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Nhau

Zvinhu zvinokanganisa iyo viscosity kugadzirwa kweHPMC

1. Viscosity Control

Yakakwira-viscosity hydroxyprospropyl methylcellose haikwanise kubereka zvakanyanya cellulose cellulose chete nekuputika uye kutsiva ne nitrogen. Nekudaro, kana okisijeni rekutsvajisa okisijeni rekuyera rinogona kuiswa muKettle, kugadzirwa kwe viscosity kunogona kudzorwa zvakaringana.

2. Kushandisa kwevasungwa vamiririri

Mukuwedzera, kufunga nezvekumhanya kwekutsiva kwe nitrogen, uye panguva imwe chete, iyo mhepo yakasimba yehurongwa yakanaka kwazvo, uye zviri nyore kwazvo kuburitsa zvigadzirwa zvepamusoro-viscosity. Ehezve iyo degree rePolymerization yekotoni yakanatswa zvakare yakakoshawo. Kana ichiri kushanda, iyo hydrophobic yekushamwaridzana nzira inoshandiswa, uye rudzii rwemumiriri wezvekushamwaridzana zvinosarudzwa zvine pesvedzero huru pakuita kwechigadzirwa chekupedzisira.

3. Hydroxyprupropyl zvemukati

Iyo yakasara oxygen mune reaction kekiti inokonzeresa iyo cellulose yekushambadzira uye uremu hwemanyorerwe hwadzikira, asi oksiligen yakasara ishoma. Chero bedzi mamorekuru akaputsika anoverengwa, hazvina kuoma kuita viscosity yakakwira. Nekudaro, iyo mwero wemvura unoenderana chaizvo nezviri mukati meiyo hydroxyprupyl, mamwe mafungu anongoda kuderedza mutengo nemutengo, saka hunhu harigone kusvika padanho rezvigadzirwa zvakafanana.

4. zvimwe zvinhu

Rwiyo rwekuchengetwa kwemvura rwechigadzirwa ine hukama hukuru ne hydroxypruppropyl, asi zvenguva yese yekugadzirisa, mhedzisiro yeayo methyl chloriide Iyo ratio ine yakanatswa cottoni inosarudza kuita kwechigadzirwa.


Kutumira Nguva: Nov-24-2022