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Forest Products Laboratory
One Gifford Pinchot Drive
Madison, WI 53726-2398
Phone: (608) 231-9200
Fax: (608) 231-9592


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Engineered Composites Science

Project Title :  Improve performance, durability & value of existing composites; develop next generation wood or wood-derived composites.
Project Number : FPL-4706-2B
Status : NEW
Start Date : 10-01-2012
End Date : 09-30-2019

View the 100 publications associated with this project.

Zhiyong CaiPrincipal Investigator:
Zhiyong Cai

Non Technical Summary
We will use new, high-performance materials such as nanocrystalline cellulose or other nanomaterials coupled with new processes to enhance composite usage and performance. These advanced biocomposites will have performance characteristics that are greater than conventional composites through the use of new advances in technology. For example, we are just beginning to explore nanoparticles and nano-scale surface preparations that will be critical to the development of these next-generation biocomposites. The next generation of advanced engineered biocomposites will provide construction materials and building products that exceed current expectations (e.g., lower cost, more adaptable, more reliable, lower maintenance, smarter) while opening new markets (e.g., commercial and non-residential construction, automotive, aerospace, etc.) and reducing effects on the environment (e.g., air quality, water, and waste).Some of the opportunities offered by new advanced composites and nano-materials include optimized performance, minimized weight and volume, and cost effectiveness resistance to fatigue, chemicals, insects, heat and biodegradation. Composites can also be designed for specific end-performance characteristics by incorporating a wide variety of additives, resins, agricultural fibers, inorganic materials, non-wood synthetics, or three-dimensional design. As we gain an understanding of the fundamentals of raw materials and processing there is a need to identify and quantify ways to improve the performance, durability and value of composites. Thus, we must improve the performance, durability and value of existing composites and develop the next generation of composites containing wood or wood derived materials.

Objectives Summary
A. Composite evaluation and characterization.B. Improve the performance of wood-based composites.C. Develop new composites.

Approach Summary
A. Composite evaluation and characterization:1) Extend fundamental knowledge of the mechanisms of wood composite failure to ensure long-term durability (e.g., fire-, decay-, insect-, creep-, fatigue-, moisture-, and UV-resistance).2) Develop manufacturing, performance, and design standards for wood-based composites.3) Evaluate the physical and mechanical properties of cellulose nanocomposites, especially for use in novel applications.B. Improve the performance of wood-based composites composites: 1) Evaluate surface treatment methods such as coating as a method to improve durability. 2) Develop treatment methodologies to improve weathering and the fire-, decay-, insect-, and moisture-resistance of composites.3) Apply nanotechnology to expand the potential applications of wood-based composites.C. Develop new composites:1) Develop new cellulose nanocomposites with advanced performance. 2) Combine wood composites with advanced materials such as metal or synthetic fibers. 3) Develop value-added composites using co-products from biorefinery processes.4) Reinforce polymers with continuous fibers from nanocellulose.5) Investigate the feasibility of wood/biofiber composites made with innovative binder systems such as biobased, foaming, inorganics, etc. and/or new curing technologies.

Publications associated with this Project

Publication YearTitleDate Posted
2017A composite generator film impregnated with cellulose nanocrystals for enhanced triboelectric performance08/24/17
2017A freestanding cellulose nanofibril–reduced graphene oxide–molybdenum oxynitride aerogel film electrode for all-solid-state supercapacitors with ultrahigh energy density09/27/18
2017Accelerated aging of preservative-treated structural plywood09/05/17
2013Catalytic conversion wood syngas to synthetic aviation turbine fuels over a multifunctional catalyst09/26/14
2012Catalytic upgrading nitrogen-riched wood syngas to liquid hydrocarbon mixture over Fe-Pd/ZSM-5 catalyst09/26/14
2016Cellulose nanocrystals as barrier performance enhancer of extrusion-blown PLA films for food applications09/26/16
2013Chapter 1.1 Drying Cellulose Nanocrystal Suspensions09/16/13
2013Chapter 13:Wood/Nonwood Thermoplastic Composites01/04/13
2013Chapter 2.1 Drying Cellulose Nanofibril Suspensions09/18/13
2013Chapter 2.1 Integrated Production of Cellulose Nanofibrils and Cellulosic Biofuel by Enzymatic Hydrolysis of wood Fibers09/26/13
2013Chapter 2.3 Cellulose Nanofibril Composite Substrates for Flexible Electronics09/18/13
2015Chapter 20: The use of wood fibers as reinforcements in composites05/28/15
2014Chapter 6: Above Ground Deterioration of Wood and Wood-Based Materials02/11/15
2014Chemical Modification of Kraft Lignin: Effect on Chemical and Thermal Properties08/27/14
2017Chemically functionalized natural cellulose materials for effective triboelectric nanogenerator development09/21/18
2013Chemically imaging the effects of the addition of nanofibrillated cellulose on the distribution of poly(acrylic acid) in poly(vinyl alcohol)04/02/13
2018Colemanite: a fire retardant candidate for wood plastic composites04/17/18
2015Comparison of Wood Composite Properties Using Cantilever-Beam Bending08/05/16
2017Cone calorimeter evaluation of reinforced hybrid wood-aluminum composites08/29/18
2014Decay resistance of wood-plastic composites reinforced with extracted or delignified wood flour07/29/14
2016Determining shear modulus of thin wood composite materials using a cantilever beam vibration method09/26/16
2014Dimensional stability of wood-plastic composites reinforced with potassium methyl siliconate modified fiber and sawdust made from beetle-killed trees08/14/14
2018Dispersing and stabilizing cellulose nanoparticles in acrylic resin dispersions with unreduced transparency and changed rheological property10/02/19
2017Effect of compounding approaches on fiber dispersion and performance of poly(lactic acid)/cellulose nanocrystal composite blown films09/15/17
2012Effect of Material Parameters on Mechanical Properties of Biodegradable Polymers/Nanofibrillated Cellulose (NFC) Nano Composites05/08/13
2017Effect of processing parameters on the synthesis of lignin-based graphene-encapsulated copper nanoparticles09/24/18
2017Effects of density, cellulose nanofibrils addition ratio, pressing method, and particle size on the bending properties of wet-formed particleboard10/05/17
2019Efficient conversion of lignin waste to high value bio-graphene oxide nanomaterials08/30/19
2016Endoglucanase post-milling treatment for producing cellulose nanofibers from bleached eucalyptus fibers by a supermasscolloider07/15/16
2017Evaluating the effect of wood ultrastructural changes from mechanical treatment on kinetics of monomeric sugars and chemicals production in acid bisulfite treatment02/22/19
2016Evaluation of physical structural features on influencing enzymatic hydrolysis efficiency of micronized wood10/06/17
2013Fabrication and Characterization of Polyvinyl Alcohol (PVA)/Nanofibrillated Cellulose (NFC) filaments01/03/13
2018Facile Preparation of Cellulose/Polylactide Composite Materials with Tunable Mechanical Properties09/27/18
2015Facile preparation of optically transparent and hydrophobic cellulose nanofibril composite films10/05/17
2015Fatigue behavior of wood-fiber-based tri-axial engineered sandwich composite panels (ESCP)09/08/16
2013Fe-catalyzed thermal conversion of sodium lignosulfonate to graphene09/25/14
2013Fire performance of fiber board coated with nano kaolin-clay film09/10/13
2017Flammability properties and radiant fraction of FRT wood plastic composites using mass loss calorimeter under HRR hood10/06/17
2013Flexible cellulose nanofibril composite films with reduced hygroscopic capacity06/28/13
2014Green Synthesis of polyvinyl alcohol (PVA)-cellulose nanofibril (CNF) hybrid aerogels and their use as superabsorbents09/26/14
2014High Strength Wood-based Sandwich Panels reinforced with fiberglass and foam12/22/14
2017Impact performance of two bamboo-based laminated composites10/06/17
2016Improved fatigue performance for wood-based structural panels using slot and tab construction03/22/17
2018Improvement of enzymatic digestibility of wood by a sequence of optimized milling procedures with final vibratory tube mills for the amorphization of cellulose09/06/19
2013Integrated Study of the Potential Application of Remediated CCA Treated Spruce Wood in MDF Production07/26/13
2016Introduction to the special issue on nanocellulose composites10/06/17
2014Laboratory investigation of fire protection coatings for creosote-treated timber railroad bridges06/09/14
2017Long term durability of wood-plastic composites made with chemically modified wood09/27/17
2016Low temperature synthesis of graphene-encapsulated copper nanoparticles from kraft lignin02/22/19
2013Magnetic separation of carbon-encapsulated Fe nanoparticles from thermally-treated wood char09/25/14
2019Mass production of graphene materials from solid carbon sources using a molecular cracking and welding method09/06/19
2016Measurement of Dynamic Viscoelasticity of Full-Size Wood Composite Panels Using a Vibration Testing Method07/28/16
2013Melt Compounding of Poly (3-hydroxybutyrate-CO-3-hydroxyvalerate) (PHBV) / Nanofibrillated Cellulose (NFC) Nanocomposites: Properties and Solubility of Carbon Dioxide08/26/13
2013Melt compounding of poly (3-hydroxybutyrate-co-3-hydroxyvalerate)/nanofibrillated cellulose nanocomposites07/17/13
2015Microwave flexible transistors on cellulose nanofibrillated fiber substrates01/07/16
2018Moisture and oxygen barrier properties of cellulose nanomaterial-based films08/31/18
2014Moisture Performance of wood-plastic composites reinforced with extracted and delignified wood flour09/16/14
2017Nanocomposites from lignin-containing cellulose nanocrystals and poly(lactic acid)09/13/17
2013Nondestructive Measurement of Dynamic Modulus for Cellulose Nanofibril Films10/24/13
2018Novel micronized woody biomass process for production of cost-effective clean fermentable sugars09/06/19
2015Oriented polyvinyl alcohol films using short cellulose nanofibrils as a reinforcement09/28/16
2017Orthogonal model and experimental data for analyzing wood-fiber-based tri-axial ribbed structural panels in bending03/23/17
2018Performance of high lignin content cellulose nanocrystals in poly(lactic acid)05/30/18
2015Physical and Mechanical Properties of Cellulose Nanofibril Films from Bleached Eucalyptus Pulp by Endoglucanase Treatment and Microfluidization09/25/15
2015Poly(vinyl alcohol)/cellulose nanofibril hybrid aerogels with an aligned microtubular porous structure and their composites with polydimethylsiloxane09/26/16
2013Polyvinyl alcohol (PVA)-cellulose nanofibril (CNF)-multiwalled carbon nanotube (MWCNT) hybrid organic aerogels with superior mechanical properties01/30/14
2013Polyvinyl Alcohol-Cellulose Nanofibrils-Graphene Oxide Hybrid Organic Aerogels07/16/13
2013Potassium methyl siliconate-treated pulp fibers and their effects on wood plastic composites: Water sorption and dimensional stability09/18/13
2014Properties of wood-plastic composites (WPCs) reinforced with extracted and delignified wood flour08/04/14
2015Rational synthesis of zerovalent iron/bamboo charcoal composites with high saturation magnetization10/06/17
2015Reinforced hybrid wood-aluminum composites with excellent fire performance06/05/15
2014Reinforcing Natural Rubber with Cellulose Nanofibrils Extracted from Bleached Eucalyptus Kraft Pulp12/22/14
2013Resin impregnation of cellulose nanofibril films facilitated by water swelling07/03/13
2015Self-assembled optically transparent cellulose nanofibril films: effect of nanofibril morphology and drying procedure04/01/15
2014Short Cellulose Nanofibril/Polyvinyl Alcohol Nanocomposite Fibers09/17/14
2014Short cellulose nanofribrils as reinforcement in polyvinyl alcohol fiber09/25/14
2013Short-time ultrasonication treatment in enzymatic hydrolysis of biomass09/25/14
2016Simplified analytical model and balanced design approach for light-weight wood-based structural panel in bending03/23/17
2012Spectroscopic analysis of the role of extractives on heat-induced discoloration of black locust (Robinia pseudoacacia)09/27/12
2018Spin-coating: a new approach for improving dispersion of cellulose nanocrystals and mechanical properties of poly (lactic acid) composites08/31/18
2014Static and Dynamic Characterization of Cellulose Nanofibril Scaffold-Based Composites03/26/14
2016Synthesis of polyvinyl alcohol/cellulose nanofibril hybrid aerogel microspheres and their use as oil/solvent superabsorbents09/24/18
2018Synthetic bio-graphene based nanomaterials through different iron catalysts09/26/19
2017Technical note: stress analysis of cellulosic-manure composites10/05/17
2018Techno-economic analysis of forest residue conversion to sugar using three-stage milling as pretreatment10/02/19
2017Temperature and copper concentration effects on the formation of graphene-encapsulated copper nanoparticles from kraft lignin09/21/18
2015Testing and evaluation of a slot and tab construction technique for light-weight wood-fiber-based structural panels under bending03/17/17
2012The Manufacturing Process of Bamboo Pellets01/20/15
2013The properties of pellets from mixing bamboo and rice straw09/26/14
2017The use of new, aqueous chemical wood modifications to improve the durability of wood-plastic composites07/05/17
2014Thermal and Mechanical Properties of Natural Rubber Composites Reinforced with Cellulose Nanocrystals from Southern Pine09/24/14
2014Thermal behavior of extracted and delignified pine wood flour08/04/14
2012Thermal Conversion of Pine Wood Char to Carbon Nanomaterials in the Presence of Iron Nanoparticles08/14/13
2016Triboelectric nanogenerators and power-boards from cellulose nanofibrils and recycled materials10/01/18
2013USDA Forest Products Laboratory's Debris Launcher08/16/13
2016Weathering characteristics of wood plastic composites reinforced with extracted or delignified wood flour09/22/16
2019Wet compounding of cellulose nanocrystals into polylactic acid for packaging applications09/27/19
2012Wood Composite Laminates01/20/15
2012Wood-Based Composite Board01/20/15
2014Wood-based Tri-Axial Sandwich Composite Materials: Design, Fabrication, Testing, Modeling and Application09/15/15

Project Summaries last modified: 08-22-2018