Kuparadzira hydroxytHyl Cellulose HEC isisiri-ionic, yakadzika-mvura polymer inotorwa kubva ku cellulose, inoshandiswa zvakanyanya seyakakora, inosimbisa mumiriri uye nefirimu rekugadzira. Kupararira kwakakodzera kwehec kwakakosha kuti uve nechokwadi chekuti mashandiro ayo mugumo zvigadzirwa.
Nhanganyaya kuHydroxyTHYL Cellulose (Hec)
HydroxytHyl Cellulose (Hec) ishandare yemuviri inotorwa kubva ku cellulose kuburikidza nemakemikari kugadziridzwa. Zvinowanzoshandiswa mumaindasitiri akadai:
Pharmaceuticals: Hec inoshandiswa seViscossity modifier uye stabilizer mune dzakasiyana siyana mafambiro, kusanganisira mishonga yemuromo uye yemiromo yemuromo.
Cosmetics: Hec inoshandirwa mumakirimu, lompoos, shampoos, uye zvimwe zvigadzirwa zvemunhu pachavo seyemumiririri wakakura uye emulsifier.
Chikafu: Inoshandiswa mune zvigadzirwa zvekudya seanotenda, stabilizer, uye ganda mumiririri.
Kuvaka: Hec inoshandiswa mune zvekuvaka zvakadai sekupenda, zvinonamatira, uye zvigadzirwa-zvakavakirwa zvigadzirwa zvekuvandudza zvivakwa zvavo zvetsiva.
Kukosha kwekuparadzira hec
Kupararira kwakakodzera kwehisheni kwakakosha kuti uwane zvaunoda zvivakwa mune yekupedzisira chigadzirwa. Kubudirira Kupararira Kunovimbisa:
Kufanana: Homogeneous kugoverwa kweHEC mukati meiyo mhinduro kana matrix.
Kuita: Hec kunogona kuita basa rayo, sekuti sekuremerwa, kusimbisa, kana kugadzira mafirimu.
Performance: Yakavandudzwa maitiro maitiro, kusanganisira viscosity kudzora, kugadzikana, uye chimiro.
Hupfumi: Kukurisa kugona kweHEC kushandiswa, kuderedza marara, uye kuderedza mari yekugadzira.
Nzira dzekuparadzira hec
1. Mechanical Acompation:
Kukurudzira kana kusanganisa: Shandisa michina manhamba, vanovhenganisa, kana homogeniger kuti vabudise hekita muganho kana matrix zvishoma. Gadzirisa kusimuka kwekunomhanyisa uye nguva inoenderana neHec kusimbisa uye viscosity zvinodiwa.
Yakakwira-kumhanya ichimhanya: shandisa yakakwira-mhanya-mhanyisa mhanyisa kana homogenizers yekukurumidza kupararira, kunyanya kune yakakwira hecnentirations kana viscous mhinduro.
2. Hydration maitiro:
Pre-hydration: Pre-Dissolve Hec muchikamu cheiyo solvent pamhepo tembiricha usati wawedzera kune iyo huru batch. Izvi zvinofambisa zviri nyore kupararira uye kudzivirira kudzikisira.
Kuwedzera zvishoma nezvishoma: Wedzera Hec zvishoma nezvishoma kune iyo solvent uye kugara uchimutsa kuti ive nechokwadi cheyakagadziriswa hydration uye kupararira.
3. Tembiricha kutonga:
Sereisal tembiricha Kazhinji, tembiricha yemakamuri kusvika pakukwirira kwakasimudzirwa kwakakodzera kuparadzaniswa kwehec.
Kudziya kwemvura yekugezera: Shandisa inodziya mvura yekugeza kana jackted ngarava yekudzora tembiricha panguva yekupararira, kunyanya kune mafaro anoda kupisa kwakanyanya.
4. PH kugadzirisa:
Optimal pH: Gadzirisa iyo pH yeiyo solvent kana kupararira yepakati kune iyo yakanakira huwandu hwe her solubility uye kupararira. Kazhinji, kusarerekera kune zvishoma alkaline pP mamiriro akaparadzaniswa nehec kupararira.
5. SHEAR-TUTRINGTING TEFNIQUES:
Shear Rate Kugadziridzwa: Sarudza nzira dzinotyisa-dzinotetepa nekugadzirisa masheya mareti panguva yekupararira. Yepamusoro Shear Rates inogona kubatsira mukuputsa hecz pasi uye kusimudzira kupararira.
Kushandisa kwezvinhu zvakatsanangurwa
6. Surfactant yakabatsira kupararira:
Surfactant Sarudzo: Sarudza yakakodzera surfacers Surfactants inogona kuderedza nzvimbo yekunetsana, kusimudzira kunyorova, uye rubatsiro muHec kupararira.
Surfactant Constentration: Ongorora kusungwa kweSurfers
7. Ultrasonung:
Ultrasonic kupararira: Nyorera ultrasonic simba kune iyo her holpertion uchishandisa ultrasonic pres kana mabhati. Ultrasuication inosimudzira saizi yekudzora, deaglomeration, uye yunifomu yekupararira yeec zvimedu mune solvent kana matrix.
8.
Kugaya kana kugeza
Kuongorora Saizi Ongorora: Tarisa uye kudzora iyo size saizi yekuparadzaniswa kweHEC uchishandisa maitiro akadai saLaser funcction kana kusimba kwechiedza kupararira.
9. Mhando dzekudzora matanho:
Viscossity Kuyerwa: Gara uchitarisa zvevisikopo zveHizotheni yekupararira panguva yekupararira yekuparadzira kuti ive nechokwadi chekusimbisa uye kuzadzisa zvivakwa zvaunoda.
Kuongorora Saizi kuongorora: Ita sizele saizi yekuongorora kuti uongorore kushanda kwekuparadzira uye kuve nechokwadi chekuparadzirwa kwunifomu yeec.
Kuparadzira HydroxyTH CellETHE (HEC) zvinobudirira kwakakosha kuti uwane zvaunoda zvivakwa uye kuita mune dzakasiyana siyana maindasitiri. Kushandisa nzira dzakakodzera dzekuparadzira, kusanganisira nzira yekushambadzira, nzira dzekudzidzira, tembiricha yekudzikisira, kusimuka kwekudzora, kunogona kuve nechokwadi chekupararira kwoga uye kuwedzera mashandiro ehec mune zvigadzirwa zveHEC mune magumo ezvigadzirwa. Pamusoro pezvo, kuita zvemhando yepamusoro matanho akadai seViscosity kuyerwa uye kusvitsa kuongororwa kunobatsira kuchengetedza kusawirirana uye kururamisa maitiro ekupararira. Nekutevera nhungamiro idzi, vagadziri vanogona kusimudzira kugona uye kunaka kwehwanda-yakavakirwa mafomu pane maindasitiri akasiyana.
Kutumira Nguva: Kubvumbi 09-2024