Tataiso ea Khetho ea Likereiti tsa HPMC le Viscosity bakeng sa Liaparo tsa Kaho le Litšebeliso tsa Liindasteri

Selelekela

Hydroxypropyl Methylcellulose HPMCke e 'ngoe ea li-ether tsa bohlokoa ka ho fetisisa tsa cellulose tse sebelisoang ho pholletsa le lisebelisoa tsa kaho, liphahlo tsa meriana le lihlahisoa tsa tlhokomelo ea botho. Ho khetha sehlopha se nepahetseng sa HPMC hoa bohlokoa hobane boemo ba ho nkela viscosity sebaka le boitšoaro ba ho qhibiliha li ama ts'ebetso ea sehlahisoa ka kotloloho.

Mona ho fanoa ka tlhaloso e felletseng le e sebetsang ea limaraka tsa HPMC ho kenyeletsoa le ho bapisa ts'ebeliso ea ho arola viscosity le maano a khetho ea litsebi ho thusa baenjiniere ba bahlahisi le bareki ho khetha tharollo e loketseng ka ho fetisisa.

HPMC ke eng

HPMC ke ether ea cellulose e seng ea ionic e nkiloeng ho cellulose ea tlhaho ka phetoho ea lik'hemik'hale. E fana ka ts'ebetso e mengata e kang ho thehoa ha filimi e teteanang le ho tiisa metsi.

Matlotlo a bohlokoa a kenyeletsa
Bokhoni ba ho boloka metsi
Taolo ea ho teteana le ea rheology
Boitšoaro ba ho futhumatsa ha mocheso
Mosebetsi oa bokaholimo le ho thehoa ha filimi

HPMC e sebelisoa haholo ho pente ea seretse se ommeng se kopantsoeng le sekhomaretsi sa tile, lipente tsa putty tsa lebota, lipente tsa sesepa le mekhoa ea meriana.

Ho utloisisa Mekhahlelo ea HPMC

Mekhahlelo ea HPMC e hlalosoa ka motsoako oa lintlha tsa tekheniki ho fapana le paramethara e le 'ngoe.

Ho thibana ha

Ha e lekanngoa ka mPa tlas'a maemo a tloaelehileng, viscosity e khetholla botenya ba phallo le ho sebetsa hantle.

Phetolo ea lik'hemik'hale

Methoxy le hydroxypropyl di ama mocheso le ho lumellana ha gel ka ho qhibiliha.

Boholo ba likaroloana le kalafo

E ama lebelo la ho qhalana ha metsoako le ho e sebetsana le yona.

Tlhophiso ea ho se tsitse ha HPMC

Mekhahlelo ea viscosity e tlase haholo ho tloha ho 3 ho isa ho 100 mPa

E sebelisoa litharollong tsa meriana le litsamaisong tsa metsi moo ho hlokahalang ho teteana hanyane.

Mekhahlelo e tlaase ea viscosity 100 ho isa ho 1000 mPa

E loketse li-enke tsa ho roala le metsoako e itlhomamisang e hlokang ho phalla habonolo.

Mekhahlelo e mahareng ea viscosity 1000 ho isa ho 50000 mPa

E sebelisoa haholo ho sekhomaretsi sa lebota sa tile le thepa e thehiloeng samenteng.

Mekhahlelo e phahameng ea viscosity ho tloha ho 50000 ho isa ho 200000 mPa le ho feta

E loketse lits'ebetso tse hlokang boiteko bo bongata joalo ka li-storer tse teteaneng tsa litsamaiso tsa EIFS le lihlahisoa tsa gypsum.

Mesebetsi ea Bohlokoa ea Tshebetso ea HPMC

Ho boloka metsi

E thibela tahlehelo ea metsi ka potlako e netefatsang ho nosetsoa ha samente hantle le matla a ntlafetseng.

Taolo ea ho teteana le ea rheology

E fetola botsitso mme e ntlafatsa bonolo ba ho e sebelisa.

Ntlafatso ea bokhoni ba ho sebetsa

Ho ntlafatsa boreledi ho fokotsa ho hula le ho ntlafatsa bokgoni ba tshebediso.

Ntlafatso ea ho khomarela

E ntlafatsa kamano pakeng tsa li-substrate le thepa.

Tshebetso e khahlanong le ho fela

E thibela ho thella ha ho sebelisoa tse otlolohileng joalo ka sekhomaretsi sa thaele.

Khetho ea Sehlopha se Thehiloeng ho Kopo

Sekhomaretsi sa thaele

Viscosity e khothaletsoang ho tloha ho 40000 ho isa ho 100000 mPa
E fana ka nako e bulehileng e thibelang ho thella le ho khomarela ho matla

Setlolo sa lebota le seaparo se se nang mafura

Viscosity e khothaletsoang ho tloha ho 20000 ho isa ho 80000 mPa
E netefatsa hore qetello e boreleli e hanyetsa mapetso le hore e hasana habonolo

Seretse sa samente

Mekhahlelo e mahareng ho isa ho e phahameng ea viscosity
E ntlafatsa ho boloka metsi le ts'ebetso ea kaho

Metsoako e iketsang e lekana

Mekhahlelo e tlase ea viscosity
E boloka phallo e phalla hantle le ts'ebetso ea ho lekanya

Lipente le lipente

Mekhahlelo e tlaase ho isa ho e mahareng ea viscosity
E fana ka ho thiba le botsitso

Lisebelisoa tsa meriana

Mekhahlelo e phahameng ea bohloeki e laoloang ea viscosity
E sebelisoa bakeng sa ho koahela matlapa le litsamaiso tsa tokollo tse laoloang

HPMC ea Hang-hang le e Tloaelehileng

HPMC e potlakileng e phekoloa holim'a metsi 'me e hasana kapele ka metsing a batang e leng se etsang hore e lokele lihlahisoa tse omileng tsa motsoako.

HPMC e tloaelehileng e hloka ho hasana ha metsi a chesang mme e fana ka boits'oaro bo laoloang ba ho nosetsa bakeng sa lits'ebetso tsa indasteri.

Mabaka a Susumetsang Tshebetso ya HPMC

Mocheso o ama viscosity le boitšoaro ba gelation
Botsitso ba pH bo netefatsa hore e lumellana le litsamaiso tse fapaneng
Tšebelisano le lintho tse ling tse eketsang tse kang starch ether le phofo ea polymer e qhalakaneng
Ho kopanya maemo le matla a ho kuta nakong ea tlhahiso

Mokhoa oa ho Khetha Kereiti e Nepahetseng ea HPMC

Hlalosa litlhoko tse itseng tsa ts'ebeliso le ts'ebetso
Khetha mofuta o loketseng oa viscosity
Lekola ho boloka metsi le litlhoko tsa nako e bulehileng
Hlahloba ho lumellana le likarolo tse ling tsa tlhahiso
Etsa liteko tsa laboratori le tsa masimo pele o sebelisa boholo bo boholo

Liphoso tse Tloaelehileng tsa Khetho

Ho sebelisa viscosity e phahameng lits'ebetsong tse phallang ho lebisang boemong bo bobe ba ho leka-lekana
Ho sebelisa viscosity e tlase ho likhomaretsi tse fellang ka ho bopamana ho fokolang
Ho hlokomoloha maemo a tikoloho a kang mocheso le mongobo
Ho tlola teko ea ho etsa tlhahiso le ho itšetleha feela ka maqephe a data

Matšoao a Boleng ba HPMC ea Tshebetso e Phahameng

Ho hlaka ho tsitsitseng ho pholletsa le lihlopha
Boemo bo tsitsitseng ba ho nkela sebaka
Dikahare tse tlase tsa ho se hlweke
Phepelo e tšepahalang le tšehetso ea tekheniki

HPMC ea boleng bo holimo e ntlafatsa katleho ea tlhahiso e fokotsa liphoso le ho ntlafatsa ts'ebetso ea sehlahisoa sa ho qetela.

Mekhoa ea 'Maraka le Pono ea Indasteri

Tlhoko ea HPMC e ntse e eketseha ka lebaka la kholo ea merero ea kaho le ea meralo ea motheo lefatšeng ka bophara. Thepa ea moaho e tala le lintho tse ling tse sireletsang tikoloho li ntse li e-ba bohlokoa le ho feta. Likereiti tse etselitsoeng merero e ikhethileng tse etselitsoeng lits'ebetso tse itseng li ntse li tuma.

Lipotso Tse Botsoang Khafetsa

Ke eng e ntle ka ho fetisisa ea HPMC viscosity bakeng sa sekhomaretsi sa thaele
Hangata 40000 ho isa ho 100000 mPa ho latela litlhoko tsa sebopeho

Na sehlopha se le seng sa HPMC se ka sebelisoa bakeng sa lits'ebetso tse ngata
Maemong a mangata ha ho kopo ka 'ngoe e hlokang litšobotsi tse itseng tsa ts'ebetso

Ke eng e etsang hore HPMC e be ea bohlokoa thepa ea kaho
E ntlafatsa ts'ebetso ea ho boloka metsi le matla a ho kopanya

Viscosity e ama ts'ebetso joang
Viscosity e phahameng e eketsa ho boloka metsi le botenya ha viscosity e tlase e ntlafatsa phallo

Qetello

Likereiti tsa HPMCe bapala karolo ea bohlokoa ho fumaneng ts'ebetso ea lipente tsa thepa ea kaho le mekhoa ea indasteri. Ka ho utloisisa thepa ea lik'hemik'hale ea ho arola viscosity le litlhoko tsa ts'ebeliso, basebelisi ba ka khetha sehlopha se loketseng ka ho fetisisa ho fihlela liphetho tse ntle ka ho fetisisa.

Kereiti e khethiloeng hantle ea HPMC e lebisa ho sebetseng hantle, ho tšoarella ho ntlafetseng le boleng ba sehlahisoa ka kakaretso bo ntlafetseng.