SINTESIS SURFAKTAN DIETANOLAMIDA DARI METIL ESTER MINYAK BIJI BUNGA MATAHARI (Helianthus annuus. L) MELALUI REAKSI AMIDASI

Nur Khsanah, D. Daniel, E. Marliana
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引用次数: 1

Abstract

Synthesis of dietanolamide surfactant from methyl ester of sunflower seed oil (Helianthus annuus. L) has been carried out through an amidation reaction. The synthesis process includes extraction, esterification and amidation. In the extraction process showed the oil content of sunflower seeds was 32.93% with an acid number of 3.25 mg KOH/g and ALB levels of 1.63%. Sunflower seed oil was then converted to methyl ester through the esterification process and obtained an acid number 1.84 mg KOH/g so that the ALB level dropped to 0.92% and obtained saponification numbers of 61.19 mg KOH/g. The most dominant composition of methyl ester of sunflower seed oil based on GC-MS analysis was methyl oleate at 23.28%. The FT-IR methyl ester spectrum gives a specific absorption peak for group C=O ester at wave number 1743 cm-1. Methyl esters are converted to diethanolamide through an amidation process. The resulting diethanolamide has an acid number of 9.7 mg KOH/g and a saponification number of 3.08 mg KOH/g. The FT-IR spectrum provides specific absorption peaks for groups C=O amides at wave numbers 1622 cm-1 and C-N at wave numbers 1055 cm-1. The value of HLB dietanolamide in practice is 13.6495 and in theory is 14.291 which includes the surfactant in the oil in water (O/W) emulsifying class.
由葵花籽油(Helianthus annuus)合成二乙酰亚胺。L)通过ami领带的反应
以葵花籽油甲酯为原料合成二乙烷酰胺表面活性剂。L)是通过酰胺反应进行的。合成过程包括萃取、酯化和酰胺化。在提取过程中,葵花籽的油含量为32.93%,酸数为3.25 mg KOH/g, ALB含量为1.63%。葵花籽油经酯化反应生成甲酯,酸值为1.84 mg KOH/g, ALB水平降至0.92%,皂化数为61.19 mg KOH/g。GC-MS分析结果表明,葵花籽油中油酸甲酯含量最高,占23.28%。甲基酯的FT-IR光谱在波数1743 cm-1处给出了C=O基团酯的特定吸收峰。甲酯通过酰胺化过程转化为二乙醇酰胺。所得二乙醇酰胺的酸值为9.7 mg KOH/g,皂化值为3.08 mg KOH/g。FT-IR光谱为C=O基团酰胺在波数1622 cm-1和C- n在波数1055 cm-1处提供了特定的吸收峰。HLB二乙酰胺的实际值为13.6495,理论值为14.291,其中包括油水(O/W)乳化类中的表面活性剂。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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