This research project was to investigate the effects of soy protein purification properties of the films prepared by solution casting process. In addition, soy protein purification experiments with different status 2 status is solid and aqueous (water) into chitosan. (In a solution of acetic acid concentration of 1 percent by volume) to obtain film composite chitosan / soy protein purification and film mixing chitosan / soy protein purity by weight percent of the soy protein pure chitosan. 5 levels were variable San 0:10 1:10 3:10 7:10 and 10:10, the film was initially prepared in the tensile mechanical properties and wealth permeation of water vapor and oxygen. Film composite chitosan / soy protein purification and film mixing chitosan / soy protein purity, strength, hardness, the ability to stretch. And treasure the permeability of water vapor and oxygen reduction. When purified soy protein increases. The purified protein was gathered and impede the structural arrangement of chitosan. The addition of purified soy protein resulted in films with lower strength. The ability to stretch up. And that the permeability of water vapor and oxygen reduction due to pure soy protein reduces the orderly chain of chitosan and the gap in the structure. It was also found that the film was mixed chitosan / soy protein than pure strength. Showed the same absorption of water vapor and oxygen better film composite chitosan / soy protein purification. While the ability to stretch the lower.
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