Cellulose ke polysaccharide e tšoasang e-ba-e-'mele e sa qualleng metsi. Li-Tickeners tse tsoang cellulo ke li-polymers tse sa bonoheng tsa metsi. Nalane ea eona ea tšebeliso e telele haholo, lilemo tse fetang 30, 'me ho na le mefuta e mengata. Li sebelisoa hoo e batlang e le lipere tsa latex 'me ke tsona tse ikhethang tsa lithibelo. Masholu a maphanke a Li-Cellulous a sebetsa haholo ka mekhoa e nang le seliba hobane ba holisa metsi ka bo bona. Indastering ea Paint, mekhoa e tloaelehileng ea selefounu e sebelisitsoeng hangata ke ena:Methyl cerelosese (MC), hydroxeeyl celloulose (Hec), Ethyl hydroxeyyl celzuloseHydroxypropypropyLe cellulolose (HPMC)le hydrophobied hydromphlethyl conlulose (HMHEC). Hec ke polysaccharide ea polysaccharide e sebelisitsoeng haholo ka ho hlasimolla ea Matt le bohareng ba meralo ea morao-rao. Li-thickeners li fumaneha ka limaraka tse fapaneng tsa li-viscosity le li-thickered ka cellulose ena e na le mokhoa o nepahetseng oa ho boloka mebala le ho boloka polokelo.
Boemo ba ho leola, anti-splash, thepa e etsang filimi le e thibelang filimi ea Compele e itšetlehile ka boima ba limoleketsi tsaHec. Hec le tse ling tse sa lumellaneng tse sa lumellaneng tsa metsi li ile tsa tiisa karolo ea maiketsetso ea koae. Li-thickenant tse bolotsana li ka sebelisoa ke le mong kapa li kopantsoe le li-opeckered tse ling ho fumana Rheology e khethehileng. Bo-'mè ba nang le lisele cellular le limaraka tse fapaneng tsa lisele, ba ho tloha ho pono ea balek'hule ea balek'hule ea balek'hule ea basetsi ba 100 000 mpō s. Boholo ba limaraka tsa molek'hule hangata li sebelisoa e le li-colloids tse sireletsang tse tlotsitsoeng ea latex pente ea lipalesa tsa latex pelymerization, 'me boholo ba 400-50 000. Mokhoa oa mofuta ona oa Thckener o bakoa ke hydrate e phahameng ea li-hydrogen le ho kenella lipakeng tsa liketane tsa molek'hule.
Clelelese ea setso ke boima bo phahameng ba limolecular ea nama ea khomo e tšolotsoeng haholo ka ho kena ka thoko ho liketane tse pakeng tsa chains chinese. Ka lebaka la Visionity e phahameng ka sekhahla se tlase ka sekhahla se tlase, setša sa ho paka se futsanehile, 'me se ama gross ea filimi ea koae. Ka lebelo le phahameng, vicosity e tlase, ho hanyetsa ho hanyetsa filimi ea Coating ho mafutsana, 'me botlalo ba filimi e koahelang ha se hantle. Litšobotsi tsa kopo tsa Hec, tse kang ho itlotsa bora, ho ipolaea le rolar spter, li amana ka kotloloho le khetho ea thickener. Hape thepa ea eona ea ho phalla e kang ho lekanya le ho hanyetsa ho hanyetsa ho angoa haholo ke lithibelo.
Hydrophophobilly e fetohileng (hmhec) ke tente ea hydrophobic likeleli tse ling tse telele (li-cell tse telele tsa li-alkyl tse kholo tsa sebopeho). Coating ena e na le pono e phahameng ka litefiso tse phahameng ka nako e telele, ka hona e le hantle. Joalo ka Chefool Plus Grevention 330, 331, Cellosesize SG-100, Bermocoll EHM-100. Phello ea eona ea tofatso e ka bapisoa le ea cellulolose etherners e nang le bongata bo boholo bo boholo ba moleng. E ntlafatsa viscotion le ho ba le maemo a ICI, le ho fokotsa tsitsipano ea bokaholimo. Mohlala, likhohlano tsa kahare tsa Hec li ka ba ka bang 67 mn / m, 'me hmhec ea hmhec ke 55 ~ 65 mn / 65 mn / 65 mn / 65 mn / 65 mn / 65 mn / m.
HMHEC e na le lintho tse ntle haholo, tse thibelang mafu E sebelisoa haholo 'me e se na phello e mpe ho sebopeho sa filimi ea boholo ba karolo ea morao-rao. Ts'ebetso e ntle ea lifilimi le ts'ebetso ea lijalo tse thibelang. Bosholu bona bo ikhethileng bo sebetsa hantle ka litsamaiso tsa vinyl acetate li-copolelymer tse amanang le li-copolelymer tse tšoanang le tsa li-acpers tse tšoanang le tse ling tsa thibelo e ntle.
Nako ea ho romella: April 25-2024