Iyo nzira dzekunyungudutsa dzeHPMC dzinosanganisira: mvura inotonhora nekukurumidza mhinduro nzira uye inopisa mhinduro nzira, poda yekusanganisa nzira uye organic solvent wetting nzira.
Mushonga wemvura inotonhora weHPMC unobatwa ne glyoxal, iyo inokurumidza kuparadzirwa mumvura inotonhora.Panguva ino, haisi mhinduro chaiyo.Ndiyo mhinduro apo viscosity inowedzera.Iyo inopisa mhinduro haina kubatwa ne glyoxal.Kana huwandu hweglyoxal hwakakura, huchapararira nekukurumidza, asi viscosity ichasimuka zvishoma nezvishoma.
Sezvo HPMC isinganyunguriki mumvura inopisa, HPMC inogona kuparadzirwa zvakaenzana mumvura inopisa padanho rekutanga, uye yobva yanyungudika nekukurumidza kana yatonhodzwa.
Nzira mbiri dzakajairika dzinotsanangurwa pasi apa:
1) Isa huwandu hunodiwa hwemvura inopisa mumudziyo uye kupisa kusvika ku70 ℃.Hydroxypropyl methylcellulose yakawedzerwa zvishoma nezvishoma pasi pekugadzirisa zvishoma nezvishoma, HPMC yakatanga kutenderera pamusoro pemvura, uye zvishoma nezvishoma yakagadzira slurry, iyo yakanyoroveswa pasi pekukurudzira.
2) Wedzera 1 / 3 kana 2 / 3 yemvura inodiwa mumudziyo, kupisa kusvika ku70 ℃, paradzira HPMC maererano nenzira ye1) kugadzirira slurry yemvura inopisa;Zvadaro wobva wawedzera mvura inotonhora yakasara kune inopisa mvura slurry, simbisa uye utonhodze musanganiswa.
Mvura inotonhora pakarepo HPMC inogona kunyungudutswa nekuwedzera mvura zvakananga, asi yekutanga viscosity nguva ndeye 1 kusvika 15 maminetsi.Nguva yekushanda haifaniri kudarika nguva yekutanga.
Powder mixing method: HPMC poda yakaparadzirwa zvachose nekusanganiswa kwakaoma nezvikamu zvakafanana kana zvakawanda zvehupfu, uye zvino inonyungudutswa nemvura.Muchiitiko ichi, HPMC inogona kuputswa pasina caking.
Organic solvent wetting nzira:
Hydroxypropyl methylcellulose inogona kunyungudutswa nekuiparadzira mu organic solvent kana kuinyorovesa neorganic solvent, wobva wawedzera kumvura inotonhora kana mvura inotonhora.Ethanol, ethylene glycol, nezvimwewo zvinogona kushandiswa se organic solvent.
Nguva yekutumira: Jan-20-2022