa isisombululo ebusweni bephepha ukuthuthukisa amandla alo nokuphrinta. I-CMC isetshenziswa kakhulu ekwakhekeni kwesayizi ebusweni ngoba ithuthukisa amandla angaphezulu, yehlisa uthuli, futhi inikeze indawo ebushelelezi neyunifomu. Isixazululo se-viscous se-CMC sakha ifilimu phezu kwemicu yamaphepha, ukwanda kokumelana namanzi nama-inks, ngaleyo ndlela kuthuthukise ikhwalithi yokuphrinta nokunciphisa i-ink ephuma.

I-coating:
I-CMC isetshenziswa kabanzi ekwakhiweni kwamapheshana. Izimbozo zisetshenziselwa ephepheni ukuthuthukisa ukugqama, ukushelela, kanye nokuphrinta. I-CMC isebenza njenge-binder kulezi zimbozo, ibambe imibala kanye nokuzibopha ephepheni. Lokhu kuphumela ekuqedeni komfaniswano futhi okucwebezelayo, ukuthuthukisa isikhalazo esibonakalayo nokusebenza okusebenzayo kwephepha. Ngaphezu kwalokho, impahla ekwakheka ifilimu ye-CMC isiza ekwakheni isithiyo esingavikela izinto eziphrintiwe.

Ukuphuculwa kwamandla ephepha:
I-CMC ithuthukisa amandla emishini yephepha. Uma kungezwe epulpini, kuthuthukisa ukubopha izibopho phakathi kwemicu, okuholele emandleni ashukumisayo, ukuqhuma amandla, nokukhuthazela. Lokhu kubaluleke kakhulu kumaphepha aphezulu okuphrinta, izinto zokupakisha, namanye amaphepha akhethekile lapho amandla kuyisici esibucayi.

I-Retation Aids:
Ehlelweni elimanzi lokuphela kwemisebenzi ye-papermang, CMC njengensiza yokugcinwa kabusha, isiza ukugcina izinhlayiya ezinhle kanye nama-filler ngaphakathi kwe-matrix yephepha. Lokhu akugcini nje ngokuthuthukisa ukufana kwamaphepha nokubukeka kwalolu mbono kodwa futhi kuthuthukisa ukusebenza kahle kwenqubo yokuphamba ngokunciphisa ukulahlekelwa kwezinto ezibalulekile emanzi angcolile.

Isitholi se-Rheology:
I-CMC isetshenziswa njengendlela yokuguqula i-Rheology kwinqubo yokuphambana yokulawula ukugeleza kwezindawo zokubekwa kwamanzi okunqunyelwa kanye nokuqamba. Ngokushintsha i-viscosity, i-CMC iqinisekisa ukusebenza okubushelelezi kwemishini nokusatshalaliswa kwezimbozo, okuholela kumkhiqizo oguqukayo futhi osezingeni eliphakeme.

Adhesives kanye ne-glues:
Izakhiwo ezinamathelayo ze-CMC zikwenza kube yingxenye ebalulekile ekukhiqizweni kwama-adhesives amaphepha kanye nezithombe. Inika amandla amahle kakhulu obusolwa, kulula ukuyisebenzisa, futhi iphephile ukuze isetshenziswe emikhiqizweni ephepheni ehlukahlukene, kufaka phakathi lezo ezisetshenziswa ekupakisweni kokudla.

Izakhiwo ezibanda:
I-CMC ingakhulisa izakhiwo zesithiyo, okwenza kube ukumelana kakhulu namafutha, amafutha nomswakama. Lokhu kuwusizo ikakhulukazi kwizicelo zokufaka lapho ukuvikelwa ezintweni zezemvelo kubalulekile. Amaphepha aphethwe yi-CMC angasetshenziselwa ukupakisha izinto zokudla, enikeza enye indlela ehlukile ne-esimeme yezembatho zepulasitiki.

Ukwelashwa kwamanzi amdaka:
Ngesikhathi senqubo yokuphambana, kusetshenziswa amavolumu amakhulu amanzi futhi kamuva aphathwe ngaphambi kokuba akhishwe noma asebenze kabusha. I-CMC ingasiza ekwelapheni kwamanzi amdaka ngokwenza njenge-flocculant, isiza ukususa ama-solids amisiwe nokunye okungcolile. Lokhu kunomthelela ezindleleni zokuphathwa kwamanzi ezisebenza kahle nezemvelo ngaphakathi embonini yamaphepha.

Izindlela zokusebenza
Ukusebenzisana kwefayibha:
I-CMC ixhumana nemicu ye-cellulose nge-hydrogen bonding kanye namabutho we-van der Waals, athuthukisa ukubopha nge-fiber-to-fiber. Lokhu kuhlangana kubalulekile ekuthuthukiseni izakhiwo zemishini yephepha, njengoba kwandisa ukubumbana nokunamathela phakathi kwemicu yomuntu ngamunye.

Ukwakheka kwamafilimu:
Lapho i-CMC isetshenziswa ephepheni lephepha, yakha ifilimu eqhubekayo engavumelanisa imicu kanye nama-filler. Le filimu isebenza njengesithiyo emanzini namafutha, ithuthukisa ukumelana kwamaphepha kulezi zinto kanye nokwenza ngcono ukuphrinta kwayo.

Ukulawulwa Kwe-Viscosity:
Ngokushintsha ukubonakala kwezimbozo nokumiswa, i-CMC iqinisekisa ukusetshenziswa nokusatshalaliswa. Lokhu kubalulekile ekufezeni izigqoko ezifanayo kanye nekhwalithi engaguquki kumkhiqizo wephepha lokugcina.

Indlela yokugcina:
I-CMC ithuthukisa ukugcinwa kwabaphangi kanye nezinhlayiya ezinhle ku-matrix yephepha ngokusebenza njenge-flecculant. Ihlanganisa lezi zinhlayiya ezincane kube ezinkulu ezigcinwa kalula kunethiwekhi ye-fibrous, ngaleyo ndlela ithuthukise izakhiwo zephepha kanye nokunciphisa ukulahleka kwezinto ezibonakalayo.

Izinzuzo zokusebenzisa i-CMC embonini yamaphepha
Ikhwalithi Ethuthukile:
Ukusetshenziswa kwemiphumela ye-CMC emikhiqizweni yamaphepha asezingeni eliphakeme ngokuphrinta okuthuthukile, amandla, nokubukeka. Lokhu kubaluleke kakhulu kwizicelo eziphezulu ezinjengekupakisha, ukuphrinta, namaphepha akhethekile.

Ukusebenza kwezindleko:
Ngokwenza ngcono ukugcinwa kanye nokunciphisa ukulahleka kwezinto ezibonakalayo, i-CMC inomthelela ezinqubweni zokukhiqiza ezingabizi kakhulu. Kubuye kuthuthukise ukusebenza kwezimbozo kanye nokunamathela, kunciphisa isidingo sezengezo nokwelashwa okwengeziwe.

Ukusimama Kwezemvelo:
I-CMC iyinto ebonakalayo engathandeki futhi engeyona enobuthi, okwenza kube yikhethelo lemvelo embonini yamaphepha. Ukusetshenziswa kwayo kungasiza ekunciphiseni umthelela wezemvelo wokukhiqizwa kwamaphepha, ikakhulukazi ngokwemigomo yokwelashwa kwamanzi ongcolile kanye nokwehliswa kwezithasiselo zokwenziwa.

Okuhlukahlukene:
Ukuguquguquka okuhlukahlukene kwe-CMC kuvumela ukuthi kusetshenziswe ezigabeni ezahlukahlukene zokukhiqizwa kwamaphepha, kusuka ekwelashweni kwePulp ku-Surface Ukuqeda. Lokhu kwenza kube yisengezo esibalulekile esisebenzayo esingabhekana nezidingo eziningi ngaphakathi embonini.

I-Carboxy methyl cellulose (CMC) idlala indima ebaluleke kakhulu embonini yamaphepha, inikeza uhla lwezinzuzo ezivela kwikhwalithi yomkhiqizo ethuthukisiwe ukuze ithuthukiswe ukusebenza komkhiqizo nokusimama kwemvelo. Izakhiwo zayo ezihlukile zikwenza kube isengezo esisemqoka ekuthambekeni komhlaba, ukunamathela, ukuthuthukiswa kwamandla, nezinye izinhlelo eziningi. Njengoba imboni iqhubeka nokufuna izindlela zokukhiqiza ezizinzile nezisebenzayo, iqhaza le-CMC kungenzeka libaluleke ngokwengeziwe, linomthelela ekuthuthukisweni kwekhwalithi ephezulu nemikhiqizo eminingi ye-Eco-Friendly Paper.