Karolo ea bohlokoa ea ho qhibiliha ha metsihydroxypropyl methyl cellulose HPMCka seretse ke ea bohlokoa ka likarolo tse tharo, e 'ngoe ke e babatsehang ea ho boloka metsi bokhoni ba setsebi, tse peli ke tšenyo ea viscosity le compressibility ea seretse, tse tharo ke ho sebelisana le samente.Mafutsana ho boloka metsi a seretse tshebetsong eohle ea lipalangoang ke ho le bonolo ho arola metsi outflow, hasana holim'a lintho tse bonahalang porous, metsi a mangata ho bonolo ho monyela ho sileha, hlahisa phetoho tšobotsi ea seretse, seretse fatše tšenyo ea. coagulation tsohle tse tloaelehileng le likotoana tse nyane tsa lisebelisoa tse tala bohareng ba bonding 'me kahoo fokotsa matla a khatello ea lerako la masonry.Ho boloka metsi a seretse ho hlalosoa ke stratification.
E kholoanyane ea viscosity eahydroxypropyl methyl celluloseHPMC, ha ts'ebetso ea ho boloka metsi e betere, e ntlafalitse viscosity ea tharollo ea metsi a polymer.Bolelele le sebōpeho sa ketane ea limolek'hule li boetse li itšetlehile ka boima ba limolek'hule tsa polymer (mocheso oa phetoho ea khalase).Palo ea lihlopha tse sebetsang e boetse e ama mefuta ea viscosity.
Hydroxypropyl methyl cellulose HPMC ts'ebetso ea eona ea ho boloka metsi ho tsoa ho hydroxypropyl methyl cellulose ho solubility ka boeona le ts'ebelisong ea metsi.Hoa tsebahala hore selulose ha e qhibilihe ka metsing ka lebaka la sebopeho sa eona se batlang se le holimo, le hoja ketane ea limolek'hule ea fiber e na le lihlopha tse ngata tsa OH tse nang le metsi a mangata haholo.
Li-superstrong covalent bond le matla a van der Waals lipakeng tsa meaho ea limolek'hule li ke ke tsa lefelloa ke bokhoni ba hydration ba lihlopha tsa methyl feela.Ka hona, e ka qhibiliha feela ka metsing.Ha limolek'hule tse nkang sebaka li hlahisoa, eseng feela limolek'hule tse nkang sebaka li senya ketane ea haedrojene, empa hape le maqhama a covalent a ketane ea haedrojene e senngoa ke limolek'hule tse nkang sebaka ka liketane tsa boahelani.Ha ho nkeloa sebaka ho hoholo, ho ba le sebaka se seholo sa limolek'hule.Molemo o moholo oa ho roba li-covalent bonds.Ha fiber lattice e lula e atoloha, tharollo e nang le metsi e kenang 'me hydroxypropyl methyl cellulose e fetoha metsi, e leng se etsang hore ho be le tharollo e nang le viscous e ngata haholo.
Ha lithempereichara tsa tikoloho li ntse li phahama, polymer's hydration ha e sebetse hantle mme metsi a ntšoa bohareng ba ketane.Ha metsi a lekaneng a tlosoa, sebōpeho sa limolek'hule sea bokana butle-butle, se hlahisa marang-rang a mahlakore a mararo a lisele tse khonang ho otlolloa.Viscosity, litekanyetso, boholo ba likaroloana le mocheso oa ts'ebeliso ea hydroxypropyl methyl cellulose ke lintlha tse senyang ts'ebetso ea ho boloka metsi ea seretse.
Hydroxypropyl methyl cellulose viscosity e arotsoe ka: viscosity 100,000, viscosity 150,000, viscosity 200,000.
Mokhoa oa ho khetha hydroxypropyl methyl cellulose?
100,000 viscosity hydroxypropyl methyl cellulose e ka sebelisoa e le phofo e ka hare ea lebota la putty.Setlamo sa lithaele.Moemeli oa ho qhotsa.Seretse sa konkreite se kopantsoeng.Sesebediswa sa grouting se thata haholo.
Litlhaloso tsa seretse sa seretse sa inorganic insulation li phahame, viscosity ea 150 thousand hydroxypropyl methyl cellulose kapa 200 thousand hydroxypropyl methyl cellulose.Haeba u khetha litholoana tse ncha hore viscosity ke 100 tse likete, hlahisa phallo ho fanyeha ntho e bonolo haholo.
Karolo e ka sehloohong ea methyl cellulose ke ho boloka metsi, ho lateloa ke ho teteana.Ho jeoa ke bolutu ka phofo ea ngoana leboteng le ka hare, haeba e na le metsi a betere a qhibilihang le viscosity e tlaase (70000-80000), e ntse e ka sebetsa.Ha viscosity e feta 100,000, viscosity ha e kotsi ho boloka metsi.Ha ho etsoa le ho hlahisa phofo ea putty ea ka hare, ha ho hlokahale ho khetha 200,000 viscosity.Ka lebaka la hore viscosity e kholo haholo, ho thata ho hopa le ho ngoapa ka bongata.
Hydroxypropyl methyl cellulose e sebelisa viscosity ea 100,000.
1. Morero oa boenjiniere oa konkreite seretse sa batch putty seretse.
Ho qhibiliha ha metsi a phahameng ho ka etsa hore konkreite e be le condensation e lekaneng, matla a ho khomarela a ntse a eketseha.Ka mokhoa o ts'oanang, matla a khatello le matla a khatello ea laser a ka ntlafatsoa ka mokhoa o utloahalang, ebe o ntlafatsa phello e lebelletsoeng ea kaho ea moaho, ho ntlafatsa ts'ebetso.
2. Inner lebota putty phofo mongobo ho hanyetsa.
Ka putty, moisturizing, bonding, lubrication ke ea bohlokoa haholo, ho thibela palo ea metsi a bakoang ke mapetsong le maemo a omileng hape ntlafatsa tlamahano ea ka hare lerako putty phofo, fokotsa phallo leketlileng ketsahalo kahong, boenjiniere kaho lekanyelitsoeng boreleli.
3. Plaster ea lihlahisoa tsa letoto la lihlahisoa tsa brushing tsa Paris.
Ka plaster ea lihlahisoa tsa letoto la Paris, e na le litlamorao tse kholo tsa ho boloka metsi, ho teteana le ho kolobisa.Ka hona, e na le phello e itseng ea pele ea ho beha, e ka eketsang nako ea kaho le ho sebetsana le mathata a ho senya le matla a pele a ho hatella mosebetsing oa ho haha.
4. Putty e sa keneleng metsi.
Joalo ka ts'ebeliso ea bohlokoa ea demulsifier, e ka ntlafatsa matla a ho tsikitlaha le matla a ho itšeha ka laser, ea ntlafatsa lesela la bokaholimo, ea ntlafatsa ho khomarela le ho kopanya matla a khatello.
5. Sekhomaretsi sa lithaele tsa ceramic.
Lithaele tse phahameng tsa fatše tse qhibilihang ka metsing le metheo ea indasteri ha e hloke ho koloba kapa ho koloba esale pele, e leng ho ntlafatsang haholo matla a khatello ea bonding.Nako ea kaho e telele, e tiea ebile e ts'oana, e boloka nako le boiteko kahong.Ho feta moo, e boetse e na le lubricity ea boleng bo holimo.
6. Caulking agent.Trench sealant.
Fiber ea HPMC e nang le boleng bo phahameng ba ho khomarela, ho fokotseha ho fokolang le ho hanyetsa ho apara ho phahameng, ho boloka lisebelisoa tsa motheo tse tala ho tloha timetsong ea thepa ea indasteri, ho thibela ho kenella ha merero eohle ea kaho.
7. Dc lisebelisoa tse hlakileng.
Bokhoni bo boreleli bo tiisang tsamaiso ea boleng bo holimo ea ho potoloha ha konkreite le bokhoni ba ho ikemela ba samente, bo lokisa sekhahla sa ho boloka mongobo ho etsa hore se tiee kapele le ho fokotsa ho phatloha le ho koala.
8. Pente ea liindasteri ea pente ea lebota la latex.
Ka indasteri ea ho lokisa le ho etsa liindasteri, methylpropyl methyl cellulose e ka sebelisoa e le moemeli oa ho etsa filimi, demulsifier, demulsifier le sekhomaretsi, e le hore filimi e be le khanyetso e ntle ea ho roala, ts'ebetso e leka-lekaneng ea ho roala, ho khomarela le tsitsipano ea pH. ntlafatsa.Liphetho tse lebelletsoeng le tsona li ntle ha li kopantsoe le lihlapolli tsa manyolo.E na le ho boloka mongobo o phahameng le ts'ebetso ea boleng bo phahameng ba pente.
Hydroxypropyl methyl cellulose 1500000 viscosity.
Bohareng ba 100,000 viscosity le 200,000 viscosity, 150,000 viscosity haufi le 100,000 viscosity.
Hydroxypropyl methyl cellulose 200,000 sebelisa.
Ka thepa ea ho haha, haholo-holo tšebeliso ea seretse sa inorganic insulating lera, ntho ea bohlokoa ka ho fetisisa ke ho ntlafatsa momahano, ho ntlafatsa phello ea matla a thata, ho etsa hore seretse sa konkreite se be bonolo haholoanyane ho se khomarela, ho ntlafatsa katleho.Ntle le moo, e na le phello ea anti-vertical liquidity.Ts'ebetso e phahameng ea mongobo e ka lelefatsa nako ea ho sebetsa ea seretse sa konkreite, ea ntlafatsa ho hanyetsa ha fracture le anchoring, ea ntlafatsa boleng ba holim'a metsi, ea ntlafatsa ho khomarela.
(1) Ho boloka metsi a methyl cellulose ho ipapisitse le palo ea eona ea tlatsetso, viscosity, botle ba likaroloana le sekhahla sa ho qhibiliha.Ka kakaretso, palo ea tlatsetso e kholo, botle bo nyane, viscosity e kholo, sekhahla sa ho boloka metsi se phahame, moo palo ea tlatsetso e nang le tšusumetso e kholo ho sekhahla sa ho boloka metsi, viscosity le sekhahla sa ho boloka metsi ha se tlase. ho feta kamano, sekhahla sa ho qhibiliha se itšetlehile haholo ka tekanyo ea phetoho ea holim'a metsi le bokhabane ba likaroloana tsa cellulose.Methyl cellulose le hydroxypropyl methyl cellulose ho tse 'maloa tsa cellulose ethers li na le sekhahla se phahameng sa ho boloka metsi.
Nako ea poso: Phup-09-2022