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Removal of catalyst residue from polyketone solution with silica gel or metal oxide containing water or hydroxyl functionality
Removal of catalyst residue from polyketone solution with silica gel or metal oxide containing water or hydroxyl functionality
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机译:用硅胶或含有水或羟基官能团的金属氧化物从聚酮溶液中去除催化剂残留物
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摘要
Catalyst residue (e.g., trace Group VIII metal) is removed from a polyketone solution, and from the polyketone resin itself, by passing the solution through a column comprising a metal oxide (e.g., silica gel) which is effective in removing the residue therefrom or by mixing the polyketone solution with particulate metal oxide.
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