1. Ulawulo lweViscosity
I-viscosity ephezuluihydroxypropyl methylcelluloseayikwazi ukuvelisa i-cellulose ephezulu kakhulu kuphela ngokutshayela kunye nokufaka initrogen endaweni. Nangona kunjalo, ukuba isixhobo sokulinganisa i-oxygen singafakwa kwi-kettle, ukuveliswa kwe-viscosity kunokulawulwa ngokufanelekileyo.
2. Ukusetyenziswa kweearhente zokunxulumana
Ukongezelela, ukuqwalasela isantya sokutshintshwa kwe-nitrogen, kwaye kwangaxeshanye, ukuxinwa komoya kwenkqubo kuhle kakhulu, kwaye kulula kakhulu ukuvelisa iimveliso eziphezulu ze-viscosity. Ngokuqinisekileyo iqondo lepolymerization yomqhaphu osulungekileyo likwabalulekile. Ukuba ayikasebenzi, indlela yombutho we-hydrophobic isetyenzisiweyo, kwaye luhlobo luni lwe-agent ekhethiweyo ekhethiweyo inempembelelo enkulu ekusebenzeni kwemveliso yokugqibela.
3. Umxholo weHydroxypropyl
I-oksijeni eseleyo kwi-kettle yokuphendula ibangela ukuba i-cellulose ihlaziywe kwaye ubunzima be-molecular buyancipha, kodwa i-oksijini eseleyo ilinganiselwe. Ngethuba nje iimolekyuli eziqhekekileyo ziphinde zaxhunywa, akunzima ukwenza i-viscosity ephezulu. Nangona kunjalo, izinga lokugcwala kwamanzi linxulumene ngokusondeleyo nomxholo we-hydroxypropyl, ezinye iifektri zifuna kuphela ukunciphisa iindleko kunye nexabiso, kwaye azifuni ukunyusa umxholo we-hydroxypropyl, ngoko umgangatho awukwazi ukufikelela kwinqanaba leemveliso ezifanayo.
4. Ezinye izinto
Izinga lokugcinwa kwamanzi kwimveliso inobudlelwane obukhulu kunye ne-hydroxypropyl, kodwa kuyo yonke inkqubo yokuphendula, iphinda inqume izinga lokugcinwa kwamanzi, umphumo we-alkalization, umlinganiselo we-methyl chloride kunye ne-propylene oxide, ukuxinwa kwe-alkali kunye namanzi. Umlinganiselo kunye nekotoni ecocekileyo inquma ukusebenza kwemveliso.
Ixesha lokuposa: Apr-25-2024