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首页> 外文期刊>Journal of Applied Polymer Science >High bonding strength and boiling water resistance of soy protein-based adhesives via organosilicon-acrylate microemulsion and epoxy synergistic interfacial enhancement
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High bonding strength and boiling water resistance of soy protein-based adhesives via organosilicon-acrylate microemulsion and epoxy synergistic interfacial enhancement

机译：通过有机硅 - 丙烯酸酯微乳液和环氧协同界面增强高粘接强度和大豆蛋白粘合剂的高粘合强度和沸水性

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摘要

Boiling water resistance, an important indicator of wood adhesives, represents the capability of adhesives for exterior woodwork applications. However, soy-based adhesives show poor behaviors in this respect, which limit their applications in outdoor environments. In this article, we report a synergistic modification method of integrating a cocrosslinking system of epoxied polyamideamine-epichlorohydrin (PAE) and organosilicon-acrylate copolymer latexes (OACLs) to improve soybean meal (SM)-based adhesive properties. Tailored PAE and OACL SM-based adhesives demonstrated robust crosslinking structures via multi-interfacial interactions, where PAE and OACL served as building blocks of an interpenetrating network, which was characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermogravimetric analysis, and scanning electron microscopy. The dry-shear strength, wet-shear strength, and boiling water strength of the resulting SM-based adhesives were 1.41 +/- 0.13, 1.32 +/- 0.17, and 1.20 +/- 0.11 MPa, respectively, with 15 wt % OACL loading; these were 41, 45, and 90% increases, respectively, over the SM-PAE adhesive with which we compared them. Most importantly, the excellent boiling water resistance of the adhesives make them practical for exterior plywood. (c) 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46061.
机译：沸水耐水，是木材粘合剂的重要指标，代表了外部木工应用的粘合剂的能力。然而，基于大豆的粘合剂在这方面表现出差的行为，这限制了他们在室外环境中的应用。在本文中，我们报告了一种协同改性方法，其将环氧聚酰胺 - 表氯醇（PAE）和有机硅 - 丙烯酸酯共聚物胶乳（OACL）的共聚物胶乳（OACL）的共聚物（OACL）的共聚物分解方法。定制的PAE和OACL SM基粘合剂通过多界面相互作用展示了鲁棒的交联结构，其中PAE和OACL作为互穿网络的构建块，其特征在于傅里叶变换红外光谱，X射线衍射，热重分析和扫描电子显微镜。由此产生的SM基粘合剂的干剪强度，湿剪强度和沸水强度分别为1.41 +/- 0.13,1.32 +/- 0.17和1.20 +/- 0.11MPa，其中15wt％Oacl装载;这些是41,45和90％，分别在SM-PAE粘合剂上增加，我们比较它们。最重要的是，粘合剂的优异沸水耐水性使其成为外部胶合板的实用性。 （c）2017 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2018,135,46061。

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