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Tack and shear strength of hybrid adhesive systems made of phenol-formaldehyde, dextrin and fish glue, and acrylic pressure-sensitive adhesive

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Published/Copyright: August 11, 2011
Holzforschung
From the journal Volume 66 Issue 1

Abstract

The development of adhesives that have good initial adhesion (tack) that provides improved mat integrity during shape-forming of wood composites has been the subject of recent research. Hybrid adhesives were made based on thermosetting phenol-formaldehyde (PF), to which three tacky adhesives were added: high tack fish glue (FG), dextrin glue (DX) and a commercial acrylic, pressure-sensitive adhesive (PSA). Tacky adhesives were blended with PF at weight levels of 25%, 50% and 75%. The time-dependent tack development of the resulting hybrid adhesives was evaluated by means of a texture analyzer. The bond strength of adhesives was measured after curing by shear block test. PF/DX blends exhibited the highest tack during longer open times, while blends of PF and FG had low tack during shorter times. PF/PSA blends lost their bond strength completely after being heated at the curing temperature of PF. PF/FG blends did not show a significant decrease in bond strength compared to pure PF. The addition of DX had no effect on shear strength at ratios <75%.

Keywords: dextrin glue; hybrid adhesives; high tack fish glue; natural adhesives; phenol-formaldehyde; pressure-sensitive adhesive; probe tack test; shear strength; texture analyzer
Corresponding author. Composite Materials and Engineering Center, Washington State University, Pullman, WA 99164-1806, USA Phone: +1 509-335-6259 Fax: +1 509-335-5077
Received: 2011-2-5
Accepted: 2011-7-8
Published Online: 2011-08-11
Published in Print: 2012-01-01

©2012 by Walter de Gruyter Berlin Boston

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  1. Original Papers
  2. Novel paper sizing agents based on renewables. Part 5: characterization of maleated oleates by ozonolysis
  3. Polythiophene-cellulose composites: synthesis, optical properties and homogeneous oxidative co-polymerization
  4. The influence of extended mercerization on some properties of carboxymethyl cellulose (CMC)
  5. Minimizing the effect of undesirable reactions in ECF bleaching
  6. A rheological description of the water vapour sorption kinetics behaviour of wood invoking a model using a canonical assembly of Kelvin-Voigt elements and a possible link with sorption hysteresis
  7. Changes in chemistry, color, dimensional stability and fungal resistance of Pinus radiata D. Don wood with oil heat-treatment
  8. Improvement of dimensional stability of wood via combination treatment: swelling with maleic anhydride and grafting with glycidyl methacrylate and methyl methacrylate
  9. Synthesis and properties of resol-type phenol-formaldehyde resins prepared from H2SO4- and HCl-catalyzed phenol-liquefied Cryptomeria japonica wood
  10. Tack and shear strength of hybrid adhesive systems made of phenol-formaldehyde, dextrin and fish glue, and acrylic pressure-sensitive adhesive
  11. Properties of thermally modified medium-density fibreboards
  12. Carbonaceous structural changes of wood induced by microwave irradiation
  13. Development of DNA-based methods to identify CITES-protected timber species: a case study in the Meliaceae family
  14. Fungal biodegradation of genetically modified and lignin-altered quaking aspen (Populus tremuloides Michx.)
  15. The effect of fiber dimensions on fiber network activation and tensile strength
  16. Preparation of chitosan oligomers and characterization: their antifungal activities and decay resistance
  17. Cellular and topochemical characteristics of secondary changes in bark tissues of beech (Fagus sylvatica)
  18. Short Notes
  19. A study by X-ray photoelectron spectroscopy (XPS) of the chemistry of the surface of Scots pine (Pinus sylvestris L.) modified by friction
  20. Comparative termite resistance of 12 Malaysian timber species in laboratory tests
  21. Meetings
  22. 10.1515/HF.2011.185
https://doi.org/10.1515/HF.2011.132
Keywords for this article
dextrin glue; hybrid adhesives; high tack fish glue; natural adhesives; phenol-formaldehyde; pressure-sensitive adhesive; probe tack test; shear strength; texture analyzer

Articles in the same Issue

  1. Original Papers
  2. Novel paper sizing agents based on renewables. Part 5: characterization of maleated oleates by ozonolysis
  3. Polythiophene-cellulose composites: synthesis, optical properties and homogeneous oxidative co-polymerization
  4. The influence of extended mercerization on some properties of carboxymethyl cellulose (CMC)
  5. Minimizing the effect of undesirable reactions in ECF bleaching
  6. A rheological description of the water vapour sorption kinetics behaviour of wood invoking a model using a canonical assembly of Kelvin-Voigt elements and a possible link with sorption hysteresis
  7. Changes in chemistry, color, dimensional stability and fungal resistance of Pinus radiata D. Don wood with oil heat-treatment
  8. Improvement of dimensional stability of wood via combination treatment: swelling with maleic anhydride and grafting with glycidyl methacrylate and methyl methacrylate
  9. Synthesis and properties of resol-type phenol-formaldehyde resins prepared from H2SO4- and HCl-catalyzed phenol-liquefied Cryptomeria japonica wood
  10. Tack and shear strength of hybrid adhesive systems made of phenol-formaldehyde, dextrin and fish glue, and acrylic pressure-sensitive adhesive
  11. Properties of thermally modified medium-density fibreboards
  12. Carbonaceous structural changes of wood induced by microwave irradiation
  13. Development of DNA-based methods to identify CITES-protected timber species: a case study in the Meliaceae family
  14. Fungal biodegradation of genetically modified and lignin-altered quaking aspen (Populus tremuloides Michx.)
  15. The effect of fiber dimensions on fiber network activation and tensile strength
  16. Preparation of chitosan oligomers and characterization: their antifungal activities and decay resistance
  17. Cellular and topochemical characteristics of secondary changes in bark tissues of beech (Fagus sylvatica)
  18. Short Notes
  19. A study by X-ray photoelectron spectroscopy (XPS) of the chemistry of the surface of Scots pine (Pinus sylvestris L.) modified by friction
  20. Comparative termite resistance of 12 Malaysian timber species in laboratory tests
  21. Meetings
  22. 10.1515/HF.2011.185
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