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Substitution of cobalt driers in wood coatings

Contents

Sammenfatning og konklusioner

• Baggrund og formål
• Undersøgelsen
• Hovedkonklusioner
• Projektresultater
  • Screening
  • Andre råvarers indflydelse på tørring og film
  • Resultater fra den tekniske evaluering af produkter
  • Miljø og arbejdsmiljø spørgsmål
  • Fremtiden

1 Introduction

2 Parameters with importance to drying

• 2.1 Solvent
  • 2.1.1 Theoretical evaluation of Initial drying mechanisms
• 2.2 Alkyds
  • 2.2.1 Oil type
  • 2.2.2 Oil length
  • 2.2.3 Molecular weight
  • 2.2.4 Ortho- or isophthalic acid
  • 2.2.5 Hydroxyl- and acid value
• 2.3 Driers
  • 2.3.1 Primary driers
  • 2.3.2 Secondary driers
  • 2.3.3 Drying accelerators

3 Contact to manufactures

• 3.1 Binders
• 3.2 Driers

4 Evaluation of drying properties as a function of alkyd and primary drier

• 4.1 Alkyds
• 4.2 Driers
  • 4.2.1 Primary driers
  • 4.2.2 Secondary driers
  • 4.2.3 Organic accelerators
• 4.3 Screening tests
  • 4.3.1 Test systems
  • 4.3.2 Tests
• 4.4 Screening results
  • 4.4.1 Handling of data
  • 4.4.2 Drying time - results
  • 4.4.3 Test with accelerators
  • 4.4.4 Conclusions

5 Evaluation of drying properties in wood coating prototypes

• 5.1 Test methods
• 5.2 Choice of systems
  • 5.2.1 Driers
  • 5.2.2 Binders
  • 5.2.3 Solvent
  • 5.2.4 Types of coatings
• 5.3 Influence of additives and pigments
• 5.4 Evaluation of drying properties
  • 5.4.1 Drying Time
  • 5.4.2 Loss of dry
  • 5.4.3 Tackiness
  • 5.4.4 Hardness
  • 5.4.5 Yellowing - colouring of the film

6 Conclusion

7 References

Appendix A - Statistical analysis of 26-3 fractional factorial designs

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Version 1.0 August 2006, © Danish Environmental Protection Agency