[1]汤阳,王玉洁,李炯炯,等. 大豆蛋白改性酚醛树脂制备及其固化特性研究[J].西北林学院学报,2023,38(1):224-229.[doi:10.3969/j.issn.1001-7461.2023.01.31]
 TANG Yang,WANG Yu-jie,LI Jiong-jiong,et al. Preparation and Curing Properties of Soybean Protein Modified Phenolic Resin[J].JOURNAL OF NORTHWEST FORESTRY UNIVERSITY,2023,38(1):224-229.[doi:10.3969/j.issn.1001-7461.2023.01.31]
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 大豆蛋白改性酚醛树脂制备及其固化特性研究()
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《西北林学院学报》[ISSN:1001-7461/CN:61-1202/S]

卷:
第38卷
期数:
2023年第1期
页码:
224-229
栏目:
出版日期:
2023-01-31

文章信息/Info

Title:
 Preparation and Curing Properties of Soybean Protein Modified Phenolic Resin
文章编号:
1001-7461(2023)01-0224-06
作者:
 汤阳1王玉洁1李炯炯2杨红旗1李城1*李建章3*
 (1.河南农业大学 林学院,河南 郑州 450002;2.南京林业大学 材料科学与工程学院,江苏 南京 210037;3.北京林业大学 材料科学与技术学院,北京 100083)
Author(s):
 TANG Yang1WANG Yu-jie1LI Jiong-jiong2YANG Hong-qi1LI Cheng1*LI Jian-zhang3*
 (1.College of Forestry,Henan Agricultural University,Zhengzhou 450002,Henan,China; 2.College of Materials Science and Engineering,Nanjing Forestry University,Nanjing 210037,Jiangsu,China; 3.College of Materials Science and Technology,Beijing Forestry University,Beijing 100083,China)
关键词:
 大豆蛋白酚醛树脂共缩聚固化特性生物质改性
Keywords:
 soybean protein co-polycondensation phenolic resin curing performance biomass modification
分类号:
S781.7
DOI:
10.3969/j.issn.1001-7461.2023.01.31
文献标志码:
A
摘要:
 采用富含氨基的大豆蛋白对酚醛树脂进行共缩聚改性,探索蛋白对酚醛树脂低温快速固化的影响。通过检测树脂的pH、固含量、凝胶时间,以及结合红外、热重、差示扫描量热分析等方法对改性的酚醛树脂的各项性能进行研究。结果表明,大豆蛋白改性酚醛树脂具有良好的理化特性和胶接性能,其中30% SPF树脂制备胶合板的胶合强度高,达到1.30 MPa;大豆蛋白与苯酚、甲醛发生了共缩聚反应,形成的大豆蛋白-苯酚-甲醛共缩聚树脂结构具有优异的热稳定性,且具有较低的固化温度。该研究解决了酚醛树脂存在的固化温度高、固化速率慢、高度依赖化石资源等缺点,为其在木材工业中广泛应用提供依据。
Abstract:
 Phenolic resin is one of the most widely used wood adhesives in the wood-based panel industry.It has the features of high bonding strength,excellent water resistance,and good weather resistance.However,drawbacks of phenolic resins such as high curing temperature,low curing rate,and high dependence on petrochemical resources,which severely limit its wide applications in the wood industry.In order to solve the above-mentioned shortcomings,this study modified phenolic resin using soybean protein via co-condensation,and explored the effect of plant protein on the fast curing of phenolic resin at low temperature.Various properties of soybean protein modified phenolic resin were studied by detecting the resin’s pH,solid content,gel time,as well as Fourier transform infrared analysis (FTIR),thermogravimetric analysis (TG),differential scanning calorimetry analysis (DSC),and other measurements.The results showed that the soybean protein modified phenolic resin had good physical/chemical properties and high bonding strength.Among the adhesives tested,the plywood prepared with 30% SPF resin had the highest bonding strength,reaching up to 1.30 MPa.Polycondensation reactions occurred between the soybean protein,phenol,and formaldehyde,leading to the formation of soybean protein-phenol-formaldehyde resin with co-polycondensation structures that had excellent thermal stability and lower curing temperature.

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备注/Memo

备注/Memo:
 收稿日期:2021-12-07修回日期:2022-01-19
基金项目:河南省高等学校重点科研项目(21A220001);河南农业大学青年英才项目(30500928);江苏省自然科学基金(BK20200795)。
第一作者:汤阳。研究方向:生物质基木材胶黏剂。E-mail:tangy1125@163.com
*通信作者:李城,副教授,硕士研究生导师。研究方向:生物质胶黏剂。E-mail:lichengzzm@163.com
李建章,教授,博士生导师。研究方向:木基新材料、生物质环保胶黏剂。E-mail:lijzh@bjfu.edu.cn
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