Tala Fou
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O a fausaga ma ituaiga o cellulose ethers?
1. Fa'atulagaga ma le fa'atonuga o sauniuniga o le cellulose ether Ata 1 o lo'o fa'aalia ai le fausaga masani o cellulose ethers.O iunite bD-anhydroglucose taʻitasi (o le iunite faifai pea o le cellulose) e suitulaga i le tasi vaega i le C (2), C (3) ma le C (6) tulaga, o lona uiga, e mafai ona oʻo atu i le tolu vaega ether.Ona o le...Faitau atili -
O le lelei o le cellulose ether e fuafua ai le lelei o le sima
I totonu o le paluga faʻafefiloi, o le faʻaopoopoga o le cellulose ether e matua maualalo, ae e mafai ona faʻaleleia atili le faʻatinoga o le sima susu, ma o se faʻaopoopoga autu e aʻafia ai le fausiaina o le sima.Filifiliga talafeagai o cellulose ethers o ituaiga eseese, eseese visc...Faitau atili -
E faʻafefea le atinaʻeina o le cellulose ether?
Alamanuia filifili tulaga: (1) Alamanuia pito i luga O mea autu autu e manaomia mo le gaosiga o le cellulose ether e aofia ai le cotton faamamaina (po o le pulp laupapa) ma nisi solvents masani kemikolo, e pei o le propylene oxide, methyl chloride, sua suamalie, soda, ethylene. oxide, toluene ma ...Faitau atili -
Ufiufi fua fa'atatau su'esu'ega o mea mata
Hydroxyethyl Cellulose Eter Hydroxyethyl cellulose eter, o se mea e le-ionic i luga o le tino, o se mea e masani ona fa'aaogaina cellulose ether vaitusi mafiafia vai.Ose vai-soluble non-ionic compound ma e lelei le mafiafia gafatia e fa'asusu ai.E tele ona uiga e pei ole mafiafia,...Faitau atili -
Fa'aoga eseese ole Cellulose Eter
1. Cellulose ether oloa faʻaaogaina i faʻapipiʻi taʻavale I le avea ai o se mea teuteu faʻaogaina, o taʻavale sima ua faʻaaogaina lautele i le lalolagi atoa, ma pe faʻafefea ona faʻapipiʻi lenei mea umi ina ia saogalemu ma tumau e masani lava ona popole tagata.Le tula'i mai o mea fa'apipi'i sima, i le To a ...Faitau atili -
E faapefea ona saunia le sodium carboxymethylcellulose?
O le faʻaaogaina o le cellulose e fai ma mea mata, na saunia le CMC-Na i se auala e lua-laasaga.Muamua o le alkalization faagasologa o cellulose.O le cellulose e tali atu i le sodium hydroxide e gaosia ai le cellulose alkali, ona tali atu lea o le cellulose alkali ma le chloroacetic acid e gaosia ai le CMC-Na, lea e taʻua o le e ...Faitau atili -
O le lelei o le cellulose e fuafua ai le lelei o le paluga
I totonu o le paluga faʻafefiloi, o le faʻaopoopoga o le cellulose ether e matua maualalo, ae e mafai ona faʻaleleia atili le faʻatinoga o le sima susu, ma o se faʻaopoopoga autu e aʻafia ai le fausiaina o le sima.Filifiliga talafeagai o cellulose ethers o ituaiga eseese, eseese visc...Faitau atili -
O a ituaiga o cellulose ethers?
Fa'avasegaina e tusa ai ma suitulaga, e mafai ona vaevaeina ethers cellulose i ethers tasi ma ethers fefiloi;fa'avasegaina e tusa ai ma le solubility, e mafai ona vaevaeina cellulose ethers i le vai-soluble ma le vai-soluble.O le faʻavasegaga autu o le cellulose ether o le faʻavasegaina e tusa ai ma ioni ...Faitau atili -
O a faʻamatalaga o fiber, cellulose, ma cellulose ether ma o a eseesega?
O le paʻu o le putty e masani lava ona aofia ai mea faʻapipiʻi ata (mea faʻapipiʻi), mea faʻapipiʻi, mea e teu ai le vai, mafiafia, faʻafefe, ma isi. dispersible latex p...Faitau atili -
O le a le mea e fai e le hydroxypropyl methylcellulose?
I le faʻaogaina o mea faufale, o le hydroxypropyl methylcellulose o se mea faʻapipiʻi faʻapipiʻi e masani ona faʻaaogaina, ma o le hydroxypropyl methylcellulose e faʻaaogaina lautele i alamanuia ma e eseese ituaiga.Hydroxypropyl methylcellulose e mafai ona vaevaeina i le vai malulu ituaiga vave ma le vevela ituaiga liusuavai, co ...Faitau atili -
Le fausaga o le sodium carboxymethyl cellulose
Methyl cellulose e masani lava o le fa'apuupuuga o le sodium carboxymethyl cellulose, lea e patino i se ituaiga polyanionic compound ma solubility vai lelei.Faatasi ai ma i latou, o le methyl cellulose e masani lava ona aofia ai le methyl cellulose m450, suia le methyl cellulose, meaʻai Grade methyl cellulose, hydroxymethyl c...Faitau atili -
O a mea totino o le carboxymethyl cellulose, cellulose alkyl ether, ma le cellulose hydroxyalkyl ether?
Carboxymethyl cellulose: Ionic cellulose ether e faia mai filo faanatura (cotton, ma isi) pe a uma togafitiga alkali, faʻaaogaina le sodium monochloroacetate e fai ma sui etherification, ma faia se faasologa o togafitiga tali.O le tikeri o le suitulaga e masani lava 0.4 ~ 1.4, ma o lona faatinoga e sili ...Faitau atili
