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通过比较山毛榉木材在4种室外用涂料涂饰前和涂饰后的气体渗透能力,研究木材弦向和径向的气体渗透能力的变化。结果表明:漆膜可较好地保护木材免受空气和水的侵害,经4种涂料涂饰后,山毛榉木材的气体渗透值均有所下降;溶剂型涂料的气体渗透性能比水溶性涂料差,色漆比清漆更难渗透;山毛榉基材弦向的气体渗透能力在涂饰前和涂饰后均比径向略大。
By comparing beech wood in four kinds of outdoor paint before and after the coating of the gas penetration capacity of wood to study the chord and radial gas permeability changes. The results show that the film can protect the wood from the air and water effectively, and the gas permeation value of the beech wood decreases after being coated with the four kinds of paints. The solvent permeability of the solvent-based paint is worse than that of the water-soluble paint, Paints are harder to penetrate than varnishes; gas permeation through the chord of the beech substrate is slightly larger than the radial before and after painting.