Hydroxylopenyl cellulose (HPMC) ipolymer yakagadzirwa inoshandiswa zvakanyanya mumabasa akasiyana-siyana akadai semishonga, chikafu, zvivakwa uye zvizoro. Inobva mu cellulose uye inogadzira glue coagulant pane hydrophilic. Mhando yakachena yeHPMC ihupfu huchena husina kunaka hunonyungudutswa mumvura kuti hugadzire mucus solution yakajeka.
Kusanganiswa kweHPMC inzira yekuwedzera kana kusanganisa zvinhu zvakachena kune zvimwe zvinhu kuti ichinje hunhu hwayo kana kuderedza mari yekugadzira. Kushandiswa kwedoping muHPMC kunogona kushandura hunhu hweHPMC, hwemakemikari uye hwemakanika. HPMC inoshandisa zvinhu zvakasiyana-siyana zvinoshandisa doping, zvinosanganisira starch, mazambiringa, cellulose, sucrose, glucose, carboxymethyl cellulose sodium (CMC) uye polyethylene ethylene (PEG). Kuwedzera kweizvi zvinhu zvakakura kuchakanganisa kunaka, kuchengetedzeka uye kushanda zvakanaka kweHPMC.
Kune misiyano yakati wandei pakati peHPMC yakachena ne cellulose yekusanganisa:
1. Kuchena: Musiyano mukuru uripo pakati peHPMC yakachena ne cellulose yekusanganisa zvinhu ndeyekuchena kwayo. HPMC yakachena chinhu chimwe chete chisina tsvina kana zvimwe zvinowedzerwa. Kune rumwe rutivi, cellulose yekusanganisa zvinhu ine zvimwe zvinhu, izvo zvinogona kunge zviri zvimwe zvinhu zvinokanganisa hunhu hwavo nemaune kana kuti netsaona.
2. Hunhu hwemuviri: HPMC yakachena imhando yeupfu huchena, husina kunaka, hunonyungudika mumvura kuti hugadzire mhinduro inoonekera ine viscous. HPMC yekusanganisa inogona kunge iine hunhu hwakasiyana hwemuviri, zvichienderana nerudzi nehuwandu hwechinhu chinosanganisa viscous. Kupinda kwayo kunogona kukanganisa kunyungudika, viscosity uye ruvara rwechinhu chacho.
3. Hunhu hwemakemikari: HPMC yakachena ipolymer yakachena kwazvo ine hunhu hwemakemikari hwakafanana. Kugamuchirwa kune zvimwe zvinhu kunogona kushandura hunhu hwemakemikari eHPMC, izvo zvinokanganisa mashandiro ayo uye kuchengetedzeka kwayo.
4. Kuchengetedzeka: Kushandiswa kwe cellulose yekusanganisa zvinhu kunogona kukuvadza hutano nekuti kusanganisa zvinhu izvi kunogona kunge kune zvinhu zvine chepfu kana zvinokuvadza. Kusanganisa zvinhu izvi ne HPMC kunogonawo kusangana nezvimwe zvinhu nenzira isingatarisirwi, izvo zvinokonzera matambudziko makuru ehutano.
5. Mutengo: Cellulose yakagadziriswa yakachipa pane HPMC yakachena, nekuti kuwedzerwa kwemishonga inodhakisa kunoderedza mari yekugadzira. Zvisinei, kushandiswa kweHPMC yekusanganisa mishonga kana zvimwe zvigadzirwa kunogona kukanganisa kunaka uye kushanda zvakanaka kwechigadzirwa.
Zvose pamwe chete, HPMC yakachena ipolymer yakachena uye yakachengeteka, ine hunhu hwemakemikari nehunhu hwemuviri hunogara huripo. Kusanganiswa nezvimwe zvinhu kunogona kushandura hunhu hweHPMC, nokudaro kuchikanganisa kunaka uye kuchengetedzeka kwechigadzirwa. Saka, HPMC yakachena inofanira kushandiswa mukugadzira mishonga, chikafu, zvivakwa nezvimwe zvigadzirwa.
Nguva yekutumira: Chikumi-26-2023