Ethyl cellulose microcapsule kaʻina hoʻomākaukau

ʻO nā microcapsules Ethyl cellulose he microscopic particles a i ʻole capsules me kahi ʻano kumu-shell, kahi i hoʻopili ʻia ai ka mea hana a i ʻole ka uku uku i loko o kahi pūpū polymer ethyl cellulose. Hoʻohana ʻia kēia mau microcapsules i nā ʻoihana like ʻole, me nā lāʻau lapaʻau, nā meaʻai, nā mea hoʻonaninani, a me nā mahiʻai, no ka hoʻokuʻu ʻia ʻana a i ʻole ka hāʻawi ʻia ʻana o ka mea encapsulated. Eia ka ʻike nui o ka hoʻomākaukau ʻana no nā microcapsules ethyl cellulose:

1. Ke koho ʻana i nā mea kumu:

• ʻO ka mea koʻikoʻi, i ʻike ʻia ʻo ka mea hana a i ʻole ka uku uku, koho ʻia ma muli o ka noi makemake a me nā hiʻohiʻona hoʻokuʻu.
• Hiki iā ia ke paʻa, wai, a i ʻole ke kinoea, e pili ana i ka hoʻohana ʻana o nā microcapsules.

2. Hoʻomākaukau ʻana i nā mea kumu:

• Inā paʻa ka mea kumu, pono paha e hoʻoheheʻe ʻia a i ʻole micronized no ka loaʻa ʻana o ka puʻunaue nui o ka ʻāpana i makemake ʻia.
• Inā he wai ka mea kumu, pono ia e homogenized a hoʻopuehu ʻia i loko o kahi mea hoʻoheheʻe kūpono a lawe paha.

3. Ka hoʻomākaukau ʻana o ka Ethyl Cellulose Solution:

• Hoʻoheheʻe ʻia ka polymer Ethyl cellulose i loko o kahi mea hoʻoheheʻe kūlohelohe, e like me ka ethanol, ethyl acetate, a i ʻole dichloromethane, e hana i kahi hopena.
• Hiki ke ʻokoʻa ke ʻano o ka ethyl cellulose i ka hopena ma muli o ka mānoanoa makemake o ka pūpū polymer a me nā hiʻohiʻona hoʻokuʻu o nā microcapsules.

4. Kaʻina Hana Emulsification:

• Hoʻohui ʻia ka ʻenehana kumu nui i ka solution ethyl cellulose, a ua hoʻoheheʻe ʻia ka hui ʻana e hana i kahi emulsion aila-i-wai (O/W).
• Hiki ke hoʻokō ʻia ka Emulsification me ka hoʻohana ʻana i ka mechanical agitation, ultrasonication, a i ʻole homogenization, ka mea e uhaʻi i ka hopena mea kumu i loko o nā droplets liʻiliʻi i hoʻopuehu ʻia i ka hopena ethyl cellulose.

5. Polymerization a Solidification o Ethyl Cellulose:

• Hoʻokomo ʻia ka hui emulsified i kahi kaʻina polymerization a i ʻole ka hoʻopaʻa ʻana e hana ai i ka ethyl cellulose polymer shell a puni nā kulu waiwai kumu.
• Hiki ke hoʻokō ʻia kēia ma o ka hoʻoheheʻe ʻana o ka mea hoʻoheheʻe, kahi e hoʻoneʻe ʻia ai ka solvent organic volatile mai ka emulsion, e waiho ana ma hope o nā microcapsules paʻa.
• ʻO kahi ʻē aʻe, hiki ke hoʻohana ʻia nā mea hoʻohui cross-linking a i ʻole nā ​​ʻenehana coagulation e hoʻopaʻa i ka pūpū ethyl cellulose a hoʻopaʻa i nā microcapsules.

6. Holoi a maloʻo:

• Holoi ʻia nā microcapsules i hana ʻia me kahi solvent kūpono a i ʻole ka wai e hoʻoneʻe i nā koena haumia a i ʻole nā ​​​​mea hana ʻole.
• Ma hope o ka holoi ʻana, hoʻomaloʻo ʻia nā microcapsules e wehe i ka makū a hōʻoia i ka paʻa i ka wā o ka mālama ʻana a me ka mālama ʻana.

7. Ke ano a me ka Mana Mana:

• Hōʻike ʻia nā microcapsules ethyl cellulose no kā lākou kaʻina nui, morphology, encapsulation efficiency, hoʻokuʻu kinetics, a me nā waiwai ʻē aʻe.
• Hana ʻia nā hoʻokolohua hoʻokele maikaʻi e hōʻoia i ka hoʻokō ʻana o nā microcapsules i nā kikoʻī i makemake ʻia a me nā pae hoʻokō no ka noi i manaʻo ʻia.

Ka hopena:

ʻO ke kaʻina hana hoʻomākaukau no nā microcapsules ethyl cellulose e pili ana i ka emulsification o ka mea kumu i loko o kahi solution ethyl cellulose, a ukali ʻia e ka polymerization a i ʻole ka paʻa ʻana o ka pūpū polymer e hoʻopili i ka mea kumu. He mea nui ke koho akahele i na mea waiwai, emulsification techniques, a me ka'ina hana no ka ho'okō 'ana i nā microcapsules like a pa'a me nā waiwai i makemake 'ia no nā noi like 'ole.

ons.