litaba

Ha e le hantle, karabelo ea lik'habohaedreite tsohle tse entsoeng ke Fischer ka alkyl glycosides e ka fokotsoa ho mefuta e 'meli ea ts'ebetso, e leng, synthesis e tobileng le transacetalization.Maemong ana ka bobeli, karabelo e ka 'na ea tsoela pele ka lihlopha kapa ka ho tsoelang pele.
Tlas'a motsoako o tobileng, k'habohaedreite e itšoara ka ho toba le joala bo mafura ho theha alkyl polyglycoside e hlokahalang ea ketane e telele.Khabohaetereite e sebelisoang hangata e omisoa pele ho karabelo ea 'nete (mohlala, ho tlosa metsi a kristale haeba glucose monohydrate=dextrose e le teng).Mohato ona oa ho omisa o fokotsa litlamorao tse etsahalang ha metsi a le teng.
Ka ho toba synthesis, monomer solid solid type e sebelisoa e le fine particulate solid.Kaha karabelo e le karabelo e sa lekaneng e tiileng / ea mokelikeli, e tiileng e tlameha ho emisoa ka botlalo joalang.
Sirapo ea tsoekere e senyehileng haholo (DE> 96; DE=Dextrose equivalents) e ka sebetsana le motsoako o tobileng o fetotsoeng.tshebediso ya sehlapolli sa bobedi le/kapa di-emulsifiers(mohlala alkyl polyglycoside) e fana ka phallo e tsitsitseng ya marothodi a manyane pakeng tsa jwala le sirapo ya glucose.
Ts'ebetso ea mekhahlelo e 'meli ea transacetalization e hloka lisebelisoa tse ngata ho feta synthesis e tobileng.Mokhahlelong oa pele, k'habohaedreite e arabela ka joala bo khuts'oane (mohlala, n-butanol kapa propylene glycol) 'me ka boikhethelo, deploy-menzes.Mokhahlelong oa bobeli, ketane e khuts'oane ea alkyl glycoside e fetoloa ka tahi e batlang e le telele ho etsa alkyl polyglycoside e hlokahalang.Haeba tekanyo ea molar ea lik'habohaedreite ho joala e tšoana, kabo ea oligomer e fumanoang nakong ea transacetalization e hlile e tšoana le e fumanoang ka mokhoa o tobileng.
Haeba oligo-le polyglycoses (mohlala, starch, syrups ea boleng bo tlase DE) li sebelisoa, mokhoa oa transacetalization oa sebelisoa.Depolymerization e hlokahalang ea lisebelisoa tsena tsa ho qala e hloka mocheso oa> 140 ℃.E ipapisitse le tai e sebelisitsoeng, sena se ka baka likhatello tse phahameng ka tsela e ts'oanang tse fanang ka litlhoko tse thata ho lisebelisoa mme li ka lebisa ho theko e phahameng ea semela.Ka kakaretso, ka matla a ts'oanang, tlhahiso ea ts'ebetso ea transacetalization e bitsa chelete e ngata ho feta synthesis e tobileng.ntle le mekhahlelo e 'meli ea karabelo, lisebelisoa tse eketsehileng tsa polokelo li tlameha ho fanoa, hammoho le lisebelisoa tsa boikhethelo tsa mosebetsi bakeng sa lino tse tahang tse khutšoanyane.Ka lebaka la litšila tse khethehileng tsa starch (joaloka liprotheine), alkyl glycosides e tlameha ho hloekisoa ka ho eketsehileng kapa ho feta.Ts'ebetsong e nolofalitsoeng ea transacetalization, li-syrups tse nang le tsoekere e ngata (DE> 96%) kapa mefuta e tiileng ea tsoekere e ka arabelang ka li-alcohol tse khutšoane tlas'a khatello e tloaelehileng, ts'ebetso e ntse e tsoela pele ka mokhoa ona.(Setšoantšo sa 3 se bonts'a litsela tse peli tsa ho kopanya alkyl polyglycosides)
Setšoantšo sa 3. Alkyl polyglycoside surfactants-industrial synthesis pathways


Nako ea poso: Sep-29-2020