Ethyl cellulose microcapsule kugadzirira maitiro
Ethyl cellulose microcapsules zvidiki zvidiki kana macapsules ane core-shell chimiro, uko inoshanda musanganiswa kana mubhadharo wakavharirwa mukati me ethyl cellulose polymer shell. Aya mamicrocapsules anoshandiswa mumaindasitiri akasiyana siyana, anosanganisira emishonga, chikafu, zvizorwa, uye zvekurima, kune inodzorwa kuburitswa kana kuendeswa kwakanangwa kwechinhu chakavharirwa. Heino mhedziso yemaitiro ekugadzirira ethyl cellulose microcapsules:
1. Kusarudzwa Kwezvinhu Zvikuru:
- Iyo yakakosha zvinhu, inozivikanwawo sechinhu chinoshanda chinongedzo kana payload, inosarudzwa zvichibva pane inodiwa application uye kuburitsa maitiro.
- Inogona kuva yakasimba, mvura, kana gasi, zvichienderana nechinangwa chekushandiswa kwema microcapsules.
2. Kugadzirira Kwezvinhu Zvikuru:
- Kana iyo yepakati zvinhu yakasimba, ingangoda kuvhurika kana kuti micronized kuti iwane yainodiwa particle size kugovera.
- Kana iyo yepakati zvinhu iri mvura, inofanirwa kuve homogenized kana kuparadzirwa mune yakakodzera solvent kana mutakuri mhinduro.
3. Kugadzirira kweEthyl Cellulose Solution:
- Ethyl cellulose polymer inonyungudika mune inovhuvhuta organic solvent, senge ethanol, ethyl acetate, kana dichloromethane, kugadzira mhinduro.
- Iko kusungirirwa kwe ethyl cellulose mumhinduro kunogona kusiyana zvichienderana nehupamhi hunodiwa hwepolymer shell uye kuburitsa maitiro eiyo microcapsules.
4. Emulsification process:
- Iyo yakakosha zvinhu mhinduro inowedzerwa kune ethyl cellulose mhinduro, uye musanganiswa unoiswa emulsified kuita mafuta-mu-mvura (O/W) emulsion.
- Emulsification inogona kuwanikwa uchishandisa mechanical agitation, ultrasonication, kana homogenization, iyo inopwanya iyo core material solution kuita madonhwe maduku akaparadzirwa mu ethyl cellulose solution.
5. Polymerization kana Solidification yeEthyl Cellulose:
- Iyo emulsified musanganiswa inozoiswa pasi pepolymerization kana kuomeswa maitiro kuti igadzire iyo ethyl cellulose polymer goko rakatenderedza core zvinhu madonhwe.
- Izvi zvinogona kuwanikwa kuburikidza ne-solvent evaporation, apo iyo inoputika organic solvent inobviswa kubva emulsion, ichisiya shure yakasimbiswa microcapsules.
- Neimwe nzira, ma-cross-linking agents kana coagulation matekiniki anogona kushandiswa kuomesa ethyl cellulose goko uye kudzikamisa mamicrocapsules.
6. Kuwacha nekuomesa:
- Iyo yakaumbwa microcapsules inoshambidzwa nemushonga wakakodzera kana mvura kuti ibvise chero tsvina yakasara kana zvinhu zvisina kugadziriswa.
- Mushure mekugeza, ma microcapsules akaomeswa kuti abvise unyoro uye ave nechokwadi chekugadzikana panguva yekuchengetedza nekubata.
7. Hunhu uye Kudzora Hunhu:
- Iyo ethyl cellulose microcapsules inoratidzwa nekugovera kwavo saizi, morphology, encapsulation kunyatsoita, kuburitsa kinetics, uye zvimwe zvivakwa.
- Kuongororwa kwemhando yepamusoro kunoitwa kuti ive nechokwadi chekuti mamicrocapsules anosangana nezvinodiwa uye maitiro ekuita kwechishuwo chakatarisirwa.
Mhedziso:
Maitiro ekugadzirira ethyl cellulose microcapsules anosanganisira emulsification yechinhu chakakosha mune ethyl cellulose mhinduro, inoteverwa nepolymerization kana kuomeswa kwepolymer shell kuti ivhare iyo yakakosha zvinhu. Kungwarira kusarudzwa kwezvinhu, emulsification matekiniki, uye maparamita ekuita zvakakosha kuti uwane mayunifomu uye akagadzikana mamicrocapsules ane anodiwa zvivakwa zvekushandisa kwakasiyana.
ons.
Nguva yekutumira: Feb-10-2024