I-cellulose ethers yiklasi ebalulekileyo ye-polymer derivatives yendalo, esetyenziswa ngokubanzi kwiindawo ezininzi zoshishino kunye neendawo zokuhlala. I-cellulose ethers zimveliso zeselulosi ezilungisiweyo ezenziwe ngokudibanisa i-cellulose yendalo kunye neekhompawundi ze-ether ngokusabela kweekhemikhali. Ngokwamalungu ahlukeneyo, i-cellulose ethers inokwahlulwa ibe yi-methyl cellulose (MC), i-hydroxypropyl methyl cellulose (HPMC), i-carboxymethyl cellulose (CMC) kunye nezinye iindidi. Ezi mveliso zinokutyeba okuhle, ukudibanisa, ukwenza ifilimu, ukugcinwa kwamanzi, ukuthambisa kunye nezinye iipropathi, ngoko ke zisetyenziswa ngokubanzi kulwakhiwo, amayeza, ukutya, izithambiso, ukutsalwa kweoli, ukwenza iphepha kunye namanye amashishini.
1. Ishishini lokwakha
I-cellulose ethers idlala indima ebalulekileyo kwizinto zokwakha, ngokukodwa kumdaka owomileyo, i-putty powder, ii-coatings kunye ne-tile adhesives. Imisebenzi yayo ephambili ibandakanya ukuqina, ukugcinwa kwamanzi, ukuthambisa kunye nokuphuculwa komsebenzi wokwakha. Umzekelo:
Isiphumo sokuqina: I-Cellulose ethers inokunyusa i-viscosity yodaka kunye ne-coatings, izenze zibe ngcono ekwakhiweni kwaye zithintele ukudilika.
Ukugcinwa kwamanzi: Kwindawo eyomileyo, i-cellulose ether inokugcina ngokufanelekileyo umswakama, ithintele amanzi ukuba aphume ngokukhawuleza, iqinisekise ukuhanjiswa okupheleleyo kwezinto ze-cementitious ezifana ne-samente okanye i-gypsum, kunye nokuphucula amandla okubambisana kunye nokusebenza kwezinto eziphathekayo.
Ukuphucula ukusebenza kolwakhiwo: I-ether ye-cellulose inokuphucula i-lubricity yezinto zokwakha, iyenze ibe lula ngexesha lokwakha, kulula ukuyisebenzisa okanye ukubeka, kunye nokuphucula ukusebenza kakuhle kokwakhiwa kunye nomgangatho ophezulu.
2. Ishishini lamachiza
Kwintsimi yamachiza, i-cellulose ether isetyenziswa ngokubanzi kumalungiselelo eziyobisi, iipilisi zeepilisi, kunye nabathwali beziyobisi ezizinzileyo. Ukusetyenziswa okuqhelekileyo kubandakanya:
Ukubumba ithebhulethi: I-ether ye-cellulose, njenge-binder kunye ne-disintegrant yamacwecwe, inokukhuthaza ngokufanelekileyo ukubunjwa kwamacwecwe kwaye idibanise ngokukhawuleza xa ithathwa ukuze kuqinisekiswe ukuxutywa kweziyobisi.
Inkqubo yokukhululwa elawulwayo: Ezinye ii-ether ze-cellulose zineepropati ezilungileyo zokwenza ifilimu kunye neempawu zokunciphisa ukulawulwa, ngoko zihlala zisetyenziselwa ukulungiswa kweziyobisi ezikhutshwa ngokuqhubekayo, ezinokulawula izinga lokukhutshwa kweziyobisi emzimbeni womntu kunye nokwandisa ukusebenza kweziyobisi. .
I-Capsule coating: Ipropati yokwenza ifilimu ye-cellulose ether yenza ukuba ibe yinto efanelekileyo yokugqoka iziyobisi, enokuthi ihlukanise iziyobisi kwindawo yangaphandle, igweme i-oxidation kunye ne-hydrolysis yamachiza, kunye nokwandisa ukuzinza kweziyobisi.
3. Ishishini lokutya
Kwishishini lokutya, i-cellulose ethers isetyenziswa ngokubanzi njengezongezo, ngakumbi kwizinto ezibhakiweyo, iimveliso zobisi, iziselo kunye nokutya okufriziwe. Imisebenzi yayo ephambili ibandakanya:
Thickener: I-Cellulose ethers inokunyusa i-viscosity yokutya okungamanzi, iphucule incasa, kwaye yenze iimveliso zibe nesakhiwo ngakumbi kwaye zishinyene. Zidla ngokusetyenziswa ekutyeni okufana neesosi, iijeli, neekhrimu.
I-Stabilizer: I-cellulose ethers, njenge-emulsifiers kunye ne-stabilizers, inokuthintela ngokufanelekileyo ukuhlukana kweoli kunye namanzi ekutya kunye nokuqinisekisa ukuhambelana kunye nomgangatho weemveliso.
I-Humectant: Ekutyeni okubhakiweyo, i-cellulose ethers inokunceda inhlama igcine umswakama, ikhusele ukulahlekelwa kwamanzi amaninzi ngexesha lokubhaka, kwaye iqinisekise ukuthamba kunye nencasa yemveliso egqityiweyo.
4. Ishishini lezithambiso
Ukusetyenziswa kwe-cellulose ethers kwishishini lezinto zokuthambisa kubonakaliswa ikakhulu kwiimveliso zokhathalelo lwesikhumba, iishampu, izicoci zobuso kunye neemveliso zokuthambisa. Ubumanzi bayo obugqwesileyo, ukuqina, ukwenza ifilimu kunye neempawu zokuzinzisa zenza ukuba ibe yinto ebalulekileyo kwiifomyula zokuthambisa. Umzekelo:
I-Moisturizer: I-Cellulose ethers inokwenza ifilimu ekhuselayo ukuvala ukufuma kumphezulu wolusu kwaye incede ulusu luhlale lufumile.
I-Thickener: Njenge-thickener, i-cellulose ether inika iimveliso ze-cosmetic ukuhambelana okufanelekileyo, okwenza kube lula ukuzisebenzisa kunye nokufunxa, kunye nokuphucula amava omsebenzisi.
I-Emulsifier: I-ether ye-cellulose inokuzinzisa i-emulsions, ithintele i-oil-water stratification, kunye nokugcina uzinzo kwiifomyula zokuthambisa.
5. Ishishini lokutsalwa kwe-oyile
Ukusetyenziswa kwe-cellulose ether kwi-extraction ye-oyile ibonakaliswe ngokukodwa ekulungiseleleni ulwelo lokugaya kunye nolwelo oluqhekezayo. I-ether ye-cellulose ingasetyenziswa njenge-thickener, isinciphisi sokulahleka kolwelo kunye nokuzinzisa ukuphucula ukusebenza kolwelo lokomba. Umzekelo:
Thickener: I-Cellulose ether inokunyusa i-viscosity yolwelo lokomba, incede ukuxhoma kunye nokuthwala i-drill cuttings, kwaye ithintele ukudilika kodonga lwequla.
Isinciphisi sokulahleka kolwelo: Phantsi kobushushu obuphezulu kunye neemeko zoxinzelelo oluphezulu, i-cellulose ether inokunciphisa ilahleko yolwelo lolwelo lokomba, ikhusele iileya zeoyile kunye neendonga zamaqula, kunye nokuphucula ukusebenza kakuhle.
6. Ishishini lokwenza amaphepha
Kwishishini lephepha, i-cellulose ether isetyenziselwa ukuqinisa, i-agent yokugqoka kunye ne-agent-forming agent yephepha. Inokuphucula ukomelela, ukukhazimla kunye nokuguda kwephepha kunye nokuphucula ukuguquguquka koshicilelo. Umzekelo:
I-Reinforcer: I-ether ye-Cellulose inokuphucula amandla okudibanisa phakathi kwe-pulp fibers, ukwenza iphepha lomelele kwaye lomelele ngakumbi.
I-ejenti yokwambathisa: Kwinkqubo yokwaleka kwephepha, i-cellulose ether inokunceda i-coating isasazwe ngokulinganayo, iphucule ukugudiswa kunye nokuguquguquka kokushicilela kwephepha.
I-agent eyenza ifilimu: I-ether ye-cellulose yenza ifilimu encinci phezu kwephepha, inyusa ukuxhathisa ukufuma kunye nokuqina kwephepha.
7. Amanye amashishini
I-ether ye-cellulose isetyenziswa ngokubanzi kwamanye amashishini, njengempahla, isikhumba, izinto zombane, ukhuseleko lokusingqongileyo kunye nezinye iinkalo. Kushishino olulukiweyo, i-cellulose ether ingasetyenziselwa ukulinganisa umsonto, ukugqiba ilaphu kunye nokusasazwa kwedayi; ekulungisweni kwesikhumba, i-cellulose ether ingasetyenziselwa njenge-thickener kunye ne-agent yokugqoka; kwintsimi yokukhusela indalo, i-cellulose ether ingasetyenziselwa njenge-flocculant kunye ne-adsorbent kunyango lwamanzi kunyango lwamanzi amdaka.
Njengemveliso eguqulwayo yezinto zepolymer zendalo, i-cellulose ether idlala indima ebalulekileyo kwiinkalo ezininzi ezifana nokwakhiwa, amayeza, ukutya, izimonyo, ukukhutshwa kweoli, i-papermaking, njl. kunye nokuqina okugqwesileyo, ukugcinwa kwamanzi, ukubunjwa kwefilimu, ukuzinza kunye nezinye iimpawu . Ngenkqubela phambili eqhubekayo yetekhnoloji, umda wesicelo kunye nokusebenza kwee-cellulose ethers kusakhula. Kwixesha elizayo, i-cellulose ethers kulindeleke ukuba ibonise amandla amaninzi kunye nexabiso lesicelo kwizinto eziluhlaza kunye nezobume bendalo, amalungiselelo amatsha amayeza kunye nezixhobo ezihlakaniphile.
Ixesha lokuposa: Sep-13-2024