| 摘要 |
A process for producing a polyether polymer composition, which comprises preparing a slurry comprising an organic solvent and a polyether polymer dispersed therein, adding to the slurry an antioxidant which is insoluble in the organic solvent and/or a stabilizer which is soluble in the solvent to disperse or dissolve the antioxidant and/or stabilizer, and then removing th e organic solvent. Also provided is a polyether polymer composition which comprises polyether polymer particles and an antioxidant insoluble in an organic solvent in which the polymer particles are insoluble and/or a stabilizer soluble in the organic solvent, the composition satisfying at lea st one of the following (1), (2), and (3): (1) most of the antioxidant is adherent to the surface of the polymer particles, (2) the polyether polymer has a gel content of 5 wt.% or lower, and (3) most of the stabilizer is present in the polymer particles. The polyether polymer composition obtained by the production process and the polyether polymer composition satisfying a t least one of the requirements (1), (2), and (3) give a solid electrolyte fil m having excellent mechanical properties. |
