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- 斎藤 茂
- 三光化学工業株式会社
書誌事項
- タイトル別名
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- Studies on the Vapor Phase Catalytic Halogenation of Phthalonitrile. II
- フタロニトリル ノ キソウ セッショク ハロゲンカ ニ カンスル ケンキュウ 2
- Activated carbon catalysts
- 活性炭触媒
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The optimum condition for vapor phase catalytic chlorination reaction of ο-phthalonitrile in the presence of activated carbon catalyst was investigated. When the reaction temperature was 250-300°c, the velocity of feeding of ο-phthalo-nitrile 0.2-0.5 × 10-3 mol/g.hr and Cl2/PN, (ο-phthalonitrile) above 6 moles, the yield of tetrachlorophthalonitrile above 90 mole % and that of hexachlorobenzene below 3 mole % were obtained. The change of activity of activated carbon catalyst during the reaction time was investigated up to 110 hrs, but no decreasing activity was observed. The relation between the condition for preparation of activated carbon and its chlorination activity was investigated. For obtaining activated carbon catalyst of high chlorination activity, it was necessary to keep steaming temperature above 750°c with enough time. With the progress of activation by steaming, the time required for preliminary chlorinating treatment can be shortened and the rate of increase in weight of catalyst after the reaction is increased. The mechanism of chlorination of o-phthalonitrile was considered to proceed through the route of ο-phthalonitrile → 4-monochlorophthalonitrile → 4, 5-dichlorophthalonitrile →tetrachlorophthalonitrile.
収録刊行物
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- 有機合成化学協会誌
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有機合成化学協会誌 22 (10), 834-837, 1964
公益社団法人 有機合成化学協会
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詳細情報 詳細情報について
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- CRID
- 1390282680287876224
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- NII論文ID
- 130000923329
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- NII書誌ID
- AN0024521X
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- ISSN
- 18836526
- 00379980
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- NDL書誌ID
- 9213752
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