Principles of Wood Science and Technology II Wood Based Materials [Paperback]

1. Adhesion and Adhesives for Wood.- 1.0 General Considerations about Gluing.- 1.1 Physical-Chemical Principles of Gluing.- 1.1.1 Cohesion and Adhesion.- 1.1.2 Intermolecular Forces, Polarity.- 1.1.3 Influence of Temperature, Concentration and Amount of Polymerization.- 1.1.4 Influence of pH Value on the Hardening of Glue Joints.- 1.1.5 Colloidal State of Wood Glues, Sols and Gels.- 1.1.6 Rheology of Glues.- 1.1.7 Phenomena of Hardening.- 1.1.8 Fortifying (Upgrading), Filling, Extending of Glues for Wood.- 1.2 Strength Improvement and Stresses in Glue Joints.- 1.3 Testing of Glue Joints.- 1.4 Summarized Results of Tests for Various Glues.- 1.5 Effect of Wood Species and Moisture Content on the Strength of Glue Joints.- 1.6 Pretreatment of Wood Prior to Gluing.- 1.7 Glue Spreading.- 1.8 Pressing of Glued Parts and of Laminated Wood.- 1.9 Difficulties and Defects in Gluing 2S.- 1.10 Natural Glues.- 1.10.1 Starches, Dextrins and Natural Gums.- 1.10.2 Protein Glues.- 1.10.2.1 Animal Glues, Manufactured from Hide, Sinews, Bones.- 1.10.2.2 Casein Glues.- 1.10.2.3 Blood Albumin Glues.- 1.10.2.4 Soyahean (or Soybean) Glues and Peanut-Meal Glues.- 1.10.3 Shellac.- 1.10.4 Asphalt (Bitumen) and Mastic.- 1.10.5 Natural and Synthetic Rubber (Neoprene).- 1.10.6 Glues on Cellulose Basis.- 1.10.6.1 Cellulose Acetates.- 1.10.6.2 Cellulose Esters.- 1.10.7 Silicate of Soda.- 1.11 Synthetic Glues.- 1.11.0 General Considerations.- 1.11.1 Phenol-Formaldehyde Resin Glue.- 1.11.1.1 History of Phenolic Resin Glues.- 1.11.1.2 Manufacture and Chemistry of Phenol-Formaldehyde Resins.- 1.11.1.3 Application of Phenolic Resin Glues.- 1.11.1.4 Properties of Phenolic Resin Glue Joints.- 1.11.2 Resorei nol -Formaldehyde Adhesives.- 1.11.3 Urea-Formaldehyde Resin Adhesives.- 1.11.3.1 History of Urea Resin Glues.- 1.11.3.2 Manufacture and Chemistry of Urea-Formaldehyde Glues.- 1.11.3.3 Hardening of Urea-Formaldehyde Resins.- 1.11.4 Melamine-Formaldehyde Resin Adhesives.- 1.11.4.1 History, Chemistry, als{