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    • 45. 发明授权
    • Microporous poly (arylether ketone) article
    • 微孔聚(芳基醚酮)制品
    • US4859715A
    • 1989-08-22
    • US119140
    • 1987-11-10
    • Robert S. DubrowMichael F. Froix
    • Robert S. DubrowMichael F. Froix
    • B29C61/00C08J9/26
    • B29C61/003C08J9/26B29K2105/04Y10S525/928
    • This invention provides a method for the preparation of an article from a blend of at least two molecularly compatible polymers by treating the blend with a solvent which is a solvent for one of the polymers and a non-solvent for the other. The solvent can be removed while the article is restrained from undergoing substantial shrinkage, in which case a microporous article is obtained. Alternatively, the solvent can be removed while the article is permitted to shrink. In this case high shrinkage force (also referred to as recovery force) results which can be utilized to apply the article to a substrate. The final and intermediate articles are novel. In a preferred embodiment, the invention provides a microporous article having an average pore size of about 0.005 microns to about 1 micron.
    • 本发明提供了一种由至少两种分子相容的聚合物的共混物制备制品的方法,其通过用作为聚合物之一的溶剂的溶剂和另一种的非溶剂处理该共混物。 可以在制品被抑制发生大量收缩的同时除去溶剂,在这种情况下获得微孔制品。 或者,可以在允许制品收缩的同时除去溶剂。 在这种情况下,可以将该物品应用于基材的高收缩力(也称为恢复力)。 最后和中间的文章是新颖的。 在优选的实施方案中,本发明提供了具有约0.005微米至约1微米的平均孔径的微孔制品。