[1]孙玉秋,陈波水,方建华,等.大豆油及其生物柴油低温流动特性研究[J].大豆科学,2009,28(02):314-316.[doi:10.11861/j.issn.1000-9841.2009.02.0314]
　SUN Yu-qiu,CHEN Bo-shui,FANG Jian-hua,et al.Cold Flow Properties of Soybean Oil and Its Biodiesel[J].Soybean Science,2009,28(02):314-316.[doi:10.11861/j.issn.1000-9841.2009.02.0314]
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大豆油及其生物柴油低温流动特性研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第28卷 期数: 2009年02期 页码: 314-316 栏目: 出版日期: 2009-04-25
Title:
Cold Flow Properties of Soybean Oil and Its Biodiesel
文章编号:
1000-9841(2009)02-0314-03
作者:
孙玉秋; 陈波水; 方建华; 王九
解放军后勤工程学院，重庆 400016
Author(s):
SUN Yu-qiu; CHEN Bo-shui; FANG Jian-hua; WANG Jiu
Logistical Engineering University，Chongqing 400016，China
关键词:
大豆油; 生物柴油; 低温流动性; 热分析
Keywords:
Soybean oil; Biodiesel; Low temperature flow; Thermal analysis
分类号:
TK421.6
DOI:
10.11861/j.issn.1000-9841.2009.02.0314
文献标志码:
A
摘要:
采用燃料低温性能测定仪考察了大豆油及其生物柴油的冷滤点、凝点和运动粘度，采用偏光显微镜和示差扫描量热分析仪探讨了大豆油及其生物柴油低温下失去流动性的机理。结果表明：大豆油制成生物柴油后，运动粘度显著降低，冷滤点降低，凝点略有升高。在低温下，大豆油形成无定形粘稠玻璃状物质，粘度增大，使其失去流动性；大豆油生物柴油中的晶态物质析出，连接成网状结构，包络和吸附了处于液态的生物柴油，使其失去流动性。
Abstract:
Cold filter plugging point，solidifying point and viscosity of a soybean oil and soybean biodiesel were measured by a multifunctional low temperature instrument.The solidification mechanisms were investigated by a polarized microscope and a differential scanning calorimeter.The results indicate that viscosity and cold filter plugging point of soybean biodiesel reduce considerably and solidifying point increases slightly compared with those of soybean vegetable oil.At low temperatures，the increase of viscosity and the formation of thick amorphous glass-like materials jointly impair the fluidity of soybean oil，while for soybean biodiesel，the production of a spongy waxy crystal matrix wraps up liquid biodiesel and therefore inhibits its fluidity.

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备注/Memo

基金项目：重庆市重点自然科学基金资助项目（CSTC，2006BA6031）；解放军后勤工程学院研究生创新基金资助项目。

作者简介：孙玉秋（1980-），女，博士研究生，主要从事液体燃料和润滑材料研究。E-mail:syq19800928@qq.com。

更新日期/Last Update: 2014-10-04