Manufacturing and Interfacial Bonding Behavior of EVA Film Reinforced Flexible Decorative Veneer

IF 0.8 4区工程技术 Q3 FORESTRY Wood and Fiber Science Pub Date : 2021-08-11 DOI:10.22382/wfs-2021-19

Lu Fang, Xinhao Zhang, Yu Zhang, Q. Tang

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引用次数: 5

Abstract

Polyethylene film reinforced flexible decorative veneer has attracted wide attention. However, its curling deformation has not been well solved due to the high processing temperature. Ethylene-vinyl acetate copolymer (EVA) has lower melting temperature and better flexibility than polyethylene. In this work, EVA film was selected to enhance Manchurian ash ( Fraxinus mandshurica) aimed at preparing flexible decorative veneer with high strength and low curling degree. Box-Behnken experimental design method was applied to determine the optimum processing parameters. The secondary overlaying performance of the flexible veneer was evaluated. Under optimum conditions the EVA reinforced veneer obtained a maximum transverse tensile strength of 2.42 MPa. EVA can form a continuous interface with the veneer, which was helpful to improve the flexibility of the veneer. Curling degree of the EVA film reinforced veneer was far less than that of the polyethylene reinforced veneer even at the same processing temperature. EVA reinforced flexible veneer was good to be used to decorate wood-based panels without additional adhesives. Both immersion peel strength and surface bonding strength of the prepared decorative panel can meet the requirements of GB/T 15104-2006.

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EVA膜增强柔性装饰单板的制备及界面粘接性能

聚乙烯膜增强柔性装饰单板引起了广泛的关注。但由于加工温度高，其卷曲变形一直没有得到很好的解决。乙烯-醋酸乙烯共聚物(EVA)具有比聚乙烯更低的熔融温度和更好的柔韧性。本文选用EVA膜对满洲白蜡进行增强，制备高强度、低卷曲度的柔性装饰单板。采用Box-Behnken试验设计方法确定最佳工艺参数。对柔性单板的二次复盖性能进行了评价。在最佳条件下，EVA增强单板的最大横向抗拉强度为2.42 MPa。EVA能与单板形成连续的界面，有利于提高单板的柔韧性。即使在相同的加工温度下，EVA膜增强单板的卷曲程度也远远小于聚乙烯增强单板。EVA增强柔性单板无需添加粘合剂即可很好地装饰人造板。所制备装饰板的浸没剥离强度和表面结合强度均满足GB/T 15104-2006的要求。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Wood and Fiber Science 工程技术-材料科学：纺织

CiteScore

7.50

自引率

0.00%

发文量

审稿时长

>12 weeks

期刊介绍： W&FS SCIENTIFIC ARTICLES INCLUDE THESE TOPIC AREAS: -Wood and Lignocellulosic Materials- Biomaterials- Timber Structures and Engineering- Biology- Nano-technology- Natural Fiber Composites- Timber Treatment and Harvesting- Botany- Mycology- Adhesives and Bioresins- Business Management and Marketing- Operations Research. SWST members have access to all full-text electronic versions of current and past Wood and Fiber Science issues.