Methylcellulose (MC) ke motsoako o nkiloeng ho cellulose ka kalafo ea methylation 'me o na le thepa e ikhethang ea' mele le ea lik'hemik'hale. Jwalo ka sehlomathiso se sebetsang se sebelisoang haholo, se bapala karolo ea bohlokoa masimong a fapaneng a indasteri, ho kenyeletsoa thepa ea kaho, lijo, meriana, litlolo le lipente, jj. Mesebetsi ea eona e metle ea ho teteana, ho boloka metsi, ho kopanya, ho etsa filimi, ho emulsifying le ho tsitsisa e etsa hore methylcellulose e be motsoako oa bohlokoa ho ntlafatseng le ho ntlafatsa mekhoa ea indasteri.
1. Phello ea ho teteana
Matla a ho teteana ha methylcellulose a etsa hore e be tlatsetso ea bohlokoa indastering ea kaho le ea ho roala. Indastering ea kaho, haholo-holo lihlahisoa tsa seretse se entsoeng ka samente le gypsum, methylcellulose e ka eketsa haholo ho tsitsa le ho teteana ha foromo, ka hona ea ntlafatsa ho sebetsa ha thepa. Bakeng sa ho roala le pente, ho eketsoa ha methylcellulose ho ka thibela mokelikeli hore o se ke oa ba metsi haholo 'me ha ntlafatsa ho khomarela le ho tšoana ha roala.
Mokhoa oa ho teteana o etsoa haholo-holo ka ho thehoa ha sebopeho sa marang-rang ka har'a tharollo ke methylcellulose. Liketane tsa limolek'hule tsa methylcellulose li sebelisana ka libonto tsa haedrojene metsing ho etsa tharollo e nang le viscosity e itseng. Sebopeho sena sa marang-rang se ka hapa le ho lokisa limolek'hule tsa metsi, ka hona se eketsa viscosity le botsitso ba sistimi ea metsi.
2. Ho boloka metsi
Disebedisweng tsa kaho tse kang di-mortar tsa samente le di-slurry tsa gypsum, thepa ya ho boloka metsi ya methylcellulose e bohlokwa haholo. Disebediswa tsa kaho di hloka mongobo o lekaneng ho kenya letsoho karabelong nakong ya tshebetso ya ho lokisa. Tahlehelo ya metsi pele ho nako e tla lebisa ho se keng ha phekolwa ha thepa, ho fokotseha ha matla, kapa ho petsoha hodima metsi. Methylcellulose e etsa filimi e tshesane hodima metsi ho thibela ho fetoha ha metsi ho feteletseng le ho netefatsa hore samente, plaster le disebediswa tse ding di na le mongobo o lekaneng nakong ya tshebetso ya ho lokisa, ka hona di ntlafatsa matla le ho tshwarella ha tsona.
Tšusumetso ena ea ho boloka metsi e bohlokoa haholo libakeng tse omileng kapa tse nang le mocheso o phahameng, e leng se lumellang methylcellulose ho ntlafatsa ts'ebetso ea metsoako ea indasteri tlas'a maemo a feteletseng a tikoloho.
3. Ho kopanya le ho ntlafatsa matla a thepa
Litšobotsi tsa ho kopanya tsa methylcellulose le tsona li ntle haholo tlhahisong ea indasteri. Mohlala, ho likhomaretsi tsa tile le mefuta e meng ea li-bonding agents, methylcellulose e ka ntlafatsa ho khomarela ha motsoako, e leng se lumellang thepa ea ho kopanya ho khomarela hamolemo holim'a sebaka sa mosebetsi. Sebopeho se selelele sa ketane ea limolek'hule ea methylcellulose se ka sebelisana le thepa ea matrix ho ntlafatsa matla a ho kopanya, ka hona ho ntlafatsa matla a sebopeho a thepa ka kakaretso.
Lipolasitiking tse matlafalitsoeng ka faeba (FRP), methylcellulose e ka ntlafatsa matla le ho tiea ha thepa e kopaneng ka sebopeho sa eona sa faeba, e fa thepa matla a ho thaepa le ho hanyetsa ho tsofala, ka hona e ntlafatsa ho tšoarella ha eona lits'ebetsong tsa indasteri.
4. Ho thehoa ha filimi
Methylcellulose e na le bokgoni bo botle ba ho etsa filimi tharollong, mme thepa ena e sebedisitsoe haholo masimong a mangata a diindasteri. Indastering ya ho penta le ho penta, methylcellulose e ka etsa filimi e sireletsang e tshwanang e eketsang ho hanyetsa metsi le ho hanyetsa dikhemikhale tsa ho penta.
Indastering ea lijo, methylcellulose e boetse e sebelisoa haholo lits'ebetsong tsa ho penta kapa ho etsa filimi, haholo-holo liphuthelong tsa litholoana, meroho le lijo tse ling tse bolokiloeng bocha. Ka ho etsa filimi e tšesaane, methylcellulose e liehisa tahlehelo ea mongobo 'me e sireletsa lijo tikolohong e ka ntle.
5. Ho tsitsisa le ho kopanya metsoako
Methylcellulose e ka hlahisa tharollo e nang le viscosity e phahameng ha e qhibilihisoa ka metsing, e nang le litlamorao tsa ho tsitsisa le ho emulsifying. Thepa ena e bohlokoa haholo indastering e kang lipente, lipente, litlolo le litokisetso tsa meriana. Lipenteng le lipenteng, methylcellulose e ka tsitsisa ho hasana ha mebala, ea thibela ho lula, le ho ntlafatsa khanya le ho tšoana ha pente; lipenteng tsa litlolo, methylcellulose e sebetsa e le emulsifier ho tsitsisa sistimi e tsoakiloeng ea oli ea metsi le ho thibela hore Stratification e etsahale.
Litokisetsong tsa meriana, methylcellulose e atisa ho sebelisoa ho teteanya le ho tsitsisa litokisetso tsa metsi a nooang le ho jara meriana. Ho teteana ha eona le thepa ea ho etsa filimi li ka thusa moriana ho lokolloa butle-butle, ho eketsa nako ea phello ea moriana, le ho ntlafatsa ho fumaneha ha moriana.
6. Thepa ea ho kenya gelling ka mocheso
Thepa ea bohlokoa ea 'mele ea methylcellulose ke mokhoa oa eona o ikhethang oa ho etsa gelling ea mocheso, moo e fetohang gel ha e futhumatsoa. Tšobotsi ena e etsa hore e se ke ea nkeloa sebaka ke mefuta e meng e khethehileng ea indasteri. Mohlala, indastering ea lijo, methylcellulose e sebelisoa ho sebetsana le lijo tse nang le mafura a tlase. Gel e entsoeng ka mor'a ho futhumatsoa e na le tatso e tšoanang le ea mafura, e lumellang lijo tse nang le mafura a tlase ho boloka tatso le sebopeho se setle. Indastering ea kaho, thepa ena ea ho etsa gelling ea mocheso e ntlafatsa ho tšoarella le botsitso ba thepa ea kaho libakeng tse nang le mocheso o phahameng.
7. Ho lumellana ha lintho tse phelang le ho ba mosa tikolohong
Methylcellulose, e le motsoako o nkiloeng ka tlhaho, e na le ho lumellana ho hotle ha lintho tse phelang le botsoalle tikolohong. Sena se etsa hore e ratoe haholo mefuteng ea indasteri ea sejoale-joale, haholo-holo libakeng tse nang le litlhoko tse phahameng tsa tšireletso ea tikoloho, joalo ka mehaho e tala, liphahlo tsa tikoloho le thepa ea ho paka e senyehang. Methylcellulose e ka senyeha ka tlhaho, ea fokotsa moroalo oa tikoloho le ho latela mokhoa oa indasteri oa nts'etsopele e tsitsitseng.
8. Ntlafatsa bokgoni ba ho sebetsa
Tlhahisong ea indasteri, methylcellulose e ka ntlafatsa katleho ea ts'ebetso. Mohlala, thepa ea kaho, methylcellulose e ka ntlafatsa ho phalla le ho boloka metsi ha thepa, ka hona ea ntlafatsa boiketlo le katleho ea kaho; litlolong le litokisetsong tsa meriana, methylcellulose e ka ntlafatsa botsitso ba liforomo le ho fokotsa pula le ho arohana ha tsona, ka hona ea atolosa bophelo ba shelefo ea sehlahisoa. Thepa ena e lumella methylcellulose ho ntlafatsa katleho ea tlhahiso haholo ha e ntse e ntlafatsa mekhoa ea indasteri.
Jwalo ka sehlomathiso se sebetsang ka mesebetsi e mengata, methylcellulose e sebediswa diindastering tse ngata tse kang tsa kaho, dijo, meriana, ditlolo, dikobo, jj. ka lebaka la thepa ya yona e mengata e kang ho teteana, ho boloka metsi, ho kopanya, ho etsa filimi, ho tsitsisa, ho kopanya le ho kenya di-gelling tse futhumatsang. E bapala karolo ya bohlokwa tshimong. E ke ke ya ntlafatsa feela thepa ya mmele ya di-formulations tsa diindasteri, empa hape e ka ntlafatsa bokgoni ba tlhahiso le ho fihlela ditlhoko tse fapaneng tsa diindasteri. Ka nako e ts'oanang, ho ikamahanya le di-biocompatibility le botsoalle ba tikoloho ba methylcellulose le hona ho e etsa thepa e phethahetseng e fihlelang ditlhoko tsa ntshetsopele e tswelang pele. Ka ho sebedisa methylcellulose ka bohlale di-formulations tsa diindasteri, e ke ke ya ntlafatsa boleng ba sehlahiswa feela, empa hape e ka kgothaletsa kgatelopele le ntshetsopele ya theknoloji ya diindasteri.
Nako ea poso: Loetse-13-2024