Note on surface quality of plywood overlaid with mimosa ( Acacia mearnsii ) tannin and melamine urea formaldehyde impregnated paper: Effects of moisture content of resin impregnated papers before pressing on physical properties of overlaid panels

Abstract

The surface quality of papers impregnated with a mimosa tannin resin and a MUF resin for application as surface coating on wood panels was compared. The impregnated papers were conditioned to 23% and 10% moisture contents and pressed on to beech plywood. Moisture content of the impregnated papers before pressing was found to influence the abrasion resistance for both mimosa tannin resin and MUF resin impregnated papers. Colour measurements were carried out to relate the different paper colours to the two different moisture contents at pressing. Mimosa tannin impregnated papers at 23% moisture content had a lighter shade compared to impregnated papers with mimosa tannin resins at 10% moisture content. Impregnated papers with mimosa tannin resin gave excellent results for water vapour resistance, cross-cut test and abrasion resistance compared to papers impregnated with MUF resin according to relevant standards.

Keywords

Mimosa tannin Resin impregnated paper Surface quality Colour measurement

Get full access to this article

View all access options for this article.

References

Barnes

. 1976. Overlays for southern pine substrates. Forest Prod. J. 26 (6): 36–42.

Black

, Lutz

, Mraz

. 1976. Performance of softwood plywood during 10 years exposure to weather. Forest Prod. J. 26 (4): 24–27.

European Norm EN 438-2 . 2005a. Wood based panels – melamine faced board for interior uses – test methods. Abrasion resistance (in French).

European Norm EN 438-2 . 2005b. Wood based panels – melamine faced board for interior uses – test methods. Water vapour resistance (in French).

European Norm NF EN ISO 2409 . 1994. Paint and varnishes-cross cut test (in French).

Kandelbauer

, Tieschinger

. 2010. Dynamic mechanical properties of decorative papers impregnated with melamine formaldehyde resin. Eur. J. Wood Prod. 68: 179–187.

Kandelbauer

, Petek

, Medved

, Pizzi

, Teischinger

. 2010. On the performance of a melamine-urea formaldehyde resin for decorative paper coatings. Eur. J. Wood Prod. 68: 63–75.

Kim

. 2009. Environment-friendly adhesives for surface bonding of wood- based flooring using natural tannin to reduce formaldehyde and TVOC emission. Bioresource Technol. 100: 744–748.

Kim

, Kim

H-J

. 2006. Anti-bacterial performance of colloidal silver-treated laminate wood flooring. Int. Biodeter. Biodegr. 57: 155–162.

10.

Knight

RAG

, Doman

. 1967. Surface protection of plywood by resin-treated papers. Wood. 32 (1): 31–33.

11.

Nemli

, Usta

. 2004. Influence of some manufacturing factors on the important quality properties of melamine-impregnated papers. Build. Environ. 39: 567–570.

12.

Papadopoulou

, Hatjiissaak

, Estrine

, Marinkovic

. 2011. Novel use of biomass derived alkyl-xylosides in wetting agent for paper impregnation suitable for the wood-based industry. Eur. J. Wood Prod. 69: 579–585.

13.

Pizzi

. 1983. Wood adhesives chemistry and technology. New York: Marcel Dekker.

14.

Pizzi

. 1994. Advanced wood adhesives technology. New York/Basel/Hong Kong: Marcel Dekker.

15.

Pizzi

. 2003. Melamine-formaldehyde adhesives. In Pizzi and Mittal 2003, 653–680.

16.

Roberts

, Evans

. 2005. Effects of manufacturing variables on surface quality and distribution of melamine formaldehyde resin in paper laminates. Composites: Part A 36: 95–104.

17.

Selbo

. 1969. Performance of Southern pine plywood during five years exposure to weather. Forest Prod. J. 19 (8): 56–60.

18.

Zhou

, Pizzi

, Du

. 2012. The effect of nanoclay on melamine-urea-formaldehyde wood adhesives. J. Adhes. Sci. Technol. 26: 1341–1348.