Influence of Drying Temperature and Relative Humidity on Drying Rate and Coating Film Properties of Waterborne Wood Coatings

XU Kang; ZHANG Jia-zu; LI Qin; YUAN Shao-fei; LU Liu; ZHANG Jian; WANG Hong-yan

doi:10.19455/j.mcgy.20190201

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Influence of Drying Temperature and Relative Humidity on Drying Rate and Coating Film Properties of Waterborne Wood Coatings
1. Longquan Industrial Innovation Service Center
2. Key Lab of Bamboo Research of Zhejiang,Zhejiang Academy of Forestry
3. 浙江农林大学工程学院
4. School of Engineering,Zhejiang Agriculture and Forestry University
Vol. 33, Issue 2, Pages: 1-5(2019)
DOI： 10.19455/j.mcgy.20190201

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[1]徐康,张家祖,李琴,袁少飞,逯柳,张建,王洪艳.温湿度对水性木器漆干燥速率及漆膜性能的影响[J].木材工业,2019,33(02):1-5.

XU Kang, ZHANG Jia-zu, LI Qin, et al. Influence of Drying Temperature and Relative Humidity on Drying Rate and Coating Film Properties of Waterborne Wood Coatings. [J]. China Wood Industry 33(2):1-5(2019)
[1]徐康,张家祖,李琴,袁少飞,逯柳,张建,王洪艳.温湿度对水性木器漆干燥速率及漆膜性能的影响[J].木材工业,2019,33(02):1-5. DOI： 10.19455/j.mcgy.20190201.

XU Kang, ZHANG Jia-zu, LI Qin, et al. Influence of Drying Temperature and Relative Humidity on Drying Rate and Coating Film Properties of Waterborne Wood Coatings. [J]. China Wood Industry 33(2):1-5(2019) DOI： 10.19455/j.mcgy.20190201.

摘要

探究不同温湿度对水性聚氨酯木器漆干燥速率及漆膜性能的影响。试验结果表明,随着干燥温度升高,底漆第1道（BI）和面漆第1、2道（SI、SII）的表干、实干时间均逐步缩短,且SI和SII间的表、实干时间差值均逐步缩小;随着相对湿度增加,BI表、实干时间平稳延长,在高相对湿度时,SI和SII的表、实干时间亦明显延长;不同温湿度干燥对漆膜硬度和附着力均无影响,相对湿度增加后试样耐磨性降低。

Abstract

Influence of drying temperature and relative humidity（RH） on drying rate and coating film properties of waterborne polyurethane wood lacquers were explored.The results showed that surface and hard drying time of the base-coat first finishing（BI）, the top-coat first finishing（SI） and the top-coat secondary finishing（SII） all reduced gradually with temperature increase,and time interval of the surface and the hard drying time between SI and SII became short. The surface and hard drying time of the BI increased smoothly with RH increase. The surface and hard drying time of the SI and SII elongated when RH was high. No obvious differences were found of the hardness and adhesion of the coating films under different drying conditions. Abrasion resistance of the coating films decreased with RH increase.

关键词

水性木器漆表干时间实干时间漆膜性能底漆面漆

Keywords

waterborne wood coatingsurface drying timehard drying timeproperties of coating filmbase-coattop-coat

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