Ethyl cellulose microcapsule faiga sauniuni

Ethyl cellulose microcapsule faiga sauniuni

Ethyl cellulose microcapsules o ni mea ninii po'o ni capsules ma se fausaga atigi-autu, lea o lo'o fa'apipi'iina ai le mea galue po'o le uta i totonu o se atigi polymer ethyl cellulose.O nei microcapsules o loʻo faʻaaogaina i pisinisi eseese, e aofia ai vailaʻau, meaʻai, mea teuteu, ma faʻatoʻaga, mo le faʻatonutonuina o le tuʻuina atu poʻo le tuʻuina atu o le mea faʻapipiʻi.O se fa'amatalaga lautele lenei o le faagasologa o sauniuniga mo microcapsules ethyl cellulose:

1. Filifiliga o Mea Autu:

  • O le mea autu, e taʻua foi o le elemene galue poʻo le uta, e filifilia e faʻavae i luga o le manaʻoga faʻaoga ma faʻamalolo uiga.
  • E mafai ona avea ma se malo, vai, poʻo le kesi, faʻatatau i le faʻaogaina o microcapsules.

2. Sauniuniga o Mea Autu:

  • Afai o le mea autu o se mea malō, atonu e manaʻomia ona faʻaeleʻa pe micronize e ausia ai le faʻasoaina o le tele o vaega.
  • Afai o le mea autu o se vai, e tatau ona homogenized pe salalau i se solvent talafeagai po o se vaifofo ave.

3. Sauniuniga ole Ethyl Cellulose Solution:

  • O le polymer ethyl cellulose e fa'amavae i totonu o se so'o fa'aola, pei ole ethanol, ethyl acetate, po'o le dichloromethane, e fai ai se vaifofo.
  • O le faʻaogaina o le ethyl cellulose i totonu o le vaifofo e mafai ona fesuisuiaʻi e faʻatatau i le mafiafia manaʻomia o le atigi polymer ma uiga faʻamalolo o microcapsules.

4. Fa'agasologa o le Emulsification:

  • O le vaifofo autu o loʻo faʻaopoopoina i le ethyl cellulose solution, ma o le faʻafefiloi e faʻafefeteina e fausia ai se suauʻu-i-vai (O / W) emulsion.
  • Emulsification e mafai ona ausia e ala i le faʻaogaina o masini, ultrasonication, poʻo le homogenization, lea e talepeina ai le vaifofo autu i totonu o matāua laiti ua salalau i totonu o le ethyl cellulose solution.

5. Polymerization po'o le Solidification o le Ethyl Cellulose:

  • O le paluga emulsified o le a faia i se polymerization po solidification faagasologa e fausia ai le ethyl cellulose polymer atigi faataamilo i mataua mea autu.
  • E mafai ona ausia lenei mea e ala i le faʻafefe o le solvent, lea e aveese ai le solvent organic volatile mai le emulsion, ma tuʻu ai microcapsules solidified.
  • E le gata i lea, e mafai ona fa'aogaina so'o feso'ota'i po'o auala fa'a'au'au e fa'amaua ai le atigi ethyl cellulose ma fa'amautu ai microcapsules.

6. Fufulu ma Fagogo:

  • O microcapsules ua fausia e fufuluina i se solu talafeagai poʻo se vai e aveese ai soʻo se mea leaga o loʻo totoe poʻo mea e leʻi faʻaogaina.
  • A uma ona fufulu, e faʻamago microcapsules e aveese ai le susu ma faʻamautinoa le mautu i le taimi o le teuina ma le taulimaina.

7. Fa'asinomaga ma Pulea Tulaga:

  • O le ethyl cellulose microcapsules o loʻo faʻaalia mo lo latou tufatufaina tele, morphology, faʻaogaina lelei, faʻamalolo kinetics, ma isi meatotino.
  • E fa'atautaia su'ega lelei e fa'amautinoa ai o microcapsules e fetaui ma fa'amatalaga mana'omia ma ta'iala fa'atinoga mo le fa'atatauga.

Fa'ai'uga:

O le faagasologa o sauniuniga mo microcapsules ethyl cellulose e aofia ai le emulsification o mea autu i totonu o se vaifofo ethyl cellulose, sosoo ai ma le polymerization poʻo le faʻamalosia o le atigi polymer e faʻapipiʻi ai le mea autu.O le filifilia ma le faaeteete o meafaitino, auala emulsification, ma faʻasologa faʻasologa e taua tele e ausia ai microcapsules toniga ma mautu ma mea e manaʻomia mo faʻaoga eseese.

ons.


Taimi meli: Feb-10-2024