Focus on Cellulose ethers

Ethyl cellulose hydrophilic kapa hydrophobic

Ethyl cellulose hydrophilic kapa hydrophobic

Ethyl cellulose ke polymer ea maiketsetso e sebelisoang haholo liindastering tse fapaneng, ho kenyeletsoa meriana, lijo le tlhokomelo ea motho.E tsebahala ka thepa ea eona e babatsehang ea ho etsa lifilimi, ho lumellana ho phahameng le lisebelisoa tse ling, le ho hanyetsa lik'hemik'hale hantle le maemo a tikoloho.E 'ngoe ea likarolo tsa bohlokoa tsa ethyl cellulose ke hydrophobicity ea eona, e leng tekanyo ea kamano ea eona le metsi.

Hydrophobicity ke thepa ea ntho e hlalosang mokhoa oa eona oa ho leleka limolek'hule tsa metsi.Ka kakaretso, lintho tsa hydrophobic ha li qhibilihe kapa ha li qhibilihe hantle ka metsing 'me li na le ho hokahana le limolek'hule tse ling tsa hydrophobic.Hydrophobicity hangata e khetholloa ka boteng ba lihlopha tse se nang polar kapa tse fokolang ka har'a sebopeho sa limolek'hule, joalo ka liketane tsa hydrocarbon kapa mehele e nkhang hamonate.

Ethyl cellulose e nkoa e le hydrophobic polymer ka lebaka la ho ba teng ha lihlopha tsa ethyl mohahong oa eona oa limolek'hule.Lihlopha tsa ethyl ha li na polar le hydrophobic, 'me boteng ba bona bo eketsa hydrophobicity ea polymer ka kakaretso.Ho phaella moo, ethyl cellulose e na le tekanyo e batlang e le tlaase ea ho kenya sebaka sa lihlopha tsa ethyl, e leng se tlatsetsang haholoanyane ho sebopeho sa eona sa hydrophobic.

Leha ho le joalo, hydrophobicity ea ethyl cellulose e ka fetoloa ka ho fetola tekanyo ea ho fetola kapa ka ho eketsa lihlopha tsa hydrophilic ho sebopeho sa polymer.Ka mohlala, ho kenyelletsoa ha lihlopha tsa hydrophilic tse kang lihlopha tsa hydroxyl kapa carboxyl ho ka eketsa hydrophilicity ea polymer le ho ntlafatsa ho qhibiliha ha eona metsing.Tekanyo ea ho nka sebaka le eona e ka eketsoa ho eketsa palo ea lihlopha tsa hydrophilic le ho ntlafatsa hydrophilicity ea polymer.

Leha e na le hydrophobicity, ethyl cellulose e ntse e nkuoa e le sesebelisoa sa bohlokoa bakeng sa lits'ebetso tse fapaneng, haholo indastering ea meriana.Sebopeho sa eona sa hydrophobic se etsa hore e be thepa e ntle ea thibelo bakeng sa mekhoa ea phepelo ea lithethefatsi, kaha e ka thibela ho kenella ha mongobo kapa lintho tse ling tsa hydrophilic ka foromo ea litekanyetso.Sena se ka thusa ho sireletsa botsitso le katleho ea lithethefatsi ka nako e telele.

Ka kakaretso, ethyl cellulose ke polymer ea hydrophobic ka lebaka la boteng ba lihlopha tsa ethyl tse se nang polar sebopeho sa eona sa limolek'hule.Leha ho le joalo, hydrophobicity ea eona e ka fetoloa ka ho fetola tekanyo ea ho fetola kapa ho eketsa lihlopha tsa hydrophilic ho sebopeho sa polymer.Leha e na le sebopeho sa hydrophobic, ethyl cellulose e ntse e le sesebelisoa sa bohlokoa bakeng sa lits'ebetso tse fapaneng, haholo indastering ea meriana.


Nako ea poso: Mar-19-2023
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