Fabrication of EVA Based Hot Melt Adhesive for Textiles via Adjusting Component Amount and Experimental Parameters
WU Hailiang1, YANG Qian1, ZHANG Xiwen1, SHEN Yanqin1, YAO Yijun2
1 School of Textile Science and Engineering, Xi’an Polytechnic University, Xi’an 710048 2 College of Bioresources Chemical and Materials Engineering, Shaanxi University of Science and Technology, Xi’an 710021
Abstract: Ahot melt adhesive for textile products with high strength and low viscosity was synthesized via melt blending method and taking ethylene vinyl acetate (EVA) as matrix. The structure and thermal stability of the obtained EVA based hot melt adhesive were characterized by infrared spectrum (FTIR) and differential scanning calorimeter (DSC). The relationship between tackifying resin types and peel strength of hot melt adhesives was investigated. Furthermore, the impact of various conditions on the properties(such as melt index, melt viscosity, hardness and bonding effect to laminated textiles etc.) of EVA based hot melt adhesive was analyzed. The results indicated that the EVA based hot melt adhesive showed superior peeling strength on polyester fabric, under the colophony (as a tackifying resin) and EVA mass ratio of 16∶25, and the antioxidant input amount of 0.8% of EVA. The addition of paraffin wax could improve the viscosity of the EVA based hot melt adhesive. In addition, under the condition that the mixing temperature reached 140 ℃ and mixing time was 25 min, the prepared EVA based hot melt adhesive presented high glass transition temperature (Tg=49.8 ℃), favorable melt index (MI=18.834 g/10 min), and satisfactory peeling strength (34.1 N) for laminated polyester fabric, which met the demands of laminated textiles.
武海良, 杨倩, 张希文, 沈艳琴, 姚一军. EVA基纺织品用热熔胶的形成:组分含量和参数调控[J]. 材料导报, 2019, 33(6): 1070-1073.
WU Hailiang, YANG Qian, ZHANG Xiwen, SHEN Yanqin, YAO Yijun. Fabrication of EVA Based Hot Melt Adhesive for Textiles via Adjusting Component Amount and Experimental Parameters. Materials Reports, 2019, 33(6): 1070-1073.
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2019, Vol. 33 
