Izinto Ezichaphazela Ukuveliswa Kwe-HPMC Kwi-Viscosity

1. Ulawulo lokuxinana

Ukuqina okuphezului-hydroxypropyl methylcelluloseayinakuvelisa i-cellulose eninzi kakhulu ngokuyitshiza nge-vacuum cleaner nokufaka i-nitrogen endaweni yayo. Nangona kunjalo, ukuba isixhobo sokulinganisa i-oxygen encinci singafakwa kwiketile, ukuveliswa kwe-viscosity kunokulawulwa ngendlela yokwenziwa.

2. Ukusetyenziswa kweearhente ezisebenzisanayo

Ukongeza, xa ucinga ngesantya sokutshintshwa kwe-nitrogen, kwaye kwangaxeshanye, ukuqina komoya kwenkqubo kulungile kakhulu, kwaye kulula kakhulu ukuvelisa iimveliso ezinobungqindilili obuphezulu. Kakade ke, inqanaba le-polymerization yekotoni ecociweyo nalo libalulekile. Ukuba ayisebenzi, kusetyenziswa indlela yokudibanisa i-hydrophobic, kwaye loluphi uhlobo lwe-associative agent ekhethiweyo lunefuthe elikhulu ekusebenzeni kwemveliso yokugqibela.

3. Umxholo weHydroxypropyl

Ioksijini eseleyo kwi-kettle yokusabela ibangela ukuba i-cellulose yonakale kwaye ubunzima be-molecular buyancipha, kodwa i-oxygen eseleyo incinci. Logama nje ii-molecules eziphukileyo ziphinde zahlanganiswa, akunzima ukwenza i-viscosity ephezulu. Nangona kunjalo, izinga lokugcwala kwamanzi likwanxulumene kakhulu nomxholo we-hydroxypropyl,Ezinye iifektri zifuna ukunciphisa iindleko kunye nexabiso kuphela, kwaye azifuni ukwandisa umxholo we-hydroxypropyl, ngoko umgangatho awunakufikelela kwinqanaba leemveliso ezifanayo.

4. Ezinye izinto

Izinga lokugcina amanzi lemveliso linobudlelwane obuhle ne-hydroxypropyl, kodwa kuyo yonke inkqubo yokusabela, ikwamisela izinga lokugcina amanzi, isiphumo se-alkaliization, umlinganiselo we-methyl chloride kunye ne-propylene oxide, uxinano lwe-alkali namanzi. Umlinganiselo wekotoni ecociweyo umisela ukusebenza kwemveliso.


Ixesha leposi: Epreli-25-2024