Focus on Cellulose ethers

Mofuta oa hang-hang hydroxypropyl methylcellulose

Mofuta oa hang-hang hydroxypropyl methylcellulose

1. Likahare tsa metsi li phahame haholo, tse hlahisang lintho tse fokolang haholo, tse lekanang le ho fokotsa khatello ea tharollo.
2. Viscosity e tlaase, 'me viscosity e itseng e tšoailoeng ha e lumellane le viscosity ea sebele.
3. Hlohlelletsa esita le ka mor'a ho eketsa lisebelisoa, ho seng joalo e tla be e koahetsoe, e tšesaane ka holimo le e teteaneng ka tlase.
4. PH boleng ba metsi: Haeba boleng ba PH ba metsi bo le boholo ho feta 8, esita le haeba bo kenngoa ka tlas'a ho sisinyeha, bo ke ke ba etsa tharollo ea viscous kapele.(Empa e ke ke ea lieha joalo ka lihora tse 20).Haeba pH ea metsi e le ka tlase ho 6.5, e ka tsosoa le ka mor'a ho eketsa lisebelisoa.Empa e boetse e hloka nako e itseng ea ho qhibiliha.Nako ena e ntse e amana le boleng ba pH.Ha pH e le tlase, nako e telele.Ho kgothaletswa hore o e kenye ka metsing a sa nke lehlakore, ebe o fetola boleng ba pH ho alkaline, mme e tla theha ka potlako ho tsitsa.Ehlile, ka kakaretso ha ho na tlhoko ea liphetoho tse khethehileng ts'ebelisong ea 'nete, mme lisebelisoa tse ling tse ngata li tla eketsa boleng ba pH ka bo eona.


Nako ea poso: Jan-27-2023
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