碱性脱脂处理对马尾松单板表面特性的影响

卫佩行; 周定国

doi:10.11833/j.issn.2095-0756.2012.05.022

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碱性脱脂处理对马尾松单板表面特性的影响

卫佩行 , 周定国

文章导航 > 浙江农林大学学报 > 2012 > 29(5): 778-782

卫佩行, 周定国. 碱性脱脂处理对马尾松单板表面特性的影响[J]. 浙江农林大学学报, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

引用本文:

卫佩行, 周定国. 碱性脱脂处理对马尾松单板表面特性的影响[J]. 浙江农林大学学报, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

WEI Pei-xing, ZHOU Ding-guo. Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer[J]. Journal of Zhejiang A&F University, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

Citation:

WEI Pei-xing, ZHOU Ding-guo. Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer[J]. Journal of Zhejiang A&F University, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

碱性脱脂处理对马尾松单板表面特性的影响

doi: 10.11833/j.issn.2095-0756.2012.05.022

卫佩行,
周定国^,

1.
南京林业大学木材工业学院，江苏南京210037

详细信息

通信作者: 周定国

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

WEI Pei-xing,
ZHOU Ding-guo^,

1.
College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

More Information

Corresponding author: ZHOU Ding-guo

摘要: 对马尾松Pinus massoniana单板进行氢氧化钠碱液脱脂处理，借助电子自旋振动波谱仪、扫描电镜和表面张力仪分析脱脂处理对马尾松单板表面特性因子的影响。结果表明：稀碱脱脂处理以后，马尾松单板的自由基峰强度降低，但是马尾松单板脱脂前后自由基浓度分别为17.649 4和17.672 8，几乎没有变化；脱脂前后马尾松单板表面形貌的变化发现，稀碱脱脂处理大大降低了木材的脂含量，但是会增大木材表面粗糙度；脱脂处理以后，马尾松单板表面接触角变小，表面自由能增加了8.63%。图5表2参11
- 木材学 /
- 碱性 /
- 脱脂处理 /
- 马尾松单板 /
- 表面特性
Abstract: Wood surface characteristics are very complicated，which is very important for wood bonding. Therefore，after Pinus massoniana veneer alkali degreased，related research of surface characteristics were studied. The influence of NaOH alkaline degreasing treatment on Pinus massoniana veneer was studied. Surface characteristics，such as surface free radical concentration，surface shape，and surface free energy，all with and without the degreasing process，were analyzed. The surface characteristics factors，such as surface free radical concentration，surface shape，and surface free energy，before and after degreasing process，were investigated by Electron Spin Resonance Spectroscopy （ESR），Scanning Electron Microscope （SEM），and Scanning Tunneling Microscopy （STM），respectively. The results showed that the free radicals peak strength of Pinus massoniana veneer decreased after dilute alkali degreasing，but the concentration of free radicals had no change （17.649 4 and 17.672 8）. SEM of the surface shape revealed that the alkali degreasing treatment greatly in the wood，but it also reduced smoothness of the wood surface. In addition，the surface contact angle decreased，and the surface free energy increased slightly （about 8.7%）. Based on the results，alkaline degreasing treatment on Pinus massoniana veneer impoved the wood bonding inefficiently［Ch，5 fig. 2 tab. 11 ref.］
- woody science /
- alkaline /
- degreasing process /
- Pinus massoniana veneer /
- surface characteristics

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碱性脱脂处理对马尾松单板表面特性的影响

doi: 10.11833/j.issn.2095-0756.2012.05.022

卫佩行,
周定国^,

1. 南京林业大学木材工业学院，江苏南京210037

通信作者: 周定国

收稿日期: 2011-11-15
修回日期: 2011-12-27
刊出日期: 2012-10-20

关键词:

摘要: 对马尾松Pinus massoniana单板进行氢氧化钠碱液脱脂处理，借助电子自旋振动波谱仪、扫描电镜和表面张力仪分析脱脂处理对马尾松单板表面特性因子的影响。结果表明：稀碱脱脂处理以后，马尾松单板的自由基峰强度降低，但是马尾松单板脱脂前后自由基浓度分别为17.649 4和17.672 8，几乎没有变化；脱脂前后马尾松单板表面形貌的变化发现，稀碱脱脂处理大大降低了木材的脂含量，但是会增大木材表面粗糙度；脱脂处理以后，马尾松单板表面接触角变小，表面自由能增加了8.63%。图5表2参11

English Abstract

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

WEI Pei-xing,
ZHOU Ding-guo^,

1. College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

Corresponding author: ZHOU Ding-guo

Received Date: 2011-11-15
Rev Recd Date: 2011-12-27
Publish Date: 2012-10-20

Keywords:

Abstract: Wood surface characteristics are very complicated，which is very important for wood bonding. Therefore，after Pinus massoniana veneer alkali degreased，related research of surface characteristics were studied. The influence of NaOH alkaline degreasing treatment on Pinus massoniana veneer was studied. Surface characteristics，such as surface free radical concentration，surface shape，and surface free energy，all with and without the degreasing process，were analyzed. The surface characteristics factors，such as surface free radical concentration，surface shape，and surface free energy，before and after degreasing process，were investigated by Electron Spin Resonance Spectroscopy （ESR），Scanning Electron Microscope （SEM），and Scanning Tunneling Microscopy （STM），respectively. The results showed that the free radicals peak strength of Pinus massoniana veneer decreased after dilute alkali degreasing，but the concentration of free radicals had no change （17.649 4 and 17.672 8）. SEM of the surface shape revealed that the alkali degreasing treatment greatly in the wood，but it also reduced smoothness of the wood surface. In addition，the surface contact angle decreased，and the surface free energy increased slightly （about 8.7%）. Based on the results，alkaline degreasing treatment on Pinus massoniana veneer impoved the wood bonding inefficiently［Ch，5 fig. 2 tab. 11 ref.］

卫佩行, 周定国. 碱性脱脂处理对马尾松单板表面特性的影响[J]. 浙江农林大学学报, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

引用本文:

卫佩行, 周定国. 碱性脱脂处理对马尾松单板表面特性的影响[J]. 浙江农林大学学报, 2012, 29(5): 778-782. doi: 10.11833/j.issn.2095-0756.2012.05.022

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碱性脱脂处理对马尾松单板表面特性的影响

doi: 10.11833/j.issn.2095-0756.2012.05.022

通信作者: 周定国

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

Corresponding author: ZHOU Ding-guo

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碱性脱脂处理对马尾松单板表面特性的影响

doi: 10.11833/j.issn.2095-0756.2012.05.022

1. 南京林业大学 木材工业学院，江苏 南京210037

通信作者: 周定国

English Abstract

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

1. College of Wood Science and Technology，Nanjing Forestry University，Nanjing 210037，Jiangsu，China

Corresponding author: ZHOU Ding-guo

全文HTML

目录

1. 南京林业大学木材工业学院，江苏南京210037