Kugadzira hydroxypropyl methylcellose (HPMC) inosanganisira matanho akati wandei anoshandura mheremalose muchinwiwa polymer aine huwandu hwakawanda hwekushandisa mumaindasitiri akasiyana siyana. This process typically begins with the extraction of cellulose from plant-based sources, followed by chemical modifications to introduce hydroxypropyl and methyl groups onto the cellulose backbone. Iyo inokonzeresa HPMC Polymer inopa zvivakwa zvakasarudzika zvakadai sekurema, kusunga, kusunga-kuumba, uye kuchengetwa kwemvura. Ngatisudei mune yakadzama maitiro eHPMC kugadzirwa.
1.
Iyo yekutanga mbichana yeHPMC kugadzirwa ndeye Cellulose, iyo inotorwa kubva kune zvidyarwa-zvakavakirwa masisitimu akadai sehuni dzehuni, machira ekotoni, kana zvimwe zvidyarwa zvidiki. Izvi zvinyorwa zvinosarudzwa zvichibva pazvinhu zvekuchena, cellulose zvirimo, uye zvekusimba.
2. Cellulose Exction:
Cellulose inobviswa kubva kune yakasarudzwa zvidyarwa-yakavakirwa zvinyorwa kuburikidza neyekutevedzana kwemuchina uye makemikari maitiro. Pakutanga, zvinhu zvakabiwa zvinotapira, izvo zvinogona kusanganisira kusuka, kuchema, uye kuomesa kubvisa tsvina uye kunyorova. Zvadaro, cellulose inowanzoitirwa nemakemikari akadai seAlkalis kana acids kuputsa lignin uye hemicellose, ichisiya kuseri kwemasekisirwo cellulose.
3. Kuwedzera:
Etera Iyi nhanho yakakosha yekugadzirisa zvinhu zvemasero kuti uwane iyo yaunoda mashandiro eHPMC. Eterai inowanzoitwa kuburikidza neyekuita cellalose neProulyo oxide (yeiyo hydroxyprEpropyl mapoka) uye methyl chloride (ye methyl mapoka) pamberi peAlkali casalsts pasi pemamiriro ekudzora uye kumanikidzwa.
4. Kusaruramisa nekugeza:
Mushure mekutsausa, iyo yekushandisa yemasanganiswa inosemesa kubvisa chero yakasara alkali calysts uye gadzirisa iyo ph level. Izvi zvinowanzoitwa nekuwedzera acid kana chigadziko zvichienderana nezvakananga maitiro. Kusarerekera kunoteverwa nekuwachekwa nekushambidza kuti ubvise ne-zvigadzirwa, zvisina kugadziriswa makemikari, uye kusachena kubva kuHPMC chigadzirwa.
5. Filtration uye kuoma:
Iyo isina kurapwa uye yakashambidza HPMC Solution iri pasi pehurongwa hwekuparadzanisa masisitimu akasimba uye uwane mhinduro yakajeka. Filtoration inogona kusanganisira nzira dzakasiyana-siyana dzakadai seVaCuum Filtration kana Centrifugation. Kamwe mhinduro yacho ichinge yakajekeswa, yakaomeswa kubvisa mvura uye kuwana HPMC muPowder Fomu. Nzira dzekuomesa dzinogona kusanganisira kupfava, rakapfava mubhedha kuoma, kana kuomarara, zvichienderana neyakagadziriswa chigadzirwa uye chivakwa chechigadzirwa chekupedzisira.
6. Kukuya uye kusevha (kusarudza):
Mune zvimwe zviitiko, iyo yakaoma hpmc poda inogona kuenderera mberi nekugadzirisa kwakadai sekukwevera nekucheka kuti uwane zvakananga zvidiki zvidiki uye kugadzirisa kuyerera. Iyi nhanho inobatsira kuwana HPMC ine hushoma hunhu hunhu hwakakodzera kune dzakasiyana siyana application.
7. Hunhu Control:
Muzviitiko zvese zvekugadzira, zvine mutsindo zvemhando yepamusoro matanho anoitwa kuti ave nechokwadi chekuchena, kusawirirana, uye kuita kweiyo hpmc chigadzirwa. Mhando yekudzora nzira dzinogona kusanganisira viscosity, turnle saizi kugoverwa, zvinyoro-nyoro, degree rekutsiva (DS), uye zvimwe zvinhu zvakakodzera. Nyanzvi dzekuongorora dzakadai seyekuona zviyero, spectroscopy, chromatography, uye microscopy inowanzo shandiswa kuongororwa kwemhando yemhando.
8. Kutakura uye kuchengetedza:
Kamwe chigadzirwa cheHPMC chinopfuura mhando dzekudzora mhando, iyo yakarongedzwa mumidziyo yakakodzera senge mabhegi kana madiki uye yakanyorwa zvinoenderana nezvirevo. Kurongedza kwakakodzera kunobatsira kuchengetedza iyo HPMC kubva pakunyorova, kusvibiswa, uye kukuvara kwemuviri panguva yekuchengetera uye kufambisa. Iyo HPMC yakachengetwa mumamiriro ezvinhu akadzoserwa kuti ichengetedze kugadzikana kwayo uye pasherufu-hupenyu kusvikira zvagadzirira kugovera uye kushandiswa.
Zvikumbiro zveHPMC:
Hydroxyprusyl methylcellose inowana yakawandisa yekushandisa muindasitiri akasiyana siyana kusanganisira mishonga, kuvaka, chikafu, zvigadzirwa, uye zvigadzirwa zvekutarisira. Mune mishonga, inoshandiswa sechinhu chinosvibisa, kupararira, firimu raimbove, uye rekusunungurwa-rakaburitswa-mumiririri mukugadzira piritsi. Mukuvaka, HPMC inoshandirwa seyakakwenenzverwa, kumiranza yemvura, uye mology modifier mumutero-yakavakirwa motsi, mahonje, uye madhimoni. Mukudya, anoshanda sedhizimikira, stabilizer, uye emulsifier mune zvigadzirwa senge sosi, soups, uye meso. Pamusoro pezvo, HPMC inoshandiswa mune cosmetics uye zvigadzirwa zvega zvega zvezvigadzirwa zvefirimu
Kufunga nezvenzvimbo:
Kugadzirwa kweHPMC, semifananidzo yakawanda yeindasitiri, ine zvazvinoreva zvakatipoteredza. Kuedza kuri kuitwa kuti uvandudze kugadzirwa kweHPMC Kugadzirwa kuburikidza nematanho akadai sekushandisa zvimisikidzwa zvinhu, kudzikisira kushanduka kwemazera, uye kuishandisa eco-eco-ane hushamwari matekinoroji. Pamusoro pezvo, kuvandudzwa kweBio-based HPMC kwakatorwa kubva kune yakasimba masosi akadai sealgae kana microbial fermentation inoratidza vimbiso mukuderedza nzvimbo yeHPMC yekugadzira HPMC kugadzirwa kweHPMC kugadzirwa kweHPMC kugadzirwa kweHPMC kugadzirwa kweHPMC.
Kugadzirwa kwehydroxypropropyl methylcellose kunosanganisira nzira dzakateedzana kutanga kubva kuCellulose kuongororwa kwemakemikari kugadzirisa, kucheneswa, uye kunaka kutonga. Iyo inokonzeresa HPMC Polymer inopa huwandu hwakawanda hwekuita mashandiro uye uwane zvikumbiro mumaindasitiri akasiyana siyana. Kuedza kune kusimba uye mutoro wezvakatipoteredza uri kutyaira muHPMC kugadzirwa, chinangwa chekurerutsa maitiro ayo epakatirwidzo paunenge uchisangana nekuwedzera kudiwa kweiyi polymer.
Kutumira Nguva: Mar-05-2024