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硅溶胶含量对UV固化水性木器涂料漆膜质量的影响 被引量:11

Influence of silica sol content on quality of waterborne UV-curable wood coatings
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摘要 采用硅溶胶对UV固化水性木器涂料进行改性,并对改性后的UV固化水性木器涂料涂层的力学性能(耐磨性、硬度、附着力和抗冲击性能)和光学性能进行测试,旨在通过改性改善UV固化水性木器涂料漆膜的力学性能和光学性能,满足市场对水性绿色涂料的需求。试验结果表明:当硅溶胶的含量为1%(质量分数),紫外灯为3盏,干燥时间为20 min时,UV固化水性木器涂料漆膜的力学性能达到最佳,其耐磨性、硬度、附着力和抗冲击强度分别达到0106 g、H级、3级和90 kg·cm,但是当硅溶胶的含量大于1%时,漆膜的耐磨性、硬度、附着力、抗冲击性反而下降;光泽度的测试结果表明,涂层的光泽度随着硅溶胶含量的升高而下降,当硅溶胶含量为2%-6%时,涂层呈现亚光光泽度。该改性工艺步骤简洁、条件可控、价格低廉,且能满足日常生活中对UV固化水性木器涂料的需求。 The UV curing water-borne wood coatings were modified by silica sol, and the mechanical properties (wear resistance, hardness, adhesion, and anti-impact performance and optical properties) of the modified coatings were ex- amined. This paper was aimed to develop the modified waterborne UV-curable wood coatings with high performance to meet the market requirements. The experimental results showed that when 1% silicon sol content ( mass ratio) , 3 UV lamp, and 20 min drying time were used, the optimal mechanical properties (wear resistance of 0. 106 g, hardness of H, adhesion of 3 and impact strength of 90 kg. cm) of the UV curing coatings were achieved. However, when the content of silica sol was higher than 1%, the wear resistance, hardness, adhesion and impact resistance of the coating de- creased. Gloss test results showed that, the gloss of the coating decreased with the increase in content of silica sol, and when the content of the silica sol was 2%-6%, the coating presented the matt gloss. The modification process of UV cu- ring water-borne wood coatings is simple, controllable conditions, low cost, and has a promising market future.
出处 《林业工程学报》 北大核心 2016年第6期148-152,共5页 Journal of Forestry Engineering
基金 中国博士后特别资助项目(2014T70529) 江苏省高校自然科学研究面上项目(13KJB220005) 江苏省2015年度普通高校研究生实践创新计划项目(SJLX15-0408)
关键词 硅溶胶 水性UV 木器涂料 漆膜质量 silica sol waterborne-UV wood coating film quality
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