Propylene Glycol Alginate PGA | 9005-37-2

(1)Colorcom Propylene glycol alginate (PGA) bụ ụdị ọhụrụ nke ihe mgbakwunye nri mara mma. A na-eme ya site na nhazi miri emi nke alginic acid nke ewepụtara na ahịhịa oke osimiri. Ọdịdị dị ọcha ma ọ bụ ntụ ntụ edo edo. A na-ejikarị ya eme ihe dị ka ihe na-agba, na-eme ka ọ dị ike na emulsifier maka ngwaahịa ihe ọṅụṅụ.
(2) Na mgbakwunye na mmetụta ya na-eme ka ọ sie ike, propylene glycol alginate nwere usoro amphiphilic nke surfactants, yana ike emulsifying na nkwụsi ike ụfụfụ, ma nwee mmetụta na-edozi ahụ na colloid mmanụ. ; N'ihi na ngwaahịa a bụ ihe na-abụghị nke ionic, ọ na-akwụsikwa ike na ụfọdụ ion metal na ọ gaghị eme ka ọ sie ike ma gbasaa.
(3) Na-acha ọcha ma ọ bụ ubé odo-acha ọcha fibrous ntụ ntụ ma ọ bụ keadighi rarii, ọ fọrọ nke nta ka-esi ísì na-enweghị ụtọ. Ọ bụ soluble na mmiri na itughari organic acid ngwọta, ma insoluble na methanol, ethanol, benzene na ndị ọzọ organic solvents, ma akụkụ esterified ngwaahịa nwere ike agbaze na ethanol ngwọta na ọdịnaya nke na-erughị 60%. Uru pH ya bụ 3-4 (1% ngwọta mmiri), ọ dị mfe ịmịkọrọ mmiri, ọ na-atụgharị na-acha aja aja mgbe ọ na-ekpo ọkụ ruo 55 Celsius C, carbonization na-eme na 220 Celsius C, na ash na-apụta na 400 Celsius. Njupụta ya bụ 1.46. Ọ dịghị gels ma ọ bụ precipitates na acidic ngwọta nke pH 3-4.
(4) Ọ nwere ikike iguzogide salting, ma kwụsie ike na ion metal ndị ọzọ ma e wezụga ọla kọpa, chromium, iron (trivalent), lead, barium na ion ndị ọzọ na-ejighị n'aka.