Propylene Glycol Alginate PGA | 9005-37-2

(1)Colorcom Propylene glycol alginate (PGA) sabon nau'in ingantaccen kayan abinci ne. Ana yin shi ta hanyar zurfin sarrafa alginic acid da aka samo daga ciyawa na dabi'a. Siffar fari ce ko launin rawaya mai haske. Yawancin lokaci ana amfani dashi azaman mai kauri, ƙarfafawa da emulsifier don samfuran abin sha.
(2) Baya ga tasirinsa mai kauri, propylene glycol alginate yana da tsarin amphiphilic na surfactants, kazalika da ikon emulsifying da kwanciyar hankali kumfa, kuma yana da tasiri mai ƙarfi akan colloid m. ; Saboda wannan samfurin fili ba na ionic ba ne, kuma yana da ƙarfi sosai ga wasu ions na ƙarfe kuma ba zai ƙarfafawa da hazo ba.
(3)Fara ko dan kadan-rawaya-farin fibrous foda ko foda mara nauyi, kusan mara wari da rashin dandano. Yana da narkewa a cikin ruwa kuma yana tsarma maganin acid Organic, amma ba zai iya narkewa a cikin methanol, ethanol, benzene da sauran kaushi na kwayoyin halitta, amma samfurin esterified na iya narkar da shi a cikin maganin ethanol tare da abun ciki na ƙasa da 60%. Matsayin pH shine 3-4 (1% bayani mai ruwa), yana da sauƙin sha danshi, yana juya launin ruwan kasa lokacin zafi zuwa 55 ° C, carbonization yana faruwa a 220 ° C, toka yana faruwa a 400 ° C. Girman dangi shine 1.46. Shi ba gels ko precipitates a cikin acidic bayani na pH 3-4.
(4) Yana da ikon yin tsayayya da salting fita, kuma yana da tsayayye ga sauran ions karfe banda jan karfe, chromium, iron (trivalent), gubar, barium da sauran ions da ba su da tabbas.