Effects of Filling Rate and Resin Concentration on Pore Characteristics and Properties of Carbon Based Wood Ceramics

Abstract

As a kind of novel porous ceramics, wood ceramics can be used for filtration, friction, energy storage and electrode materials, etc. In current work, the carbon based wood ceramics (C WCMs) was prepared using pine wood powder and phenolic resin as starting materials. The effects of filling rate of wood powder and resin concentration on pore characteristics and properties of C WCMs were characterized and analyzed with different techniques. Furthermore, the association among porosity of C WCMs, filling rate of wood powder and resin concentration was explored with multiple regression model. The results showed that: increasing the resin concentration and the filling rate of wood powder can improve the mechanical properties of C WCMs, but reduce the porosity and air permeability; when resin concentration is more than 50%, a large amount of caking will appear in the C WCMs, causing internal defects; changing the filling rate under a certain resin concentration can obtain the C WCMs with better pore structure; the porosity of C WCMs has a good linear relationship with resin concentration and filling rate, under the condition that sintering process and the size of wood powder are determined.

Injection Molding Condition Effects on the Mechanical Properties of Coconut-Wood-Powder-Based Polymer Composite

“…WP can also be combined with some polymers to create a wood-based composite [8][9][10][11]. WP can also be mixed with ceramics to generate ceramic composites [12][13][14][15][16].…”

Effects of Wood Content and Modification on Properties of Wood Flour/Polybutylene Adipate Terephthalate Biocomposites

“…As the by-product of the wood industry, wood flour (WF) is one of the abundant and renewable industry residues, it is cheap, light, biodegradable and easily available, and it also has a high strength-to-weight ratio; for these reasons, WF has been widely introduced into both thermosetting and thermoplastic polymers to form composites. The thermosetting polymers concerned included unsaturated polyester resin [5,6], epoxy resin [7,8], phenolic resin [9,10] and polyurethane [11,12]; the thermoplastic polymers included some traditional undegradable polymers, such as polypropylene [13,14], polystyrene [15,16], polyethylene [17,18], acrylonitrile butadiene styrene (ABS) [19,20] and polyvinyl chloride [21,22]; and some degradable polymers, such as polylactic acid (PLA) [23,24], polyhydroxyalkanoates (PHA) [25,26], polycaprolactone (PCL) [27,28] and poly(butylene succinate) (PBS) [29,30], were also included. The incorporation of WF had obvious effects on the properties of the polymers; however, no definite changing rules were suitable for all kinds of WF/polymer composites.…”