Treated wood physical properties after reagent-impregnation with heat-treatment technology

CHEN Lifang; MA Hongxia; ZHANG Yanjun; WANG Jianjing; CAO Yongjian

doi:10.11833/j.issn.2095-0756.2013.06.023

Volume 30 Issue 6

Nov. 2013

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CHEN Lifang, MA Hongxia, ZHANG Yanjun, WANG Jianjing, CAO Yongjian. Treated wood physical properties after reagent-impregnation with heat-treatment technology[J]. Journal of Zhejiang A&F University, 2013, 30(6): 955-959. doi: 10.11833/j.issn.2095-0756.2013.06.023

Citation:

CHEN Lifang, MA Hongxia, ZHANG Yanjun, WANG Jianjing, CAO Yongjian. Treated wood physical properties after reagent-impregnation with heat-treatment technology[J]. Journal of Zhejiang A&F University, 2013, 30(6): 955-959. doi: 10.11833/j.issn.2095-0756.2013.06.023

Treated wood physical properties after reagent-impregnation with heat-treatment technology

doi: 10.11833/j.issn.2095-0756.2013.06.023

1.
Guangdong Academy of Forestry，Guangzhou 510520，Guangdong, China

More Information

Corresponding author: CHEN Lifang
Received Date: 2012-10-03
Rev Recd Date: 2013-05-20
Publish Date: 2013-12-20

Abstract

Three reagents （the main component of zinc chloride，ammonium dihydrogen phosphate，and a copper salt compound） were impregnated into Pinus massoniana wood and Eucalyptus wood which were heat-treated at 160 ℃，175 ℃，and 190 ℃. By testing mechanical properties and dimensional stability of untreated and treated woods，the effects of reagent type and target temperatures on wood properties were determined. Results showed that the heat treatment process improved dimensional stability of treated wood. For the same temperature the three reagents improved variation in the wood anti-shrink efficiency （ASE） by 10%-45% and then slightly reduced the mechanical properties；the modulus of rupture （MOR） decreased，but there was little effect on modulus of elasticity（MOE）. Among the three reagents，zinc chloride had the strongest effect on dimensional stability and the greatest impact on the MOR and MOE values. With an increase in temperature, mechanical properties decreased and dimensional stability （ASE value） increased gradually. ［Ch，2 fig. 1 tab. 12 ref.
- wood science,
- reagent-impregnation,
- heat-treatment,
- dimensional stability,
- mechanical properties

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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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Treated wood physical properties after reagent-impregnation with heat-treatment technology

1. Guangdong Academy of Forestry，Guangzhou 510520，Guangdong, China

Corresponding author: CHEN Lifang

Received Date: 2012-10-03

Rev Recd Date: 2013-05-20

Publish Date: 2013-12-20

Key words:

Abstract: Three reagents （the main component of zinc chloride，ammonium dihydrogen phosphate，and a copper salt compound） were impregnated into Pinus massoniana wood and Eucalyptus wood which were heat-treated at 160 ℃，175 ℃，and 190 ℃. By testing mechanical properties and dimensional stability of untreated and treated woods，the effects of reagent type and target temperatures on wood properties were determined. Results showed that the heat treatment process improved dimensional stability of treated wood. For the same temperature the three reagents improved variation in the wood anti-shrink efficiency （ASE） by 10%-45% and then slightly reduced the mechanical properties；the modulus of rupture （MOR） decreased，but there was little effect on modulus of elasticity（MOE）. Among the three reagents，zinc chloride had the strongest effect on dimensional stability and the greatest impact on the MOR and MOE values. With an increase in temperature, mechanical properties decreased and dimensional stability （ASE value） increased gradually. ［Ch，2 fig. 1 tab. 12 ref.

Treated wood physical properties after reagent-impregnation with heat-treatment technology

doi: 10.11833/j.issn.2095-0756.2013.06.023

Abstract

References

Proportional views

通讯作者: 陈斌, bchen63@163.com

Related

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