[1]丁 湛,安琳玉,栗慧峰,等.秸秆液化树脂化产物制备生物沥青及性能分析[J].郑州大学学报(工学版),2024,45(06):25-31.[doi:10.13705/j.issn.1671-6833.2024.06.011]
　DING Zhan,AN Linyu,LI Huifeng,et al.Preparation and Performance Analysis of Bio-asphalt from Liquefaction andResinification of Straw[J].Journal of Zhengzhou University (Engineering Science),2024,45(06):25-31.[doi:10.13705/j.issn.1671-6833.2024.06.011]
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秸秆液化树脂化产物制备生物沥青及性能分析()
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《郑州大学学报(工学版)》[ISSN:1671-6833/CN:41-1339/T]

卷:
45
期数:
2024年06期
页码:
25-31
栏目:
出版日期:
2024-09-25

文章信息/Info

Title:
Preparation and Performance Analysis of Bio-asphalt from Liquefaction andResinification of Straw
文章编号:
1671-6833(2024)06-0025-07
作者:
丁 湛1; 2;  安琳玉1; 2;  栗慧峰3;  田晨曦1; 2;  周春雨1; 2;  刘丰凯1; 2
1. 长安大学 水利与环境学院,陕西 西安 710054;2. 长安大学 旱区地下水文与生态效应教育部重点实验室,陕西 西安 710054;3. 长安大学 公路学院,陕西 西安 710064
Author(s):
DING Zhan1; 2;  AN Linyu1; 2;  LI Huifeng3;  TIAN Chenxi1; 2;  ZHOU Chunyu1; 2;  LIU Fengkai1; 2
1. College of Water Conservancy and Environment, Chang’ an University, Xi’ an 710054, China; 2. Key Laboratory of Groundwater Hydrology and Ecological Effects in Arid Areas, Ministry of Education, Chang’ an University, Xi’ an 710054, China; 3. College of Highway, Chang’ an University, Xi’ an 710064, China
关键词:
液化树脂化;  木质基树脂;  生物沥青;  黏度
Keywords:
liquefied resinate;  wood-based resins;  bio-asphalt;  viscosity
分类号:
TQ917U414
DOI:
10.13705/j.issn.1671-6833.2024.06.011
文献标志码:
A
摘要:
针对目前利用废木材、农作物秸秆、牲畜粪便、废油等制得生物油,进而部分或完全取代石油基沥青时路用性能不足的问题,提出了一种采用秸秆液化产物树脂化制木质基酚醛树脂部分取代石油基沥青,开发绿色可持续的生物沥青。 首先,对秸秆进行组分分离得到纤维素和木质素,对秸秆及其主要组分分别进行液化,探讨秸秆液化的主要影响因素;其次,将液化产物与甲醛反应合成木质基酚醛树脂 WPR,并与苯酚反应所得酚醛树脂 PR 进行对比分析;最后,将树脂以不同比例掺到基质沥青中制备生物沥青,通过各生物沥青的三大指标及黏度,分析生物沥青的性能。 结果表明:秸秆的液化速率主要取决于纤维素的液化速率,其液化反应复杂,反应动力学级数为 1. 71;由树脂得率及液化产物、WPR、PR 的 FT-IR 谱图分析可知,WPR 树脂合成率较高,且比 PR 具有更好的反应活性;仅掺加液化产物制备的生物沥青性能较差,掺加 WPR 树脂的生物沥青高温稳定性、低温抗裂性能、抗变形能力及温度稳定性均优于基质沥青。
Abstract:
Waste wood, crop residues, livestock manure and waste oil, were widely used to produce bio-oil. Andthen partially or completely replace the petroleum-based asphalt. But the road performance of this asphalt was insufficient. In this study, the development of green and sustainable bio-asphalt to partially replace petroleum-based asphalt with wood-based phenolic resin made by straw liquefaction products was proposed. Firstly, the separation ofstraw components was carried out to extract cellulose and lignin. Straw and its primary components were liquefied toexplore the main factors influencing the liquefaction of straw. Then the liquefied products were combined with formaldehyde to synthesize lignin-based phenolic resin WPR. And the phenolic resin PR, which was obtained from thereaction with phenol, was compared and analyzed. Finally, the resin was put into matrix asphalt with different ratios to prepare bio-asphalt, and the performance of the bio-asphalt was analyzed by the three major indexes of eachbio-asphalt and viscosity. The results showed that the liquefaction rate of straw mainly depended on the liquefactionrate of cellulose, and its liquefaction reaction was complex, with a reaction kinetic level of 1. 71. From the resinyield and liquefaction products, WPR, PR FT-IR spectral analysis showed that the WPR resin synthesis rate washigher and had a better reactivity than the PR. Only when mixed with the liquefaction products, the performance ofthe bio-asphalt prepared was poorer. However, when mixed with WPR resin, the bio-asphalt′s high temperaturestability, low-temperature cracking resistance, deformation resistance, and temperature stability were better thanmatrix asphalt.

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更新日期/Last Update: 2024-09-29