... diffusion functions.2,as o/w emulsifier, dispersant, stablizer,used for food, medicine, cosmetic, water –based paint production.3,in ... , used in medicine ,cosmetic, food industry.2,In the polyurethane foam plastic production as stabilizers, help foaming agent ;in synthesis fiber ... oil;In the photographic materials system in the film used for wetting agents and dispersant ;In the process of waterproof ...