Diluting Hydroxypropyl Methylcellulose (HPMC) inosanganisira kuiparadzira mune inonyungudutsa uchichengeta yainoda. HPMC ipolymer inotorwa kubva muselulosi, inowanzoshandiswa mumishonga, zvizorwa, uye zvekuvakisa zvekukora, kusunga, uye kugadzira firimu. Dilution inogona kuve yakakosha kune akasiyana maapplication, akadai sekugadzirisa viscosity kana kuwana inodiwa kuenderana.
1. Kunzwisisa HPMC:
Chemical Properties: HPMC ipolymer inonyungudika nemvura ine kunyungudika kwakasiyana zvichienderana nedhigirii rayo rekutsiva (DS) uye huremu hwemamorekuru (MW).
Viscosity: Viscosity yayo mumhinduro inoenderana nekutarisa, tembiricha, pH, uye kuvapo kwemunyu kana zvimwe zvinowedzera.
2. Kusarudzwa kwe Solvent:
Mvura: HPMC inowanzonyungudika mumvura inotonhora, ichigadzira mhinduro dzakajeka kana zvishoma.
Zvimwe Zvinonyungudutsa: HPMC inogonawo kunyungudika mune zvimwe zvinonyungudutsa polar zvakadai sedoro (semuenzaniso, ethanol), glycols (semuenzaniso, propylene glycol), kana musanganiswa wemvura uye organic solvents. Sarudzo inotsamira pane chaiyo application uye inodiwa zvimiro zvemhinduro.
3. Kusarudza Kufungisisa Kwaunoda:
Mafungiro: Iko kusungirirwa kunodiwa kunoenderana nekwakagadzirirwa kushandiswa, sekukora, kugadzira firimu, kana seanosunga.
Kutanga Kuisa pfungwa: HPMC inowanzo kupihwa muforomu yehupfu ine yakatsanangurwa viscosity mamakisi. Iko kusungirirwa kwekutanga kunowanzo kuratidzwa pane chigadzirwa kurongedza.
4. Kugadzirira Matanho:
Kuyera: Kunyatsoyera chiyero chinodiwa cheHPMC poda uchishandisa chiyero chakananga.
Measuring Solvent: Edza huwandu hwakakodzera hwekunyungudutsa (semuenzaniso, mvura) inodiwa pakunyungudutsa. Ita shuwa kuti solvent yakachena uye zviri nani yemhando yakakodzera yechishandiso chako.
Container Sarudzo: Sarudza mudziyo wakachena unogona kugarisa huwandu hwemhinduro yekupedzisira pasina kufashukira.
Kusanganisa Equipment: Shandisa midziyo yekukuchidzira yakakodzera vhoriyamu uye viscosity yemushonga. Magnetic stirrers, overhead stirrers, kana ma mixer anobatwa nemaoko anowanzoshandiswa.
5. Kusanganisa Maitiro:
Cold Mixing: Kune inonyungudika mumvura HPMC, tanga nekuwedzera yakayerwa solvent mumudziyo wekusanganisa.
Zvishoma nezvishoma Kuwedzera: Zvishoma nezvishoma wedzera pre-yakayerwa HPMC poda mumushonga uchiri kubvongodza nguva dzose kudzivirira kukoromoka.
Agitation: Ramba uchikurudzira kusvikira HPMC poda yakapararira zvakakwana uye pasina mapundu anosara.
Nguva yeHydration: Bvumira mhinduro ku hydrate kwenguva yakakwana, kazhinji maawa akati wandei kana husiku humwe, kuve nechokwadi chekupera uye yunifomu viscosity.
6. Kugadziriswa uye Kuedzwa:
Viscosity Adjustment: Kana zvichidiwa, gadzirisa viscosity yeHPMC mhinduro nekuwedzera humwe hupfu hwekuwedzera viscosity kana zvimwe zvinonyunguduka zvekuderera kweviscosity.
pH Kugadziriswa: Zvichienderana nekushandiswa, pH kugadzirisa kunogona kudikanwa uchishandisa asidhi kana alkaline additives. Nekudaro, HPMC mhinduro dzinowanzo kugadzikana pamusoro pehupamhi pH renji.
Kuedza: Ita zviyero zve viscosity uchishandisa viscometers kana rheometers kuona kuti mhinduro inosangana nezvinodiwa.
7. Kuchengeta uye Kubata:
Container Sarudzo: Fambisa iyo yakanyungudutswa yeHPMC mhinduro mumidziyo yekuchengetera yakakodzera, zviri nani opaque kudzivirira kubva pakuratidzwa kwechiedza.
Labeling: Nyora zvakajeka midziyo ine zviri mukati, fungidziro, zuva rekugadzirira, uye chero rumwe ruzivo rwakakodzera.
Mamiriro Ekuchengetedza: Chengetedza mushonga munzvimbo inotonhorera, yakaoma kure nechiedza chezuva uye tembiricha yakanyanyisa kudzivirira kudzikira.
Sherufu Hupenyu: HPMC mhinduro dzinowanzo kuve nekugadzikana kwakanaka asi dzinofanirwa kushandiswa mukati menguva inonzwisisika kudzivirira kusvibiswa kwehutachiona kana shanduko mune viscosity.
8. Chengetedzo Yekuchengetedza:
Zvishandiso Zvekuzvidzivirira Pamunhu (PPE): Pfeka PPE yakakodzera senge magirovhosi uye magirazi ekuchengetedza paunenge uchibata HPMC upfu uye mhinduro dzekudzivirira ganda uye kutsamwa kwemaziso.
Ventilation: Shanda munzvimbo ine mhepo inofefetera kuti urege kupinza guruva kubva paHPMC poda.
Kuchenesa: Chenesa zvinorasika nekukasira uye bvisa marara maererano nemirau yenzvimbo uye nhungamiro yevagadziri.
9. Kugadzirisa matambudziko:
Clumping: Kana masumbu akaumbwa panguva yekusanganisa, wedzera kushushikana uye funga kushandisa mumiriri wekuparadzira kana kugadzirisa nzira yekusanganisa.
Kusakwana Kuparara: Kana iyo HPMC poda isinganyanyi kunyungudika, wedzera kusanganisa nguva kana kutonhora (kana zvichibvira) uye iva nechokwadi chokuti hupfu hunowedzerwa zvishoma nezvishoma uchikurudzira.
Viscosity Variation: Kusapindirana kweviscosity kunogona kuguma nekusanganiswa kusina kunaka, zviyero zvisina kururama, kana kusvibiswa mune zvinonyungudutsa. Dzokorora dilution maitiro zvakanyatsonaka, kuve nechokwadi chekuti zvese zvakasiyana zvinodzorwa.
10. Mafungiro ekushandisa:
Kuenderana Kuyedzwa: Ita bvunzo dzekuenderana nezvimwe zvinongedzo kana zvekuwedzera zvinowanzoshandiswa muchishandiso chako kuti uve nechokwadi chekugadzikana uye kuita kwaunoda.
Performance Evaluation: Ongorora mashandiro eiyo diluted HPMC mhinduro pasi pemamiriro akakodzera kuti isimbise kukodzera kwayo kune yainoda kushandiswa.
Zvinyorwa: Chengetedza marekodhi akadzama eiyo dilution maitiro, anosanganisira kuumbwa, nhanho dzekugadzirira, mhedzisiro yekuyedza, uye chero shanduko dzakaitwa.
diluting HPMC inoda kunyatsotariswa kwezvinhu zvakasiyana-siyana sekusarudza solvent, kutsunga, kusanganisa maitiro, kuyedzwa, uye kuchengetedza kuchengetedza. Nekutevera nhanho dzakarongeka uye maitiro ekubata akakodzera, unogona kugadzirira homogeneous HPMC mhinduro dzakagadzirirwa kune yako chaiyo application zvinodiwa.
Nguva yekutumira: Mar-29-2024