1.Kuronga:
HPMCinogona kukamurwa kuita instant type uye hot-melt type. Instant-type products zvinopararira nokukurumidza mumvura inotonhora uye inonyangarika mumvura. Panguva ino, mvura haina viscosity, nokuti HPMC inongopararira mumvura uye haina kupera kwechokwadi. Mushure memaminitsi maviri, viscosity yemvura yakawedzera zvishoma nezvishoma kuti iite yakajeka viscous colloid. Zvigadzirwa zvinopisa zvinopisa, paunosangana nemvura inotonhora, zvinogona kukurumidza kuparadzirwa mumvura inopisa uye kupera mumvura inopisa. Kana tembiricha yadzikira kune imwe tembiricha, viscosity inoonekwa zvishoma nezvishoma kusvika pachena viscous colloid yaumbwa. Iyo inopisa-yakanyunguduka mhando inogona kungoshandiswa muputty poda uye dhaka. Mumvura glue uye pendi, clumping phenomenon ichaitika uye haigone kushandiswa. Rudzi rwepakarepo rune huwandu hwakakura hwemaapplication. Inogona kushandiswa mu putty poda uye dhaka, pamwe chete mumvura glue uye pendi, pasina contraindications.
2.Dissolution nzira:
Mvura inopisa yekunyungudutsa nzira: Sezvo HPMC isinganyungudika mumvura inopisa, HPMC inogona kuparadzirwa zvakafanana mumvura inopisa padanho rekutanga, uye yobva yanyungudika nekukurumidza panguva yekutonhora. Nzira mbiri dzakajairika dzinotsanangurwa seizvi: 1), isa huwandu hunodiwa mumudziyo wemvura inopisa uye inopisa kusvika ku70 ° C. Iyo hydroxypropyl methylcellulose yakawedzerwa zvishoma nezvishoma nekukurudzira kunonoka, pakutanga HPMC yakayangarara pamusoro pemvura, uye zvishoma nezvishoma yakagadzira slurry, iyo yakanyoroveswa nekukurudzira. 2), wedzera huwandu hunodiwa hwe1/3 kana 2/3 yemvura mumudziyo, uye kupisa kusvika 70 ° C, maererano nenzira ye1), paradzira HPMC, gadzirira slurry yemvura inopisa; wobva wawedzera huwandu hwakasara hwemvura inotonhora kumvura inopisa Mu slurry, musanganiswa wacho wakanyoroveswa mushure mekukurudzira.
Powder mixing method: Sanganisa HPMC poda nehuwandu hwakawanda hwezvimwe zvinhu zvehupfu, nyatsosanganisa nemusanganisi, wobva wawedzera mvura kuti inyunguduke, ipapo HPMC inogona kunyungudutswa panguva ino pasina kuungana pamwe chete, nekuti kakona kadiki kadiki kane HPMC kadiki chete Hupfu huchanyungudika pakarepo kana hwasangana nemvura. ——Iyi nzira inoshandiswa nevanogadzira putty poda nedhaka. [Hydroxypropyl methylcellulose (HPMC)inoshandiswa seyakakora uye mumiriri wekuchengetedza mvura muputty poda dhaka]
Nguva yekutumira: Kubvumbi-25-2024