. China Mohaho oa Kaho Kereiti (HPMC)Hydroxypropyl methyl cellulose baetsi le bafani ba thepa |Yeyuan
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Mokhahlelo oa Kaho ea Kaho (HPMC) Hydroxypropyl methyl cellulose

Tlhaloso e Khutšoanyane:

Hydroxypropyl Methylcellulose (HPMC) ke ether e seng ea ionic cellulose e lokisitsoeng ho tloha fiber ea tlhaho ea polymer ka letoto la ts'ebetso ea lik'hemik'hale.
HPMC ke sehlahisoa sa cellulose ether se qhibilihang haholoanyane ka metsing se ntlafalitsoeng ka ho khetheha ho ntlafatsa ts'ebetso ea seretse se omeletseng se kopaneng le phofo ea putty ea lebota.


Lintlha tsa Sehlahisoa

Li-tag tsa Sehlahisoa

Liretse tse tsoakiloeng tsa cementitious li fetohile karolo ea bohlokoa haholo indastering ea seretse ho Global mme li bapala karolo e ke keng ea hlokahala ka lebaka la papatso ea 'maraka le ts'ehetso ea naha ea maano.Ho nts'etsopele ea seretse, cellulose ether ke moitseki oa bohlokoa.
Seretse se tloaelehileng se batla moruo moo boemo ba samente bo leng nyane, empa litlhoko tsa ts'ebetso ea eona le thepa ea ho fafatsa mochini li ntse li le holimo, kahoo ho hlopha lehlabathe le li-additives li bohlokoa.Ntle le moo, ts'ebeliso ea mochini e tla fetoha mokhoa o hlakileng oa nts'etsopele ea seretse se tsoakiloeng, cellulose ether e tla etsa hore ts'ebeliso ea mochini e khonehe.

Likarolo tsa Sehlahisoa

Eketsa tlhoko ea metsi.
Ho boloka metsi a phahameng, ho lelefatsa nako ea ts'ebetso ea thepa, ho ntlafatsa ts'ebetso ea ts'ebetso, ho qoba ts'ebetso ea ho kolobisa, le ho thusa ho ntlafatsa matla a mochini oa thepa.
Ts'ebetso e ntlafetseng ea ts'ebetso, e fana ka lubrication le seaparo se ts'oanang, e le hore holim'a thepa e be bonolo ho hlakola, kahoo ho ntlafatsa katleho ea kaho, le ho ntlafatsa ho hanyetsa ho phunyeha ha putty.
Ntlafatsa homogeneity, 'me u ntlafatse khanyetso ea phallo e otlolohileng.

HPMC bakeng sa sekhomaretsi sa lithaele

Lithaele tsa Ceramic li na le ts'ebetso e phahameng le ts'ebetso e ntle haholo ea mosebetsi ha li behiloe holim'a li-substrates tse fapaneng.Ho hanyetsa skid le nako e ntle ea ho bula ke senotlolo sa litlhoko tse betere tsa sekhomaretsi.

HPMC bakeng sa putty leboteng

HPMC ke non-ionic cellulose ether e entsoeng ka fiber ea tlhaho ea k'hothone tlas'a letoto la ts'ebetso ea lik'hemik'hale.Ha e na monko, ha e na tatso ebile ha e na chefo e phofo e tšoeu, e ka qhibiliha ka metsing a tloaelehileng ho etsa tharollo e hlakileng ea viscous e nang le thepa ea ho tiisa, ho tlama, ho qhalakanya, emulsifying, ho roala filimi, ho emisa, ho monya, gelling, ho boloka metsi le tšireletso ea colloid.
cellulose ethers li fana ka thepa e latelang e babatsehang ho seretse:
一Optimized wetting bokgoni ho substrate
一 Bokhoni bo tsoetseng pele ba ho boloka metsi
一 tshebetso e ntle ya ho fafatsa le ho pompa
一 Ntlafatsa hydration ea samente ka matla a tlamahano

Tlhaloso ea Sehlahisoa

1) Ponahalo: HPMC ke nonionic cellulose ether, phofo e tšoeu e bosoeu bo bosoeu kapa granule, ha e na monko ebile ha e na tatso, e qhibilihang ka metsing a batang, glacial acetic acid, ethanol, methanol le propylene glycol, e qhibilihang hanyane ka har'a acetone ho latela tekanyo ea li-substitutes, hoo e batlang e sa qhibilihe ka metsing a chesang, ethylene glycol le toluene.HPMC e qhibiliha ka motsoako oa 10% methanol le 90% methylene chloride ho etsa litharollo tsa colloidal.
2) Tharollo ea HPMC e na le ts'ebetso e holimo, pepeneneng e phahameng, le ts'ebetso e tsitsitseng.Ha mocheso o le mocheso o itseng, tharollo e fetoha maru kapa e etsa gel ea flocculent.Leha ho le joalo, tharollo e hlaka hape ka mor'a ho pholile.Mefuta e fapaneng ea HPMC e na le mocheso o fapaneng oa gelation.The solubility e fapana ho ea ka viscosity.Ha li-viscosity li le tlase, li na le solubility e phahameng.Mefuta e fapaneng ea HPMC e fapane ho tse ling 'me ho qhibiliha ha tsona metsing ha ho amehe ke pH.
3) Boholo ba likaroloana: sekhahla sa ho feta sa 100% ho 80 mesh.
4) Boima bo bonahalang: 0.25-0.70 g/mL (hangata hoo e ka bang 0.5 g/mL), boima bo khethehileng 1.26-1.31mL.
5) Mocheso oa ho fetola mebala: 190-200 ° C;Mocheso oa carbonization: 280-300 ° C.
6) Khatello ea sefahleho: 42-56 dyn / cm (2% tharollo ea metsi).
7) Lintho tse phahameng tsa methoxy ho HPMC, mocheso o tlase oa gelation, le ho qhibiliha ho hoholo ha metsi le holim'a metsi.
8) HPMC e na le litšoaneleho tse ling, mohlala, thepa e teteaneng, botsitso ba pH, ho boloka metsi, thepa e ntle ea ho etsa filimi, ho qhalakanngoa hantle le bokhoni ba ho khomarela.

Lintlha tse qaqileng

Ntho Index
Litaba tsa Methoxyl (%) 24.0-30.0
Litaba tsa Hydroxy propyl (%) 7.0-12.0
Mocheso oa gelation 54℃—90℃
Mongobo 5% boholo
Molora 5% boholo
PH boleng 6—8
Ponahalo Phofo e tšoeu
Boikoetliso 80-100 mesh
Viscosity 100 ho isa ho 200000 e ka etsoa ka mokhoa o ikhethileng
1
HPMC bakeng sa Seretse (4)
HPMC bakeng sa Seretse (5)
HPMC bakeng sa Seretse (6)

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