1. Hydroxypropyl methyl cellulosesoluble mumvura inotonhora, mvura inopisa yakanyungudutswa ichasangana nematambudziko. Asi tembiricha yayo yegelation mumvura inopisa yakanyanya kukwirira kupfuura yemethyl cellulose. Iyo solubility yemethyl cellulose mumvura inotonhora zvakare inovandudzwa zvakanyanya.
2. Iyo viscosity yehydroxypropyl methyl cellulose inoenderana nehuremu hwayo hwemamorekuru, uye huremu hombe hwema molecular ndiyo yakakwira viscosity. Tembiricha ichakanganisawo viscosity yayo, tembiricha inowedzera, viscosity inoderera. Nekudaro, iyo viscosity yekushisa kwepamusoro yakaderera pane iyo yemethyl cellulose. Mushonga wacho wakagadzikana kana wakachengetwa pakushambidzika kwekamuri.
3. Hydroxypropyl methyl cellulose yakagadzikana kune asidi uye alkali, uye mhinduro yayo yemvura yakanyatsogadzikana muhuwandu hwepH = 2 ~ 12. Caustic soda uye mvura yeraimu haina simba guru pane zvayo, asi alkali inogona kukurumidza kuparara kwayo uye inovandudza viscosity yepini. Hydroxypropyl methyl cellulose ine kugadzikana kune yakajairwa munyu, asi kana iyo yakasanganiswa yemunyu munyu yakakwira, viscosity yehydroxypropyl methyl cellulose mhinduro inowedzera kuwedzera.
4. Kuchengetwa kwemvura ye hydroxypropyl methyl cellulose kunoenderana nekuwedzera kwayo, viscosity, nezvimwewo. Muyero wekuchengetedza mvura pasi pehuwandu hwekuwedzera huwandu hunopfuura hwemethyl cellulose.
5. Kunamatira kwehydroxypropyl methyl cellulose kukuvaka kwedhaka yakakwirira kudarika yemethyl cellulose.
6. Hydroxypropyl methyl celluloseine enzyme iri nani inopikisa pane methyl cellulose, uye mukana wekukanganisa enzymatic mumhinduro wakaderera pane methyl cellulose.
Nguva yekutumira: Kubvumbi-26-2024