Hydroxypropyl Methylcellulose (HPMC) ke cellulose ether e sebelisoang hangata liindastering tse fapaneng, ho kenyeletsoa kaho, meriana, lijo le litlolo. Kahong, HPMC e sebelisoa khafetsa joalo ka tlatsetso ka har'a seretse ka lebaka la bokhoni ba eona ba ho ntlafatsa thepa e fapaneng ea metsoako ea seretse, ho kenyeletsoa ho sebetsa, ho boloka metsi, le ho khomarela. E 'ngoe ea lintlha tsa bohlokoa tsa ts'ebetso ea seretse ke matla a eona, 'me HPMC e hlile e ka susumetsa litšobotsi tsa matla tsa metsoako ea seretse.
Taba ea pele, ho bohlokoa ho utloisisa sebopeho sa seretse le karolo ea lisebelisoa tse fapaneng ho fumana matla a sona. Seretse ke motsoako oa thepa ea samente (joalo ka samente ea Portland), li-aggregates (joalo ka lehlabathe), metsi le li-additives. Matla a seretse haholo-holo a itšetlehile ka ho phalla ha likaroloana tsa samente, tse etsang matrix a kopanyang lihlopha hammoho. Leha ho le joalo, lintlha tse 'maloa, ho kenyelletsa le karo-karolelano ea samente ea metsi, likarolo tse kopaneng, le boteng ba li-additives, li ka ama kholo ea matla ea seretse haholo.
Hangata HPMC e eketsoa ho metsoako ea seretse e le ntho e bolokang metsi le e teteaneng. E ntlafatsa ts'ebetso ka ho matlafatsa momahano oa motsoako, ho fokotsa ho theoha kapa ho thella, le ho lumella ts'ebeliso e ntle holim'a libaka tse otlolohileng. Ho feta moo, HPMC e etsa filimi ho potoloha likaroloana tsa samente, e thusang ho boloka metsi le ho fana ka samente nako e telele, e lebisang ntlafatsong ea matla ha nako e ntse e feta.
E 'ngoe ea litsela tse mahlonoko tseo HPMC e amang matla a seretse ka tsona ke ka ho fokotsa tahlehelo ea metsi ka mouoane nakong ea ho beha le ho phekola. Ka ho etsa filimi e sireletsang holim'a likaroloana tsa samente, HPMC e fokotsa lebelo leo metsi a fetohang mouoane ho tloha motsoako oa seretse. Ho tšeloa ha samente ka nako e telele ho etsa hore ho be le metsi a lekaneng le a ts'oanang, e leng se etsang hore ho be le seretse se teteaneng le se matla. Ka lebaka leo, liretse tse nang le HPMC li na le ho bonts'a matla a holimo a khatello le a feto-fetohang ha a bapisoa le a se nang ona, haholoholo lilemong tse tlang.
Ho feta moo, HPMC e ka sebetsa e le moemeli ea qhalakanyang, e khothalletsa kabo e tšoanang ea likaroloana tsa samente le lisebelisoa tse ling ho pholletsa le motsoako oa seretse. Kabo ena e tšoanang e thusa ho fihlela thepa ea matla e tsitsitseng ho pholletsa le sehlopha sohle sa seretse. Ho feta moo, HPMC e ka ntlafatsa ho khomaretsoa ha seretse ho li-substrates tse fapaneng, joalo ka likarolo tsa masonry kapa lithaele, tse lebisang ho matla a matla a tlamahano.
Leha ho le joalo, ho bohlokoa ho hlokomela hore phello ea HPMC ho matla a seretse e ka fapana ho latela lintlha tse 'maloa, ho kenyeletsoa litekanyetso tsa HPMC, mofuta le litekanyetso tsa li-additives tse ling tse teng motsoakong, litšobotsi tsa samente le likarolo tse sebelisoang, maemo a tikoloho nakong ea ho kopanya, ho beha le ho phekola, hammoho le litlhoko tse khethehileng tsa kopo e reriloeng.
Le hoja HPMC ka kakaretso e matlafatsa matla a seretse, tšebeliso e feteletseng kapa tekanyo e fosahetseng ea HPMC e ka ba le liphello tse mpe. Maemo a phahameng a HPMC a ka lebisa ho keneng ho feteletseng ha moea, ho fokotsa ts'ebetso, kapa ho lieha ho beha nako, e ka amang ts'ebetso eohle ea seretse hampe. Ka hona, ho bohlokoa ho nahana ka hloko litekanyetso tsa HPMC le litlatsetso tse ling ho latela litlhoko tse ikhethileng tsa projeke le ho etsa liteko tse felletseng ho ntlafatsa motsoako oa seretse bakeng sa matla le ts'ebetso e lakatsehang.
Hydroxypropyl Methylcellulose (HPMC) e bapala karolo e kholo ho ntlafatseng matla a metsoako ea seretse e sebelisoang lits'ebetsong tsa kaho. Ka ho ntlafatsa ho bolokoa ha metsi, ho sebetsa le ho khomarela, HPMC e thusa ho tsamaisa metsi ka mokhoa o sebetsang haholoanyane oa likaroloana tsa samente, e leng se bakang matrices a teteaneng le a matla a seretse. Leha ho le joalo, litekanyetso tse nepahetseng le ho nahanela likarolo tse ling tsa motsoako li bohlokoa ho sebelisa bokhoni bo felletseng ba HPMC ha u ntse u qoba mathata a ka bang teng. Ka kakaretso, HPMC e sebetsa e le tlatsetso ea bohlokoa ho ntlafatseng ts'ebetso ea metsoako ea seretse, e tlatsetsang ho tšoarella le ho ts'epahala ha merero ea kaho.
Nako ea poso: Jun-04-2024