목재용 마감도료의 휘발성유기화합물 방출특성

VOCs Emission Characteristics of Coating Materials for Wood Finishing

In order to prevent decay, distortion, bending, twist on wood products such as wood-en furnitures, variety of coating materials were developed and used so far. The coating materi-als for wood finishing can be synthesized by natural resource or petroleum. However, these coating materials can cause contamination of indoor air quality due to emission of volatile or-ganic compounds (VOCs). In this study, commercialized coating materials for wood finishing such as varnish, coat, and stain were evaluated on emission characteristics of VOCs. Among the varnish, eco-friendly products had about 15∼46% lower TVOC emission (1,042 μg/m2h∼3,257 μg/m2h, respectively, than typical product (7,100 μg/m2h). Natural resource based coating material showed lowest TVOC emission level. However, one of natural resource based water-borne stain showed higher TVOC emission level because waterborne stain already contained higher amount of natural VOC. Oil-based stain might not be suitable for indoor use on interior wall and furniture due to exceed amount of TVOC. Based on results, natural resource based coat or waterborne stain are recommenced to use on wood products.