Increasing the optical anisotropy of polyethylene spherulites

The authors show that in some cases chemical modification leads to an increase in the optical anisotropy of polyethylene spherulites; this phenomenon can be used to obtain additional information on the structure and growth of the spherulites.Institute of the Mechanics of Metal-Polymer Systems, Academy of Sciences of the Belorussian SSR, Gomel'. Translated from Mekhanika Polimerov, No. 2, pp. 343–344, March–April, 1974.