tsebisa
Hydroxypropylmethylcellulose (HPMC) e sebelisoa haholo joalo ka setlamo, setenya le setlolo ho indasteri ea ceramic. HPMC e thusa ho laola phallo ea li-slurries le likhase tsa ceramic, ho netefatsa hore esita le ho roala le ho khomarela hantle. Ke motsoako o qhibilihang ka metsi o tsoang ho cellulose, polymer ea tlhaho e fumanehang marakong a lisele tsa limela. HPMC e fumaneha ka mefuta e fapaneng ea limaraka tse nang le li-viscosity tse fapaneng le likhato tse fapaneng.
Melemo ea High Viscosity HPMC
1. Ntlafatsa boleng ba chelete
E 'ngoe ea melemo ea mantlha ea viscosity e phahameng ea HPMC ka lirafshoa ke bokhoni ba ho ntlafatsa thepa ea phallo. Li-slurries tsa ceramic le likhase tse nang le HPMC li phalla hantle le ka ho lekana, ho fella ka botenya bo tsitsitseng le bofokoli bo fokolang. Sena se bohlokoa haholo bakeng sa lits'ebetso tse kholo tsa indasteri, moo ho ts'oana ho leng bohlokoa ho boleng ba sehlahisoa.
2. Ntlafatsa ho khomarela
Ntle le ho ntlafatsa thepa ea phallo, HPMC e nang le viscosity e phahameng e ka ntlafatsa ho khomarela li-slurries le likhase tsa ceramic. HPMC e sebetsa joalo ka setlamo, e thusang ho kopanya likaroloana tsa ceramic hammoho le ho li thibela ho arohana nakong ea ho thunya. Sena se hlahisa lihlahisoa tsa ceramic tse matla, tse tšoarellang haholoanyane, le tse sa tloaelehang ho senya kapa ho senya.
3. Fokotsa nako ea ho omisa
Molemo o mong oa viscosity e phahameng ea HPMC ke hore e fokotsa nako ea ho omisa. HPMC e etsa sebopeho se kang gel ha se kenngoa metsing, se thusa ho boloka mongobo le ho thibela ho fetoha mouoane. Sena se lumella li-slurries le li-glaze tsa ceramic hore li ome butle le ka ho lekana ntle le ho phatloha kapa ho honyela. Sena ke sa bohlokoa ka ho khetheha ka meralo e rarahaneng le libopeho tse bonolo, moo le liphetoho tse nyane nakong ea ho omisa li ka bakang liphoso.
4. Ntlafatsa rheology
High viscosity HPMC e ka boela ea ntlafatsa rheology ea li-slurries tsa ceramic le likhase. Rheology e bolela ho phalla ha thepa tlas'a khatello. HPMC e eketsa viscosity ea li-slurries le likhase tsa ceramic, e etsa hore li se ke tsa thella kapa tsa rotha. Sena se bohlokoa haholo bakeng sa libaka tse otlolohileng, moo ts'ebeliso e nepahetseng le ho hanyetsa matla a khoheli li leng bohlokoa.
5. Ntlafatsa ts'ebetso ea ho thunya
Qetellong, viscosity e phahameng ea HPMC e ka ntlafatsa thepa ea ho thunya ea lirafshoa. HPMC e thusa ho laola lebelo la ho thunya le mocheso ho netefatsa hore ho na le sintering e tšoanang le e phethahetseng ea ceramic. Sena se hlahisa ceramic e matla, e teteaneng e nang le mefokolo e fokolang. HPMC e boetse e thusa ho fokotsa shrinkage ea ho thunya, e bakang litekanyo tse tsitsitseng le boleng ba sehlahisoa ka kakaretso.
ha re phethela
Viscosity e phahameng ea HPMC ke kenyelletso ea bohlokoa ea ceramic e nang le melemo e mengata e kenyelletsang phallo e ntlafetseng, ho khomarela ho matlafatsang, ho fokotsa nako ea ho omisa, ho ntlafatsa rheology le thepa e ntlafetseng ea ho thunya. Sebopeho sa eona sa ho qhibiliha ha metsi se etsa hore ho be bonolo ho se sebelisa, 'me tlhaho ea eona ea tlhaho e etsa hore e be khetho e ntle ho tikoloho. Ka ho sebelisa HPMC e nang le viscosity e phahameng, bahlahisi ba ceramic ba ka hlahisa lihlahisoa tse matla, tse tsitsitseng le tse ntle, qetellong ba eketsa khotsofalo ea bareki le katleho ea khoebo.
Nako ea poso: Sep-20-2023