Aging of wood: Analysis of color changes during natural aging and heat treatment

被引：84

作者：

Matsuo, Miyuki ^{[1
]}

Yokoyama, Misao ^{[1
]}

Umemura, Kenji ^{[1
]}

Sugiyama, Junji ^{[1
]}

Kawai, Shuichi ^{[1
]}

Gril, Joseph ^{[1
,2
]}

Kubodera, Shigeru ^{[3
]}

Mitsutani, Takumi ^{[4
]}

Ozaki, Hiromasa ^{[5
]}

Sakamoto, Minoru ^{[6
]}

Imamura, Mineo ^{[6
]}

机构：

[1] Kyoto Univ, Res Inst Sustainable Humanosphere, Kyoto 6110011, Japan

[2] Univ Montpellier 2, CNRS, Lab Mecan & Genie Civil, Montpellier, France

[3] Japanese Assoc Conservat Architectural Monuments, Tokyo, Japan

[4] Nara Natl Res Inst Cultural Properties, Nara, Japan

[5] Paleo Labo Co Ltd, Toda, Saitama, Japan

[6] Natl Inst Humanities, Natl Musuem Japanese Hist, Sakura, Chiba 2858502, Japan

来源：

HOLZFORSCHUNG | 2011年 / 65卷 / 03期

基金：

日本学术振兴会;

关键词：

CIEL*a*b*; color change; heat treatment; historical building; kinetic analysis; natural aging; THERMALLY MODIFIED WOOD; NON-ARRHENIUS BEHAVIOR; PART; MECHANICAL-PROPERTIES; ARCHAEOLOGICAL WOOD; CALCIUM HYDROXIDE; PAPER PERMANENCE; NORWAY SPRUCE; LIME WOOD; DEGRADATION;

D O I：

10.1515/HF.2011.040

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

The color properties of aging wood samples from historical buildings have been compared with those of recent wood samples that were heat treated at temperatures ranging from 90 degrees C to 180 degrees C. The results of kinetic analysis obtained by the time-temperature superposition method showed that the color change during natural aging was mainly due to a slow and mild oxidation process. In other words, heat treatment could accelerate the changes in wood color that occur during aging. In one sample, the color change (Delta E-ab*) after 921 years at ambient temperature was almost equivalent to that of heating (artificial aging) approximately for 6.7 h at 180 degrees C. The results have been interpreted that the aging and the subsequent change in wood color begin at the time of tree harvesting.

引用

页码：361 / 368

页数：8

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