labarai

Idan ana amfani da barasa mai kitse da ke ɗauke da 16 ko fiye da carbon atom a kowace molecule a cikin haɗin alkyl polyglycosides, sakamakon da aka samu yana narkewa cikin ruwa kawai a cikin ƙananan ƙima, yawanci DP na 1.2 zuwa 2. Ana kiran su daga baya a matsayin alkyl marar narkewa. polyglycosides.A cikin waɗannan alkyl polyglycosides, halayen da ba na polar sun fi rinjaye saboda dogon sarkar alkyl. Waɗannan ba a amfani da su azaman surfactants amma ana amfani da su da farko azaman emulsifiers a cikin kayan kwalliya.
Halin da aka lura na glucose tare da dodecanols/tetradecanols ya fi dacewa da haɗin gwiwar alkyl polyglycosides mai ruwa-ruwa, irin su cetyl/octadecyl polyglycosides. Abubuwan da ke haifar da acid catalyzed suna faruwa a irin wannan yanayin zafi, matsa lamba, da molar rabo tsakanin kayan abinci.Koyaya, saboda ƙarancin narkewar su, waɗannan samfuran sun fi wahalar tacewa da bleach azaman manna na tushen ruwa.Yana da mahimmanci don samar da samfurori tare da ƙananan abun ciki da launi mai haske kai tsaye bayan matakin amsawa, don haka guje wa ƙarin magani.
Mafi mahimmancin samfurin da ba'a so shine polyglucose. Yana da launin rawaya-launin ruwan kasa kuma don haka yana lalata launi.Bugu da ƙari, kasancewar yawan ƙwayar polyglucose yana da wuya a mayar da hankali ga cakuda amsa ta hanyar distillation, saboda polyglucose yana ƙoƙarin bazuwa da sauri yayin da yanayin zafi ya tashi.Wannan a ƙarshe kuma yana lalata kaddarorin ayyuka.
Tunda adadin samuwar polydextrose ya karu sosai kusa da ƙarshen abin, amsawar ta ƙare da wuri a kusan 80% jujjuyawar glucose ta rage yawan zafin jiki da kuma kawar da mai kara kuzari.Don tabbatar da daidaito da ingancin samfur, ana amfani da bincike kan layi don bin diddigin canjin daidai.Lokacin ƙarewa, glucose ɗin da ba a kunna ba yana kasancewa azaman tsayayyen ƙarfi kuma ana iya cire shi cikin sauƙi ta hanyar tacewa na gaba.Bayan cirewar glucose, samfurin ya ƙunshi kusan 1-2q na polydextrose, wanda aka kwaikwaya a cikin ɗigon ruwa mai kyau.Ta hanyar zaɓar taimakon tacewa da ya dace, ana iya cire polydextrose gaba ɗaya a cikin matakin tacewa na biyu.
Samfurin da ba shi da glycose da polydextrose wanda ya ƙunshi 15 zuwa 30% na dogon sarkar (C 16/18) alkyl polyglycosides da 85 zuwa 70% na barasa mai kitse (C16/18-OH) ana samun su ta wannan tsari.Tun da samfurin yana da madaidaicin wurin narkewa, ana sayar da shi a matsayin mai ƙarfi a cikin nau'i na flakes ko pellets.
Babban matakan barasa na dogon sarkar an yarda da su saboda yawancin kayan kwalliyar kayan kwalliya sun ƙunshi adadin barasa iri ɗaya.Don haka, ana iya amfani da alkyl polyglycosides kai tsaye azaman alkyl polyglycosides / fatty alcohols.
Nau'o'in kwanan nan na alkyl polyglycosides na ruwa-insoluble sun ƙunshi kusan 500% alkyl polyglycosides da 500% fatty alcohols. ƙananan kamar yadda zai yiwu.(Hoto na 7) Wannan nau'in samfurin da aka mayar da hankali sosai yana faɗaɗa kewayon aikace-aikacen alkyl polyglycosides wanda ba zai iya narkewa ba.
Hoto 7. Zane mai gudana don kira na C16,18 alkyl polyglycoside


Lokacin aikawa: Oktoba 18-2020