Fa'aaogāga 'ese'ese ole cellulose ma ona fa'atupu

O le Cellulose o se polysaccharide macromolecular e fausia i le kulukose, lea e maua i se aofaiga tele i laau lanumeamata ma meaola o le gataifale. O le mea sili ona lautele tufatufaina ma sili ona tele mea faanatura polymer i le natura. E lelei le biocompatibility, faʻafouina ma Biodegradable ma isi mea lelei. E ala i le photosynthesis, e mafai e laau ona fa'apipi'i le faitau selau miliona tone o le cellulose i tausaga ta'itasi.

Fa'amoemoega Talosaga Cellulose

O le cellulose masani ua faʻaaogaina lautele ona o ana lava mea faʻapitoa ma vailaʻau, ae o le cellulose meafaitino masani o loʻo i ai mea faʻaoga eseese pe a maeʻa le gaosiga ma suiga, lea e mafai ona fetaui ma manaoga eseese o pisinisi eseese. O le fa'aogaina o meafaitino e fa'atino ai le cellulose ua avea ma aga fa'alenatura o le Atina'e ma nofoaga autu o su'esu'ega o mea fa'akomepiuta.

O mea e maua mai i le cellulose e maua mai i le esterification poʻo le etherification o vaega hydroxyl i polymers cellulose faʻatasi ai ma vailaʻau vailaʻau. E tusa ai ma uiga faʻatulagaina o mea faʻaalia, e mafai ona vaevaeina le cellulose derivatives i ni vaega se tolu: cellulose ethers, cellulose esters, ma cellulose ether esters.

1. Cellulose eter

O le cellulose ether o se faaupuga lautele mo se faasologa o mea e maua mai i le cellulose e faia i le tali atu o le cellulose alkali ma le etherifying agent i lalo o nisi tulaga. Cellulose ether o se ituaiga o cellulose derivative ma ituaiga eseese, fanua talosaga lautele, voluma tele gaosiga ma maualuga tau suʻesuʻega. O lona fa'aogaina e aofia ai le tele o matā'upu e pei o alamanuia, fa'ato'aga, pisinisi kemisi i aso ta'itasi, puipuiga o le si'osi'omaga, aerospace ma le puipuiga a le atunu'u.

O le cellulose ethers o loʻo faʻaaogaina faʻapisinisi o: methyl cellulose, carboxymethyl cellulose, ethyl cellulose, hydroxyethyl cellulose, cyanoethyl cellulose, hydroxypropyl cellulose ma hydroxypropyl methylcellulose Cellulose ma isi.

2. Cellulose esters

Cellulose esters e masani ona faʻaaogaina i fanua o le puipuiga a le atunuʻu, vailaʻau vailaʻau, biology, vailaʻau, fausiaina ma e oʻo lava ile aerospace.

O esters cellulose o loʻo faʻaaogaina faʻapisinisi o: cellulose nitrate, cellulose acetate, cellulose acetate butyrate ma le cellulose xanthate.
3. Cellulose eter ester

Cellulose ether esters o ester-ether fa'afefiloi fa'afefiloi.

Talosaga fanua

1. Fale talavai

Cellulose ether ma ester derivatives o loʻo faʻaaogaina lautele i vailaʻau mo le mafiafia, faʻamalosia, faʻamalolo tumau, faʻasaʻo faʻatonutonu, faia o ata ma isi faʻamoemoega.

2. fanua faʻapipiʻi

O le cellulose esters e faia se sao taua tele i le faʻapipiʻiina o talosaga. Cellulose esters o loʻo faʻaaogaina i mea faʻapipiʻi, resini faʻaleleia poʻo mea e fai muamua ata tifaga e tuʻuina atu ai faʻalava ma le tele o mea lelei.

3. Membrane tekinolosi fanua

O mea e maua mai i le cellulose ma mea e maua mai ei ai tulaga lelei o galuega tetele, fa'atinoina mautu, ma toe fa'aaogaina. E ala i le faʻapipiʻiina o le tagata lava ia i luga ole laiga, auala faʻafefeteina, eletise eletise ma isi auala, e mafai ona saunia mea o le membrane ma le lelei o le vavaeeseina. I le fanua o tekinolosi membrane faʻaaogaina lautele.

4. Faufale fanua

O le cellulose ethers e maualuga le malosi o le gel e mafai ona fa'afefeteina ma o lea e aoga e fai ma fa'aopoopoga i vaega faufale, e pei o fa'apipi'i fa'apipi'i sima.

5. Aerospace, taavale malosi fou ma masini eletise maualuga

E mafai ona fa'aogaina mea optoelectronic e fa'atatau i le cellulose i le vateatea, ta'avale malosi fou ma masini fa'aeletonika maualuga.

6. Isi fanua

Faafitauli ma Fofo i le Cellulose Application

I le taimi nei, o loʻo i ai pea i le cellulose ni faʻaletonu. Ona o uiga o lona fausaga faʻapipiʻi, e le mafai ona faʻafefeteina le cellulose ma e faigata ona faʻamavae i solvents masani, lea e matua faʻatapulaʻaina ai le atinaʻeina ma le faʻaogaina o mea cellulose. E pei o le le lelei o le solubility i solvents masani, leai se thermoplasticity, maualuga hydrophilicity ma le leai o mea antibacterial.

O le mea lea, o le mamanu ma le fausiaina o mea fou e maua mai i le cellulose o le faʻavae lea mo le faʻaogaina lelei o le cellulose, ma o le atinaʻeina o tekinolosi faʻamaʻi mama ma lelei o se auala taua ma faʻamautinoa mo le faʻaogaina lelei o le cellulose.