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Journal articles on the topic 'Grafted wool'

Author: Grafiati

Published: 6 September 2023

Last updated: 19 July 2025

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1

McCloghry, C. E., D. E. Hollis, K. A. Raphael, et al. "Wool follicles initiate, develop and produce wool fibres in ovine fetal skin grafts." Journal of Agricultural Science 121, no. 2 (1993): 247–53. http://dx.doi.org/10.1017/s0021859600077121.

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SUMMARYResearch into the mechanisms that control the initiation and development of wool follicles has been severely hampered by the inaccessibility of fetal skin in utero. The aims of this study were to determine whether ovine fetal skin, when grafted onto the athymic nude mouse (nu/nu), could be maintained outside the uterine environment and, if so, whether it would retain its ability to initiate and develop wool follicles capable of producing wool fibres.Skin was removed from the mid-side region of ovine fetuses on days 45, 55, 65, 75, 85 and 95 of gestation, and transferred to graft beds pr

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2

McCloghry, CE, DE Hollis, A. Foldes, et al. "The effects of exogenous melatonin and prolactin on wool follicle development in ovine foetal skin grafts." Australian Journal of Agricultural Research 44, no. 5 (1993): 993. http://dx.doi.org/10.1071/ar9930993.

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The fleece of the Merino sheep is composed predominantly of wool fibres grown from secondary wool follicles. This study investigates the effects of melatonin and prolactin on the development of secondarv follicles in grafted ovine foetal skin. Skin from day 85 ovine foetuses was grafted onto nude mice, developed for 40 days and then excised. Mice received either 30 8g prolactin ip mouse-1 day-1 (P), one melatonin implant (Regulin�) sc mouse -1 (M), commencing at grafting or no further treatment (C). Wool follicle density and development were assessed in grafted skin and compared with day 125 c

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3

Zhang, Fangjun, Jinping Guan, and Guoqiang Chen. "Performance of Flame Retardant Wool Fabric Grafted with Vinyl Phosphate." Journal of Engineered Fibers and Fabrics 9, no. 1 (2014): 155892501400900. http://dx.doi.org/10.1177/155892501400900105.

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In this paper, a flame retardant dimethyl-2–(methacryloyloxyethyl) phosphate (DMMEP) was applied to wool fabrics by the graft copolymerization technique initiated with potassium persulfate (KPS) in water media. FTIR and SEM testing were used to explore the grafting evidence on the fiber surface, the SEM results show chemical deposition on the wool fiber surface and the scales could not be seen clearly. FTIR testing exhibited IR absorption of DMMEP on the wool fiber. Thermal gravimetric analysis, differential thermal analysis (DTA), and char residue morphology SEM observation show the decomposi

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4

Hassan, Mohammad Mahbubul, and John Robert McLaughlin. "Multi-functional wool fabrics by graft-copolymerisation with polystyrene sulphonate: their enhanced fire retardancy, mechanical properties, and stain-resistance." New Journal of Chemistry 42, no. 23 (2018): 18919–27. http://dx.doi.org/10.1039/c8nj03686a.

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5

Di Foggia, Michele, Masuhiro Tsukada, and Paola Taddei. "Vibrational Study on Structure and Bioactivity of Protein Fibers Grafted with Phosphorylated Methacrylates." Molecules 26, no. 21 (2021): 6487. http://dx.doi.org/10.3390/molecules26216487.

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In the last decades, silk fibroin and wool keratin have been considered functional materials for biomedical applications. In this study, fabrics containing silk fibers from Bombyx mori and Tussah silk fibers from Antheraea pernyi, as well as wool keratin fabrics, were grafted with phosmer CL and phosmer M (commercial names, i.e., methacrylate monomers containing phosphate groups in the molecular side chain) with different weight gains. Both phosmers were recently proposed as flame retarding agents, and their chemical composition suggested a possible application in bone tissue engineering. IR a

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6

Kreševič Vraz, Silva, and Bojana Vončina. "Wool Fabric Treated With Eco – Friendly Insect Repellent." Fibres and Textiles in Eastern Europe 25 (August 31, 2017): 102–5. http://dx.doi.org/10.5604/01.3001.0010.2845.

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In the research work presented, fabric made of wool was grafted with β-cyclodextrine (β-CD) using 1, 2, 3, 4 butanetetracarboxlic acid (BTCA) as a polyfunctional reagent. To reduce the grafting curing temperature, which could damage the wool fabric if too high, cyanamide (CA) in combination with ammonium dihydrogen phosphat (ADHP) were used as catalysts. The presence of cedar oil applied onto textile materials was determined by ATR FT-IR spectroscopy, as well as estimation of the add-on of cedar oil with the gravimetric approach, respectively. Finally the reduction in moths after being exposed

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7

Meng, Xiang-Ying. "Chemical and mechanical properties of butyl methacrylate grafted wool fiber." Journal of Applied Polymer Science 91, no. 6 (2004): 3813–17. http://dx.doi.org/10.1002/app.13567.

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8

Elangovan, V. J., and S. Saccubai. "Chemical and mechanical properties of methyl methacrylate-grafted wool fiber." Journal of Applied Polymer Science 44, no. 12 (1992): 2179–83. http://dx.doi.org/10.1002/app.1992.070441214.

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9

Zhang, Hui, Zhenwei Yang, and Xingtao Zhang. "A One-step Process for the Modification of Wool Fibers with Titanate Tetrabutyl by Low Temperature Hydrothermal Method." Research Journal of Textile and Apparel 18, no. 2 (2014): 23–31. http://dx.doi.org/10.1108/rjta-18-02-2014-b004.

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In this paper, wool fibers are modified with titanate tetrabutyl by coating and grafting titanium dioxide (TiO2) nanoparticles under low temperature hydrothermal conditions. Field emission scanning electron microscopy, energy dispersive X-ray spectroscopy, X-ray diffraction, transmission electron microscopy, Fourier transform infrared spectroscopy, thermal gravimetric analysis and diffuse reflectance spectroscopy are used as the characterization techniques. It is found that anatase TiO2 nanocrystals with crystal sizes smaller than 10 nm can be synthesized and simultaneously grafted onto fiber

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10

Wang, Shuhua, Wensheng Hou, Liqiao Wei, Husheng Jia, Xuguang Liu, and Bingshe Xu. "Antibacterial activity of nano-SiO2 antibacterial agent grafted on wool surface." Surface and Coatings Technology 202, no. 3 (2007): 460–65. http://dx.doi.org/10.1016/j.surfcoat.2007.06.012.

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11

Gu, Haoshuai, Hui Zhang, Xinyue Zhang, et al. "Photocatalytic Properties of Core-Shell Structured Wool-TiO2 Hybrid Composite Powders." Catalysts 11, no. 1 (2020): 12. http://dx.doi.org/10.3390/catal11010012.

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In this study, a special core–shell structured wool-TiO2 (WT) hybrid composite powder also having TiO2 nanoparticles incorporated inside cortical cells was reported. The wool pallets were pulverized from wool fibers using vibration-assisted ball milling technique and the WT powders having mesopores and macropores were produced in hydrothermal process. Experimental results indicated that the infiltrated TiO2 nanoparticles were amorphous structure, while the coated TiO2 nanoparticles were anatase phase structure. The crystallized TiO2 nanoparticles were grafted with wool pallets by the N−Ti4+/S−

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12

Niu, Mei, Xuguang Liu, Jinming Dai, Wensheng Hou, Liqiao Wei, and Bingshe Xu. "Molecular structure and properties of wool fiber surface-grafted with nano-antibacterial materials." Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy 86 (February 2012): 289–93. http://dx.doi.org/10.1016/j.saa.2011.10.038.

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13

Tsukada, Masuhiro, Shafiul Islam, Takayuki Arai, Alessandra Boschi, and Giuliano Freddi. "MICROWAVE IRRADIATION TECHNIQUE TO ENHANCE PROTEIN FIBRE PROPERTIES." AUTEX Research Journal 5, no. 1 (2005): 40–48. http://dx.doi.org/10.1515/aut-2005-050104.

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Abstract Microwave irradiation technique was used for the chemical modification and grafting of protein fibrous materials, such as domestic silk (Bombyx mori), tussah silk (Antheraea pernyi), and wool fibres. Epoxide compounds Denacol EX810 and EX313 reacted effectively with the protein substrates. As alkali catalysts, sodium hydroxide was more effective than sodium thiocyanate. The optimum concentration was 0.25 w%. Weight gain values up to 8% were attained with 10-15 min irradiation time at 200W power. Graftcopolymerisation of vinyl monomers onto protein fibres resulted in variable weight ga

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14

Hassan, Mohammad Mahbubul. "Binding of a quaternary ammonium polymer-grafted-chitosan onto a chemically modified wool fabric surface: assessment of mechanical, antibacterial and antifungal properties." RSC Advances 5, no. 45 (2015): 35497–505. http://dx.doi.org/10.1039/c5ra03073k.

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15

Li, Jiaxin, Ningjing Song, Yuyue Wang, Liuji Chen, Zhijie Liang, and Weini Jia. "Bio-coloration and Antibacterial Function of Wool grafted with pomegranate peel polyphenols catalyzed by laccase." Materials Today Communications 40 (August 2024): 109910. http://dx.doi.org/10.1016/j.mtcomm.2024.109910.

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16

Niu, Mei, Xuguang Liu, Jinming Dai, Husheng Jia, Liqiao Wei, and Bingshe Xu. "The structure of wool fibers grafted with chitosan coated Ag-loading nano-SiO2 antibacterial composites." Fibers and Polymers 11, no. 8 (2010): 1201–3. http://dx.doi.org/10.1007/s12221-010-1201-7.

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17

Wang, C. X., M. Du, J. C. Lv, et al. "Effect of wetting pretreatment on structure and properties of plasma induced chitosan grafted wool fabric." Fibers and Polymers 16, no. 2 (2015): 404–12. http://dx.doi.org/10.1007/s12221-015-0404-3.

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18

Turky, G. M., M. M. Madani, M. H. Abdel-Rehim, and A. S. Badran. "Preparation, characterization, and some physical properties of polypropylene/poly(methyl acrylate)-grafted glass wool composites." Journal of Applied Polymer Science 87, no. 5 (2002): 723–32. http://dx.doi.org/10.1002/app.11185.

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19

Zhang, Pan, Qiang Wang, Jinsong Shen, Ping Wang, Jiugang Yuan, and Xuerong Fan. "Enzymatic Thiol–Ene Click Reaction: An Eco-Friendly Approach for MPEGMA-Grafted Modification of Wool Fibers." ACS Sustainable Chemistry & Engineering 7, no. 15 (2019): 13446–55. http://dx.doi.org/10.1021/acssuschemeng.9b02902.

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20

El-Mosallamy, El-Said. "IMPROVED DYEABILITY AND MECHANICAL PROPERTIES OF WOOL FIBERS GRAFTED WITH POLY(ACRYLIC ACID) BY GAMMA-RADIATION." Journal of Macromolecular Science, Part A 38, no. 11 (2001): 1167–74. http://dx.doi.org/10.1081/ma-100107136.

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21

THOMAS, V. M., E. AYERS, K. HANFORD, and R. KOTT. "INFLUENCE OF LASALOCID ON THE PRODUCTION OF GESTATING EWES IN AN EXTENSIVE GRAZING SYSTEM." Canadian Journal of Animal Science 68, no. 2 (1988): 439–44. http://dx.doi.org/10.4141/cjas88-049.

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A winter feeding trial was conducted to evaluate the influence of lasalocid (L) on the production of gestating ewes in an extensive grazing system. Six hundred and sixty ewes were randomized within age and breed and allotted to feed supplements (0.23 kg head−1 d−1) containing either no L (C) or L at 308 mg kg−1 and fed for 84 d during gestation. Ewe weight change within periods (three, 28-d periods) was similar (P > 0.10) with the exception of period 2 where L-supplemented ewes tended to gain more (P < 0.10) weight than C ewes. Total ewe weight change during the wintering period and year

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22

Li, Bing, Yongchun Dong, and Zhizhong Ding. "Recycling wool-dyeing effluents after renovation through photocatalysis with Cu-Fe bimetallic-grafted polytetrafluoroethylene fiber complex and H2O2." Fibers and Polymers 16, no. 4 (2015): 794–801. http://dx.doi.org/10.1007/s12221-015-0794-2.

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23

El Naggar, A. M., M. M. Marie, E. H. El Gendy, and A. A. El Miligy. "Dyeing, moisture regain and mechanical properties of wool fabric grafted with PMMA by chemical and radiation-initiated methods." Radiation Physics and Chemistry 47, no. 4 (1996): 623–29. http://dx.doi.org/10.1016/0969-806x(95)00106-8.

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24

Tsukada, Masuhiro, Md Majibur Rahman Khan, Tomohiro Miura, Ronald Postle, and Akio Sakaguchi. "Mechanical performance of wool fabrics grafted with methacrylamide and 2-hydroxyethyl methacrylate by the Kawabata Evaluation System for Fabric method." Textile Research Journal 83, no. 12 (2013): 1242–50. http://dx.doi.org/10.1177/0040517512458338.

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25

Dikobe, DG, and AS Luyt. "Investigation of the morphology and properties of the polypropylene/low-density polyethylene/wood powder and the maleic anhydride grafted polypropylene/low-density polyethylene/wood powder polymer blend composites." Journal of Composite Materials 51, no. 14 (2016): 2045–59. http://dx.doi.org/10.1177/0021998316668399.

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The properties of polypropylene/low-density polyethylene and maleic anhydride grafted polypropylene/low-density polyethylene blends, and their wood powder composites are compared in this study. The blends contained equal amounts of polymers, and the wood powder was added into the blends to form polypropylene/low-density polyethylene/wood powder and maleic anhydride grafted polypropylene/low-density polyethylene/wood powder ternary systems. The Fourier-transform infrared analysis of the blends and composites did not provide any evidence of significant interactions between the different componen

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26

De Micco, Veronica, Enrica Zalloni, Giovanna Battipaglia, et al. "Rootstock effect on tree-ring traits in grapevine under a climate change scenario." IAWA Journal 39, no. 2 (2018): 145–55. http://dx.doi.org/10.1163/22941932-20170199.

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ABSTRACTProjected changes in drought occurrence in the Mediterranean region are raising concerns about the adaptive capability of rainfed crops, such as grapevine, to increasing aridity. Cultivation management, especially the techniques influencing the hydraulic pathway, can play a role in plant adaptation to drought for the consequent changes in wood anatomical functional traits. The aim of this study was to assess the effect of grafting on wood anatomy in tree-ring series ofVitis vini-feraL. ‘Piedirosso’ grapevine cultivated in a volcanic area in Southern Italy. Tree-ring anatomy was analyse

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27

Susilowati, Arida, Apri Heri Iswanto, Imam Wahyudi, Supriyanto Supriyanto, and Iskandar Z. Siregar. "Morphological and Anatomical Evaluation of Grafted Pinus merkusii." Journal of the Korean Wood Science and Technology 44, no. 6 (2016): 903–12. http://dx.doi.org/10.5658/wood.2016.44.6.903.

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28

Lee, S. J., J. Woolliams, C. J. A. Samuel, and D. C. Malcolm. "A Study of Population Variation and Inheritance in Sitka Spruce." Silvae Genetica 56, no. 1-6 (2007): 36–44. http://dx.doi.org/10.1515/sg-2007-0006.

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Summary This study investigated the potential benefits to a tree breeding programme of selection based on height in the original ortet population, and on diameter and wood density of grafted-ramets representing the same ortets growing in a clone bank. The trees studied were a large, randomly selected same-aged population of Sitka spruce (Picea sitchensis (Bong.) Carr.) individuals of known origin growing on a single site in North-West Scotland. Estimates of correlated response indicated the value of including ortet height when adjusted for an environmental variable (in this case height above s

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Normuratov, Ilkhom, Ikhtiyor Namozov, and Dilnoza Ergasheva. "Improvement of tree growth technology in weakly growing grafting points of apple tree (Malus mill)." E3S Web of Conferences 284 (2021): 03022. http://dx.doi.org/10.1051/e3sconf/202128403022.

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This article studies the technology of growing seedlings of different varieties of apples at vegetatively propagated low-growing M-IX and medium-sized MM109 grafting points and provides scientifically based data. Grafting the upper-grafted bud by removing the wooden part resulted in a significant increase in its grip. When apple varieties were grafted to M-IX grafting point without removal of the wood part, the total amount of preserved upper-grafted buds ranged from 76% to 80% by variety, while in the experimental variant of grafting without wood, this figure ranged from 85% to 95% and observ

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Kaymakci, Alperen, Nadir Ayrilmis, Turker Gulec, and Mursit Tufan. "Preparation and characterization of high-performance wood polymer nanocomposites using multi-walled carbon nanotubes." Journal of Composite Materials 51, no. 9 (2016): 1187–95. http://dx.doi.org/10.1177/0021998316674265.

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Effect of industrial grade multi-walled carbon nanotubes on mechanical, decay, and thermal properties of wood polymer nanocomposites was investigated. To meet this objective, pine wood flour, polypropylene with and without coupling agent (maleic anhydride grafted polypropylene), and multi-walled carbon nanotube (0, 1, 3, 5 wt%) were compounded in a twin screw co-rotating extruder. The mass ratio of the wood flour to polypropylene was 50/50 (w/w) in all compounds. Test specimens were produced using injection molding machine from the pellets. The flexural and tensile properties, biological durab

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31

Gao, Hua, Qing Wen Wang, Hai Gang Wang, and Yong Ming Song. "Properties of Highly Filled Wood Fiber-Maleic Anhydride Grafted Thermoplastic Blends Composites." Advanced Materials Research 113-116 (June 2010): 1856–60. http://dx.doi.org/10.4028/www.scientific.net/amr.113-116.1856.

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In order to make high performance wood-plastic composites (WPCs) from wood-fiber and mixed plastic wastes, virgin resins were compounded to simulate mixed plastic wastes, which included polypropylene, polyethylene and/or polystyrene, then grafted with maleic anhydride (MAH) by reactive extrusion. Highly filled WPCs were prepared by extruding. Mechanical testing results showed that the mechanical properties of the composites based on grafted virgin and waste plastics both significantly enhanced. The compatibility between the different plastics in the blend system and the interfacial adhesion be

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32

dos Santos, Glaycianne Christine Vieira, João Vicente de Figueiredo Latorraca, Lívia Fernanda Lavrador Toniasso, et al. "Does a graft located in the canopy of a rubber tree affect the morphologies of cells in the adjacent wood?" BioResources 14, no. 1 (2019): 1794–818. http://dx.doi.org/10.15376/biores.14.1.1794-1818.

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The objective of this study was to characterize the wood anatomical structure of a rubber tree clone, under the influence of two different canopy grafts. The following rubber trees were selected in the system of a double-grafted PB 311 + FX 2784 and PB 311 + MDF 180. For each tree, discs of wood were cut from the affected branch immediately below the insertion of clone at right angles to the axis, from which the regions corresponding to tension, in opposite and normal wood, were identified. The anatomical analyses were conducted in accordance with the standards established by the International

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33

Sèbe, Gilles, Philippe Tingaut, Rodrigue Safou-Tchiama, Michel Pétraud, Stéphane Grelier, and Bernard De Jéso. "Chemical reaction of maritime pine sapwood (Pinus pinaster Soland) with alkoxysilane molecules: A study of chemical pathways." Holzforschung 58, no. 5 (2004): 511–18. http://dx.doi.org/10.1515/hf.2004.078.

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Abstract The chemical modification of maritime pine sapwood (Pinus pinaster) with alkoxysilanes was studied according to three different pathways: carbamoylation with 3-isocyanatopropyltriethoxysilane, etherification with 3-glycidoxypropyltrimethoxysilane and alcoholysis of n-propyltrimethoxysilane. Grafting was confirmed by weight percent gain calculations (WPG), infrared spectroscopy (FTIR) as well as 13C and 29Si NMR CP MAS analysis. Signals of the grafted groups in the different spectra were assigned and the reactivity of the trialkoxysilane moieties towards wood was discussed. Experiments

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34

Amponsah, N. T., R. W. A. Scheper, B. M. Fisher, M. Walter, J. M. Smits, and L. K. Jesson. "The effect of wood age on infection by Neonectria ditissima through artificial wounds on different apple cultivars." New Zealand Plant Protection 70 (August 8, 2017): 97–105. http://dx.doi.org/10.30843/nzpp.2017.70.34.

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The age of apple wood may affect its susceptibility to European canker (Neonectria ditissima). Therefore, a glasshouse experiment was conducted with potted trees of six apple cultivars (‘Braeburn’, ‘Scilate’, ‘Fuji’, ‘Golden Delicious’, ‘Jonathan’ and ‘Royal Gala’) grafted onto two rootstocks (‘M793’ and ‘M9’) to study the effect of 3-, 2- or 1-year-old wood on incidence and disease progression following inoculation with conidia of N. ditissima. Initial analyses of cultivars on ‘M793’ showed a significant wood age effect on disease incidence and lesion length, which was similar to cultivars gr

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35

Ko, R. V. K., K. H. Soon, B. M. Siddique, E. Jayamani, X. Y. Lee, and S. Palanisamy. "A comparative study on graft copolymerization of MMA onto wood fiber under microwave and conventional heating." Journal of Physics: Conference Series 2484, no. 1 (2023): 012010. http://dx.doi.org/10.1088/1742-6596/2484/1/012010.

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Abstract Wood polymer composites (WPC) are gaining popularity and widespread usage due to an increased awareness of human population towards the importance of environmental effects and green eco-friendly materials. Mechanical properties of WPC could be improved through graft copolymerization of monomer onto wood fiber to improve interfacial bonding. In this study, a comparison of free radical graft copolymerization using microwave-assisted and conventional heating method was performed. Methyl methacrylate (MMA) monomer is used in graft copolymerization of Meranti wood using a free radical init

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36

Zhang, Rui, Fang-Ren Peng, Dong-Liang Le, et al. "Evaluation of Epicotyl Grafting on 25- to 55-day-old Pecan Seedlings." HortTechnology 25, no. 3 (2015): 392–96. http://dx.doi.org/10.21273/horttech.25.3.392.

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Scion wood of ‘Caddo’ and ‘Desirable’ pecan (Carya illinoinensis) was grafted onto the epicotyl of 1-month-old, open-pollinated ‘Shaoxing’ pecan seedlings for evaluation as a grafting technique to reduce the time to produce grafted trees. The results showed that seedlings grafted with “base scions” had higher survival than those grafted with “terminal scions” for both ‘Caddo’ and ‘Desirable’. Also, grafting with paraffinic tape could achieve greater success rate than that with medical tape. The most ideal time to perform this grafting was late April in Nanjing, China, when pecan seedlings were

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37

Kong, Fan Long, Jun Song, Bo Wen Cheng, and Yun Bo Zheng. "Synthesis and Characterization of Cellulose/Quaternary Phosphonium Salt." Advanced Materials Research 842 (November 2013): 138–41. http://dx.doi.org/10.4028/www.scientific.net/amr.842.138.

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This paper investigates imparting antibacterial properties to wood pulp cellulose via introducing quaternary phosphonium salt groups in/onto the cellulose structure to get biocidal material. The 4-carboxybutyltriphenylphosphonium bromide was grafted to cellulose in an esterification at 70°C with mechanical stirring 5h.The grafted cellulose were evaluated with FTIR and 1H NMR. The product shows good antibacterial property against E. coli.

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Kamdem, D. P., and S. Grelier:. "Surface Roughness and Color Change of Copper-Amine Treated Red Maple (Acer rubrum) Exposed to Artificial Ultraviolet Light." Holzforschung 56, no. 5 (2002): 473–78. http://dx.doi.org/10.1515/hf.2002.073.

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Summary UV absorbers were microwave-grafted onto copper-amine (Cu-MEA) treated maple. The so-treated wood was weathered with UV light for various periods of time. Two weathering cycles were used: one with only an irradiation step using a 175W medium pressure mercury lamp of wavelength higher than 300 nm and a second with irradiation and a water spray step. The surface color and the surface roughness were monitored and the biological performance of the UV absorbers grafted on copper amine-treated maple evaluated as well. ∆E, the total color change was measured and it increased from 0 to 14.7 af

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39

Zhang, Xiu Mei, Jian Feng Ji, Yan Jun Tang, and Yu Zhao. "Wood Pulp Fibers Grafted with Polyacrylamide through Atom Transfer Radical Polymerization." Advanced Materials Research 396-398 (November 2011): 1458–61. http://dx.doi.org/10.4028/www.scientific.net/amr.396-398.1458.

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Bleached wood pulp fibers grafted with polyacrylamide (PAM) was synthesized through surface-initiated atom transfer radical polymerization (SI-ATRP) to be applied in papermaking. The ATRP macroinitiator was prepared by esterification of hydroxyl groups of wood fibers with α-bromoisobutyryl bromide (α-BIBB). The bromine atoms on the surface of the macroinitiator were characterized and calculated by FT-IR, EDXS and TGA techniques. The ATRP grafting reaction conditions of fiber-PMA were discussed and determined. To optimize the polymerization in the CuBr/PMDETA catalytic system, several influenci

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40

Matchawet, Suradet, Jobish Johns, Jutatip Artchomphoo, Kwanruethai Boonsong, and Uraiwan Sookyung. "Improving the Performance of Wood Adhesive with Waste Rubber Tire." Trends in Sciences 20, no. 9 (2023): 6826. http://dx.doi.org/10.48048/tis.2023.6826.

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Reclaimed rubber (RR) from waste tires was introduced as a wood adhesive by blending with epoxidized natural rubber (ENR). To improve the polarity of RR and compatibility with ENR, maleic anhydride (MA) was grafted onto RR chains. Influences of RR and RR-g-MA (maleic anhydride grafted reclaimed rubber) on the adhesion of wood adhesive along with their properties such as crosslinking, mechanical properties, thermal stability, and wettability were studied. It was found that RR and RR-g-MA affect the vulcanization of ENR by increasing crosslink density. Especially, in the case of using RR-g-MA ge

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Engonga, P. Edou, R. Schneider, P. Gérardin, and B. Loubinoux. "Chemical Modification of Wood with Perfluoralkyl Ethanol and 4,4'-Diphenylmethane Diisocyanate." Holzforschung 53, no. 3 (1999): 272–76. http://dx.doi.org/10.1515/hf.1999.046.

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Summary Grafting of perfluoroalkyl ethanol derivatives on spruce meal (Picea abies) and beech blocks (Fagus sylvatica) was performed using 4,4′-diphenylmethane diisocyanate (MDI). The formation of urethane bonds between MDI, perfluoroalkyl ethanol and wood allowed to increase wood's dimensional stability. Contact angle measurements were also performed. θ values obtained for wood grafted with perfluoroalkyl ethanol derivatives were greater and did not decrease with time compared to those obtained with unmodified wood.

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Guillén-Mallette, Javier, Irma Flores-Cerón, Soledad Cecilia Pech-Cohuo, et al. "Effect of moisture absorption-desorption cycles, UV irradiation and coupling agent on the mechanical performance of pinewood waste/polyethylene composites." Clean Technologies and Recycling 3, no. 3 (2023): 193–220. http://dx.doi.org/10.3934/ctr.2023013.

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<abstract> <p>The effects of UV radiation, a maleic anhydride grafted polyethylene (MAPE) coupling agent and moisture cycling exposure on wood plastic composites (WPC) made from pinewood waste (PW) and high-density polyethylene (HDPE) on their tensile and flex properties, were studied. First, the effect of UV radiation and the presence of anhydride grafted polyethylene on the absorption-desorption behavior of the compounds was evaluated and then its effect on the mechanical properties. Scanning electron microscopy (SEM) was used to analyze the surfaces of the samples subjected to t

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Wu, Chin-San, and Hsin-Tzu Liao. "Fabrication, characterization, and application of polyester/wood flour composites." Journal of Polymer Engineering 37, no. 7 (2017): 689–98. http://dx.doi.org/10.1515/polyeng-2016-0284.

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Abstract The mechanical properties, thermal properties, antibacterial activity, and fabrication of three-dimensional (3D) printing strips of composite materials containing polyhydroxyalkanoate (PHA) and wood flour (WF) were evaluated. Maleic anhydride (MA)-grafted PHA (PHA-g-MA) and WF were used to enhance the desired characteristics of these composites. The PHA-g-MA/WF composites had better mechanical properties than the PHA/WF composites did. This effect was attributed to a greater compatibility between the grafted polyester and WF. Additionally, the PHA-g-MA/WF composites provided higher qu

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Zhao, Hui, Yi Long Zhou, Hong Yuan Zhu, and Sheng Yuan Zhang. "Research on Tensile Strength in the Ultrasonic Welding Joint of T-Type Wood-Plastic Composites Components." Advanced Materials Research 601 (December 2012): 46–49. http://dx.doi.org/10.4028/www.scientific.net/amr.601.46.

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Ultrasonic welding technology is applied to the connection of T-type wood-plastic composites components to study its performance. The wood-plastic composite materials are made up of 60% wood-flour (WF), 36% polypropylene (PP) and 4% maleic anhydride grafted PP (MAPP). Tensile strength of the welded joint, which oscillation time is 4 seconds, is analyzed based on experimental data. Welded joint is observed by scanning electron microscope and its connection status is analyzed. Experiment results show that ultrasonic welding technology can be applied to T-type wood-plastic composites component, w

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Kotlyarova, Irina Aleksandrovna. "INFRARED SPECTROSCOPY OF WOOD OF PINE, BIRCH AND OAK, MODIFIED WITH MONOETHANOLA-MINE(N→B)THREEHYDROXYBORATE." chemistry of plant raw material, no. 2 (January 24, 2019): 43–49. http://dx.doi.org/10.14258/jcprm.2019024609.

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The article presents the results of IR-spectroscopic study of wood of pine, birch and oak, modified with 50% aqueous solution of monoethanolamine(N→B)threehydroxyborate. IR spectra of the samples of birch and oak, modified by monoethanolamine(N→B)threehydroxyborate havebeen obtained for the first time. It was found that the modifier chemically interacts at room temperature with the reactive groups of the tree species under study; the chemical bonds being formed are hydrolytically stable. It is revealed that the change in the supramolecular structure of the modified wood is associated with a ch

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Ayrilmis, Nadir, Türker Güleç, Emrah Peşman, and Alperen Kaymakci. "Potential use of cotton dust as filler in the production of thermoplastic composites." Journal of Composite Materials 51, no. 30 (2017): 4147–55. http://dx.doi.org/10.1177/0021998317698750.

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The effect of cotton dust as filler on the mechanical and thermal properties of polypropylene composites was investigated and the results were compared with the properties of wood plastic composites. Cotton dust was obtained from the dust filtration system located in a textile manufacturing unit. Different mixtures of cotton dust (30 to 60 wt%) or wood flour (30 to 60 wt%) were compounded with polypropylene with a coupling agent (maleic anhydride grafted polypropylene 3 wt%) in a twin-screw co-rotating extruder. The test specimens were produced by injection molding machine. The tensile strengt

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PAL, SUBRATA, BHUVNESHWAR RAI, AJAY KUMAR TYAGI, SUNITA RATTAN, and VIRENDRA KUMAR. ""ENHANCEMENT OF ANTIBACTERIAL AND WATER ABSORPTION PROPERTIES OF WOOD PULP BY GAMMA RADIATION INDUCED GRAFTING WITH QUATERNARY AMMONIUM SALT FOR APPLICATION IN HYGIENE PRODUCTS"." Cellulose Chemistry and Technology 56, no. 5-6 (2022): 531–42. http://dx.doi.org/10.35812/cellulosechemtechnol.2022.56.45.

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"The present work reported the enhancement of antibacterial and water absorption properties of mutually grafted wood pulp with quaternary ammonium-based salts containing 3-acrylamidopropyltrimethyl ammonium chloride (APTAC) monomer induced by gamma radiation. Grafting was qualitatively confirmed by FTIR-ATR, TGA, SEM and quantified by calculating the grafting yield and the grafting efficiency. The performance was examined for water absorbency and antibacterial efficacy (R) against gram-negative bacteria Escherichia coli (E. coli) and and gram-positive bacteria Staphylococcus aureus (S. aureus)

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Carrere, Camille, Anne-Sophie Spilmont, Grégoire Loupit, et al. "Evaluation of criteria to assist the selection of good quality grafted grapevines prior to their commercialisation." OENO One 56, no. 2 (2022): 15–27. http://dx.doi.org/10.20870/oeno-one.2022.56.2.4792.

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The production of grafted grapevine plant material is a complex process with many steps running over at least one year, from grafting to final sorting in nurseries. To reach the market in France, grafted grapevines must meet three criteria by law: resistance to a manual graft union test (or thumb test), a minimum number of three roots and a woody, lignified stem which has grown from the bud of the scion wood of at least 2 cm long. This study aimed to evaluate the possibility of using visual criteria to select good quality grafted grapevines, without the need to do the thumb test because the th

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Dodd, Richard S. "Cyclophytic effects on wood structure in Pinusradiata D. Don. II. Tracheid morphology." Canadian Journal of Forest Research 18, no. 4 (1988): 413–20. http://dx.doi.org/10.1139/x88-061.

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The effects of apical ontogeny on xylem morphology in Pinusradiata were examined in grafted trees and in clonal pairs of trees grown from cuttings from hedge- and tree-form donors (H and T). At the time of sampling the grafted rootstocks were 21 years old, and trees from H and T plants were 11 years old from the date of planting rooted cuttings. In grafted trees tracheids were longer, and the rate of increase in tracheid length was greater above the graft. Since growth rings were narrower above the graft, the difference in rate of increase in tracheid length above and below the graft was great

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Dong, Xiao Ying, Ding Wang Gong, Zhen Bo Liu, and Yi Xing Liu. "Wood-Polymer Composite Fabricated by Polymerization of Monomers within Wood Porous Structure." Advanced Materials Research 549 (July 2012): 699–702. http://dx.doi.org/10.4028/www.scientific.net/amr.549.699.

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A novel composite, wood-polymer composite, was fabricated by polymerization of functional monomers within wood porous structure. The wood was a fast-growing plant wood, Micheliamacclurel wood, which was rarely reported in previous studies, and two functional monomers, glycidyl methacrylate and ethylene glycol dimethacrylate, were novelly employed. The monomers, added with a few Azo-bis-isobutryonitrile as initiator, and maleic anhydride as catalyst, were first impregnated into wood pores under vacuum/pressure conditions, and then in-situ polymerized into polymers through a catalyst-thermal tre

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