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HYPERBRANCHED POLYGLYCEROLS WITH BISPHENOL A CORE AS GLYCEROL-DERIVED COMPONENTS OF POLYURETHANE WOOD ADHESIVES
Maminski, Mariusz L. - Szymański, Rafał - Parzuchowski, Paweł - Antczak, Andrzej - Szymona, Karolina

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Two hyperbranched polyglycerols (HBPGs) and one oligoglycerol containing bisphenol A in the core of the molecule were synthesized from glycerol carbonate and applied as polyols in 2-component polyurethane adhesive systems. It was shown that mechanical performance of the joints made…
Fecha:	2012-02-01
Recurso:	Bioresources

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SOLUBILIZING AND DETACKIFYING STICKIES WITH ß-CYCLODEXTRIN
Banerjee, Sujit - Le, Tuan - Haynes, R. Daniel - Bradbury, James E.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	ß-Cyclodextrin (ß-CD) solubilizes stickies from deinked pulp, commercial adhesive formulations, or magazine inserts, which demonstrates its potential as a washing aid. A new test to simulate coater scratches is described; it involves scraping the test paper sample across the surface…
Fecha:	2012-02-01
Recurso:	Bioresources

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GROWTH OF POLYELECTROLYTE ON LIGNOCELLULOSIC FIBRES: STUDY BY ZETA POTENTIAL, FTIR, AND XPS
Awada, Houssein - Montplaisir, Daniel - Daneault, Claude

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A layer-by-layer (LbL) self-assembly technique using polyallylamine hydrochloride (PAH) and polyacrylic acid (PAA) was employed to build up polyelectrolyte multi-layers on pretreated thermomechanical pulp fibres. These pretreated fibres previously had been oxidized by means of a 4-acetamido TEMPO-mediated process in…
Fecha:	2012-02-01
Recurso:	Bioresources

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TREATMENTS TO MINIMIZE EXTRACTIVES STAIN IN WESTERN RED CEDAR
Stirling, Rod - Morris, Paul I.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Under certain conditions involving uneven exposure to weather, stains related to the extractives can reduce the aesthetic appeal of western red cedar in exterior applications such as fence boards, siding, and sidewall shingles. Selected chemical treatments were evaluated for their…
Fecha:	2012-02-01
Recurso:	Bioresources

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XYLO-OLIGOSACCHARIDES PRODUCTION BY AUTOHYDROLYSIS OF CORN FIBER SEPARATED FROM DDGS
Samala, Aditya - Srinivasan, Radhakrishnan - Yadav, Madhav P. - Kim, Tae-Jo - Prewitt, Lynn

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Xylo-oligosaccharides (XOS) are reported to have beneficial health properties, and they are considered to be functional food ingredients. Corn fiber separated from distillers dried grains with solubles (DDGS) could be a valuable feedstock for XOS production. The objective of this…
Fecha:	2012-05-02
Recurso:	Bioresources

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ADSORPTION OF METHYLENE BLUE FROM AQUEOUS SOLUTION ON ACTIVATED CARBON PRODUCED FROM SOYBEAN OIL CAKE BY KOH ACTIVATION
Tay, Turgay - Erdem, Murat - Ceylan, Burak - Karagöz, Selhan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study presents the adsorption behavior of the methylene blue (MB) dye onto the activated carbon produced from soybean oil cake by chemical activation with KOH at 800 °C. The adsorption isotherms, kinetic models, and thermodynamic parameters of the adsorption…
Fecha:	2012-05-02
Recurso:	Bioresources

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EFFECT OF SCREW EXTRUSION PRETREATMENT ON PULPS FROM CHEMICAL PULPING
Dong, Cuihua - Pang, Zhiqiang - Xue, Jingwen - Liu, Yu - Chen, Jiachuan - Zhang, Rong

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effect of compressive pretreatment before chemical pulping on the properties of poplar kraft and soda-AQ pulp was evaluated. Compressive pretreatment not only resulted in the dissolution of hemicellulose, but also leached extractives. Pulps made from compressive pretreated wood chips…
Fecha:	2012-05-02
Recurso:	Bioresources

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SYNTHESIS AND ANTIBACTERIAL ACTIVITY OF OXIME ESTERS FROM DIHYDROCUMIC ACID
Gao, Yanqing - Song, Jie - Shang, Shibin - Wang, Dan - Li, Jian

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Dihydrocumic acid was prepared from β-pinene through oxidation and dehydration. Then, ten oxime esters from dihydrocumic acid were synthesized. Reaction conditions of the oxime esters were adjusted and their structures were characterized by IR, 1H-NMR, MS, and elemental analysis. The…
Fecha:	2012-05-02
Recurso:	Bioresources

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IMPROVING THE BLEACHABILITY OF WHOLE COTTON STALK CHEMIMECHANICAL PULP WITH DEPECTINIZATION AGENTS
Yang, Huanlei - Li, Qun - Niu, Liping - Zhang, Yujia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The effects of pretreatment agents on pectin removal and chemical compositions in cotton stalk bark were studied. The results showed that the reaction rates of the depectinization agents reacting with calcium pectinate were V (Na2C2O4)> V (Na5P3O10)> V (NaOH). The…
Fecha:	2012-05-02
Recurso:	Bioresources

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10.

ON THE RECOVERY OF HEMICELLULOSE BEFORE KRAFT PULPING
Vila, Carlos - Romero, Javier - Francisco, José Luis - Santos, Valentín - Parajó, Juan Carlos

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	To assess the feasibility of implementing hemicellulose recovery stages in kraft mills, Eucalyptus globulus wood samples were subjected to aqueous treatments with hot, compressed water (autohydrolysis processing) to achieve partial dissolution of xylan. Autohydrolyzed solids were subjected to kraft pulping…
Fecha:	2012-05-02
Recurso:	Bioresources

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11.

TIME FOR A FORUM ON TERMS USED FOR TEXTILE FIBERS
Zawistoski, Patsy Sue

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The advances in manufactured fibers and textiles have garnered interest and excitement of textile artists and consumers alike for a myriad of reasons, including health, environmental, and fashion. The chemical and molecular nature of these advances, however leads to confusion…
Fecha:	2012-08-06
Recurso:	Bioresources

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12.

ADSORPTION OF CU(II) FROM AQUEOUS SOLUTION USING ACTIVATED CARBON DERIVED FROM MANGOSTEEN PEEL
Chen, Yandan - Huang, Mingjie - Chen, Weiqun - Huang, Biao

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Effects of the mixing method of K2CO3 with the source biomass and thermal history on the properties of the mangosteen peel activated carbons (MSACs) were investigated. The one-step impregnation activation process was found to be remarkably effective in increasing the…
Fecha:	2012-08-06
Recurso:	Bioresources

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13.

OVERVIEW OF ANALYTICAL PROCEDURES FOR FATTY AND RESIN ACIDS IN THE PAPERMAKING PROCESS
Valto, Piia - Knuutinen, Juha - Alén, Raimo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This review describes the role of wood extractives, especially fatty and resin acids, in papermaking, as well as the importance of their removal from process waters. One of the main aims is also to illustrate versatile analysis methods for this…
Fecha:	2012-08-06
Recurso:	Bioresources

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14.

IMPROVING PAPER STRENGTH BY GELATION OF NATIVE STARCH AND BORAX IN THE PRESENCE OF FIBERS
Shen, Jie - Zhou, Xiaofan - Wu, Weibing - Ma, Yuqin

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper puts forward a novel non-ionic augmentation system, namely, gelation of native starch in the presence of borax and papermaking fibers. Native starch was blended with high concentration pulp and auxiliary agents. After pasting, the starch gel adhered onto…
Fecha:	2012-08-06
Recurso:	Bioresources

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15.

The Joy of Bioresources: Sustainable Forest-Recreation Connections
Leung, Yu-Fai; Department of Parks, Recreation and Tourism Management, North Carolina State University - Catts, Glenn; Department of Forestry and Environmental Resources, North Carolina State University

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Forests have long-standing relationships with humanity beyond the material aspects. Recreation is an essential human need, and forests possess intrinsic values to support such a need in direct, authentic, and emotional ways. Quality recreation experiences can lead to a greater…
Fecha:	2012-11-05
Recurso:	Bioresources

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16.

WOOD MODIFICATION: AN UPDATE
Hill, Callum A. S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Wood modification is a generic term describing the application of chemical, physical, or biological methods to alter the properties of the material. The aim is to get better performance from the wood, resulting in improvements in dimensional stability, decay resistance,…
Fecha:	2011-02-11
Recurso:	Bioresources

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17.

DIFFERENT TYPES OF PHENOLIC UNITS IN LIGNINS
Lundquist, Knut - Parkås, Jim

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The influence of cross-linking and branching on the number of interconnections between lignin units and the number of end groups (phenolic and non-phenolic) in the lignin molecules is discussed. Branching results in an increased number of end groups. It appears…
Fecha:	2011-02-11
Recurso:	Bioresources

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18.

PYROLYSIS OF TOBACCO RESIDUE: PART 1. THERMAL
Akalin, Mehmet K. - Karagöz, Selhan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The pyrolysis of two types of tobacco residue was carried out at different pyrolysis temperatures between 300 and 600 °C and a residence time of 1 h in a nitrogen atmosphere. The effect of pyrolysis temperature on the product distributions…
Fecha:	2011-02-11
Recurso:	Bioresources

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19.

SPECTROSCOPIC, THERMAL, AND ANATOMICAL CHARACTERIZATION OF CULTIVATED BAMBOO (GIGANTOCHLOA SPP.)
Bhat, Irshad ul Haq - Mustafa, Mohd. Tamizi B - Mohmod, Abd. Latif - Khalil, H. P. S. Abdul

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This paper presents spectroscopic, thermal, and morphological properties of two bamboo species viz. Gigantochloa brang and Gigantochloa wrayi. The nature of cell wall structure and distribution of vascular bundles in G. brang and G. wrayi were studied by scanning electron…
Fecha:	2011-02-11
Recurso:	Bioresources

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20.

SELF-ASSEMBLED LIGNOCELLULOSE MICELLES: A NEW GENERATION OF VALUE-ADDED FUNCTIONAL NANOSTRUCTURES
Wang, Xiaohui - Sun, Runcang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Lignocellulose-based self-assembled micelles have emerged as a new generation of value-added functional nanostructures that show promise to address issues concerning the depletion of non-renewable resources; also these materials may contribute to the growing enthusiasm of utilizing biomass resources. Lignocellulose micelles…
Fecha:	2011-04-29
Recurso:	Bioresources

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21.

THE EFFECT OF GRAIN ANGLE AND SPECIES ON THERMAL CONDUCTIVITY OF SOME SELECTED WOOD SPECIES
Yapici, Fatih Ilhan - Ozcifci, Ayhan - Esen, Rasit - Kurt, Seref

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this study the thermal conductivity of different wood materials was determined. For this purpose, Scots pine (Pinus sylvestris L.), Uludag fir (Abies Bornmülleriana Matff), Oriental beech (Fagus orientalis L), Oak (Quercus robur L.), and Chestnut of Anatolia (Castanea sativa…
Fecha:	2011-04-29
Recurso:	Bioresources

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22.

INFLUENCE OF THE RAW MATERIALS AND PRODUCTION PARAMETERS ON CHOSEN STANDARD PROPERTIES FOR FURNITURE PANELS OF BIOCOMPOSITES FROM FIBROUS CHIPS
Kowaluk, Grzegorz - Fuczek, Dorota - Beer, Piotr - Grzeskiewicz, Marek

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The particleboards with different density from specially prepared particles from black locust and willow were prepared. The standard mechanical parameters of the panels were investigated, as well as the corner wall connections with eccentric connecting fitting element or confirmat strength.…
Fecha:	2011-04-29
Recurso:	Bioresources

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23.

MAIN AND NORMAL CUTTING FORCES BY MACHINING WOOD OF PINUS SYLVESTRIS
Porankiewicz, Boleslaw - Axelsson, Bengt - Anders Grönlund, Anders - Marklund, Birger

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this work the multi-factor, non-linear dependencies between main (tangential) FC (N) and normal (radial) FN (N) cutting forces and eight machining parameters by sawing simulation of wood of Pinus sylvestris L. were evaluated. The relationships are graphically illustrated and…
Fecha:	2011-07-28
Recurso:	Bioresources

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24.

FIBER REINFORCED SOY-BASED POLYURETHANE SPRAY FOAM INSULATION. PART 1: CELL MORPHOLOGIES
Khazabi, Mustafa - Gu, Ruijun - Sain, Mohini

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Environmentally friendly polyurethane (PU) spray foam insulation was prepared by substituting petrochemical polyol with soy-based polyol. The effects of adding wood fiber and water on the cell morphologies were studied. Cell size increased with the presence of wood fiber, but…
Fecha:	2011-07-28
Recurso:	Bioresources

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25.

TAR ANALYSIS IN SYNGAS DERIVED FROM PELLETIZED BIOMASS IN A COMMERCIAL STRATIFIED DOWNDRAFT GASIFIER
Gautam, Gopal - Adhikari, Sushil - Thangalazhy-Gopakumar, Suchithra - Brodbeck, Christian - Bhavnani, Sushil - Taylor, Steven

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	A study was conducted to quantify tar formation in a stratified downdraft gasifier using wood pellets. The effect of biomass flow rate on tar concentration was also analyzed, and more than thirty compounds in tar were quantified. Among the different…
Fecha:	2011-07-28
Recurso:	Bioresources

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26.

GLUCOSE FROM PAPER MILL SLUDGE
Banerjee, Sujit

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Enzymatic hydrolysis of sludge from a bleached tissue mill generates glucose that can be sold as a product or sent to an ethanol plant. Hydrolysis rates using enzymes from two sources are reported, and a configuration for the industrial conversion…
Fecha:	2011-07-28
Recurso:	Bioresources

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27.

COMPARATIVE PROPERTIES OF SODA PULPS FROM STALK, BAST AND CORE OF MALAYSIAN GROWN KENAF
Ibrahim, Mazlan - Wan Daud, Wan Rosli - Law, Kwei-Nam

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Soda pulping was performed using kenaf stalk, core, and bast as raw materials. It was observed that all these components could yield good paper characteristics when the resulting pulps were beaten to a freeness of 200 to 300 mL. Soda…
Fecha:	2011-07-28
Recurso:	Bioresources

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28.

DECENTRALIZED THERMOPHILIC BIOHYDROGEN: A MORE EFFICIENT AND COST EFFECTIVE PROCESS
Kumar, Sudhir - Bhalla, Aditya - Shende, Rajesh V. - Sani, Rajesh K.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Nonfood lignocellulosic biomass is an ideal substrate for biohydrogen production. By avoiding pretreatment steps (acid, alkali, or enzymatic), there is potential to make the process economical. Utilization of regional untreated lignocellulosic biomass by cellulolytic and fermentative thermophiles in a consolidated…
Fecha:	2011-10-31
Recurso:	Bioresources

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29.

CONVERSION OF FRUCTOSE TO 5-HYDROXYMETHYLFURFURAL WITH A FUNCTIONALIZED IONIC LIQUID
Ma, Hao - Zhou, Bo - Li, Yiqun - Argyropoulos, Dimitris S.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Fructose can be efficiently converted to 5-hydroxymethylfurfural by using the functionalized ionic liquid 3-(2-chloroethyl)-1-methylimidazolium chloride as both solvent and catalyst in the presence of water. This work advances the field and is distinct from earlier efforts in the sense that…
Fecha:	2011-10-31
Recurso:	Bioresources

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30.

CATALYTIC CONVERSION OF FORMIC ACID TO METHANOL WITH Cu AND Al UNDER HYDROTHERMAL CONDITIONS
Yao, Hansong - Xu, Zeng - Cheng, Min - Yun, Jun - Jing, Zhenzi - Jin, Fangming

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Catalytic conversion of formic acid into methanol was investigated with Cu as a catalyst and Al as a reductant under hydrothermal conditions. It was found that formic acid can be converted into methanol by such means. The highest yield of…
Fecha:	2011-10-31
Recurso:	Bioresources

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31.

STEAM EXPLOSION PULPING OF OIL PALM EMPTY FRUIT BUNCH FIBER
Wang, Xiwen - Hu, Jian - Zeng, Jingshan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Steam explosion pulping was evaluated for oil palm empty fruit bunches fiber. The fiber morphology was observed by SEM and TEM. Results indicated that lignin was molten and the cell wall damaged after the steam explosion pulping and that the…
Fecha:	2011-10-31
Recurso:	Bioresources

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32.

THE STRUCTURE AND MECHANICAL PROPERTIES OF SPINES FROM THE CACTUS OPUNTIA FICUS-INDICA
Gindl-Altmutter, Wolfgang - Keckes, Jozef

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The mechanical properties and structure of cactus Opuntia ficus-indica spines were characterised in bending and by means of x-ray diffraction. Using spruce wood cell walls for reference, the modulus of elasticity of Opuntia cactus spines was high in absolute terms,…
Fecha:	2011-10-31
Recurso:	Bioresources

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33.

BIOMASS EDUCATION IN THE TWENTY-FIRST CENTURY
Lucia, Lucian A.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The importance of teaching, for the development of economies, cultures, and the enrichment of people’s lives cannot be overstated. These days biomass and bioenergy teaching has a pivotal role to play in influencing all of the aforementioned areas of life,…
Fecha:	2012-02-01
Recurso:	Bioresources

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34.

EVALUATION OF ANTITERMITIC ACTIVITY OF DIFFERENT EXTRACTS OBTAINED FROM INDONESIAN TEAKWOOD (Tectona grandis L.f)
Dungani, Rudi - Bhat, Irshad ul Haq - Khalil, H. P. S. Abdul - Naif, Alharbi - Hermawan, Dede

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The antitermitic activity of different extracts obtained from Tectona grandis L.f was investigated against Coptotermes curvignathus (Holmgren). The main objective of this work was to determine the mortality rate of termites by the teak wood extracts. Different extracts exhibited different…
Fecha:	2012-02-01
Recurso:	Bioresources

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35.

IMPROVEMENT OF TCF BLEACHING OF OLIVE TREE PRUNING RESIDUE PULP BY ADDITION OF A LACCASE AND/OR XYLANASE PRE-TREATMENT
Martín-Sampedro, Raquel - Rodríguez, Alejandro - Requejo, Ana - Eugenio, Maria Eugenia

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This study aimed at assessing the biobleachability of soda pulps obtained from olive tree pruning residue. The enzymatic (LMS) pre-treatment was applied prior to a simple totally chlorine free (TCF) bleaching sequence, consisting of an alkaline extraction and a hydrogen…
Fecha:	2012-02-01
Recurso:	Bioresources

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36.

COCONUT BAGASSE TREATED BY THIOUREA/AMONIUM SOLUTION FOR CADMIUM REMOVAL: KINETIC AND ADSORPTION EQUILIBRIUM
Neto, Vicente Oliveira Sousa - Carvalho, Tecia Vieira - Honorato, Sara Braga - Gomes, Clêrton Linhares - Barros, Francisco Claudio F. - Araújo-Silva, Marcos Antônio - Freire, Paulo de Tarso Cavalcante - Nascimento, Ronaldo Ferreira

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Coconut bagasse, an agricultural solid waste was used as biosorbent for the removal of cadmium after modification with thiourea. The adsorption of Cd2+ was studied at pH 5.5. Langmuir, Freundlich, and Temkin isotherms were used to model the adsorption equilibrium…
Fecha:	2012-02-01
Recurso:	Bioresources

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37.

PPRODUCTION OF 2ND GENERATION BIOETHANOL FROM LUCERNE – OPTIMIZATION OF HYDROTHERMAL PRETREATMENT
Thomsen, Sune Tjalfe - Jensen, Morten - Schmidt, Jens Ejbye

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Lucerne (Medicago sativa) has many qualities associated with sustainable agriculture such as nitrogen fixation and high biomass yield. Therefore, there is interest in whether lucerne is a suitable biomass substrate for bioethanol production, and if hydrothermal pretreatment (HTT) of lucerne…
Fecha:	2012-02-01
Recurso:	Bioresources

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38.

MECHANICAL PROPERTIES ANALYSIS AND RELIABILITY ASSESSMENT OF LAMINATED VENEER LUMBER (LVL) HAVING DIFFERENT PATTERNS OF ASSEMBLY
Xue, Bing - Hu, Yingcheng

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Laminated Veneer Lumber (LVL) panels made from poplar (Populus ussuriensis Kom.) and birch (Betula platyphylla Suk.) veneers were tested for mechanical properties. The effects of the assembly pattern on the modulus of elasticity (MOE) and modulus of rupture (MOR) of…
Fecha:	2012-02-01
Recurso:	Bioresources

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39.

INFLUENCE OF BUFFER SOLUTION ON TEMPO-MEDIATED OXIDATION
Xu, Mei - Dai, Hongqi - Sun, Xuan - Wang, Shumei - Wu, Weibing

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	TEMPO-mediated oxidation has been reported to effectively convert C6 primary hydroxyl groups to carboxyl groups for better water-solubility. However, the pH decreases continuously during the oxidation process, and it is therefore difficult to maintain the stability of the reaction. The…
Fecha:	2012-02-01
Recurso:	Bioresources

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40.

RENEWABLE FIBERS AND BIO-BASED MATERIALS FOR PACKAGING APPLICATIONS – A REVIEW OF RECENT DEVELOPMENTS
Johansson, Caisa - Bras, Julien - Mondragon, Inaki - Nechita, Petronela - Plackett, David - Simon, Peter - Gregor Svetec, Diana - Virtanen, Sanna - Giacinti Baschetti, Marco - Breen, Chris - Aucejo, Susana

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	This review describes the state-of-the-art of material derived from the forest sector with respect to its potential for use in the packaging industry. Some innovative approaches are highlighted. The aim is to cover recent developments and key challenges for successful…
Fecha:	2012-02-01
Recurso:	Bioresources

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41.

ABSORBENT MATERIALS BASED ON KRAFT PULP: PREPARATION AND MATERIAL CHARACTERIZATION
Brodin, Fredrik Wernersson - Theliander, Hans

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Today, petroleum-based superabsorbents are widely used, but interest in renewable alternatives is on the rise. This study presents two wood-based absorbent materials suitable for various absorption applications as an alternative to petroleum-based products. Never-dried bleached kraft pulp was treated with…
Fecha:	2012-02-01
Recurso:	Bioresources

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42.

MORPHOLOGICAL CHANGES OF JACK PINE LATEWOOD AND EARLYWOOD FIBERS IN THERMOMECHANICAL PULPING
Huang, Fang - Lanouette, Robert - Law, Kwei-Nam

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The morphological changes of jack pine (Pinus banksiama) earlywood (EW) and latewood (LW) in thermomechanical pulping (TMP) were studied by light microscopy and scanning electronic microscopy. The results indicate that: under the mechanical forces in refining, the EW fibres tend…
Fecha:	2012-02-01
Recurso:	Bioresources

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43.

THE INFLUENCE OF CATIONIZED BIRCH XYLAN ON WET AND DRY STRENGTH OF FINE PAPER
Kataja-aho, Janne - Haavisto, Sanna - Asikainen, Jaakko - Hyvärinen, Sari - Vuoti, Sauli

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cationized birch xylan was prepared and its use as a papermaking chemical was evaluated. The focus was on studying the effects of cationized birch xylan on the wet and dry strength of fine paper. The results of the laboratory experiments…
Fecha:	2012-02-01
Recurso:	Bioresources

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44.

INFLUENCE OF CYCLIC SORPTION ON WOOD ULTRASTRUCTURE
Olek, Wiesław - Bonarski, Jan T.

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Desorption and adsorption cycles result in dimensional changes of wood. The shrinkage and swelling of wood components are accompanied by the forming and breaking of bonds at sorption sites of water molecules. These processes may lead to some reorganization of…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

45.

SYNTHESIS AND CHARACTERIZATION OF CELLULOSE-GRAFT-POLY (L-LACTIDE) VIA RING-OPENING POLYMERIZATION
Xiao, Shu - Yuan, Tongqi - Cao, Huibo - Lin, Dai - Shen, Yue - He, Jing - Wang, Bo

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Cellulose-graft-poly (L-lactide) (cellulose-g-PLLA) was prepared under homogeneous mild conditions. Ring-opening polymerization (ROP) was carried out successfully using 4-dimethylaminopyridine (DMAP) as an organic catalyst in an ionic liquid 1-allyl-3-methylimidazolium chloride (AmimCl). The structure of the polymer was characterized by GPC, 1H…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

46.

A NOVEL FIRE RETARDANT AFFECTS FIRE PERFORMANCE AND MECHANICAL PROPERTIES OF WOOD FLOUR-HIGH DENSITY POLYETHYLENE COMPOSITES
Pan, Mingzhu - Mei, Changtong - Song, Yuxuan

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Wood flour-high density polyethylene (HDPE) composites were prepared to investigate the effects of ammonium polyphosphate based fire retardant content (2, 4, 6, 8, and 10-wt%), on the flammability, mechanical, and morphological properties of the wood flour-HDPE composites in this study.…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

47.

PROPERTIES OF WOOD AND PULP FIBERS FROM LODGEPOLE PINE (PINUS CONTORTA) AS COMPARED TO SCOTS PINE (PINUS SYLVESTRIS)
Sable, Inese - Grinfelds, Uldis - Jansons, Aris - Vikele, Laura - Irbe, Ilze - Verovkins, Anrijs - Treimanis, Arnis

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	In this study, the relationship between the properties of the wood and kraft pulp fibers as well as paper characteristics of 27-year-old trees, lodgepole pine (Pinus contorta) and Scots pine (Pinus sylvestris), was assessed. All trees had been grown in…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

48.

PURIFICATION OF HARDWOOD-DERIVED AUTOHYDROLYSATES
Lehto, Joni Tapani - Alén, Raimo Juhani

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Carbohydrate-containing hydrolysates (1.1 to 14.9% of wood dry matter) obtained from autohydrolysis (at 130 to 150°C for 30 to 120 minutes) of birch (Betula pendula) chips prior to pulping were purified with respect to non-carbohydrate materials, without carbohydrate losses, either…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

49.

LEVULINIC ACID PRODUCTION FROM WASTE BIOMASS
Raspolli Galletti, Anna Maria - Antonetti, Claudia - De Luise, Valentina - Licursi, Domenico - Nassi, Nicoletta

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	The hydrothermal conversion of waste biomass to levulinic acid was investigated in the presence of homogeneous acid catalysts. Different cheap raw materials (poplar sawdust, paper mill sludge, tobacco chops, wheat straw, olive tree pruning) were employed as substrates. The yields…
Fecha:	2012-02-01
Recurso:	Bioresources

Recurso libre

50.

BENZYLATION AND CHARACTERIZATION OF COLD NAOH/UREA PRE-SWELLED BAMBOO
Li, Ming-Fei - Sun, Shao-Ni - Xu, Feng - Sun, Runcang

Formato:	info:eu-repo/semantics/article, info:eu-repo/semantics/publishedVersion
Enlaces:	Ball-milled bamboo was pre-swelled with a cold aqueous solution of NaOH and urea, and then reacted directly with benzyl chloride to synthesize benzylated bamboo. The effects of the molar ratio of benzyl chloride to OH groups in the bamboo (1…
Fecha:	2012-02-01
Recurso:	Bioresources