1. Kudzora Kusviba
Kukwidibira kwakanyanyahydroxypropyl methylcellulosehaigone kugadzira cellulose yakawanda kwazvo nekungobvisa nitrogen nekubvisa vacuum. Zvisinei, kana mudziyo wekuyera okisijeni shoma ukaiswa muketero, kugadzirwa kwe viscosity kunogona kudzorwa nemaoko.
2. Kushandisa vamiririri vekubatana
Pamusoro pezvo, tichifunga nezvekumhanya kwekutsiva nitrogen, uye panguva imwe chete, kusimba kwemhepo yesystem kwakanaka kwazvo, uye zviri nyore kwazvo kugadzira zvigadzirwa zvine viscosity yakakwira. Ehe, mwero wepolymerization yedonje rakanatswa wakakoshawo. Kana risingashande, nzira yekubatanidza hydrophobic inoshandiswa, uye rudzii rwe associative agent inosarudzwa ine simba guru pakushanda kwechigadzirwa chekupedzisira.
3. Hunhu hweHydroxypropyl
Okisijeni yakasara mukettle ye reaction inokonzera kuti cellulose iparare uye huremu hwemamorekuru hunodzikira, asi okisijeni yakasara inogumira. Chero bedzi mamorekuru akaputsika akabatanazve, hazvisi zvakaoma kugadzira viscosity yakanyanya. Zvisinei, mwero wekuzara kwemvura wakabatanawo zvakanyanya nehuwandu hwehydroxypropyl, Mamwe mafekitori anongoda kuderedza mutengo nemutengo, uye haadi kuwedzera huwandu hwehydroxypropyl, saka mhando haigone kusvika padanho rezvigadzirwa zvakafanana.
4. Zvimwe zvinhu
Mwero wekuchengetwa kwemvura kwechigadzirwa une hukama hwakanaka nehydroxypropyl, asi pakuita kwese kwekuita, inosarudzawo mwero wekuchengetwa kwemvura, mhedzisiro yealkali, chiyero chemethyl chloride nepropylene oxide, huwandu hwealkali nemvura. Chiyero nedonje rakanatswa chinosarudza mashandiro echigadzirwa.
Nguva yekutumira: Kubvumbi-25-2024