1. Kupatsanura:
HPMCzvinogona kukamurwa kuita mhando yekukurumidza uye mhando yekupisa. Zvigadzirwa zvemhando yekukurumidza zvinopararira nekukurumidza mumvura inotonhora zvonyangarika mumvura. Panguva ino, mvura haina viscosity, nekuti HPMC inongopararira mumvura chete uye haina kunyungudika chaiko. Mushure memaminitsi angangoita maviri, viscosity yemvura yakawedzera zvishoma nezvishoma kugadzira colloid yakajeka ine viscous. Zvigadzirwa zvinonyungudika zvinopisa, kana zvasangana nemvura inotonhora, zvinogona kukurumidza kupararira mumvura inopisa zvonyangarika mumvura inopisa. Kana tembiricha yadzikira kusvika kune imwe tembiricha, viscosity inooneka zvishoma nezvishoma kusvika colloid yakajeka ine viscous yaumbwa. Mhando yekupisa inonyungudika inogona kushandiswa chete muputty powder nemortar. Muliquid glue nependi, clumping inoitika uye haigone kushandiswa. Instant type ine mashandisirwo akasiyana-siyana. Inogona kushandiswa muputty powder nemortar, pamwe neliquid glue nependi, pasina chero zvinopesana.
2. Nzira yekunyungudutsa:
Nzira yekunyungudutsa mvura inopisa: Sezvo HPMC isinganyungudike mumvura inopisa, HPMC inogona kupararira zvakaenzana mumvura inopisa pakutanga, yozonyungudika nekukurumidza panguva yekutonhodza. Nzira mbiri dzakajairika dzinotsanangurwa seizvi: 1), isa huwandu hunodiwa mumvura inopisa muchirongo woipisa kusvika pa70°C. Hydroxypropyl methylcellulose yakawedzerwa zvishoma nezvishoma nekukurunga zvishoma nezvishoma, pakutanga HPMC yaiyerera pamusoro pemvura, uye zvishoma nezvishoma yakagadzira slurry, iyo yakatonhodzwa nekukurunga. 2), wedzera huwandu hunodiwa hwe1/3 kana 2/3 yemvura iri muchirongo, woipisa kusvika pa70°C, zvichienderana nenzira ye1), paradzira HPMC, gadzira slurry yemvura inopisa; wobva wawedzera huwandu hwasara hwemvura inotonhora mumvura inopisa. Muslurry, musanganiswa wacho waitonhodzwa mushure mekukurunga.
Nzira yekusanganisa upfu: Sanganisa upfu hweHPMC nezvimwe zvinhu zvakawanda zvakaita seupfu, sanganisa zvakanaka nemuchina wekusanganisa, wobva wawedzera mvura kuti inyunguduke, ipapo HPMC inogona kunyungudutswa panguva ino isina kubatana, nekuti kona diki yega yega ine HPMC diki. Upfu huchanyunguduka pakarepo kana hwasangana nemvura. ——Nzira iyi inoshandiswa nevagadziri veputty powder nemortar. [Hydroxypropyl methylcellulose (HPMC)inoshandiswa sechinosimbisa uye chinochengetedza mvura muhari yeputty powder.]
Nguva yekutumira: Kubvumbi-25-2024