Surface characteristics of an alkaline degreasing treatment on <em>Pinus massoniana</em> veneer

WEI Pei-xing; ZHOU Ding-guo

doi:10.11833/j.issn.2095-0756.2012.05.022

Volume 29 Issue 5

Sep. 2012

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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

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

doi: 10.11833/j.issn.2095-0756.2012.05.022

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

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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通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

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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

Received Date: 2011-11-15

Rev Recd Date: 2011-12-27

Publish Date: 2012-10-20

Key words:

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.］

Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

doi: 10.11833/j.issn.2095-0756.2012.05.022

Abstract

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通讯作者: 陈斌, bchen63@163.com

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Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

doi: 10.11833/j.issn.2095-0756.2012.05.022

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

Corresponding author: ZHOU Ding-guo

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Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

doi: 10.11833/j.issn.2095-0756.2012.05.022

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通讯作者: 陈斌, bchen63@163.com

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Surface characteristics of an alkaline degreasing treatment on Pinus massoniana veneer

doi: 10.11833/j.issn.2095-0756.2012.05.022

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

Corresponding author: ZHOU Ding-guo

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