Focus on Cellulose ethers

Uhlobo olukhawulezileyo lwe-hydroxypropyl methylcellulose

Uhlobo olukhawulezileyo lwe-hydroxypropyl methylcellulose

1. Umthamo wamanzi uphezulu kakhulu, obangela umxholo ophantsi kakhulu, olingana nokunciphisa ukuxinwa kwesisombululo.
2. I-viscosity iphantsi, kwaye enye i-viscosity ephawulweyo ayihambelani ne-viscosity yangempela.
3. Gxuma nasemva kokuba ungeze izithako, ngaphandle koko iya kunqunyulwa, ibhityile phezulu kwaye iphantsi.
4. Ixabiso le-PH yamanzi: Ukuba ixabiso le-PH yamanzi likhulu kune-8, nangona lidityaniswe phantsi kokuvuselela, aliyi kwenza isisombululo se-viscous ngokukhawuleza.(Kodwa ayizukucotha njengeeyure ezingama-20).Ukuba ixabiso le-pH lamanzi lingaphantsi kwe-6.5, linokuxutywa nasemva kokongeza izinto.Kodwa kwakhona kufuna ixesha elithile lokunyibilika.Eli xesha lisahambelana nexabiso le-pH.Okukhona i-pH isezantsi, kokukhona ixesha elide.Kunconywa ukuba ungeze emanzini angathathi hlangothi, kwaye emva koko ulungelelanise ixabiso le-pH kwi-alkaline, kwaye iya kwenza ngokukhawuleza ukuhambelana.Ewe kunjalo, akukho mfuneko yohlengahlengiso olukhethekileyo ekusetyenzisweni kokwenyani, kwaye uninzi lwezinye izixhobo ziya kwandisa ngokuzenzekelayo ixabiso le-pH.


Ixesha lokuposa: Jan-27-2023
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