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Table of contents
I.1. INTRODUCTION
I.2. TANNIN-BASEDWOODADHESIVES
I.2.1. Tannin structure and composition
I.2.2. Tannin reaction with aldehydes
I.2.3. Acid and alkaline hydrolysis and autocondensation
I.2.4. Sulfonation
I.2.5. Chemistry and technology of industrial tannin adhesive formulations
I.3. LIGNIN-BASEDWOODADHESIVE
I.3.1. Chemical background
I.3.2. Utilization of lignin in phenol-formaldehyde (PF) wood adhesives
I.3.3. Chemical modification of lignin
I.4. SOY-BASED PROTEINADHESIVE
I.4.1. Characteristics of soy-based adhesive
I.4.2. Modification of soy protein
I.4.3. Application of soy-based adhesive in the wood panels industry
I.4.4. Conclusions
I.5. FILLERS
I.5.1. Activable fillers
I.5.2. Inert fillers
I.6. MAIN OBJECTIVES, MAINWORKANDMAIN INNOVATION
I.6.1. Main objectives and main work
I.6.2. Main characteristic and innovation of this work
I.7. REFERENCES
II.1. RESIN PREPARATIONANDMATERIALSELECT
II.1.1. Phenol-formaldehyde resin preparation and tannin extract used
II.1.2. Lignin and glyoxalation of lignin
II.1.3. Heat and pressure treatment of lignin
II.1.4. Soy flour –formaldehyde resin preparation
II.1.5. Soy flour-formaldehyde-lignin (or phenol) preparation
II.1.6. Soy flour-glyoxal preparation
II.1.7. Blending of glyoxalated glyoxalated lignin and/or soy flour with tannin or phenolic resins and pMDI
II.1.8. PUF resin preparation
II.1.9. Montmorillonite nanoclays
II.1.10. Urea-formaldehyde resins and preparation of UF/nanoclay composites
II.1.11. Preparation of PF/nanocaly composites
II.2. CHARATERISTIC OF RESINS
II.2.1. Thermomechanical analysis
II.2.2. 13C CP-MAS NMR spectra
II.2.3. FT-IR analysis
II.2.4. X-ray diffraction
II.2.5. Differential Scanning Calorimetry
II.2.6. MALDI-TOF-MS analysis
II.2.7. Particleboard manufacture and testing
II.2.8. Plywood manufacture and testing
II.3. REFERENCES
ENVIRONMENT-FRIENDLY, MIXED TANNIN/LIGNIN WOOD RESINS
III.1. INTRODUCTION
III.2. RESULTSAND DISCUSSION
III.2.1 Study on the performance of different glyoxalated lignin formulations
III.2.2. Effects of glyoxal on the glyoxalated lignin formulation
III.2.3. Effects of type of lignin on the performance of glyoxalated lignin formulation
III.2.4. Effects of pMDI on the performance of glyoxalated lignin formulation
III.2.5. Strength results of glyoxalated lignin-based particleboard
III.2.6. Effects of heat treatment on the glyoxalated lignin
III.3. CONCLUSIONS
III.4. REFERENCES
ENVIRONMENT-FRIENDLY SOY FLOUR-BASED RESINS WITHOUT FORMALDEHYDE
IV.1. INTRODUCTION
IV.2. RESULTSAND DISCUSSION
IV.2.1. Performance analysis of soy-formaldehyde resins
IV.2.2. Performance of glyoxalated soy-based adhesives
IV.2.3. Structure analysis of soy-based adhesives
IV.2.4. Effect of preparation process of particleboard on its performance
IV.2.5. Effects of glyoxal on the structure of lignin
IV.2.6. Effects of glyoxalated lignin on the performance of mix-glue
IV.3. CONCLUSIONS
IV.4. REFERENCES
INFLUENCE OF NANOCLAY ON UREA-FORMALDEHYDE RESINS FOR WOOD ADHESIVES AND ITS MODEL
V.1. INTRODUCTION
V.2. RESULTSAND DISCUSSION
V.2.1. Select of MMT
V.2.2. XRD results of MMT/UF resin system
V.2.3. DSC analysis of MMT/UF resin system
V.2.4. Influence of addition percentages of Na-MMT on resin’s performance
V.2.5. Curing characteristic study on MMT/UF resin
V.2.6. Effects of Na-MMT on the performance of plywood
V.2.7. Effects of Na-MMT on performance of particleboard
V.2.8. Comparation study of influence of Na-MMT and wheat flour on UF resin
V.2.9. Determination of addition amount of Na-MMT for UF resins
V.3. CONCLUSIONS
V.4. REFERENCES
INFLUENCE OF NANOCLAY ON PHENOLIC RESIN FOR WOOD ADHESIVES
VI.1. INTRODUCTION
VI.2. RESULTSAND DISCUSSION
VI.2.1. Effects of mixing methods of Na-MMT with PF resins on the performance of resin system
VI.2.2. XRD results of Na-MMT/PF resin system
VI.2.3. Plywood performance boned with Na-MMT/PF resin
VI.2.4. Influence of Na-MMT with different percentage on the performance of PUF resin
VI.2.5. XRD analysis of Na-MMT/PUF resin system
VI.2.6. Performance of Na-MMT/PUF resin
VI.2.7. DSC analysis of Na-MMT/PF resin
VI.2.8. Effects of MMT types on performance of PF-based plywood
VI.3. CONCLUSIONS
VI.4. REFERENCES
GENERAL CONCLUSIONS
