Nhamba ye viscosity yehydroxypropyl methylcellulosechiratidzo chakakosha zvikuru. Kupenya hakumiriri kuchena. Kupenya kwe cellulose HPMC kunoenderana nemaitiro ekugadzira. Nzvimbo dzakasiyana dzekushandisa dzinofanira kusarudza cellulose HPMC ine kupenya kwakasiyana, kwete kupenya kwakanyanya kwe cellulose HPMC, zviri nani! Chakarurama ndicho chakanaka √
Kudzora Kusviba
1. Hydroxypropyl methylcellulose ine viscosity yakakura haigone kugadzira cellulose yakawanda nekungobvisa nitrogen ne vacuum. Kazhinji, kugadzirwa kwe cellulose ine viscosity yakakura muChina hakugone kudzorwa. Zvisinei, kana mudziyo wekuyera oxygen shoma ukaiswa muketero, kugadzirwa kwe viscosity kunogona kudzorwa nemaoko.
Kushandisa ma associative agents
2. Pamusoro pezvo, tichifunga nezvekumhanya kwekutsiva nitrogen, uye panguva imwe chete, zviri nyore kwazvo kugadzira zvigadzirwa zvine viscosity yakanyanya zvisinei nekuti system yacho haina mhepo yakawanda sei. Ehe, mwero wepolymerization yedonje rakanatswa wakakoshawo. Kana izvozvo zvikasashanda, zviite ne hydrophobic association. Kune mishonga yemumba inobatanidza zvinhu izvi. Rudzi rwemishonga inosanganiswa inosarudzwa rune simba guru pakushanda kwechigadzirwa chekupedzisira.
Zviri mukati mehydroxypropyl
3. Okisijeni yasara iri mu reactor inotungamira mukuora kwe cellulose uye kudzikira kwehuremu hwemamorekuru, asi okisijeni yasara ine muganho. Hazvina kuoma kugadzira viscosity yakanyanya chero bedzi mamorekuru akaputsika akabatanazve. 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 zvekunze.
zvimwe zvinhu
4. Mwero wekuchengetwa kwemvura kwechigadzirwa une hukama hwakanaka nehydroxypropyl, asi pakuita kwese kwekuita, inosarudzawo mwero wekuchengetwa kwemvura, mhedzisiro yealkali, chiyero chemethyl chloride nepropylene oxide, uye huwandu hwealkali. Uye chiyero chemvura nedonje rakacheneswa chinosarudza mashandiro echigadzirwa.
Nguva yekutumira: Gumiguru-19-2022