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Expanding the spalting palette: developing yellow, purple, and green pigments from Scytalidium ganodermophthorum 扩大spatting调色板：开发来自甘露德蓝的黄色、紫色和绿色颜料
IF 1.1
International Wood Products Journal Pub Date : 2020-07-03 DOI: 10.1080/20426445.2020.1780543
P. V. Gutierrez, Badria Almushardi, Megan Huber, Claudia C. Andersen, R. V. Van Court, S. Robinson
{"title":"Expanding the spalting palette: developing yellow, purple, and green pigments from Scytalidium ganodermophthorum","authors":"P. V. Gutierrez, Badria Almushardi, Megan Huber, Claudia C. Andersen, R. V. Van Court, S. Robinson","doi":"10.1080/20426445.2020.1780543","DOIUrl":"https://doi.org/10.1080/20426445.2020.1780543","url":null,"abstract":"ABSTRACT The use of wood coloured by fungi, or ‘spalted’ wood, stretches back to the Renaissance. Most of this work was restricted to shades of blue-green, brown, white, and black zone lines. Modern spalting has added in shades of red and blue. The current colour palette of spalting fungi has the potential to be expanded through the use of Scytalidium ganodermophthorum, a fungal pathogen and suspected soft rot of wood, which produces multiple colours of pigment throughout its growth, including yellow and purple. However, no previous study has tracked colours of the extracted fungal pigment across time. This study showed significant colour change of extracted fungal pigments across 36 weeks of growth, transitioning over time from bright yellow to green shades, before finally becoming slate purple. This diversity of hues increases the colours available to artists working with spalting pigments, and has the potential to expand the art form.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-07-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1780543","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42250773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
In this issue 本期
IF 1.1
International Wood Products Journal Pub Date : 2020-07-02 DOI: 10.1080/20426445.2020.1782020
T. Ozyhar, K. Olaoye, S. Bhatta, S. Raj, Sanjeet Kumar Hom, Sauradipta Ganguly
{"title":"In this issue","authors":"T. Ozyhar, K. Olaoye, S. Bhatta, S. Raj, Sanjeet Kumar Hom, Sauradipta Ganguly","doi":"10.1080/20426445.2020.1782020","DOIUrl":"https://doi.org/10.1080/20426445.2020.1782020","url":null,"abstract":"Siberian larch produces high strength timber. Bayasaa Tumenjargal and her team at the Utsonomiya University, Japan, investigated the MoE and MoR of standing trees by using stress wave velocity and dynamic Youngs modulus. Results suggest that the technique could be used for selecting superior trees for lumber and breeding. Estimation of Modulus of Elasticity of Boscia angustifolia wood using Longitudinal Vibration Acoustic Method","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-07-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1782020","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43152509","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Improvement in fire retardancy with double-step chemical modification on Pinus radiata D. Don using dimethyl methylphosphonate with propylene oxide and maleic anhydride 甲基膦酸二甲酯与环氧丙烷和马来酸酐双步化学改性提高辐射松阻燃性
IF 1.1
International Wood Products Journal Pub Date : 2020-06-30 DOI: 10.1080/20426445.2020.1765624
Sanjeet Kumar Hom, Sauradipta Ganguly, Ajmal Samani, S. Tripathi
{"title":"Improvement in fire retardancy with double-step chemical modification on Pinus radiata D. Don using dimethyl methylphosphonate with propylene oxide and maleic anhydride","authors":"Sanjeet Kumar Hom, Sauradipta Ganguly, Ajmal Samani, S. Tripathi","doi":"10.1080/20426445.2020.1765624","DOIUrl":"https://doi.org/10.1080/20426445.2020.1765624","url":null,"abstract":"ABSTRACT Wood is prone to fire attack making its application restricted as building material. The current study aims to evaluate the effect of double step chemical modification on Pinus radiata using Dimethyl Methyl phosphonate with Propylene oxide and Maleic anhydride. Wood samples were modified by single step using Propylene oxide (PO) or Maleic anhydride (MA) and the double-step modification comprised firstly of pressure treatment with Dimethyl Methyl phosphonate (DMMP) followed by chemical modification using Propylene oxide (PD) or Maleic anhydride (MD). Thermal property was studied using Thermo Gravimetric Analysis (TGA) and Derivative Thermogravimetric (DTG). The chemical modification resulted in better thermal stability of wood than control wood. Among treatments PD showed best fire retardancy property with maximum weight loss at 367°C with 18.2% residual mass. The preliminary study indicates that double step modification improved the thermal property increasing the temperature for maximum weight loss and residual mass comprising of char.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1765624","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45930973","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Characterization of activated carbon, wood sawdust and their application for boron adsorption from water 活性炭、木屑的表征及其在水中硼吸附中的应用
IF 1.1
International Wood Products Journal Pub Date : 2020-06-29 DOI: 10.1080/20426445.2020.1785605
Mouna Jaouadi
{"title":"Characterization of activated carbon, wood sawdust and their application for boron adsorption from water","authors":"Mouna Jaouadi","doi":"10.1080/20426445.2020.1785605","DOIUrl":"https://doi.org/10.1080/20426445.2020.1785605","url":null,"abstract":"ABSTRACT Pinewood sawdust is a good precursor for activated carbon production. Activated carbon was prepared from sawdust by chemical activation using H3PO4 at 300°C. The properties of sawdust and activated carbon were characterized by X-ray diffraction, Infrared Attenuated Total Reflectance and Raman spectroscopies, elemental analysis, ‘Boehm’ titration, measurements of pHPZC, nitrogen adsorption isotherms, scanning electron microscopy and differential scanning calorimetry. Sawdust and activated carbon were investigated as bio-adsorbents for boron removal from freshwater. Sawdust showed the highest boron adsorption uptake (1.58 mg g−1) compared to activated carbon (0.97 mg g−1). This higher capacity was caused by the presence of hydroxylic, carboxylic, and polyphenolic groups. FTIR analysis before and after adsorption of boron suggested that the mechanism involved in the boron removal might be complexation. Langmuir model has the best fitness quality with experimental data, as it gave the maximum R 2 value (0.99).","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1785605","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48677917","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Are imports of illegal timber in China, India, Japan and South Korea considerable? based on a historic trade balance analysis method 中国、印度、日本和韩国的非法木材进口量是否可观？基于历史贸易平衡分析方法
IF 1.1
International Wood Products Journal Pub Date : 2020-06-29 DOI: 10.1080/20426445.2020.1785604
Z. Guan, Xiaoyu Chen, Yan Xu, Yaofei Liu
{"title":"Are imports of illegal timber in China, India, Japan and South Korea considerable? based on a historic trade balance analysis method","authors":"Z. Guan, Xiaoyu Chen, Yan Xu, Yaofei Liu","doi":"10.1080/20426445.2020.1785604","DOIUrl":"https://doi.org/10.1080/20426445.2020.1785604","url":null,"abstract":"ABSTRACT Illegal logging has caused serious damage to the global forest environment. China, Japan, India and South Korea have been criticized for their imports of illegal timber. Based on a trade balance analysis method, this paper evaluates the imports of illegal timber of China, Japan, India and South Korea. The results show that China has serious illegal timber imports with the Republic of Congo, Ghana, Papua New Guinea, Laos, Brazil and Malaysia. India has serious illegal timber imports with Brazil and Papua New Guinea. Japan has serious illegal timber imports with the Republic of the Congo, Cameroon, Malaysia and Papua New Guinea. South Korea has serious illegal timber imports with Malaysia. In order to control the imports of illegal timber, there is a need to further strengthen international cooperation and domestic legislation, enhance the protection and cultivation of forest resources and reduce dependence on imported timber.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1785604","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43533810","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Study of variation in natural frequencies of bio-composites due to structural damage 生物复合材料结构损伤引起固有频率变化的研究
IF 1.1
International Wood Products Journal Pub Date : 2020-06-23 DOI: 10.1080/20426445.2020.1780383
A. J. Shah, T. Pandya, Jason Street
{"title":"Study of variation in natural frequencies of bio-composites due to structural damage","authors":"A. J. Shah, T. Pandya, Jason Street","doi":"10.1080/20426445.2020.1780383","DOIUrl":"https://doi.org/10.1080/20426445.2020.1780383","url":null,"abstract":"ABSTRACT The purpose here is to study the variation in the natural frequency of a material due to damage. Also, compare the shift in Natural Frequency that of a SYP-SP (Sweet Potato) bio-composite to a commercial SYP composite. Additionally, the motivation behind the study is to eventually provide biodegradable materials, as petroleum-based products being a finite resource and having more potential to harm the environment. The researcher obtained the Natural Frequencies by Experimental modal analysis using a cantilever beam vibration technique. The shift for the first three natural frequencies for damage induced SYP-SP composite was 10%, 8.6%, and 9.5% and for SYP-Commercial composite was 7.95%, 0.7%, and 0.9% respectively. The undamaged specimens of SYP-SP bio-composite and that of a commercial SYP composite showed behaviour almost on similar lines. Thus, stating the potential use of SYP-SP bio-composite for commercial applications like wood flooring, fencing, and other related applications.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1780383","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47283957","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Wood-polymer composites produced by in situ polymerization of styrene into juvenile and mature pine woods 苯乙烯在幼龄和成熟松木中原位聚合制备木材-聚合物复合材料
IF 1.1
International Wood Products Journal Pub Date : 2020-06-08 DOI: 10.1080/20426445.2020.1776486
A. Acosta, Ezequiel Gallio, H. Schulz, P. Zanatta, K. T. Barbosa, Rafael de Avila Delucis, D. Gatto
{"title":"Wood-polymer composites produced by in situ polymerization of styrene into juvenile and mature pine woods","authors":"A. Acosta, Ezequiel Gallio, H. Schulz, P. Zanatta, K. T. Barbosa, Rafael de Avila Delucis, D. Gatto","doi":"10.1080/20426445.2020.1776486","DOIUrl":"https://doi.org/10.1080/20426445.2020.1776486","url":null,"abstract":"ABSTRACT A wood-based polymer composite was manufactured and characterized using in situ polymerization of styrene into juvenile and mature pine wood. Treatment parameters and properties were evaluated by using infrared spectroscopy, thermogravimetry and mechanical testing. Specimens treated by in-situ polymerization of styrene showed increased thermal stability as well as improved mechanical properties.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1776486","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46083603","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
A preliminary investigation into the suitability of Kawui wood (Vernonia arborea) for pulp and paper 卡威木(Vernonia arborea)制浆造纸适宜性的初步研究
IF 1.1
International Wood Products Journal Pub Date : 2020-06-08 DOI: 10.1080/20426445.2020.1775758
Lies Indrayanti, G. Siska, I. Wardhani
{"title":"A preliminary investigation into the suitability of Kawui wood (Vernonia arborea) for pulp and paper","authors":"Lies Indrayanti, G. Siska, I. Wardhani","doi":"10.1080/20426445.2020.1775758","DOIUrl":"https://doi.org/10.1080/20426445.2020.1775758","url":null,"abstract":"ABSTRACT The anatomical and chemical properties of a lesser known species, Kawui wood, were investigated Two trees were examined based on IAWA, ASTM and SNI. A completely randomised design was used with radial direction of the trunk (sapwood and heartwood) as the factor, in three replications. It indicated the highest to lowest cell proportions are fibres, rays, vessels and parenchyma. The highest proportion of rays was in the sapwood, while the fibre was in the heartwood. However, the average fibre length in the sapwood was higher than the heartwood, while the lumen diameter showed the reverse. Holocellulose, α-cellulose, lignin, extractives, and ash content of the sapwood was higher than the heartwood. Based on its anatomical and chemical properties, Kawui wood can be included in grade II–IV, which is suitable for medium quality pulp and paper production.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1775758","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43774482","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of distance above-ground on fungal colonization of blackgum and red oak ties during air-seasoning 空气风干过程中离地距离对黑胶和红橡木霉菌定殖的影响
IF 1.1
International Wood Products Journal Pub Date : 2020-06-03 DOI: 10.1080/20426445.2020.1774851
Leon Rogers, Jed Cappellazzi, J. Morrell
{"title":"Effect of distance above-ground on fungal colonization of blackgum and red oak ties during air-seasoning","authors":"Leon Rogers, Jed Cappellazzi, J. Morrell","doi":"10.1080/20426445.2020.1774851","DOIUrl":"https://doi.org/10.1080/20426445.2020.1774851","url":null,"abstract":"ABSTRACT The effects of distance above ground on fungal colonization during air-seasoning were evaluated over time on blackgum (Nyssa spp.) and red oak (Quercus spp. Section Lobatae) ties 150, 200, and 300 mm from the ground by culturing increment cores removed from three locations on each of 200 ties over the seasoning period. Fungi were present in many ties at the start of seasoning. Fungal isolations steadily increased with time, but there were no significant differences in frequency for ties seasoned at different sill heights for either timber species. The results indicate that lowering the sill height had no noticeable effect on the rates of fungal colonization of the timber species tested.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-06-03","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1774851","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46648652","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Investigating the tactile warmth of untreated and modified wood surfaces by measuring cold sensitivity in paired-comparison experiments 在成对对比实验中，通过测量冷敏感性来研究未经处理和改性木材表面的触觉温暖
IF 1.1
International Wood Products Journal Pub Date : 2020-04-09 DOI: 10.1080/20426445.2020.1746889
S. Bhatta, K. Vahtikari, M. Hughes, M. Kyttä
{"title":"Investigating the tactile warmth of untreated and modified wood surfaces by measuring cold sensitivity in paired-comparison experiments","authors":"S. Bhatta, K. Vahtikari, M. Hughes, M. Kyttä","doi":"10.1080/20426445.2020.1746889","DOIUrl":"https://doi.org/10.1080/20426445.2020.1746889","url":null,"abstract":"ABSTRACT The tactile warmth quality of various untreated and modified wood surfaces was compared at a room temperature of 22°C using the Thurstone’s psychophysical method of paired comparison. The test surfaces included 12 varieties of untreated and modified wooden surfaces. A total of 17 participants took part in the experiments, in which they compared 33 specimen pairs arising from various surface combinations. The results demonstrated the considerable differences in tactile warmth quality among wood surfaces. Surface coatings, such as oil and varnish, and thermal modification induced a change in the tactile warmth of wood. In pine and birch, a decrease in the tactile warmth of the surface was readily perceived after surface densification. The results provide some insights into how materials could be selected, based on their warmth quality, to improve the thermal comfort of living spaces and suggesting that this could be achieved by the extensive use of wood.","PeriodicalId":14414,"journal":{"name":"International Wood Products Journal","volume":null,"pages":null},"PeriodicalIF":1.1,"publicationDate":"2020-04-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1080/20426445.2020.1746889","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41747110","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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