WOOD RESEARCH 68(4) 2023最新文献

ANALYSIS OF FINGER-JOINTS IN GLASS FIBER-REINFORCED POLYMER (GFRP) COMPOSITE GLUED LAMINATED TIMBER BEAMS 玻璃纤维增强聚合物(gfrp)复合胶合层压木梁指缝分析

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.666679

Pedro Gutemberg de Alcântara Segundinho, Antonio ALVES DIAS

引用次数: 0

COLOR IMPROVEMENT OF PRETREATED GMELINA WOOD BY IMPREGNATION OF NATURAL DYES 用天然染料浸渍预处理银柳木的显色性

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.627637

A. Yunianti, Kidung Tirtayasa Putra Pangestu, S. Suhasman, S. Saad, Citra Oktapiani, R. Damayanti, Heriyanto

{"title":"COLOR IMPROVEMENT OF PRETREATED GMELINA WOOD BY IMPREGNATION OF NATURAL DYES","authors":"A. Yunianti, Kidung Tirtayasa Putra Pangestu, S. Suhasman, S. Saad, Citra Oktapiani, R. Damayanti, Heriyanto","doi":"10.37763/wr.1336-4561/68.4.627637","DOIUrl":"https://doi.org/10.37763/wr.1336-4561/68.4.627637","url":null,"abstract":"The purpose of this research was to improve the appearance of pretreated gmelina wood (Gmelina arborea) by coloring with a natural dye. The dyes used in this research were obtained from sappan (Caesalpinia sappan) and tegeran (Cudrania javanensis) wood waste with a size of 20-40 mesh. The anatomical characteristic that determined the permeability of the gmelina wood was investigated referring to International Anatomist Wood Association (IAWA), while the characteristic of the dye was analyzed using X-ray diffraction (XRD). The wood was colored by immersing in dye mixture (ratio dye and water of 1:5 wt/wt) at room temperature during 72h. The results showed that the lumen diameter of vessel, fiber, and pit of gmelina observed were 159 μm, 23 μm, and 6 μm, respectively. The XRD analysis showed that thestructure of sappan was more amorphous than tegeran, whichled to penetrate deeper into the wood. Thepretreated wood provided more dyes penetration compared to the untreated wood due to the removal extractives from the wood. The pretreatment on gmelina wood would facilitate the natural dye to be impregnated intothe wood cell resulting in more attractive color of the wood.","PeriodicalId":245216,"journal":{"name":"WOOD RESEARCH 68(4) 2023","volume":"23 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123586204","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

STUDY ON PREPARATION AND PROPERTIES OF ANTI-ULTRAVIOLET AGING WOOD-PLASTIC COMPOSITES 抗紫外线老化木塑复合材料的制备及性能研究

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.680691

Zhitao Lei, JIE LIU, Zhiyuan Zhang, Xuesong Zhao, QI Li

引用次数: 0

STEPWISE EXTRACTION OF HEMICELLULOSES WITH WATER AND ALKALI FROM LARCH WOOD AND THEIR SUGAR COMPOSITIONS 用水和碱逐步提取落叶松木材中的半纤维素及其糖成分

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.638649

Xiaoyan Zhang, Lanxing Du, Sijin Li

引用次数: 0

EFFECTS OF DIFFERENT CLIMATE TYPES ON COLOR CHANGE OF WOOD MATERIAL USED OUTDOOR 不同气候类型对室外木质材料颜色变化的影响

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.650665

C. Kılıç, S. Yıldız, Ayşenur Gürgen, Derya Ustaömer

{"title":"EFFECTS OF DIFFERENT CLIMATE TYPES ON COLOR CHANGE OF WOOD MATERIAL USED OUTDOOR","authors":"C. Kılıç, S. Yıldız, Ayşenur Gürgen, Derya Ustaömer","doi":"10.37763/wr.1336-4561/68.4.650665","DOIUrl":"https://doi.org/10.37763/wr.1336-4561/68.4.650665","url":null,"abstract":"Field tests are important for evaluating how wood performs in real-world conditions and making informed choices for material selection. These tests help assess wood's durability, strength, decay processes, and resistance against harmful organisms. Furthermore, it helps users make more informed decisions about the color of wood and understand the importance of color changes depending on the place and time of use. Because weather conditions are asignificant factor that influences the color of wood. Wood that is exposed to prolonged sunlight, moisture, and rain may experience fading, darkening, or staining in its color. In this study, heartwood, sapwood, and CCB impregnated sapwood samples of Scotchpine, spruce, beech and alder were exposed to the soil contact (hazard class 4) according to EN252 for 3years in Trabzon, Muğla, Çanakkale, and Elazığ provinces of Turkey with completely different climatic conditions from each other. Color parameters and color change values were evaluatedusing L*, a*, b*and ∆E* of the samples collected from test sites. The most significant color change was observed at Scotchpine in Çanakkale province. Greater color changes were observed in theheartwood of coniferous species.Impregnated samples showed the least color change.","PeriodicalId":245216,"journal":{"name":"WOOD RESEARCH 68(4) 2023","volume":"57 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126957498","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}

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STAIN FUNGI CONTROL IN PINUS SP. WOOD WITH SILICA MESOPOROUS PARTICLES LOADED WITH ESSENTIAL OILS 载有精油的二氧化硅介孔颗粒对松木染色真菌的防治

WOOD RESEARCH 68(4) 2023 Pub Date : 1900-01-01 DOI: 10.37763/wr.1336-4561/68.4.692703

Tania MÉNDEZ-PÉREZ, M. C. CHÁVEZ-PARGA, Jared MAYA-ALAVEZ, C. Velázquez-Becerra, Jaime ESPINO-VALENCIA, J. Apolinar-Cortés, Mauro M. MARTÍNEZ-PACHECO

引用次数: 0