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Novel coupling agents for PVC/wood-flour composites - Shah - 2005 ...

Nov 14, 2005 ... This article presents the results of a study using chitin and chitosan, two natural polymers, as novel coupling agents for PVC/wood-flour composites. Addition of chitin and chitosan coupling agents to PVC/wood-flour composites increased their flexural strength by ~20%, their flexural modulus by ~16%, and...

Novel coupling agents for PVC/wood-flour composites

composites. Addition of chitin and chitosan coupling agents to PVC/wood-flour composites increased their flexural strength by. 20%, their flexural modulus by. 16%, and their storage modulus by. 33–74% com- pared to PVC/wood-flour composite without the cou- pling agent. Significant improvement in composite per-.

Reinforcement of rigid PVC/wood-flour composites with multi-walled ...

Reinforcement of Rigid PVC/Wood-Flour Composites with Multi-Walled Carbon Nanotubes. Omar Faruk, Laurent M. Matuana. Department of Forestry, Michigan State University, East Lansing, Michigan 48824. Multi-walled carbon nanotubes (CNT) were compounded with PVC by a melt blending process based on fusion.

Manufacture of rigid PVC/wood-flour composite foams using ...

Abstract. Relatioships between the density of foamed rigid PVC/wood-flour composites and the moisture content of the wood flour, the chemical foaming agent (CFA) content, the content of all-acrylic foam modifier, and the extruder die temperature were determined by using a response surface model based on a four-factor...

PVC/wood-flour composites compatibilized with chlorinated ...

PVC/Wood-Flour Composites Compatibilized. With C h I or i na t e d Po I y et hy I ene. VIRGINIA 0. GUFFEY Qnd AMIEL B. SABBAGH. DuPont Dow Elastomers L. L. C. 21 255 LA Highway 1. Plaquemine, LA 70765. Chlorinated polyethylene has been demonstrated to be an effective compatibilizer for dissimilar materials in...

Reinforcement of rigid PVC/wood-flour composites with multi-walled ...

May 2, 2008 ... Abstract. Multi-walled carbon nanotubes (CNT) were compounded with PVC by a melt blending process based on fusion behaviors of PVC. The effects of CNT content on the flexural and tensile properies of the PVC/CNT composites were evaluated in order to optimize the CNT content. The optimized...

Coextruded PVC/wood-flour composites with WPC cap layers - Jin ...

Oct 27, 2008 ... Abstract. Wood-plastic composites (WPCs) can absorb moisture in a humid environment owing to the hydrophilic nature of the wood, thereby making the products susceptible to microbial growth and loss of mechanical properties. In this study, rigid poly(vinyl chloride) (PVC)/wood-flour composites (core...

PVC/wood-flour composites compatibilized with chlorinated ...

Chlorinated polyethylene has been demonstrated to be an effective compatibilizer for dissimilar materials in various mixed-polymer or recycled-polymer systems. In this paper the use of chlorinated polyethylene to compatibilize polymer/natural-fiber composites is discussed. Examples of applications in PVC/wood-flour...

Composites Do Wood One Better : CompositesWorld

Composite lumber is produced with single-screw extruders, counter-rotating twin-screw extruders and custom extruder setups. A single-screw system is the least expensive type, but typically uses pre-compounded pellets (containing the plastic resin, the wood flour and additives), an added processing step which adds cost,...

Wood-plastic composite - Wikipedia

Wood-plastic composites (WPCs) are composite materials made of wood fiber/wood flour and thermoplastic(s) In addition to wood fiber and plastic, WPCs can also contain other ligno-cellulosic and/or inorganic filler materials. WPCs are a subset of a larger category of materials called natural fiber plastic composites (NFPCs)...

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