Light scattering has been employed to investigate the aqueous solution properties of partially methylated cellulose. The data indicate a random coil for the polymer with a stiffness characterized by a value of 21.8 A. for the effective bond length b . An increase in ionic strength in the methylcellulose solution causes aggregation which is temperature‐dependent. Once the aggregates are formed in the salt solution, they may be dispersed by lowering the temperature of the solution. Within probable error the intrinsic viscosity–molecular weight relation is given by [η] = 3.16 × 10 −3 M̄ w 0.55 throughout the region investigated.
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W. Brock Neely (1963) studied this question.
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