Tšebeliso ea Hydroxypropyl Methylcellulose ho Gypsum

Hydroxypropyl Methylcellulose (HPMC)ke tlatsetso eo hangata e sebelisoang linthong tsa moaho, haholo lihlahisoa tse thehiloeng ho gypsum. HPMC e na le polokelo e ntle ea metsi, e teteaneng, ea lubricity le ho khomarela, e etsa hore e be karolo ea bohlokoa haholo lihlahisoa tsa gypsum.

1. Karolo ea HPMC ho gypsum

Ho ntlafatsa ho boloka metsi

HPMC e na le thepa e ntle ea ho monya metsi le ho boloka metsi. Nakong ea ts'ebeliso ea lihlahisoa tsa gypsum, ho eketsa palo e loketseng ea HPMC ho ka lieha ho lahleheloa ke metsi, ho ntlafatsa ts'ebetso ea gypsum slurry, ho boloka mongobo nako e telele nakong ea kaho, le ho qoba ho phunyeha ho bakoang ke ho fetoha mouoane ka potlako ha metsi.

Ho matlafatsa thepa ea ho khomarela le ho thibela ho fokotseha

HPMC e fana ka gypsum slurry e khomarelang hantle, e e lumellang ho khomarela ka thata ho mabota kapa likarolo tse ling. Bakeng sa lisebelisoa tsa gypsum tse hahiloeng holim'a libaka tse otlolohileng, phello e teteaneng ea HPMC e ka fokotsa ho theoha le ho netefatsa ho lumellana le ho hloeka ha mohaho.

Ntlafatsa tshebetso ya kaho

HPMC e etsa hore gypsum slurry e be bonolo ho e sebelisa le ho hasana, e ntlafatsa katleho ea kaho, le ho fokotsa litšila tsa thepa. Ho feta moo, e ka boela ea fokotsa likhohlano nakong ea kaho, ea etsa hore ho be bonolo le ho bebofaletsa basebetsi ba kaho ho sebetsa.

Ntlafatsa khanyetso ea crack

Nakong ea ts'ebetso ea coagulation ea lihlahisoa tsa gypsum, mouoane o sa lekaneng oa metsi o ka baka ho phatloha ha holim'a metsi. HPMC e etsa hore gypsum hydration e be e ts'oanang haholoanyane ka ts'ebetso ea eona e ntle ea ho boloka metsi, ka hona e fokotsa sebopeho sa mapetsong le ho ntlafatsa boleng ba kakaretso ea sehlahisoa se felileng.

Tšusumetso ka nako ea coagulation

HPMC e ka eketsa ka nepo nako e sebetsang ea gypsum slurry, ea lumella basebetsi ba kaho ho ba le nako e lekaneng ea ho lokisa le ho fokotsa, le ho qoba ho hloleha ha kaho ka lebaka la ho hoama ho potlakileng ha gypsum.

2. Tšebeliso ea HPMC lihlahisoa tse fapaneng tsa gypsum

Gypsum plastering

Ka thepa ea gypsum plastering, mosebetsi o ka sehloohong oa HPMC ke ho ntlafatsa ho boloka metsi le ho ntlafatsa ts'ebetso ea kaho, e le hore gypsum e ka khomarela lebota hantle, ho fokotsa ho phunyeha le ho ntlafatsa boleng ba kaho.

Gypsum putty

HPMC e ka ntlafatsa lubricity le boreleli ba putty, ha e ntse e ntlafatsa ho khomarela, e etsa hore e tšoanelehe bakeng sa mokhabiso o motle.

Gypsum board

Ka tlhahiso ea boto ea gypsum, HPMC e sebelisoa haholo ho laola sekhahla sa hydration, ho thibela boto ho omella kapele, ho ntlafatsa boleng ba sehlahisoa se felileng, le ho matlafatsa ho hanyetsa ha eona.

Gypsum self leveling

HPMC e ka bapala karolo e matla ho lisebelisoa tsa gypsum tsa ho ikemela, ho e fa metsi le botsitso bo betere, ho qoba karohano le sedimentation, le ho ntlafatsa katleho ea kaho.

3. Mokhoa oa ho sebelisa HPMC

Haholo-holo ho na le mekhoa e latelang ea ho kenyelletsa HPMC ho lihlahisoa tsa gypsum:
Ho kopanya ka kotloloho ho omileng: Kopanya HPMC ka kotloloho le lisebelisoa tse omeletseng joalo ka phofo ea gypsum, 'me u kenye metsi le ho hlohlelletsa ka ho lekana nakong ea kaho. Mokhoa ona o loketse lihlahisoa tsa gypsum tse kopantsoeng pele, tse kang gypsum putty le lisebelisoa tsa plastering.

Eketsa ka mor'a ho qhibiliha pele: Qhala HPMC ka metsing ka tharollo ea colloidal pele, 'me u e kenye ho gypsum slurry bakeng sa ho qhalakanngoa ho molemo le ho qhibiliha. E loketse lihlahisoa tse nang le litlhoko tse khethehileng tsa ts'ebetso.

4. Khetho le taolo ea litekanyetso tsa HPMC

Khetha viscosity e loketseng

HPMC e na le mefuta e fapaneng ea viscosity, 'me viscosity e nepahetseng e ka khethoa ho latela litlhoko tse khethehileng tsa lihlahisoa tsa gypsum. Ka mohlala, HPMC e nang le viscosity e phahameng e loketse ho eketsa ho khomarela le ho thibela ho fokotseha, ha HPMC e nang le viscosity e tlaase e loketse lisebelisoa tsa gypsum tse nang le metsi a mangata.

Taolo e utloahalang ea palo ea tlatsetso

Palo ea HPMC e ekelitsoeng hangata e tlase, hangata e pakeng tsa 0.1% -0.5%. Ho eketsa ho feteletseng ho ka ama nako ea ho beha le matla a ho qetela a gypsum, kahoo e lokela ho lokisoa ka mokhoa o utloahalang ho latela litšobotsi tsa sehlahisoa le litlhoko tsa kaho.

Hydroxypropyl methylcellulosee bapala karolo ea bohlokoa linthong tse entsoeng ka gypsum. Ha e ntlafatse feela ho boloka metsi le ts'ebetso ea kaho, empa e boetse e ntlafatsa ho khomarela le ho hanyetsa ho phatloha, ho etsa hore lihlahisoa tsa gypsum li be tse tsitsitseng le tse tšoarellang. Khetho e loketseng le ts'ebeliso ea HPMC e ka ntlafatsa haholo boleng ba lihlahisoa tsa gypsum le ho fihlela litlhoko tse fapaneng tsa kaho.