Hydroxypropyl Methylcellulose (HPMC) ke motsoako oa bohlokoa mefuteng ea li-putty, e bapala karolo e nang le likarolo tse ngata ho khetholla thepa le ts'ebetso ea eona.Putty, thepa e feto-fetohang e sebelisoang haholo ho aha, ho lokisa likoloi, ho etsa mapolanka le liindasteri tse ling tse fapaneng, e itšetlehile ka HPMC bakeng sa mesebetsi ea eona ea bohlokoa.
1. Selelekela sa Putty:
Putty ke thepa e fetolehang, e kang peista e sebelisetsoang ho tlatsa likheo, mapetsong le masoba holim'a metsi a kang lehong, konkreite, tšepe le masonry.E sebetsa e le karolo ea bohlokoa mesebetsing ea kaho, nchafatso le tokiso.Li-putty formulations li ka fapana haholo ho latela ts'ebeliso ea tsona e reriloeng le litlhoko tse ikhethang tsa mosebetsi o teng.Leha ho le joalo, hangata li na le motsoako oa li-binders, li-filler, li-solvents le li-additives, e 'ngoe le e' ngoe e kenya letsoho mosebetsing oa kakaretso oa putty.
2. Ho utloisisa Hydroxypropyl Methylcellulose (HPMC):
HPMC ke semisynthetic, polymer e qhibilihang ka metsing e tsoang ho selulose.E fumanoa ka ho phekola cellulose ka propylene oxide le methyl chloride.HPMC e bonts'a thepa e 'maloa e e etsang hore e tšoanelehe haholo ho sebelisoa ho li-putty formulations:
Ho boloka Metsi: HPMC e na le bokhoni bo botle ba ho boloka metsi, e e lumellang ho boloka mongobo ka har'a putty matrix.Thepa ena e bohlokoa bakeng sa ho boloka botsitso bo lakatsehang ba putty nakong ea kopo le ho omisa.
Thickening: HPMC e sebetsa e le ntho e teteaneng ka har'a li-putty formulations, e fana ka viscosity le ho ntlafatsa boiketlo ba kopo.Ka ho eketsa viscosity ea putty, HPMC e thusa ho thibela ho sisinyeha kapa ho matha ha e sebelisoa libakeng tse otlolohileng.
Tlhahiso ea Lifilimi: Ha putty e nang le HPMC e omella, polymer e etsa filimi e tšesaane ka holim'a metsi, e fana ka sekhomaretsi le ho matlafatsa nako e telele ea ho lokisa kapa ho tlatsa.
Ts'ebetso e Ntlafetseng: HPMC e ntlafatsa ts'ebetso ea putty ka ho fana ka sebopeho se boreleli, se momahaneng se ka tsamaisoang habonolo le ho bōptjoa hore se lekane li-contours tsa substrate.
3. Karolo ea HPMC ho Liqapi tsa Putty:
Ka li-putty formulations, HPMC e sebetsa mesebetsi e 'maloa ea bohlokoa, e kenyang letsoho ho botšepehi ba sebopeho le ts'ebetso ea sehlahisoa sa ho qetela:
Binder: HPMC e sebetsa joalo ka tlamahano, e tšoara hammoho likarolo tse fapaneng tsa sebopeho sa putty.Mehaho ea eona ea sekhomaretsi e nolofalletsa putty hore e khomarele ka thata ho substrate, ho netefatsa hore ho lokisoa nako e telele kapa ho tlatsa.
Moemeli oa ho Boloka Metsi: Ka ho boloka mongobo ka har'a putty matrix, HPMC e thusa ho thibela ho omella pele ho nako le ho fokotseha.Sena se bohlokoa haholo maemong ao ho ona ho hlokahalang nako e telele ea ho sebetsa, joalo ka litokiso tse ngata kapa mosebetsi o rarahaneng o fanang ka lintlha.
Thickener le Rheology Modifier: HPMC e sebetsa joalo ka motenya, e fana ka viscosity e lakatsehang ho putty.Sena ha se ntlafatse feela boiketlo ba kopo empa hape se susumetsa boitšoaro ba phallo le ho hanyetsa sag ea thepa.
Phatlalatso e Laolang ea Metsoako e Matla: Mefuteng e meng e khethehileng ea li-putty, HPMC e ka sebelisoa ho laola ho lokolloa ha metsoako e sebetsang e kang ho phekola, li-antimicrobial agents, kapa corrosion inhibitors.Ka ho theha mokoallo holim'a metsi, HPMC e laola ho ata ha li-additives tsena, ho lelefatsa katleho ea tsona.
4. Likopo tsa HPMC-Based Putty:
Li-putty tse thehiloeng ho HPMC li fumana lits'ebetso tse atileng ho pholletsa le liindasteri tse fapaneng, ho kenyelletsa:
Kaho: Ka indasteri ea kaho, li-putty tse thehiloeng ho HPMC li sebelisetsoa ho lokisa mapetsong, masoba le ho se phethahale ha marako, siling le holim'a konkreite.Li fana ka ho khomarela hantle, ho tšoarella, le ho hanyetsa boemo ba leholimo, ho etsa hore e be tse loketseng bakeng sa lisebelisoa tsa ka hare le tsa ka ntle.
Tokiso ea Likoloi: Li-putty tse nang le HPMC li sebelisoa hangata lithupelong tsa ho lokisa likoloi bakeng sa ho tlatsa menoana, mengoallo le lintho tse ling tse sa tsitsang holim'a 'mele ea likoloi.Thepa e boreleli le thepa e ntle haholo ea sanding ea li-putty tse thehiloeng ho HPMC e netefatsa tokiso e se nang moeli le ho hloekisoa.
Ho sebetsa ka lehong: Lithako tsa lehong tse thehiloeng ho HPMC li sebelisoa lits'ebetsong tsa mapolanka bakeng sa ho tlatsa masoba a lipekere, likheo le likoli holim'a mapolanka.Li fana ka sekhomaretsi se setle ho li-substrates tsa patsi 'me li ka silafatsoa kapa tsa penta ho lumellana le qetello e potolohileng.
Marine le Aerospace: Liindastering tsa metsing le tsa sefofane, li-putty tse thehiloeng ho HPMC li sebelisetsoa ho lokisa fiberglass, composite, le mehaho ea tšepe.Li-putty tsena li bonts'a matla a phahameng, ho hanyetsa kutu, le botsitso ba sebopeho, ho li etsa hore li tšoanelehe bakeng sa lits'ebetso tse batloang libakeng tse thata.
5. Mekhoa le Lintlafatso tsa Kamoso:
Ha lipatlisiso le nts'etsopele ea mahlale a thepa e ntse e tsoela pele, karolo ea HPMC ho li-putty formulations e lebelletsoe ho tsoela pele ho ea pele.Libaka tse ka sehloohong tseo ho lebisitsoeng tlhokomelo ho tsona nakong e tlang li kenyelletsa:
Ts'ebetso e Ntlafetseng: Boiteko bo ntse bo tsoela pele ho nts'etsapele li-putty tse thehiloeng ho HPMC tse nang le thepa e ntlafalitsoeng ea mochini, joalo ka ho eketsa matla a ho tsitlella, ho hanyetsa tšusumetso, le ho fetoha habonolo.Lintlafatso tsena li ikemiselitse ho atolosa mefuta e mengata ea lits'ebetso le ho fana ka ts'ebetso e phahameng maemong a boima.
Litlhophiso tsa Setsoalle sa Tikoloho: Ho na le thahasello e ntseng e hola ea ho theha li-putty tse sebelisang lisebelisoa tse bolokang tikoloho le tse tšoarellang, ho kenyeletsoa le lipolymer tse ka senyehang habonolo tse nkiloeng mehloling e ka nchafatsoang.HPMC, ka tlhaho ea eona ea ho bola le ho se chefo, e boemong bo botle ba ho bapala karolo e hlahelletseng ntlafatsong ea li-putty tse tala.
Smart Materials: Ho kopanngoa ha lisebelisoa tse bohlale le li-additives tse sebetsang ho li-putty tse thehiloeng ho HPMC ke mokhoa o hlahang.Li-putty tsena tse bohlale li ka bonts'a thepa ea ho ipholisa, matšoao a fetolang mebala, kapa mokhoa o ntlafetseng, ho bula menyetla e mecha bakeng sa lits'ebetso tse ncha likarolong tse kang ho hlahloba bophelo bo botle le mekhoa ea ho lokisa e ikamahanyang le maemo.
Hydroxypropyl Methylcellulose (HPMC) e bapala karolo ea bohlokoa ho khethollang thepa le ts'ebetso ea li-putty formulations.Motsoako oa eona o ikhethang oa thepa, ho kenyeletsoa ho boloka metsi, botenya, le bokhoni ba ho etsa lifilimi, e etsa hore e be motsoako oa bohlokoa mefuteng e mengata ea li-putty.Ha liindasteri li ntse li tsoela pele ho batla lisebelisoa tse sebetsang hantle tse nang le ts'ebetso e tsitsitseng, ts'ebetso le botsitso, karolo ea HPMC ho theheng bokamoso ba theknoloji ea putty e tla ba ea bohlokoa le ho feta.Ka ho sebelisa thepa ea tlhaho ea HPMC le ho hlahloba mekhoa e mecha, bafuputsi le bahlahisi ba ka tsoela pele ho sutumelletsa meeli ea se ka khonehang ka thepa ea putty, ho khanna tsoelo-pele ea kaho, tlhahiso le liindasteri tsa tokiso.
Nako ea poso: Apr-01-2024