Hydroxypropyl methylcellulose (HPMC) nzira yekubvisa:

Kana hydroxypropyl methylcellulose (HPMC) zvigadzirwa zvinowedzerwa zvakananga kumvura, zvinobatana zvobva zvanyungudika, asi kupera uku kunonoka uye kwakaoma. Pane nzira nhatu dzakakurudzirwa dzekumisa pazasi, uye vashandisi vanogona kusarudza nzira iri nyore zvichienderana nekushandisa kwavo:

1. Nzira yemvura inopisa: Sezvo hydroxypropyl methylcellulose (HPMC) isinganyungudika mumvura inopisa, danho rekutanga rehydroxypropyl methylcellulose (HPMC) rinogona kuparadzirwa zvakaenzana mumvura inopisa, uye kana yatonhodzwa, matatu A akajairika nzira inotsanangurwa se. zvinotevera:

1). Isa huwandu hunodiwa hwemvura inopisa mumudziyo uye kupisa kusvika ku70 ° C. Zvishoma nezvishoma wedzera hydroxypropyl methylcellulose (HPMC) pasi pekusimudzira zvishoma nezvishoma, iyo hydroxypropyl methylcellulose (HPMC) inotanga kuyangarara pamusoro pemvura, uye zvishoma nezvishoma inogadzira slurry, inotonhorera slurry pasi pekukurudzira.

2). Pisa 1/3 kana 2/3 (chiyero chinodiwa) chemvura mumudziyo wopisa kusvika 70°C. Maererano nenzira ye1), paradzira hydroxypropyl methylcellulose (HPMC) kugadzirira mvura inopisa slurry; Wobva wawedzera huwandu hwasara hwemvura inotonhora kana mvura yechando mumudziyo, wobva wawedzera yataurwa pamusoro apa hydroxypropyl methylcellulose (HPMC) inopisa mvura inotsvedza mumvura inotonhora, uye kurunga, wozotonhodza musanganiswa.

3). Isa 1/3 kana 2/3 yehuwandu hunodiwa hwemvura mumudziyo wopisa kusvika 70°C. Maererano nenzira ye1), paradzira hydroxypropyl methylcellulose (HPMC) kugadzirira slurry yemvura inopisa; Iyo yakasara yemvura inotonhora kana yechando inowedzerwa kune inopisa mvura slurry uye musanganiswa unotonhodzwa mushure mekukurudzira.

2. Powder mixing method: hydroxypropyl methylcellulose (HPMC) powder particles uye imwe yakaenzana kana yakawanda yezvimwe zvinhu zvehupfu zvinoparadzirwa zvakakwana nekusanganiswa kwakaoma, uye zvino kunyungudutswa mumvura, ipapo hydroxypropyl methylcellulose Base cellulose (HPMC) inogona kunyungudutswa pasina agglomeration. . 3. Organic solvent wetting method: pre-disperse kana wet hydroxypropyl methylcellulose (HPMC) ine organic solvents yakadai se ethanol, ethylene glycol kana mafuta, uye wozoinyungudutsa mumvura. Panguva ino, hydroxypropyl methylcellulose (HPMC) inogonawo kunyungudika zvakanaka.