AbstractMethyl methacrylate was grafted onto viscose rayon, wood pulp, cellophane, and poly(vinyl alcohol) with preirradiation techniques using γ‐rays from a Co‐60 source, and the stereoregularities of the grafted polymers separated from the trunk polymers and homopolymers were determined. The stereoregularity of the polymers grafted onto rayons is different from that of the polymers grafted onto wood pulp, mercerized wood pulp, cellophane, and poly(vinyl alcohol), confirming our previous res
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