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Polybenzimidazole-polyether ketone ketone blends and miscible blends
Polybenzimidazole-polyether ketone ketone blends and miscible blends
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机译:聚苯并咪唑-聚醚酮酮共混物和混溶共混物
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摘要
Claimed is a process for producing a melt blend of a polybenzimidazole (PBI) and a polyetherketoneketone (PEKK) which comprises the steps of: pre-dry-mixing a PBI with a PEKK to obtain a dry mix; feeding said dry mix to an extruder with a plurality of heating zones; setting said heating zones in a temperature range of 240°C to 410°C; melting said dry mix blend as it passes through said extruder; and obtaining said melt blend of PBI/PEKK in all proportion within a range from 1/99 PBI/PEKK to 80/20 PBI/PEKK.
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