Hydroxethyl celdlousese (Hec) ke polyt e tloaelehileng ea metsi e sa quloang ka metsing e sebelisoang haholo masimong a lindasteri tsa indasteri. E hlahisoa haholo ke liphetoho tsa lik'hemik'hale tse kang ho iphetetsa le ho imeloa ke conly ea tlhaho. E na le thepa e ikhethang ea 'mele le ea lik'hemik'hale, e e etsa boitsebiso ba bohlokoa likolong tse ngata.
1. Sebopeho sa lik'hemik'hale le boima ba limolek'hule
Setsi sa mantlha sa hydroxethyl cem cellulose ke ketane ea selefouno e entsoeng ka limolek'hule tsa glucose. Maemong a mang a hydroxyl a kemiso ea eona ea li-baleculer, hydroxethyl (-ch2chchh4h) lihlopha li hlahisoa ka lebaka la karabelo ea li-athertic. Ka lebaka la kenyelletso ea lihlopha tsena, hydroxethyl conloulose le hydrophilic le ho feta, 'me e na le tharollo e nepahetseng ho feta cellulose e hloekileng. Ho latela litlhoko tse fapaneng tsa kopo, tekanyo ea sebaka (DS) le sar) ea hydroxethyl e ka lokisoa, le bokhoni bo matla. Ka kakaretso, boima ba kelello ba Hec bo pharalletse ho mashome a likete ho limilione tse ngata ho isa ho limilione tsa daltons, e e etsang e bontša hantle hore e bontše thepa ea rheological tharollo ea phetetso.
2. Libaka tsa metsi tsa metsi le boits'oaro ba ho qhibiliha
Ka lebaka la thepa ea eona e seng ea Ionic, hydroxethyl cllouddlese e batang le e chesang ho etsa tharollo ea li-viscous tse pepenoang. Sekhahla sa eona sa disfototion se itšetlehile ka boima ba limok'hule, ho na le mocheso oa limithara tse ngata le mocheso oa metsi. Mefuta e phahameng ea limolecular ea hec e qhibiliha butle butle empa e theha litharollo tse thata, ha boima ba 'mino bo tlase ba qhibiliha habonolo empa ba hlahisa li-viscosities tse tlase. Ka lebaka la tharollo ea eona ea khatello ea maikutlo ea eona, Hec o na le mamello e matla ho phatlo le li-elektronente mme li ka boloka boemo ba sona bo pharalletseng (2-12).
3. Thepa ea Thkening le Rheological
Sebopeho se seng se ikhethang ka ho fetisisa sa hec ke bokhoni ba bona bo tona. Ka meaho e tlase (0.5% -2%), li bontša litšobotsi tsa maro a pseudopromen, tse bolelang hore ha tharollo e fokotsehile Ntle le moo, hec e ka sebetsa le ho feta ka ceblexexethyl celbolose (cmc) le Xantan Gum ho ntlafatsa makhopho a ho holisa kapa a fetola rheology.
4. Ho tsitsa le ho lumellana
Hec o na le bokooa bo botle ba lik'hemik'hale 'me ha a tšoane le liphetoho tse mpe kapa tsa lik'hemik'hale tlas'a maemo a mangata. Tharollo ea eona e ka mamella mahlomoleng a phahameng a li-elektrone le ph ea phider, e etsang hore e be e tsitsitseng libakeng tse fapaneng tse fapaneng. Ntle le moo, hec e lumellana le lik'hemik'hale tse ling tse ngata tse kang li-nqhubu, li-polymers, li senyeheloa ke letsoai, joalo-joalo ho fana ka botsitso le litlamorao tse matlafatsang.
5. Libaka tsa kopo
Ka lebaka la thepa ea eona e ikhethang, Hec e sebelisitsoe haholo masimong a mangata. Tse latelang ke lits'ebetso tse ling tse tloaelehileng:
Lisebelisoa tsa kaho: Sebakeng sa ho haha, lipente, lipehelo, HC li sebelisoa e le bolotsana, jj.
Nts'etsopele ea oli: indastering ea oli, hec e sebelisoa ha a ntse a hlophisoa ha maro a tahiloeng a le tlase ho ntlafatsa tumelo ea seretse le ho thibela lerako hantle la ho putlama.
Litlolo le lihlahisoa tsa tlhokomelo ea motho: Hec e sebelisoa ka har'a lihlahisoa tsa tlhokomelo e kang shampoo, emumolier le hloahloa ho ntlafatsa mokhoa oa ho ntlafatsa le ho sebelisa boiphihlelo ba sehlahisoa.
Indasteri ea pharmacecticalical: Ho fana ka litlhare, Hc e sebelisoa e le thuso e hlabang, e leng moemeli oa ho lokolloa le ho emisoa bakeng sa taolo ea lithethefatsi 'meleng.
Indasteri ea lijo: Le hoja e sebelisoa ka bongata, hec e ka sebelisoa e le lijo tse eketsang ho fetola pono le tatso ea lijo.
6. Tšireletso ea tikoloho le polokeho
Hec ke ts'ebetso ea tlhaho ea celluulose ea celluulose le bilidedradical e ntle, kahoo ha e na tšusumetso tikolohong kamora ho sebelisoa. Ntle le moo, hec e nkoa e le 'mala o sireletsehileng' me o sebelisoa haholo lihlahisoa le 'mele oa motho, tse kang tsa litlolo, lithethefatsi le lijo. Leha ho le joalo, nakong ea tlhahiso ea indasteri le tšebeliso e tsamaeang le polokeho e ntse e tlameha ho lateloa ho thibela karabelo e halefisang ea ho hema kapa ho ikopanya le nako e telele.
7. Boloka le ho sebelisa mehato ea ho itšireletsa
Hydroxethyl Cellulose e lokela ho bolokoa tikolohong e omileng le e pholileng ho qoba mongobo le ho ba mongobo. Ha e sebelisoa, e lokela ho eketsoa ka metsing butle le ka mokhoa o bonolo ho qoba senoelo e bakiloeng ke ho eketsa chelete e ngata ka nako e le 'ngoe. Ka nako e ts'oanang, kaha ho nka nako e itseng ea ho qhalla, hangata ho hlokahala hore u e tlohele nakoana kamora ho hlatsoa linyeoe le pono e tsitsitseng.
Ka lebaka la liphihlelo tsa eona tse ntle tsa metsi tsa metsi tsa metsi, ho holisa le ho boloka hydroxethyyl masimong a mangata a indasteri. Ka nts'etsopele ea mahlale a tsoelang pele, boholo ba kopo ea maqiti a tla tsoela pele ho hola, ho fana ka tharollo e ntle bakeng sa indasteri e fapaneng.
Poso: Hlakubele-17-2025