Mu matope osakaniza bwino, kuwonjezera kwa ether ya cellulose kumakhala kochepa kwambiri, koma kumatha kusintha kwambiri magwiridwe antchito a matope onyowa, omwe ndi chowonjezera chachikulu chomwe chimakhudza magwiridwe antchito a matope omangira. Udindo wofunikira wa HPMC mu matope makamaka uli m'mbali zitatu, chimodzi ndi mphamvu yabwino yosungira madzi, chachiwiri ndi momwe matope amagwirira ntchito, ndipo chachitatu ndi momwe amagwirira ntchito ndi simenti.
1. Kukhuthala kwa efa ya cellulose, kumakhala bwino kwambiri pakusunga madzi.
2. Kuchuluka kwa ether ya cellulose mu matope kukakhala kwakukulu, kumakhala bwino kwambiri pakusunga madzi.
3. Pa kukula kwa tinthu, tinthu tating'onoting'ono tikakhala tating'ono, madzi amasungidwa bwino.
4. Kusunga madzi kwa methyl cellulose ether kumachepa ndi kuwonjezeka kwa kutentha.
Mphamvu yokhuthala ya hydroxypropyl methyl cellulose monga chokhuthala imakhudzana ndi kukula kwa tinthu tating'onoting'ono, kukhuthala, ndi kusintha kwa hydroxypropyl methyl cellulose. Kawirikawiri, kukhuthala kwa ether ya cellulose kukakhala kwakukulu, kukula kwa tinthu tating'onoting'ono kumakhala kochepa, ndipo kukhuthala kwake kumaonekera bwino.
Ntchito yachitatu ya ma cellulose ethers ndikuchedwetsa njira yothira madzi ya simenti. Ma cellulose ethers amapereka zinthu zosiyanasiyana zothandiza ku matope komanso amachepetsa kutulutsa madzi koyambirira kwa simenti ndikuchedwetsa njira yothira madzi ya simenti. Pamene kuchuluka kwa cellulose ether mu mineral gel kukwera, zotsatira za kuchedwa kwa madzi zimawonekera kwambiri. Ma cellulose ethers samangochedwetsa kukhazikika, komanso amachedwetsa njira yolimbitsira ya simenti. Ndi kuchuluka kwa HPMC dosing, nthawi yokhazikika ya matope inakula kwambiri.
Mwachidule, mu matope osakaniza kale, HPMC imagwira ntchito yosunga madzi, kukhuthala, kuchedwetsa mphamvu ya simenti yosungunula madzi komanso kukonza magwiridwe antchito omanga. Kutha kusunga madzi bwino kumapangitsa kuti simenti ikhale yosungunula madzi bwino, zomwe zingathandize kuti matope onyowa azigwirana bwino komanso kuwonjezera mphamvu ya matope. Chifukwa chake, HPMC ikugwiritsidwa ntchito kwambiri ngati chowonjezera chofunikira mu matope osakaniza kale.
Nthawi yotumizira: Januwale-20-2022