| 摘要 |
New polymer compositions based on polyvinylidene fluoride, their preparation and their uses are described. These compositions consist essentially of mixtures comprising a major proportion of polyvinylidene fluoride and a minor proportion, sufficient to improve the flexibility of the latter, of at least one elastomer of the hydrogenated nitrile rubber type, essentially an at least partially hydrogenated butadiene-acrylonitrile copolymer. Having an improved behaviour in contact with hydrocarbons at relatively elevated temperature, the compositions of the invention can be advantageously employed for the manufacture of storage vessels, tubing or pipes and flexible hoses for the storage and conveying of hydrocarbons.
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