Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard

WANG Xinzhou; DENG Yuhe; LIAO Chengbin; CHEN Chen; WANG Ningsheng; WU Jing; HOU Tianyu

doi:10.11833/j.issn.2095-0756.2013.02.014

Volume 30 Issue 2

Mar. 2013

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WANG Xinzhou, DENG Yuhe, LIAO Chengbin, CHEN Chen, WANG Ningsheng, WU Jing, HOU Tianyu. Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard[J]. Journal of Zhejiang A&F University, 2013, 30(2): 245-250. doi: 10.11833/j.issn.2095-0756.2013.02.014

Citation:

WANG Xinzhou, DENG Yuhe, LIAO Chengbin, CHEN Chen, WANG Ningsheng, WU Jing, HOU Tianyu. Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard[J]. Journal of Zhejiang A&F University, 2013, 30(2): 245-250. doi: 10.11833/j.issn.2095-0756.2013.02.014

Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard

doi: 10.11833/j.issn.2095-0756.2013.02.014

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

More Information

Corresponding author: DENG Yuhe
Received Date: 2012-03-26
Rev Recd Date: 2012-06-21
Publish Date: 2013-04-20

Abstract

Reed is a natural biological material and has great potential as reinforced material in wood-based composites. To resolve the problem of low bond strength with reed particleboard，the reed （Phragmites australis） stem epidermis was analyzed with a scanning electron microscope （SEM） and infrared spectrometer. Microstructure and chemical composition were determined，and then the silicon mass fraction and the surface contact angle of the reed stem were tested. Finally，the effect of waterproofing agent on the physical and mechanical properties of reed particleboard was studied. Results showed that the reed stem epidermis contained a wax layer and silicon with the mass fraction of the silicon reaching 20.9 gkg－1. The physical and mechanical properties met the demands of National Standards （GB/T 4897.3－2003） without adding waterproofing agent. When waterproofing agent was added，the physical and mechanical properties，especially internal bond strength，decreased greatly. Thus，silicon from the reed stem epidermis produced by reed particles dispersed in plate slap after mechanical shattering could be used as water repellent meaning it was possible to manufacture qualified particleboard using urea-formaldehyde resin adhesive without adding waterproofing agent.［Ch，5 fig. 3 tab. 11 ref.］
- wood science,
- reed stem,
- characteristics,
- particleboard,
- waterproofing agent

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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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Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard

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

Corresponding author: DENG Yuhe

Received Date: 2012-03-26

Rev Recd Date: 2012-06-21

Publish Date: 2013-04-20

Key words:

Abstract: Reed is a natural biological material and has great potential as reinforced material in wood-based composites. To resolve the problem of low bond strength with reed particleboard，the reed （Phragmites australis） stem epidermis was analyzed with a scanning electron microscope （SEM） and infrared spectrometer. Microstructure and chemical composition were determined，and then the silicon mass fraction and the surface contact angle of the reed stem were tested. Finally，the effect of waterproofing agent on the physical and mechanical properties of reed particleboard was studied. Results showed that the reed stem epidermis contained a wax layer and silicon with the mass fraction of the silicon reaching 20.9 gkg－1. The physical and mechanical properties met the demands of National Standards （GB/T 4897.3－2003） without adding waterproofing agent. When waterproofing agent was added，the physical and mechanical properties，especially internal bond strength，decreased greatly. Thus，silicon from the reed stem epidermis produced by reed particles dispersed in plate slap after mechanical shattering could be used as water repellent meaning it was possible to manufacture qualified particleboard using urea-formaldehyde resin adhesive without adding waterproofing agent.［Ch，5 fig. 3 tab. 11 ref.］

Characteristics of reed stem epidermis and effects of waterproofing agent on reed particleboard

doi: 10.11833/j.issn.2095-0756.2013.02.014

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

Proportional views