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Ethylene Amines: Ethylene Dichloride Heated with Ammonia Water, Mnookin 1936
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Ethylene Amines: Ethylene Dichloride Heated with Ammonia Water, Mnookin 1936

Ethylene dichloride heated to 140–150 °C with much ammonia water in a pressure vessel turns completely into amines in about half an hour (Mnookin, US 2,049,467, 1936). Set free with alkali and fractionated, they are about 40 % ethylenediamine (118 °C), 30 % diethylene triamine (208 °C) and 20 % triethylene tetramine (266 °C). Diethylene triamine is the hardener for epoxy glue. The picture: our diagram of the four stages.
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Dietilene triyamine

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Etilenidiyamine

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Ethylene Dichloride: Ethylene into Nascent Chlorine, Limpricht's Method
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Ethylene Dichloride: Ethylene into Nascent Chlorine, Limpricht's Method

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Ammonia Water: Sal Ammoniac and Lime, Gas Caught in Cold Water
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Ammonia Water: Sal Ammoniac and Lime, Gas Caught in Cold Water

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