[1]班玉凤,沈国良,宋菊玲,等.乙醇改性大豆蛋白制豆胶的研究[J].大豆科学,2008,27(06):1045-1048.[doi:10.11861/j.issn.1000-9841.2008.06.1045]
　BAN Yu-feng,SHEN Guo-liang,SONG Ju-ling,et al.Adhesive Properties of Ethanol-Modified Soy Proteins[J].Soybean Science,2008,27(06):1045-1048.[doi:10.11861/j.issn.1000-9841.2008.06.1045]
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乙醇改性大豆蛋白制豆胶的研究

《大豆科学》[ISSN:1000-9841/CN:23-1227/S] 卷: 第27卷 期数: 2008年06期 页码: 1045-1048 栏目: 出版日期: 2008-12-25
Title:
Adhesive Properties of Ethanol-Modified Soy Proteins
文章编号:
1000-9841(2008)06-1045-04
作者:
班玉凤; 沈国良; 宋菊玲; 徐铁军
沈阳工业大学石油化工学院，辽宁 辽阳111003
Author(s):
BAN Yu-feng; SHEN Guo-liang; SONG Ju-ling; XU Tie-jun
Shenyang University of Technology College of Petrochemical Engineering，Liaoyang 111003，Liaoning，China
关键词:
大豆蛋白; 乙醇; 耐水性; 粘接强度; 木材
Keywords:
Soybean protein; Ethanol; Water resistance; Shearing strength; Wood
分类号:
TQ432.7
DOI:
10.11861/j.issn.1000-9841.2008.06.1045
文献标志码:
A
摘要:
研究乙醇改性大豆蛋白对木材用豆胶的胶粘性能的影响。乙醇可使大豆蛋白发生部分变性，使蛋白分子中疏水性基团暴露出来，以提高豆胶的耐水性。通过正交试验优化出最佳条件：乙醇浓度30%，蛋白与水质量比1：9、改性时间45 min、改性温度75℃。将上述最佳条件下制得的豆胶施在胡桃木样品上，经三个循环的48 h水浸泡和48 h空气干燥后剪切强度由未浸泡前的81.6 MPa降至73.9 MPa，仅下降了9.4%。结果表明：乙醇改性后的豆胶的粘接强度和耐水性都有所提高。
Abstract:
Adhesive properties of ethanol-modified soy proteins on woods were investigated.Soy proteins can be modified partially with ethanol and then hydrophobic amino acids exposed.The exposure of hydrophobic amino acids may enhance water resistance.Orthogonal test was carried out to further optimize the conditions which were determined as follow：concentration of ethanol 30%，SPI / ethanol aqueous solution mass ratio 1：9，modifying time 45min，and modifying temperature 75℃.Under these conditions the adhesion was made and then applied on walnut specimen.After three 48 hours cycles of water-soaking，followed by 48 hours of air-drying，the shearing strength of the specimen decreased from 81.6 MPA which before three cycles of water-soaking to 73.9 MPA.The ratio of decrease was 9.4%.Results indicate that soy proteins modified with ethanol enhance water resistance as well as adhesive strength.

参考文献/References:

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备注/Memo

基金项目：辽宁省教育厅资助项目（05L283）。

作者简介：班玉凤(1969-),女, 副教授，研究方向为生物酶催化。E-mail: banyufeng@yahoo.com.cn。

更新日期/Last Update: 2014-10-06