... . CMC is one of the important water solube polyelectrolyte. It can soluble in water, insoluble in alcohol, ethanol, benzene ... derivative ,which is widely used for the industries of food processing ,lactic acid beverage and toothpaste,etc., and plays ... every industry or trade as emulsifier ,sizing agent .stabilizer,thickener,retarder,film former,dispersing agent,suspending agen,adhisive,mercerizing ...