天然巴西棕榈蜡替代品的合成

辽宁石油化工大学学报 ›› 2007, Vol. 27 ›› Issue (1): 27-29.

天然巴西棕榈蜡替代品的合成

丛玉凤, 黄　玮, 廖克俭

辽宁石油化工大学, 辽宁抚顺113001

收稿日期:2006-10-25 出版日期:2007-03-20 发布日期:2017-07-05
作者简介:丛玉凤(1965 - ), 女, 辽宁本溪市, 副教授, 博士。

Synthesis of the Subst itute for the Carnauba Wax

Liaoning University o f Petroleum & Chemical Technology , Fushun Liaoning 113001 , P. R. China

Received:2006-10-25 Published:2007-03-20 Online:2017-07-05

摘要/Abstract

摘要： 在酸性催化剂存在的条件下, 由石蜡和微晶蜡的混合物催化氧化反应, 再经物理调和, 合成天然巴西棕榈蜡替代品。并利用正交实验对反应条件进行了分析, 得出最佳生产工艺:石蜡和微晶蜡的质量比为4 ∶1 , 催化剂的质量分数为1 %, 助剂的质量分数为1. 6 %, 反应时间为8 h , 空气流量为1. 25 m3 /h , 反应温度为170 ℃。经物理调和后产品的酸值为12. 93 mg(KOH)/g , 皂化值为82. 71 mg(KOH)/g , 折光率(75 ℃)为1. 445 2 , 熔点为82. 1℃, 与天然产品的性质接近。

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关键词: 天然巴西棕榈蜡, 　石蜡改性, 　催化氧化

Abstract:

　 The substitute for the Carnauba wax was synthesized by catalytic oxidation of paraffin and microcrystalline under acidic catalyst and then using physical blending method. The effects of different factors on the reaction were discussed by or thogonal experiment method. The optimum technological condition is obtained:the mass ratio of mix ed paraffin and micro crystalline is 4 ∶1, mass fr action of catalyst is 1. 0 %, mass fraction of promoter is 1. 6 %, reaction time is 8 h, air flow rate is 1. 25 m3 /h , reaction temperature is 170 ℃. After physical blending , acid number of the product is 12. 93 mg(KOH) /g , saponification number is 82. 71 mg(KOH) /g , index of refraction(75 ℃) is 1. 445 2, melting point is 82. 1 ℃. The product is compared with natural carnauba wax , their characters are similar.

Key words: 　Natural Carnauba wax , , Modified paraffin, , Catalytsis oxidation

丛玉凤, 黄　玮, 廖克俭. 天然巴西棕榈蜡替代品的合成[J]. 辽宁石油化工大学学报, 2007, 27(1): 27-29.

CONG Yu - feng,HUANG Wei,LIAO Ke - jian. Synthesis of the Subst itute for the Carnauba Wax[J]. Journal of Liaoning Petrochemical University, 2007, 27(1): 27-29.