Adhesion properties of soy protein with fiber cardboard

被引:66
作者
Zhong, ZK
Sun, XS [1 ]
Fang, XH
Ratto, JA
机构
[1] Kansas State Univ, Dept Grain Sci & Ind, Manhattan, KS 66506 USA
[2] USA, Soldier Syst Command, Natick, MA 01760 USA
关键词
adhesive strength; fiber cardboard; protein adhesives; soy protein; soy protein isolate; water resistance; wood adhesive;
D O I
10.1007/s11746-001-0216-0
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
Adhesion properties of soy protein isolate (SPI) on fiber cardboard and effects of press conditions, pre-pressing drying time, and protein concentrations on gluing strength were investigated. Shear strength increased as press time, press pressure, and/or press temperature increased. The effect of temperature on shear strength became more significant at high press pressure. The shear strength uf the SPI adhesive on fiber card board decreased by 12-25% after water soaking. Shear strength increased as pre-pressing drying time increased and reached its maximal value at about 10 min. An SPI/water ratio of 12:100 (W/W) Save the highest gluing strength. The specimens showed complete cohesive failure (fiber cardboard failure) except for soaked specimens pressed at low press temperature, low pressure, and short press time. Specimens pressed at 25 degreesC and 2 MPa for 5 min with pre-pressing drying time of 10 min and an SPI/water ratio of 12:100 (w/w) had T-peel strength and tensile bonding strength of 1.15 N/mm and 0.62 MPa, respectively, without water soaking, and 1.11 N/mm and 0.24 MPa, respectively, with water soaking.
引用
收藏
页码:37 / 41
页数:5
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