Uyini umehluko phakathi kwe-HEC ne-MHEC?

I-HEC kanye ne-MHEC yizinhlobo ezimbili zezinto zokwakha ezenziwe nge-cellulose-based polymers ezisetshenziswa ezinhlobonhlobo zezicelo, kufaka phakathi njengama-thickeners, stabilizers, nama-emulsifiers emikhiqizweni yokudla, kanye nasemikhiqizweni yezemithi nezimonyo. Umehluko omkhulu phakathi kwalokhu okubili ukuthi i-HEC iyi-hydroxyethyl cellulose, kuyilapho i-MHEC iyi-methyl hydroxyethyl cellulose.

I-HEC iyi-polymer encibilika emanzini etholakala ku-cellulose, i-polysaccharide eyenzeka ngokwemvelo etholakala ezitshalweni. Yakhiwe ngochungechunge oluqondile lwama-molecule e-glucose neqembu le-hydroxyethyl elinamathiselwe ekupheleni kwe-molecule ngayinye. I-HEC cellulose isetshenziswa njenge-thickener, stabilizer, kanye ne-emulsifier emikhiqizweni yokudla, kanye nasemikhiqizweni yezemithi neyezimonyo. Ibuye isetshenziselwe ukwenza iphepha nokunyathelisa, kanye nasekukhiqizeni izinto zokunamathisela nezingubo.

I-MHEC iwuhlobo oluguquliwe lwe-HEC cellulose lapho iqembu le-hydroxyethyl lithathelwa indawo iqembu le-methyl. Lokhu kuguqulwa kwandisa i-hydrophobicity ye-polymer, okwenza ukuthi imelane kakhulu nezinto ezincibilikayo emanzini. I-MHEC isetshenziswa ezinhlelweni ezahlukahlukene, kufaka phakathi njenge-thickener, stabilizer, kanye ne-emulsifier emikhiqizweni yokudla, kanye nasemikhiqizweni yezemithi nezimonyo. Ibuye isetshenziselwe ukwenza iphepha nokunyathelisa, kanye nasekukhiqizeni izinto zokunamathisela nezingubo.

Kafushane, umehluko omkhulu phakathi kwe-HEC cellulose ne-MHEC ukuthi i-HEC iyi-hydroxyethyl cellulose, kuyilapho i-MHEC iyi-methyl hydroxyethyl cellulose. Zombili izinto ezisetshenziswayo zisetshenziswa ekusetshenzisweni okuhlukahlukene, okuhlanganisa njengokujiya, okokuqinisa, nama-emulsifiers emikhiqizweni yokudla, kanye nasemikhiqizweni yezemithi neyezimonyo.