I-Selersese Ether

I-Selersese Etheryenziwa kwi-seluplose kwi-etheristic yokuphendula ye-etherhesition ye-EARESS enye okanye iiarhente ezininzi ze-etheriya kunye nokugaya okwenzayo. Ngokutsho kwezakhiwo ezahlukeneyo zekhemikhali ze-ether ethengisa izinto, i-seluplose edade zinokwahlulwa zibe zii-ANION, CIORIC kunye nooManu base-Anic kunye nooManu. I-Ionic seluplose ebhutsa kubandakanyaI-carboxymethyl sether sether (CMC); I-ionic selsulose ebhukungayoI-Methyl Selete Ether (MC),hydroxypropyl methyl setelise ye-ether (i-HPMC)kunye ne-hydroxyyl sethele.I-Chlorine Ether (HC)kwaye nangokunjalo. I-Unic e-Ionic yahlulahlulwe yazibulala amanzi kunye nee-oni zeoyile, kunye nee-Ionic zamanzi anyibilikisiweyo ikakhulu zisetyenziswa kwiimveliso zodaka. Phambi kwe-calcium Ions, ionic seluplose ether ayizinzanga, ngoko ayifane isetyenziswe kwiimveliso ezixubileyo ezixubileyo ezisebenzisa isamente, i-lime yentsimbi, njl. I-Infoulose yamanzi anyibilikiswa amanzi asetyenziswa kakhulu kwishishini lezinto zokwakha ngenxa yokuzibandakanya nokugcinwa kwamanzi.

Iipropathi zekhemikhali ze-seluplose ether

I-ether nganye iseti inesiseko esisisiseko se-selellulose -ahydroglucose. Kwinkqubo yokuvelisa i-Ilupelose Ether, iFiseb se-selselose ishushu kwisisombululo se-alkaline, emva koko sanyangwa ngearhente yokuthetha. Imveliso yokuphendula ye-Fibral yokuphendula ihlanjululwe kwaye iphoselwe ukuba yenze umgubo weyunifomu kunye nokutyibilika.

Kwinkqubo yemveliso ye-MC, i-methyl chloride isetyenziswa njenge-arhente yokwamkelwa; Ukongeza kwi-methyl chloride, i-propylene oxide ikwasetyenziselwa ukufumana amaqela athabathekayo e-hydroxypropy kwimveliso ye-HPMC. Iiseli ezahlukeneyo ze-Seleculose enee-methyl ezahlukeneyo kunye ne-hydroxyproplowl ye-hydyl ye-hydropyl, echaphazela ubushushu be-organic gesic kunye neqondo lokuhlaselwa kwe-thermal yesisombululo se-seluplose.


Ixesha leposi: Apri-25 ukuya ku-2424