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室外涂饰木材的抗老化性能(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2007年04期
Page:
61-64
Column:
研究论文
publishdate:
2007-04-20

Article Info:/Info

Title:
Research on Anti-aging Ability of Exterior Coated Wood
Article ID:
1000-2006(2007)04-0061-04
Author(s):
LU Bu-yun12 MERLIN A.2 PERRE P.2 CHRUSCIEL L.2 ZHOU. Ding guo1
1. College of Wood Science and Technology Nanjing Forestry University, Nanjing 210037, China; 2. Lermab Uhp-Nancyl, Nancy, 54600, France
Keywords:
Exterior coated wood Air permeability Anti-aging
Classification number :
S781.35
DOI:
10.3969/j.jssn.1000-2006.2007.04.013
Document Code:
A
Abstract:
Coating can protect the exterior wood products from aging caused by environmental factors. This paper researches the properties of coating and wood during aging by measuring the air permeability of exterior coated wood. The results show that the anti-aging ability of coating has no clear relation to the permeability of coating. The air permeability of exterior coated wood is lower than that of the uncoated wood, and it increases with the aging time. The coating on the radial wood surface is stronger than that on the tangential surface, and the permeability uptake coefficient kt on tangential wood surface has more cleat relation with aging time: the permeability uptake coefficient kt increase quickly at first aging period, then increase slowly at middle aging period. At last aging period kt even decrease.

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Last Update: 2013-05-20