Cellulose ke polysaccharide e etsang mefuta e fapaneng ya di-ether tse qhibilihang ka metsing. Di-thickeners tsa cellulose ke di-polymer tse sa qhibiliheng ka metsing tse seng tsa ionic. Nalane ya tshebediso ya tsona e telele haholo, e feta dilemo tse 30, mme ho na le mefuta e mengata. Di ntse di sebediswa hoo e batlang e le dipenteng tsohle tsa latex mme ke tsona tse ka sehloohong tsa di-thickeners. Di-thickeners tsa cellulose di sebetsa hantle haholo ditsamaisong tsa metsi hobane di thickener metsi ka botsona. Indastering ya pente, di-thickeners tsa cellulose tse sebediswang haholo ke:methyl cellulose (MC), hydroxyethyl cellulose (HEC), ethyl hydroxyethyl cellulose (EHEC), hydroxypropyl cellulose (HPC),hydroxypropyl methyl cellulose (HPMC)le hydroxyethyl cellulose e fetotsoeng ka hydrophobically. HEC ke polysaccharide e qhibilihang ka metsing e sebelisoang haholo ho tenyetseheng ha pente ea latex ea meralo ea matt le semi-gloss. Li-thickener li fumaneha ka mefuta e fapaneng ea viscosity 'me li-thickener tse nang le cellulose ena li na le 'mala o lumellanang hantle le botsitso ba polokelo.
Thepa ea ho leka-lekanya, ho thibela ho phatloha, ho theha filimi le ho thibela ho thella ha filimi e koahelang e itšetlehile ka boima ba limolek'hule baHEC. HEC le li-polymer tse ling tse sa amaneng le metsi tse qhibilihang metsing li teteanya karolo ea metsi ea sekoahelo. Li-thickeners tsa cellulose li ka sebelisoa li le ling kapa li kopantsoe le li-thickeners tse ling ho fumana rheology e khethehileng. Li-ether tsa cellulose li ka ba le boima bo fapaneng ba limolek'hule le maemo a fapaneng a viscosity, ho tloha tharollong e tlase ea metsi ea limolek'hule ea 2% e nang le viscosity ea hoo e ka bang 10 mP s ho ea ho viscosity e phahameng ea boima ba limolek'hule ea 100 000 mP s. Maemo a tlase a boima ba limolek'hule hangata a sebelisoa e le li-colloid tse sireletsang ho polymerization ea emulsion ea pente ea latex, 'me maemo a sebelisoang haholo (viscosity 4 800–50 000 mP·s) a sebelisoa e le li-thickeners. Mokhoa oa mofuta ona oa thickener o bakoa ke metsi a mangata a libofo tsa haedrojene le ho hokahana pakeng tsa liketane tsa limolek'hule.
Celulose ea setso ke polymer e boima bo phahameng ba limolek'hule e teteanang haholo-holo ka ho hokelloa ha liketane tsa limolek'hule. Ka lebaka la viscosity e phahameng ka sekhahla se tlase sa ho shear, thepa ea ho leka-lekanya e fokola, 'me e ama khanya ea filimi ea ho koahela. Ka sekhahla se phahameng sa ho shear, viscosity e tlase, khanyetso ea splash ea filimi ea ho koahela e fokola, 'me botlalo ba filimi ea ho koahela ha bo botle. Litšobotsi tsa ts'ebeliso ea HEC, joalo ka khanyetso ea borashe, ho etsa filimi le ho qhalana ha roller, li amana ka ho toba le khetho ea thickener. Hape litšobotsi tsa eona tsa phallo tse kang khanyetso ea ho leka-lekanya le ho sag li angoa haholo ke li-thickener.
Selulose e fetotsweng ka hydrophobically (HMHEC) ke sethibela-matla sa cellulose se nang le phetoho e sa hlokeng hydrophobic diketane tse ding tse nang le makala (dihlopha tse mmalwa tsa alkyl tse telele di kenngwa ketaneng e kgolo ya sebopeho). Seaparo sena se na le viscosity e phahameng ka sekgahla se phahameng sa ho kgaola mme ka hona se bopa filimi e betere. Jwalo ka Natrosol Plus Grade 330, 331, Cellosize SG-100, Bermocoll EHM-100. Phello ya yona ya ho teteana e tshwana le ya dithibela-matla tsa ether tsa cellulose tse nang le boima bo boholo ba dimolek'hule. E ntlafatsa viscosity le ho leka-lekana ha ICI, mme e fokotsa tsitsipano ya bokahodimo. Mohlala, tsitsipano ya bokahodimo ya HEC e ka ba 67 mN/m, mme tsitsipano ya bokahodimo ya HMHEC ke 55~65 mN/m.
HMHEC e na le bokgoni bo botle ba ho fafatsa, ho thibela ho thella, ho batalatsa, ho benya hantle le ho thibela mmala. E sebediswa haholo mme ha e na phello e mpe ho thehoeng ha filimi ya pente ya latex e nyane ya boholo ba dikarolwana. Tshebetso e ntle ya ho etsa filimi le tshebetso ya ho thibela ho bola. Sekgahla sena se ikgethang sa associative se sebetsa hantle le ditsamaiso tsa vinyl acetate copolymer mme se na le thepa e tshwanang le dikgahla tse ding tsa associative, empa ka diforomo tse bonolo.
Nako ea poso: Mmesa-25-2024