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A Comparison on Penetration of Silica Sol in Scots pine and Southern pine wood
2016 - IRG/WP 16-40722
Penetration is one of the most important issues to be considered in wood impregnation with various kinds of chemicals in liquid form. Scots pine (Pinus sylvestris) and Southern pine (Pinus spp.) are two frequently used wood species for treatment, such as preservative treatment. With the development of treating systems, some micro- or nano-sized aqueous modifiers are emerging in the market, which p...
Mingyang Sun, Jinzhen Cao


Thermal decomposition behavior of CCA-treated wood for safe disposal and the safe recovery of heavy metals through pyrolysis
2006 - IRG/WP 06-50238
If we could estimate the chemical changes in heavy metals by temperature in chromated copper arsenate (CCA)-treated wood during pyrolysis, it is expected that we could solve the environmental problems of heavy metals, which may occur during pyrolysis, and therefore, the thermal decomposition behavior of effective elements of CCA-treated wood was examined to find a safe disposal method. First, CCA-...
Dong Won Son, Dong-heub Lee, Sun-hae Cheon, Myung Jae Lee


Effect of juglone from Juglans mandshurica bark activity of wood decay fungi
2009 - IRG/WP 09-30502
Juglone was extracted from Juglans mandshurica bark via vacuum-assisted steam stripping. The extract was characterized by Fourier Transform Infrared Spectroscopy (FTIR), 1H Nuclear Magnetic Resonance (NMR) and Gas chromatography/mass spectrometry (GC-MS). The extraction process was easy to perform and produced excellent yields (0.22 g juglone/100 g of bark) of a high purity extract (96.42% juglone...
Dongmei Yang, Shuangyue Li, Shujun Li, Wenqiang Su, Yan Jin, Molong Sun


Laboratory test of some formulations against stain and mould fungi isolated from bamboo wood
2009 - IRG/WP 09-30508
To screen the effective anti-mould formulations, fungicides such as carbendazim, tebuconazole, fludioxonil, difenoconazole, prochloraz, benomyl and 8-hydroxy-quinoline copper (copper oxine) were selected to conduct the laboratory test of fungicidal activity by method of inhibition zone against Botryodiplodia theobromae Pat., Fusarium sp., Alternaria tenuis Nees., Penicillium purpurogenum Stoll, Tr...
Xingxia Ma, Airui Sun, Mingliang Jiang, Daochun Qin


Mold-resistance Effect of Bamboo Wood Treated with CCC-organic Complexes
2009 - IRG/WP 09-30514
Mold resistant effect of CCA, ACQ, CuAz, CCC and the compound of CCC and propiconazole were researched on bamboo wood of Phyllostachys pubescens were reported in this paper. Results showed that all of the test fungicides could protect bamboo wood better from Penicillam citrinum than from Trichoderma viride and Aspergillus niger. The complex of CCC and propiconazole had the best resisting effect on...
Sun Fangli, Yang Le, Chen Anliang, Bao Binfu, Li Qiao


Study on the thickness swelling of mould-resistant chemical treated bamboo strand woven outdoor flooring
2010 - IRG/WP 10-40489
To prevent bamboo strand woven flooring from mould, several preservatives were chosen to treat bamboo strand before dipping into adhesives and pressing. The thickness swelling and mould resistant effect of the finished board were studied. Results showed that different preservatives had different influences on the thickness swelling of BSWF, and in order to reduce the thickness swelling of the fini...
Fangli Sun, Binfu Bao, Shenyuan Fu, Anliang Chen


Mould resistance of bamboo timber treated with tebuconazole-loaded micells
2012 - IRG/WP 12-30586
In this paper both anti-mould test through inhibition zone and mould resistance test on bamboo samples were carried out evaluate mould resistant effect of tebuconazole (TBA) loaded micells. Results showed that TBA loaded micells prepared with a ratio of TBA to PEG113-b-PCL28 50:25 had the best mould resistance, followed by micells prepared with a ratio of TBA to PEG113-b-PCL28 50:50. PEG113-b-PCL2...
Sun Fangli, Chen Anliang, Bao Binfu, Zhou Yueying, Zhang Shaoyong, Zhang Xu


Influence of selected additives on organic fungicides for control of bamboo mold fungi
2013 - IRG/WP 13-30626
In order to assess the long-term efficacy of supplemented organic fungicides in outdoor applications, additives - including the antioxidant butylated hydroxytoluene (BHT) and a UV absorber and free radical scavenger benzotriazole (BTA), were selected to mix with the fungicides propiconazole or tebuconazole. Freshly cut samples from four-year old bamboo stems were treated with combinations of the c...
Sun Fangli, B Goodell, Chen Anliang, Bao Binfu, Zhang Shaoyong


Modern Instrumental Methods to Investigate the Mechanism of Biological Decay in Wood Plastic Composites
2014 - IRG/WP 14-40674
Various instrumental techniques were used to study the fungal decay process in wood plastic composite (WPC) boards. Commercial boards exposed near Hilo, Hawaii (HI) for eight years in both sun and shadow locations were inspected and tested periodically. After eight years of exposure, both boards were evaluated using magnetic resonance imaging (MRI), while a selected area of the board exposed in sh...
G Sun, R Ibach, M Gnatowski, J Glaeser, M Leung, J Haight


Protection of bamboo against fungi by Laccase-Catalyzed Iodination
2016 - IRG/WP 16-30694
This paper investigated the effectiveness of bamboo treated by laccase-catalyzed oxidation of potassium iodide. Hence, the indoor and outdoor mold fungi resistances were carried out according to the AWPA (2007) Standard E24–06. According to the results, after 35days good resistances against the fungi were in the order of Trichoderma viride > Penicillium citrinum >Aspergillus niger. It was also o...
K P Nayebare, Shaoyong Zhang, Fangli Sun, B Goodell