1. Hydroxypropyl methylcellulose (HPMC)ke non-ionic cellulose ether e sebelisoang haholo indastering ea kaho, haholo-holo e le dispersant, thickener le binder. E na le ho qhibiliha ha metsi ka mokhoa o babatsehang, ho teteaneng, ho boloka metsi le lubricity, 'me e ka ntlafatsa haholo ts'ebetso ea kaho le phello ea ho qetela ea thepa ea mohaho. Ka hona, HPMC e sebelisoa haholo ho thepa ea kaho e kang seretse sa samente, sekhomaretsi sa lithaele, phofo ea putty, seretse se ikemetseng, joalo-joalo.
2. Karolo ea HPMC joalo ka mohatelli
Mosebetsi o ka sehloohong oa dispersant ke ho arolelana ka mokhoa o ts'oanang likaroloana tse tiileng tsamaisong ea metsi, ho thibela ho kopana ha likaroloana, le ho ntlafatsa botsitso ba thepa ea kaho. E le sesebelisoa se sebetsang hantle haholo, HPMC e bapala likarolo tse latelang ho thepa ea kaho:
Thibela sedimentation ea likaroloana: HPMC e khona ho fokotsa sekhahla sa sedimentation sa likaroloana tsa samente kapa gypsum slurry, e etsa hore motsoako o ts'oane haholoanyane, ka hona, e ntlafatse ho ba le metsi le ho tšoana ha thepa ea kaho.
Ntlafatsa ts'ebetso ea lisebelisoa: Ha ho aha seretse, phofo ea putty le lisebelisoa tse ling, HPMC e ka ntlafatsa phello ea phallo ea phofo, ea etsa hore sesebelisoa se be bonolo nakong ea kaho, 'me se qobe ho kopanya le ho kopanya.
Ntlafatsa karabelo ea samente ea hydration: HPMC e thusa ho arola likaroloana tsa samente ka ho lekana, ho ntlafatsa ts'ebetso ea karabelo ea hydration, le ho ntlafatsa matla le botsitso ba pente ea samente.
3. Karolo ea HPMC e le motenya
Mosebetsi o ka sehloohong oa thickener ke ho eketsa viscosity ea tsamaiso e le hore thepa ea mohaho e be le ts'ebetso e ntle nakong ea ts'ebetso ea kaho. Joalo ka motenya o motle haholo, mesebetsi ea mantlha ea HPMC indastering ea kaho e kenyelletsa:
Eketsa viscosity ea seretse: HPMC e ka atleha ho eketsa viscosity ka seretse, putty powder, sekhomaretsi sa lithaele le lisebelisoa tse ling tsa mohaho, ho etsa hore ho be bonolo ho haha le ho fokotsa ho fokotseha, haholo-holo ho loketseng bakeng sa kaho e otlolohileng, joalo ka ho roala lebota.
Ntlafatsa ho bolokoa ha metsi: HPMC e ka ntlafatsa haholo matla a ho boloka metsi a seretse sa samente, ea fokotsa tahlehelo ea metsi, ea thibela mapetsong a bakoang ke tahlehelo ea metsi a mangata, le ho ntlafatsa ho tšoarella ha thepa ea moaho.
Ntlafatsa ts'ebetso ea kaho: Lits'ebetsong tse joalo ka seretse sa ho ikemela, HPMC e ka ntlafatsa metsi le ho netefatsa viscosity e nepahetseng, ka ho etsa joalo e netefatse hore thepa e ajoa ka mokhoa o ts'oanang nakong ea kaho le ho ntlafatsa ho bata ha fatše.
4. Karolo ea HPMC joalo ka setlamo
Mosebetsi o ka sehloohong oa binder ke ho ntlafatsa maqhama pakeng tsa thepa le ho netefatsa ho tiea ha mohaho. Joalo ka setlamo, ts'ebeliso ea HPMC ho thepa ea moaho e kenyelletsa:
Ntlafatsa matla a tlamahano a likhomaretsi tsa lithaele: HPMC e fana ka likhomaretsi tsa lithaele tse phahameng, ho etsa hore maqhama lipakeng tsa lithaele le lera la motheo e be matla le ho fokotsa kotsi ea ho oa.
Ntlafatsa ho khomarela ha putty powder: Ka leboteng la putty, HPMC e ka ntlafatsa bokhoni ba maqhama pakeng tsa putty le lera la motheo, ea ntlafatsa ho tšoarella le ho hanyetsa ho phunyeha ha putty, le ho netefatsa hore ho na le lebota le boreleli le le bataletseng.
Ntlafatsa botsitso ba seretse sa ho ikemela: HPMC e ntlafatsa matla a tlamahano ea seretse sa ho ikemela ka ho laola sekhahla sa mouoane oa metsi, ho thibela stratification le ho phatloha, le ho etsa hore e tsitse nakong ea kaho.
Hydroxypropyl methylcellulose (HPMC) e bapala karolo ea bohlokoa joalo ka dispersants, thickener le binder ka thepa ea mohaho. Ha e ntlafatse feela ts'ebetso ea kaho ea thepa ea mohaho, empa hape e ntlafatsa phello ea ho qetela ea tšebeliso. HPMC e ntlafatsa mokelikeli le ho tšoana ha seretse ka ho qhala likaroloana tse tiileng le ho thibela sedimentation; e ntlafatsa viscosity le ho boloka metsi a thepa ka ho teteaneng, 'me e fokotsa mapetsong le ho fokotseha; e le binder, e ntlafatsa ho khomarela lisebelisoa tse kang sekhomaretsi sa tile le putty powder, ho netefatsa ho tiea le ho tšoarella ha mohaho. Ka hona, HPMC e fetohile tlatsetso ea bohlokoa indastering ea kaho ea sejoale-joale, e fana ka tšehetso e matla bakeng sa ho ntlafatsa boleng ba moaho le katleho ea kaho.
Nako ea poso: Mar-25-2025