Hydroxypropypropypropinyl methylcelll. Litaba li kenyelletsa sebopeho sa lik'hemik'hale tsa HPMC, mekhoa ea eona ea likeletso matrixt matrixt ea polanete e ncha ebile e boima.
Sertare ke motsoako oa bohlokoa ho kahoho ea likarolo tsa likarolo tsa masonry, ho fana ka bompoli le botsitso sebopeho. Ts'ebetso ea Seterele e ama haholo ho ba le botšepehi le ho phela nako ea mohaho, lia hlokahala tsa moaho kahoo litsebi tsa eona. Har'a li-advices tsa hydroxypropypropyL methylcelulo (HPMC) li hlaha e le motsoako o fapaneng o fanang ka melemo e mengata ea litho tsa serōle. Sengoliloeng sena se tiisa karolo ea HPMC ka mekhoa ea seretse, e tiisa ka lebaka la thepa e fapaneng, 'me e hlahlobe tšebetso e ka bang mechini e laoloang.
1.Cherical sebopeho le thepa ea hpmc
HydroxypropypropinyL methylceluse ke malapa a lelapa la lilululo e tsoang ho selefounu ka phetoho ea lik'hemik'hale. Sebaka sa Hydroxypropyl le lihlopha tsa methyl li fana ka thepa ea HPMC e ikhethang, ho kenyelletsa le bokhoni ba ho etsa lifilimi le tšebetso ea lifilimi le tšebetso ea lifilimi le tšebetso ea motlakase Tekanyo ea sebaka (DS) le boima ba limok'hule (MW) a ama haholo sebopeho sa HPMC ka ho ntlafatsa ho boloka metsi le ho ntlafatsa khatello ea metsi.
2. Mechanism ea ketso
HPMC e ama thepa ea polar ka mebuso e fapaneng, haholo-holo ka tšebelisano ea eona ka lisebelisoa tsa metsi le tse mateaneng. Kamora ho boela ha hpDration, hpmc moleloocules o theha seretse se sirelletsang ho potoloha sameketso ea sistimi, e khutlisa mouoane oa metsi le ho khothaletsa hydration. Sena se ntlafatsa metsi a metsi a mattrix ea mortar matrix, a atolosa le ho fokotsa kotsi ea ho thekesela. Ntle le moo, HPMC e ka sebelisoa e le khomalo pakeng tsa ho ntlafatsa phallo pakeng tsa seretse le thepa ea motheo, ka ho etsa joalo e khothaletsa matla a bolotsana le ho fokotsa shrinkage.
3. Phetla ka ts'ebetso ea seretse se hloekileng
Ka litlues tse ncha, hpmc e fana ka thepa e ntle e lakatsehang, ho kenyelletsa le ho feto-fetoha ha maemo, ho latela mokhoa o ntlafalitsoeng, ho latela ts'ebetso. Ka ho fetola boits'oaro ba litlolo tsa seretse, HPMC bo ntlafatsa ho ba le boikoetliso le borumo, ho lumella ho se be le thepa e sebetsang le ho coisable. Ntle le moo, HPMC e fokotsa tloaelo ea ho arola le ho tsoa mali, ho etsa hore o tšoane le hoboiation ea motsoako oa serōle.
4. Phello mabapi le ts'ebetso ea seretse se thata
Ka mathata a mangata, ho ba teng ha HPMC ho thusa ho ntlafatsa, ho ba matla le ho hanyetsa mabaka a tikoloho. Ka ho matlafatsa phetiso ea metsi le samente ea metsi, HPMC e khothaletsa nts'etsopele ea likokoana-hloko tse boima, e fokotsa ho nepahala ebile e ntlafatsa thepa ea tšebetso. Ntle le moo, HPMC e fokotsa shrinkage le ho tšela nakong ea ho omella le ho folisa, ka ho etsa joalo e ntlafatsa tsitsipano ea boemo le ho fokotsa tsitsipano.
5. Mehopolo e sebetsang ea ho sebelisa HPMC
Ho ntlafatsa ts'ebetso ea HPMC ka lipina tsa litopo li hloka ho nahanisisa ka lintlha ka hloko lintlha tse fapaneng, ho kenyelletsa le litekanyetso tse ling tsa molao. Tekanyetso e feteletseng ea HPMC e ka lebisa ho nako ea nako e telele le ho fokotsa matla a pele, ka hona ho tlameha ho khethoa ka bohlale ho latela litlhoko tse itseng ka bohlale. Tsamaiso ea boholo ba eona e ama ho a hasanya le katleho ea HPMC ka litlolo, ka likokoana-hloko tse ntle li bontša ho boloka thepa e phahameng ka metsing. Ntle le moo, ho leka ho etsa qeto le mangolo a mang ho bohlokoa ho qoba likhakanyo tse mpe le ho netefatsa litlamorao.
Hydroxypropypropinyl Methylcellll. Ka bokhoni ba eona ba ho ntlafatsa mokhoa oa metsi, hodhesion le ho hloka botsitso, HPMC li bapala karolo ea bohlokoa ea ho ntlafatsa ts'ebetso ea lintja tse ncha le tse boima. Ka ho utloisisa mekhoa e mecha ea tšebetso ea HPMC ka ts'ebetso ea thibelo ka botlalo ka botlalo ba ts'ebeliso ea Seru, bafuputsi ba teng ba ho fetolela ka nako e sa feleng ea indasteri ea kaho.
Poso: Feb-19-2025