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    林欣雨, 张秋昊, 黄艳辉, 皇权飞, 杨欣. 竹集成材水性漆涂饰工艺及附着机理研究[J]. 北京林业大学学报, 2022, 44(9): 158-164. DOI: 10.12171/j.1000-1522.20220151
    引用本文: 林欣雨, 张秋昊, 黄艳辉, 皇权飞, 杨欣. 竹集成材水性漆涂饰工艺及附着机理研究[J]. 北京林业大学学报, 2022, 44(9): 158-164. DOI: 10.12171/j.1000-1522.20220151
    Lin Xinyu, Zhang Qiuhao, Huang Yanhui, Huang Quanfei, Yang Xin. Painting technology and adhesion mechanism of waterborne paint based on bamboo laminated lumber[J]. Journal of Beijing Forestry University, 2022, 44(9): 158-164. DOI: 10.12171/j.1000-1522.20220151
    Citation: Lin Xinyu, Zhang Qiuhao, Huang Yanhui, Huang Quanfei, Yang Xin. Painting technology and adhesion mechanism of waterborne paint based on bamboo laminated lumber[J]. Journal of Beijing Forestry University, 2022, 44(9): 158-164. DOI: 10.12171/j.1000-1522.20220151

    竹集成材水性漆涂饰工艺及附着机理研究

    Painting technology and adhesion mechanism of waterborne paint based on bamboo laminated lumber

    • 摘要:
        目的  竹集成材性能优异,常被用于家具、建筑等行业。涂饰水性漆能有效保护竹集成材,目前竹集成材水性漆涂饰面临水性漆渗透困难、附着力差的问题。因而探究涂饰工艺及清漆和色漆对竹集成材水性漆的漆膜性能和附着机理的影响,有助于解决竹集成材水性涂装的难题。
        方法  以竹集成材为基材,采用简易的多次喷涂底漆的涂饰工艺将水性清漆和色漆进行涂饰,并对漆膜硬度、附着力、光泽度、表面粗糙度进行测试,进一步利用电镜和红外分析探究漆膜在竹集成材上的附着机理。
        结果  清漆漆膜硬度为1H,附着力为0级,而色漆因含有颜料,硬度更高为2H。颜料颗粒的存在影响了成膜的交联程度,使得色漆的附着力较差为1级,表面粗糙度高于清漆。说明本涂饰工艺能保持较强的附着力与漆膜硬度,能够对基材进行较好的保护。经过水性漆涂饰后的竹集成材表面光泽度显著增加,纵向的光泽度提高了5倍以上,大大提高了其装饰性能。且清漆涂饰前后总色差值较低,说明清漆能较好地保持竹集成材本身的颜色。水性漆中的成膜物质与基材之间产生了物理和化学结合,有助于水性漆更好的附着。
        结论  本研究探明了竹集成材水性清漆和色漆的影响以及水性漆漆膜的附着肌理,为竹材的水性化涂装及性能提升提供了理论和技术支持。

       

      Abstract:
        Objective  Bamboo laminated lumber has excellent properties and is often used in furniture, construction and other industries. The application of waterborne paint can effectively protect bamboo laminated lumber. At present, the waterborne paint painting of bamboo laminated lumber faces the problems of difficult penetration and poor adhesion of waterborne paint. Therefore, it is helpful to study the influence of painting technology and varnish and color paint on the film properties and adhesion mechanism of bamboo laminated lumber waterborne paint, which will help to solve the problem of bamboo laminated lumber waterborne coating.
        Method  Using bamboo laminated lumber as the base material, the waterborne varnish and color paint were painted by a simple and economical painting process, and film hardness, adhesion, gloss and surface roughness were tested, and the adhesion of the paint film on the bamboo laminated lumber was further explored by means of electron microscope and infrared analysis.
        Result  The hardness of the varnish film was 1H and the adhesion was grade 0, while the hardness of the color paint was 2H because it contained pigments. The presence of pigment particles affected the degree of cross-linking of the film, which made the adhesion of the paint less than grade 1, and the surface roughness was higher than that of the varnish. It showed that the coating process can maintain strong adhesion and paint film hardness, and can better protect the substrate. The surface gloss of bamboo after waterborne paint was significantly increased, and the longitudinal gloss was increased by more than 5 times, which greatly improved its decorative performance. And the total color difference value before and after varnish painting was low, indicating that varnish painting can better maintain the color of bamboo laminated lumber itself. The analysis showed that the film-forming substances in the waterborne paint had a physical and chemical bond with the bamboo substrate, which contributed to the better adhesion of the waterborne paint.
        Conclusion  This study has explored the effects of waterborne varnish and colored paint on bamboo laminated lumber and the adhesion texture of waterborne paint film, providing theoretical and technical support for waterborne painting and performance improvement of bamboo.

       

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