第 38 卷第 6 期 |  | Vol. 38 No. 6 | 2008 年 12 月 | Dec 2008 |
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所屬欄目:有機合成原料
癸二腈加氫制癸二胺的工藝研究 |
陳尚標,丁浩軍,顧建燕
(無(wú)錫殷達尼龍有限公司,江蘇 無(wú)錫 214183) |
摘 要:對癸二胺產(chǎn)品傳統加氫工藝進(jìn)行了研究,探討在反應中影響選擇性及收率的原因,優(yōu)化了工藝條件:溫度70~90℃,壓力1.5~2.5 MPa,催化劑雷尼鎳5%~10%(m/m,以癸二腈計),氫氧化鉀0.05%~0.5%(m/m,以癸二腈計),v(癸二腈)∶v[乙醇(90%~95%,v/v)]=1∶1。并按優(yōu)化工藝條件進(jìn)行了工業(yè)化放大生產(chǎn),產(chǎn)品含量>99.7%,收率>97.5%(n/n),較傳統加氫工藝高3%~4%。 |
關(guān)鍵詞:癸二腈;癸二胺;加氫;催化 |
中圖分類(lèi)號:O626 文獻標識碼:B 文章編號:1009-9212(2008)06- 0044-04 |
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Hydrogenation Process of Sebacicdinitrile to Diaminodecane |
CHEN Shang-biao,DING Hao-jun,GU Jian-yan
(Wuxi Yinda Nylon Co.,Ltd.,Wuxi 214183,China) |
Abstract:1,10-Diaminodecane was prepared from sebacia dinitrile via the traditional hydrogenation process,and factors affecting reaction selectivity and yield rate were investigated. The optimal process conditions were obtained as follow:temperature 70~90℃,pressure 1~2.5 MPa,5%~10% Raney Nickel catalyst(m∶m,based on sebacic dinitrile),KOH amount,0.05%~0.5%(m∶m,based on sebacic dinitrile),and 1∶1 molar ratio of sebacic dianitrile and ethanol(90%~95%,v∶v). The optimized process conditions has been approved to be successful in the industrialized production,with product purity over 99.7%,and yield rate over 97.5%(n∶n),which was 3%~4% higher than the traditional hydrogenation process. |
Key words:sebacic dinitrile;1,10-diaminodecane;hydrogenation;catalysis |
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作者簡(jiǎn)介:陳尚標(1970-),男,江蘇鹽城人,工程師,從事長(cháng)碳鏈尼龍中間體的合成及新產(chǎn)品的開(kāi)發(fā)研究工作。(E-mail:Shangbiao-chen@163.com)
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收稿日期:2008-08-22
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