Focus on Cellulose ethers

Ingabe i-HEC yemvelo?

Ingabe i-HEC yemvelo?

I-HEC ayiwona umkhiqizo wemvelo. Kuyi-polymer yokwenziwa etholakala ku-cellulose, okuyi-polysaccharide eyenzeka ngokwemvelo etholakala ezitshalweni. IHydroxyethyl cellulose HEC iyi-polymer encibilika emanzini esetshenziswa ezinhlelweni ezahlukahlukene, kufaka phakathi njenge-ejenti yokuqina, i-emulsifier, i-stabilizer, ne-ejenti elengayo.

I-HEC ikhiqizwa ngokusabela kwe-cellulose nge-ethylene oxide, ikhemikhali etholakala ku-petroleum. Lokhu kusabela kudala i-polymer enemvelo ye-hydrophilic (ethanda amanzi), eyenza inyibilike emanzini. I-HEC iyimpushana emhlophe, egeleza mahhala engenaphunga futhi engenambitheki. Ayishi futhi izinzile phezu kwebanga elibanzi lamazinga okushisa namazinga e-pH.

I-HEC isetshenziswa ezimbonini ezahlukahlukene, ezihlanganisa ukudla, ezemithi, izimonyo, nemikhiqizo yokunakekela umuntu. Ekudleni, isetshenziswa njenge-thickener, emulsifier, kanye ne-stabilizer. Kwezemithi, isetshenziswa njenge-ejenti yokumisa kanye ne-tablet binder. Emikhiqizo yezimonyo neyokunakekelwa komuntu siqu, isetshenziswa njenge-thickener kanye ne-stabilizer.

I-HEC ngokuvamile ibhekwa njengephephile ukusetshenziswa ekudleni, emithini yemithi, nasezimonyoni. Igunyazwe ukusetshenziswa e-United States naseYurophu, futhi isohlwini lwe-FDA's Generally Recognised as Safe (GRAS) uhlu.

I-HEC ayiwona umkhiqizo wemvelo, kodwa iyisithako esiphephile nesisebenzayo esisetshenziswa kabanzi ezimbonini eziningi. Iyingxenye ebalulekile yemikhiqizo eminingi, futhi ukusebenzisa kwayo izinto ezihlukahlukene kuyenza ibe isithako esibalulekile sezinhlelo zokusebenza eziningi.


Isikhathi sokuthumela: Feb-09-2023
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