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Cellulose ether misali

Misali ether cellulose shine fili na polymer wanda aka yi da cellulose tare da tsarin ether.Kowane zobe na glucose a cikin macromolecule cellulose ya ƙunshi ƙungiyoyin hydroxyl guda uku, rukunin farko na hydroxyl akan zarra na shida na carbon, da ƙungiyar hydroxyl ta biyu akan na biyu da na uku carbon atom.Ana maye gurbin hydrogen da ke cikin rukunin hydroxyl da ƙungiyar hydrocarbon don samar da cellulose.Samfurin ne na maye gurbin hydroxyl hydrogen ta ƙungiyar hydrocarbon a cikin cellulose polymer.Cellulose wani fili ne na polyhydroxy polymer wanda baya narkewa kuma baya narkewa.Cellulose za a iya narkar da a cikin ruwa, tsarma alkali bayani da Organic sauran ƙarfi bayan etherification, kuma yana da thermoplastic Properties.

Cellulose ether shine babban lokaci na jerin samfuran da aka haifar ta hanyar amsawar alkali cellulose da etherifying wakili a ƙarƙashin wasu yanayi.Alkali cellulose yana musanya ta daban-daban etherifying jamiái don samun daban-daban cellulose ethers.

Dangane da kaddarorin ionization na masu maye, misali ethers cellulose za a iya raba su zuwa ionic (kamar carboxymethyl cellulose) da wadanda ba ionic (kamar methyl cellulose) nau'i biyu.

Dangane da nau'in madadin, misali ethers cellulose za a iya raba zuwa guda ether (kamar methyl cellulose) da kuma gauraye ether (kamar hydroxypropyl methyl cellulose).A cewar solubility, za a iya raba zuwa ruwa mai soluble (kamar hydroxyethyl cellulose) da Organic sauran ƙarfi solubility (kamar ethyl cellulose).Busassun turmi mai gauraya galibi yana amfani da cellulose mai narkewa da ruwa, wanda za'a iya raba shi zuwa nau'in narkewa mai sauri da nau'in narkar da jinkiri bayan jiyya na saman.

Admixtures suna taka muhimmiyar rawa wajen inganta kaddarorin busassun busassun turmi kuma suna lissafin fiye da 40% na farashin kayan a cikin busassun turmi.Wani babban sashi na admixture a cikin kasuwannin cikin gida ana ba da shi ta masana'antun kasashen waje, kuma masu samar da kayayyaki kuma ana samar da adadin adadin samfurin.Sakamakon haka, farashin kayan busassun busassun busassun turmi ya kasance mai yawa, kuma yana da wahala a yada turmi na gama-gari da turmi mai dumbin yawa.Kamfanoni na kasashen waje suna sarrafa kayayyakin kasuwa masu girma, masu sana'ar busassun busassun ribar riba, rashin kyawun farashi;Aikace-aikacen admixture ba shi da tsari da bincike mai niyya, a makance yana bin ƙa'idodin ƙasashen waje.

Wakilin riƙe ruwa shine mabuɗin haɗakarwa don haɓaka aikin riƙon ruwa na busassun turmi mai gauraya da kuma ɗaya daga cikin maɓalli don tantance farashin kayan busassun turmi gauraye.Babban aikin ether cellulose shine kiyaye ruwa.

Tsarin aikin cellulose ether a cikin turmi shine kamar haka:

(1) turmi a cikin cellulose ether narkar da a cikin ruwa, saboda surface aiki rawa don tabbatar da gelled abu yadda ya kamata uniform rarraba a cikin tsarin, da cellulose ether a matsayin irin m colloid, "kunshin" m barbashi, da kuma a kan ta waje surface to. samar da wani Layer na lubrication fim, da slurry tsarin mafi barga, da kuma inganta slurry a cikin hadawa tsari na liquidity da kuma gina na zame iya kawai da.

(2) Cellulose ether bayani saboda da kansa kwayoyin tsarin halaye, sabõda haka, ruwa a turmi ba sauki a rasa, da kuma sannu a hankali saki a cikin wani dogon lokaci, ba da turmi mai kyau ruwa riƙewa da kuma workability.


Lokacin aikawa: Dec-14-2021