1. Basic concepts
Hydroxethyl Cellulose (Hec): HydroxytHyl Cellulose (Hec) ndeyepamhepo yePolymer Commund, inowanzowanikwa nekutsvawa kwemheremalose. Iyo hydroxytHyl (-ch2ch2oh) group inounzwa mumorekuru yaro, ichipa yakanaka mvura solubility, kurongedza, gelling uye nzvimbo yemhepo. HEC inoshandiswa zvakanyanya muminda yakawanda sejasi, zvizaradzi, zvinodzivirira, chikafu, zvirongwa uye maindasitiri ekuvaka uye ekuvaka.
EtHyl Cellulose (EC): Ethyl Cellulose (EC) zvakare ether compand inotorwa kubva kune yakasikwa cellulose. Kusiyana neHec, iyo Ethyl (-C2H5) Boka rinounzwa mumorekuru weEC panzvimbo yeiyo hydroxyteth boka. Iyo ine isina kunaka solubility uye inowanzo nyora mu organic soles asi kusakwana mumvura. EC inowanzo shandiswa mumaindasitiri senge mishonga yemishonga, majasi uye maanomani, uye ane simba, akasimbisa uye anoshanda-mafirimu ekugadzira.
2. Misiyano yemakemikari chimiro uye solubility
Chemical dhizaini:
Iyo molecular chimiro chehec inoumbwa nekugadzirisa cellulose mamorekuru kuburikidza ne hydroxytHyl (Ch2ch2oh) mapoka ekutsiva. Uku kushandurwa kunoita kuti hydrophilic uye inogona kunyimwa mumvura.
Mune ec Molecule, mapoka eiyo (C2H5) Tsiva mamwe mahydroxyl mapoka mu cellulose hydrophobic uye isinganzwisisike mumvura, kazhinji inonyura mu organic sol sol.
Solubility:
HEC inochema mumvura, kunyanya mumvura inodziya, uye iyo solubility ine hukama nehusungwa uye huwandu hwe hydroxyThelation. Nekuda kwekunyora kwayo kwemvura, hec inowanzo shandiswa mumamiriro ezvinhu apo iyo mvura solubility inodiwa, senge machira, thickens, nezvimwewo.
EC ine isina kunaka solubility mumvura, asi ine yakanaka solubility mune organic sol sol sol solses uye ketone sol. Naizvozvo, EC inowanzoshandiswa mu organc movent nharaunda seyekadzi kana firimu raimbove.
3. Masango ekushandisa
Kushandiswa kweHEC:
Coatings: HEC inoshandiswa sedhizaini uye rheology modifier yejasi-yakavakirwa mvura, iyo inogona kuvandudza iyo fluidity, kumiswa uye kurwisa-kunyengera zvivakwa zvejasi.
Cosmetics: MuCosmetic Indasitiri, HEC inowanzoshandiswa muzvigadzirwa zvakadai semazita, shampoos, uye ma ganda kirimu sediki, emisturizer.
Mushonga: Hec rinoshandiswawo mukugadzirira-kusunungura zvinodhaka zvinodhaka seyekuita uye gelling mumiririri kubatsira kusunungurwa kusunungurwa kwezvinodhaka.
Kuvaka: Mune indasitiri yekuvaka, hec inoshandiswa sedhizimusi yeiyo simende kana maumbu yekuvandudza mashandiro ekuvaka, sekutora nguva yakavhurika uye kuvandudza kuwanda.
Kushandiswa kweEC:
Pharmaceutals: Ethyl Cellulose inowanzoshandiswa mumunda wemishonga, kunyanya mune inogadziriswa-gadziriro yekugadzirira zvinodhaka, semubhadharo wekutakura zvinodhaka, etcing.
Mbira uye maAinhesives: MuCoatings Indasitiri, EC inowanzoshandiswa seyakakwenenzverwa uye firimu raimbova. Inogona kuwedzera ubvu hwekubatanidza uye kusimudzira kudzikisira kwemamiriro ekunze.
Chikafu: EC inoshandiswawo mumunda wezvokudya, kunyanya sediki uye stabilizer, uye inoshandiswa mune zvekudya zvakadai sejelly uye pipi.
Cosmetics: EC inoshandiswa mune cosmetics kuti uwedzere vhiza uye kugadzikana kwe emultions, uye inogona zvakare kushandiswa seganda rekuchengetedza ganda.
4. Performance kuenzanisa
Kukakavara:
Zvese Hec uye EC ine yakanaka mhedzisiro, asi hec inoratidza kusimba kwakasimba mumvura, kunyanya yakakodzera kune masisitimu emvura. EC inoratidza iri nani mhedzisiro inonyanya kuita mune organic sol soles nekuda kweiyo hydrohobicity.
Solubility uye kugadzikana:
Hec ine yakanaka mvura solubility uye yakakwirira solubility kugadzikana, saka inoshandiswa zvakanyanya mune masisitimu emvura. EC ine isina kunaka solubility uye inoshandiswa zvakanyanya mu organic sols kana system system.
Rheology:
Iyo rheological zvivakwa zvehec mhinduro zvinosiyana zvakanyanya pane dzakasiyana kutarisisa, kazhinji dzinoratidza zvakafanana non-Newtonian fluid maitiro. EC inowanzove ine nguva dzose rateology renhengo, kunyanya mune organic sol.
Hydroxethyl Cellulose (Hec) uye Ethyl Cellulose (EC) maviri maCellulose Cellivives, imwe neimwe ine yakasarudzika yemuviri uye yemakemikari zvinhu uye huwandu hwakawanda hwekushandisa. HEC mvura yekunyora uye yakakomberedza midziyo inoita kuti ishandiswe zvakanyanya mumvura yakavakirwa mvura, senge machira, zino, uye mushonga. EC inowanzoshandiswa mu organic solvent system, senge mishonga yemishonga, kuungana, etc., nekuda kwekunetseka kwayo kwakanyanya uye hydrophobicity. Iko kusarudzwa kweaviri kunofanirwa kutsanangurwa zvichienderana nezvinodiwa chaizvo uye mhando yeiyo solvent inoshandiswa.
Post Nguva: Kukadzi-20-2025