Ho araba potso ea hau ka nepo, ke tla fana ka kakaretso ea Hydroxypropyl Methylcellulose (HPMC), karolo ea eona seretseng, le litataiso bakeng sa tlatsetso ea eona.Ebe, ke tla hlahloba lintlha tse susumetsang bongata ba HPMC e hlokahalang metsoakong ea seretse.
1.Hydroxypropyl Methylcellulose (HPMC) in Mortar:
Hydroxypropyl Methylcellulose (HPMC) ke ether e seng ionic cellulose e nkiloeng ho selulose ea tlhaho ea polymer.E sebelisoa haholo e le tlatsetso ea thepa ea kaho, ho kenyelletsa le seretse.
2.HPMC e sebeletsa merero e mengata ka metsoako ea seretse:
Poloko ea Metsi: HPMC e ntlafatsa ho bolokoa ha metsi seretseng, e lumellang ts'ebetso e betere le hydration e telele ea samente, e leng bohlokoa bakeng sa nts'etsopele ea matla a nepahetseng.
Khomarelo e Ntlafetseng: E ntlafatsa ho khomarela ha seretse ho li-substrates, ho khothalletsa maqhama a betere le ho fokotsa kotsi ea delamination.
Nako e Eketsehileng ea ho Bula: HPMC e eketsa nako e bulehileng ea seretse, e lumella nako e telele ea ho sebetsa pele seretse se qala ho beha.
Taolo e tsitsitseng: E thusa ho fihlela thepa e tsitsitseng ea seretse ho pholletsa le lihlopha, ho fokotsa phapang ea ho sebetsa le ts'ebetso.
Fokotse Shrinkage le Cracking: Ka ho ntlafatsa ho boloka metsi le ho khomarela, HPMC thusa ho fokotsa shrinkage le petsoha seretse se thata.
3. Lintlha Tse Susumetsang Keketso ea HPMC:
Lintlha tse 'maloa li susumetsa palo ea HPMC e lokelang ho eketsoa ho metsoako ea seretse:
Sebopeho sa Seretse: Sebopeho sa seretse, ho kenyelletsa mefuta le boholo ba samente, li-aggregates, le li-additives tse ling, li susumetsa tekanyo ea HPMC.
Thepa e lakatsehang: Thepa e lakatsehang ea seretse, joalo ka ho sebetsa, ho boloka metsi, ho khomarela, le nako ea ho beha, e laela litekanyetso tse nepahetseng tsa HPMC.
Maemo a Tikoloho: Lintlha tsa tikoloho joalo ka mocheso, mongobo, le lebelo la moea li ka ama ts'ebetso ea HPMC ka seretse mme li ka hloka liphetoho litekanyetsong.
Litlhoko tsa Kopo: Litlhoko tse ikhethileng tsa kopo, joalo ka mofuta oa substrate, botenya ba kopo ea seretse, le maemo a pheko, li bapala karolo ho khethollang litekanyetso tse nepahetseng tsa HPMC.
Litlhahiso tsa Baetsi: Baetsi ba HPMC hangata ba fana ka litataiso le likhothaletso bakeng sa litekanyetso tse thehiloeng ho mofuta oa seretse le tšebeliso, tse lokelang ho lateloa bakeng sa liphetho tse ntle.
4.Guidelines for HPMC Addition:
Leha likhothaletso tse ikhethileng tsa litekanyetso li ka fapana ho latela lintlha tse kaholimo le litataiso tsa moetsi, mokhoa o akaretsang oa ho khetholla litekanyetso tsa HPMC o kenyelletsa mehato e latelang:
Buisana le Tataiso ea Moetsi: Sheba litataiso tsa moetsi le maqephe a data a tekheniki bakeng sa mefuta e khothaletsoang ea litekanyetso ho ipapisitsoe le mofuta oa seretse le ts'ebeliso.
Tekanyetso ea Pele: Qala ka tekanyo e tsitsitseng ea HPMC ka har'a mefuta e khothaletsoang 'me u fetole kamoo ho hlokahalang ho latela liteko tsa ts'ebetso.
Tlhahlobo ea Ts'ebetso: Etsa liteko tsa ts'ebetso ho hlahloba phello ea HPMC ho thepa ea seretse e kang ho sebetsa, ho boloka metsi, ho khomarela le ho beha nako.
Ntlafatso: Lokisa litekanyetso tsa HPMC ho ipapisitse le litekolo tsa ts'ebetso ho fihlela thepa e batloang ea seretse ha o ntse o fokotsa ts'ebeliso ea thepa.
Taolo ea Boleng: Kenya ts'ebetsong mehato ea taolo ea boleng ho netefatsa ho tsitsisa tlhahiso ea seretse le ts'ebeliso, ho kenyeletsoa tlhahlobo ea khafetsa ea thepa ea seretse se secha le se thata.
5. Mekhoa e Metle le Menahano:
Phatlalatso e sa Tšoaneng: Etsa bonnete ba hore HPMC e hasana ka botlalo ka har'a motsoako oa seretse ho fihlela ts'ebetso e ts'oanang ho pholletsa le sehlopha.
Mokhoa oa ho Kopanya: Latela mekhoa e khothaletsoang ea ho kopanya ho netefatsa hore HPMC e na le metsi a lekaneng le kabo e tšoanang ka har'a matrix a seretse.
Teko ea Tšebelisano: Etsa tlhahlobo ea tšebelisano ha u sebelisa HPMC le li-additives tse ling kapa li-admixtures ho netefatsa tšebelisano le ho qoba litšebelisano tse mpe.
Maemo a Polokelo: Boloka HPMC sebakeng se phodileng, se omeletseng hole le khanya ea letsatsi le mongobo ho thibela ho senyeha le ho boloka ts'ebetso ea eona.
Mehato ea Tšireletso: Latela mehato ea tšireletso e khothaletsoang ke moetsi ha u tšoara le ho sebelisa HPMC, ho kenyeletsoa lisebelisoa tse nepahetseng tsa ts'ireletso le mekhoa ea ho sebetsana le eona.
palo ea HPMC e tla kenyelletsoa seretseng e itšetlehile ka lintlha tse fapaneng tse kang sebopeho sa seretse, thepa e lakatsehang, maemo a tikoloho, litlhoko tsa kopo, le likhothaletso tsa moetsi.Ka ho latela litataiso, ho etsa liteko tsa ts'ebetso, le ho ntlafatsa litekanyetso, bo-rakonteraka ba ka kenyelletsa HPMC ka har'a metsoako ea seretse ho fihlela ts'ebetso e lakatsehang ha ba ntse ba fokotsa tšebeliso ea thepa le ho netefatsa taolo ea boleng.
Nako ea poso: Mar-28-2024