Focus on Cellulose ethers

O le a le faagasologa o le gaosiga o le methylcellulose?

O le a le faagasologa o le gaosiga o le methylcellulose?

Methylcellulose o se ituaiga o polymer e faʻavae i luga ole cellulose lea e faʻaaogaina i le tele o faʻaoga, e aofia ai meaʻai, vailaʻau, ma mea teuteu.O se pauta pa'epa'e, leai se manogi, leai se tofo e so'a i le vai malulu ma fai ai se gel pe a vevela.E gaosia e ala ile togafitia ole cellulose ile methyl chloride ma le sodium hydroxide.

O le gaosiga o le methylcellulose e aofia ai ni laasaga.O le laasaga muamua o le mauaina o mea mata, lea e masani ona cellulose.E mafai ona maua mai le cellulose mai mea eseese, e pei o le pulupulu laupapa, cotton, ma isi alava laau.Ona togafitia lea o le cellulose i le methyl chloride ma le sodium hydroxide e fausia ai le polymer methylcellulose.

O le isi laasaga o le faʻamamaina o le methylcellulose.E faia lenei mea e ala i le aveeseina o mea le mama e pei o le lignin, hemicellulose, ma isi mea e ono faʻalavelave i mea manaʻomia o le methylcellulose.E masani ona faia lenei mea e ala i le togafitia o le methylcellulose i le acid poʻo le alkali, poʻo le faʻaaogaina o se gaioiga e taʻua o le fractionation.

A uma loa ona fa'amama le methylcellulose, ona fa'amamago lea ma fa'apalapala.O le pauta lea ua sauni e fa'aoga i fa'aoga eseese.

Methylcellulose e mafai ona faʻaaogaina e avea o se mea faʻafefeteina, emulsifier, stabilizer, poʻo se gelling agent.E faʻaaogaina foʻi i meaʻai e pei o asikulimi, salati salati, ma sosi.I vailaʻau faʻamalositino, e faʻaaogaina e avea o se mea e fusifusia ai, faʻamalolo le tumau, ma le faʻapipiʻiina o laupepa.I cosmetics, e faʻaaogaina e avea o se mafiafia, emulsifier, ma faʻamautu.

O le gaosiga o le methylcellulose e fai si faigofie ma lelei.O se auala taugofie e gaosia ai le tele o oloa eseese ma faʻaoga eseese.O se mea saogalemu ma e le oona e mafai ona faʻaaogaina i le tele o talosaga.


Taimi meli: Feb-08-2023
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