Effect of intensifier on the properties of soy protein/polyvinyl alcohol film

The effect of intensifier on properties of soy protein/polyvinyl alcohol films were studied through a vague mathematics model,using tensile strength,elongation,transmittance and water absorption as indexes.The results showed that compared with the controlled films,the films added soluble starch had a distinctively higher transmittance and lower water absorption,but thire tensile strength and elongation fell slightly.After adding CMC-Na,the tensile strength increased unremarkably,its elongation reduced,while the water absorption rised obviously,and its transmittance almost had non change.When glutin was mixed,the elongation and transmittance improved evidently,and the water absorption decreased markedly whereas the tensile strength changed unobviously.When the concentration of glutin was 0.2%,the comprehensive properties of the films were optimal:tensile strength 4.69MPa,elongation 45.65%,transmittance 13.78% and water absorption 47.21%.