Abstract
Because of the mobile structure of the main chain, the polymer of hexafluoropropene oxide (HFPO) with high molecular weight is expected to be a new type of perfluoropolymer showing the flexibility and the low temperature workability, which are not observed for the perfluorocarbon type polymers such as polytetrafluroethene. In the polymerization of HFPO, however, the chain transfer reaction takes place easily to result in the formation of the viscous liquid oligomer with low molecular weight, at most. We investigated the method to prepare the polymer of HFPO with high moleculear weight by connecting the bifunctional oligomer of HFPO by means of a stable triazine group, as shown in Figure 1. Then, we established the method to form the polymer of HFPO with high molecular weight more than 1 × 10 6, which is an elastic solid and is useful as a new type of advanced material. The details of the preparation method and the characteristics of this polymer will be presented. ▪ Figure 1. Approach to the HFPO Polymer with High Molecular Weight
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