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Abubuwan da aka samo asali na Alkyl Polyglycosides

A zamanin yau, alkyl polyglycosides suna samuwa a cikin isassun adadi kuma a farashin gasa ta yadda amfani da su azaman ɗanyen abu don haɓaka sabbin surfactants na musamman dangane da alkyl polyglycosides yana tada sha'awa sosai.Don haka, abubuwan da ke tattare da abubuwan da ake amfani da su na alkyl polyglycosides, misali kumfa da wetting, za a iya canza su kamar yadda ake buƙata ta canjin sinadarai.

Samuwar alkyl glycosides aiki ne mai yadu a halin yanzu. Akwai nau'o'in alkyl glycoside iri-iri ta hanyar maye gurbin nucleophilic. Baya ga amsawa tare da esters ko ethoxides, abubuwan da aka samo asali na ionic alkyl polyglycoside, irin su sulfates da phosphates, za a iya hada su. .

An fara daga alkyl polyglycosides masu samun sarƙoƙi na alkyl (R) na 8,10,12,14 da 16 carbon atom (C)8ku C16) da matsakaicin digiri na polymerization (DP) na 1.1 zuwa 1.5, an shirya jerin abubuwa uku na alkyl polyglycoside.Don bincika canje-canje a cikin abubuwan da ke cikin surfactant Properties an gabatar da masu maye gurbin hydrophilic ko hydrophobic wanda ke haifar da alkyl polyglycoside glycerol ethers.(Hoto na 1)

Bisa la'akari da ƙungiyoyin hydroxyl da yawa, alkyl polyglycosides sun cika aiki fiye da kima.6 zarra.Kodayake ƙungiyoyin hydroxyl na farko sun fi mayar da hankali fiye da ƙungiyoyin hydroxyl na biyu, wannan bambanci bai isa ba a mafi yawan lokuta don cimma wani zaɓi na zaɓi ba tare da ƙungiyoyi masu kariya ba. Bisa ga haka, ana iya sa ran ƙaddamar da wani alkyl polyglycoside na alkyl don samar da cakuda samfurin wanda halayen ya ƙunshi. gagarumin kokarin nazari.Haɗin chromatography na iskar gas da ma'aunin spectrometry an nuna shine hanyar bincike da aka fi so.A cikin haɓakar abubuwan da aka samo asali na alkyl polyglycoside, ya tabbatar da tasiri don amfani da alkyl polyglycoside tare da ƙananan darajar DP na 1.1, a cikin abin da ake kira alkyl monoglycosides.Wannan yana haifar da ƙarancin haɗaɗɗun samfuran samfuran kuma a sakamakon ƙarancin ƙididdiga masu rikitarwa.

 


Lokacin aikawa: Fabrairu-23-2021