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Fundamental considerations in the effect of molecular weight on the glass transition of the gelatin/cosolute system
AbstractFour molecular fractions of gelatin produced by alkaline hydrolysis of collagen were investigated in the presence of cosolute to record the mechanical properties of the glass transition in high‐solid preparations. Dynamic oscillatory and stress relaxation moduli in shear were recorded from 40°C to temperatures as low as −60°C. The small‐deformation behavior of these linear polymers was separated by the method of reduced variables into a basic function of time alone and a basic function of temperature alone. The former allowed the reduction of isothermal runs into a master curve covering...
Published By: MedWorm/Stress - Wednesday, 22 February
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