Tusaha viscosity ee hydroxypropyl methylcellulose waa tusaha aad muhiim u ah.Viscosity ma matalo daahirnimada.Viscosity of cellulose HPMC waxay ku xiran tahay habka wax soo saarka.Deegaannada kala duwan ee loo isticmaalo waa inay doortaan HPMC cellulose leh muuqaalo kala duwan, ma aha heerka sare ee viscosity of cellulose HPMC, ayaa ka wanaagsan!Waxa xaq ah waa sax!
1. xakamaynta viscosity
Viscosity High-viscosity hydroxypropyl methylcellulose kuma soo saari karo cellulose aad u sarreeya oo keliya iyada oo faaruqinta iyo beddelka nitrogen ee wax soo saarka.Guud ahaan, wax-soo-saarka cellulose-ka-jilicsan ee Shiinaha lama xakamayn karo.Si kastaba ha ahaatee, haddii mitirka ogsijiinta lagu rakibo killida, wax soo saarka viscosity-keeda si macmal ah ayaa loo xakameyn karaa.
2. Isticmaalka wakiilka ururka
Intaa waxaa dheer, iyada oo la tixgelinayo xawaaraha beddelka ee nitrogen, way fududahay in la soo saaro alaabooyin badan oo viscosity ah iyada oo aan loo eegin sida hawo-mareenka nidaamka.Dabcan, heerka polymerization ee suufka la safeeyey ayaa sidoo kale muhiim ah.Haddii taasi shaqayn waydo, ka dibna ku samee ururka hydrophobic.Dalka Shiinaha waxaa ka jira wakiilo ururo.Nooca wakiilka ururka ee la dooranayo ayaa saameyn weyn ku leh waxqabadka badeecada ugu dambeysa.
3. Waxa ku jira Hydroxypropyl
Ogsajiinta hadhaaga ah ee ku jirta reactor waxay sababtaa hoos u dhaca unugyada unugyada iyo hoos u dhaca miisaanka kelli, laakiin ogsijiinta hadhaaga ah ayaa xaddidan, ilaa iyo inta unugyadii jabay ay dib isugu xirmaan, ma adka in la sameeyo viscosity sare.Si kastaba ha ahaatee, heerka qoyaanku wuxuu leeyahay wax badan oo ku saabsan waxa ku jira hydroxypropyl.Warshadaha qaarkood waxay rabaan oo kaliya inay yareeyaan qiimaha iyo qiimaha, laakiin ma rabaan inay kordhiyaan nuxurka hydroxypropyl, markaa tayada ma gaari karto heerka badeecadaha shisheeye ee la midka ah.
4. Qodobo kale
Heerka haynta biyaha ee badeecadu waxay leedahay xidhiidh weyn oo la leh hydroxypropyl, laakiin habka falcelinta oo dhan, waxay sidoo kale go'aamisaa heerka haynta biyaha, saamaynta alkalization, saamiga methyl chloride iyo propylene oxide, xoojinta alkali iyo haynta biyaha.Saamiga suufka la safeeyey ayaa go'aaminaya waxqabadka alaabta.
Waqtiga boostada: Abriil-04-2023