Izingubo zokugqoka bezilokhu ziyingxenye ebalulekile yezimboni ezihlukahlukene, kusukela kwezokwakha kanye nezimoto kuya emaphaketheni nasefenisha. Opende bafeza izinhloso eziningi njengokuhlobisa, ukuvikela, ukumelana nokugqwala nokulondolozwa. Njengoba isidingo sezingubo zokumboza ezisezingeni eliphezulu, ezisimeme kanye nemvelo sikhula, ukusetshenziswa kwama-cellulose ethers embonini yokumboza kuye kwanda.
Ama-cellulose ethers ayikilasi lama-polymers akhiqizwa ukuguqulwa kwamakhemikhali e-cellulose, i-polymer yemvelo etholakala ezindongeni zamaseli ezitshalo. Ukuguqulwa kwe-cellulose kuholela ekwakhekeni kwama-cellulose ethers, anezinto ezifana nokuncibilika kwamanzi, i-viscosity, nekhono lokwenza ifilimu.
Enye yezinzuzo eziyinhloko zama-cellulose ethers yikhono lawo lokusebenza njengama-thickeners ekwakhiweni kokumboza. Badlala indima ebalulekile ekuzuzeni i-viscosity edingekayo, ukuqinisekisa ukusetshenziswa okufanele kwe-coating kanye nokwakheka kwefilimu. Ngaphezu kwalokho, bahlinzeka ngezakhiwo ezithuthukisiwe ze-rheological ezimbotsheni, njengokulawula ukugeleza okungcono kanye nezakhiwo zokulinganisa.
Ngaphezu kwezakhiwo zokujiya, ama-cellulose ether ahlinzeka ngezinzuzo eziningi ekwakhiweni kokumboza. Isibonelo, bangakwazi ukuthuthukisa ukunamathela kwezingubo kuma-substrates, bathuthukise ukumelana kwamanzi kwezingubo, futhi bakhulise ukuqina nokuguquguquka kwamafilimu okugcoba. Ngaphezu kwalokho, banephunga eliphansi, ubuthi obuphansi, futhi bayahambisana nezinhlobonhlobo zezinye izinto zokusetshenziswa zokugqoka, kufaka phakathi ama-pigment, ama-extender nama-resin.
Ama-cellulose ethers asetshenziswa kakhulu embonini yokumboza ngezinhlobonhlobo zokusetshenziswa, okubandakanya ukumbozwa kwezakhiwo, ukumbozwa ngokhuni, ukumbozwa kwezimboni kanye noyinki wokuphrinta. Ezingxenyeni zezakhiwo, zisetshenziselwa ukufeza ukumelana ne-sag edingekayo, i-brushability kanye nezakhiwo zokulinganisa. Ukwengeza, bandisa ukumelana namanzi kwalezi zimbotshana, okubalulekile ekusetshenzisweni kwangaphandle. Ezimpahleni zokhuni, zinikeza ukunamathela okudingekayo kanye nokuguquguquka okudingekayo ukuze ubonakale ngaphandle futhi zisiza ukuvikela emisebeni ye-UV eyingozi. Ezingxenyeni zezimboni, ama-cellulose ethers athuthukisa ukumelana nokuhuzuka kwezingubo, okwenza kube lula ukusetshenziswa emishinini esindayo, amapayipi kanye nemishini. Koyinki wokuphrinta, asebenza njengezilungisi ze-viscosity, athuthukisa ukudluliswa kwe-inki kanye nekhwalithi yokuphrinta.
Enye yezinye izinzuzo ezibalulekile zama-cellulose ethers ukuhambisana kwawo nemvelo. Ziyakwazi ukuvuselelwa futhi biodegradable, okwenza kube impahla eluhlaza esimeme. Ukwengeza, anomthelela omncane emvelweni nempilo yabantu ngoba awanabo ubuthi futhi awakhiqizi imikhiqizo eyingozi ngesikhathi sokukhiqiza, ukusetshenziswa noma ukulahlwa.
Ama-cellulose ethers abe yizithako ezibalulekile embonini yokugqoka, ekhonza izinjongo ezihlukahlukene ezihlanganisa ukuqina, ukumelana kwamanzi nokunamathela. Izakhiwo zayo ezinhle kakhulu ze-rheological, ukuhambisana nezinye izinto zokusetshenziswa zokugqoka kanye nokusimama kwenza kube inketho ekhangayo kubakhiqizi bokugqoka. Ngokubaluleka okwandayo kokusimama kanye nobungane bemvelo, ama-cellulose ethers cishe azobaluleke kakhulu embonini yezingubo zokumboza esikhathini esizayo.
Isikhathi sokuthumela: Sep-25-2023