橡胶籽油的分析表征

杨晓琴; 郑志锋; 郑云武; 马焕; 刘灿; 龚慧颖; 黄元波

doi:10.13386/j.issn1002-0306.2016.24.016

橡胶籽油的分析表征

云南省高校生物质化学炼制与合成重点实验室,云南省生物质高效利用工程实验室,西南林业大学材料工程学院

基金项目:

云南省应用基础研究青年项目(2014FD029)；云南省教育厅重点项目(2014Z110)；国家自然科学基金(31200452)；

详细信息

作者简介:
杨晓琴(1987-),女,博士,讲师,主要从事生物质能源及材料方面的教学科研工作,E-mail:283933790@qq.com。;

黄元波(1977-),女,博士,副教授,主要从事生物质能源及材料方面的教学科研工作,E-mail:youthshow@163.com。;

中图分类号: TQ644
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出版历程
- 收稿日期: 2016-05-26

Analysis and characterization of rubber seed oil

University Key Laboratory for Biomass Chemical Refinery & Synthesis,Yunnan Province,Engineering Laboratory for High Efficient Utilization of Biomass,Yunnan Province,College of Materials Engineering,Southwest Forestry University

摘要

摘要: 以橡胶籽为原料,对其基本理化性能和结构进行分析表征,采用GC-MS分析脂肪酸组成,FTIR、1H NMR、13C NMR表征结构,采用DSC和TG进行热性能分析,结果表明,橡胶籽油碘值137.64 g·100 g-1,理论双键为4.63（C=C）·100 g-1,最大理论环氧值为7.98%·100 g-1,主要由棕榈酸（5.40%）、硬脂酸（8.27%）、油酸（20.32%）、亚油酸（37.05%）和亚麻酸（28.72%）等脂肪酸组成,不饱和脂肪酸的含量高达86.09%;其结构为甘油三酯结构,存在大量双键,双键的位置分别位于脂肪酸链中的9,12和15位;具有较好的热稳定性,最大失重速率温度为404℃。橡胶籽油不饱和度较高,具有较大的化学改性空间,热稳定性好,可作为替代石化原料的潜在可再生资源。
- 橡胶籽油 /
- 非食用 /
- 可再生资源 /
- 分析表征
Abstract: The basic physical and chemical properties and structure of rubber seed oil was analyzed and characterized,the fatty acid composition was analyzed by GC- MS,the structure was characterized by FTIR,1H NMR,and13 C NMR,and the thermal property was analyzed by DSC and TG,results demonstrated that the iodine value of rubber seed oil was 137.64 g·100 g- 1,the theoretical double bond was 4.63( C = C)·100 g- 1,and the maximum theoretical epoxy value was 7.98%·100 g- 1,the rubber seed oil mainly contained palmitic acid( 5.40%),stearic acid( 8.27%),oleic acid( 20.32%),linoleic acid( 37.05%),and linolenic acid( 28.72%),the content of unsaturated fatty acid was up to 86.09%. A large number of double bond in the triglycerides structure of rubber seed oil which located 9,12,and 15 of fatty acid chain,in addition,the rubber seed oil had relatively high thermal stability that temperature of the maximum weight loss rate was 404 ℃. Rubber seed oil which has high degree of unsaturation,large chemical modification space,and good thermal stability which can be used as potential renewable resources to substitute for petrochemical material.
- rubber seed oil /
- inedible /
- renewable resources /
- analysis and characterization

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