adhesives & cements

Adhesives & Cements

Justin BrandtMatt KlimchakRyan Smith

Objective

Brief Overview of Adhesives

Overview History Types Chemical Structure Applications Advantages / Disadvantages Properties

Overview Process Major Suppliers Costs Conclusion

History First Forms – Tree Sap & Tar Egyptians

2000 BC – Glue Romans

Veneering & Marquetry First Caulking

History Genghis Khan

Weaponry Antonio Stradivari

Violins Holland

First Manufactures British

First Patent

Types Acrylics Epoxies Urethanes Cyanoacrylates Hot Melts Labeling Adhesives

Contact Cements Anaerobics UV Curables Emulsion Sealants Specialty Adhesives

Chemical Structure

Epoxies

Applications Automotive Building & Civil Engineering Carpentry Flexible Packaging Footwear

Applications General Industry Insulated Glazing Rubbercrumb Sandwich Construction

Application Chart

Advantages Great Flexibility No Stress Concentrations Weight Reduction More Elegant Appearance Vibration Damping Stronger & Stiffer Structures

Advantages Accuracy Bond is Continuous Joining Dissimilar Materials Delays Corrosion Improved Fatigue Resistance Easily Automated

Disadvantages Durability of Joint Limited Inspection Techniques Change in Temperatures Limited Bond Time Difficult to Un-bond Preparation Environmental Considerations

Special Considerations Ability to Wet the Plastic Chemical & Physical Interaction Stress Cracking

Anneal Parts Avoid Squeezing Fast-Curing Adhesives Unfilled Amorphous Materials

Properties High Tensile Strength: up to 45MPa Low Peel Strength: 1.8kg/mm Chemical Resistance

Acids, Bases, Salts, & Solvents Low Shrinkage

Properties Temperature: 150 - 250 °C Cure Temperatures: 20 - 150 °C

Depends on Grade Good Mechanical Properties: -250 - 260 °C

Process of Applying the Adhesive Prepare Surface

Wetting Surface Cleaning Chemical Etching Flame Treatment Corona Treatment Plasma Treatment Coupling Agents Mechanical Abrasion

Process of Applying the Adhesive Apply Adhesive Apply Clamping Force Allow for Cure Time

Equipment Automated or Hands-on

UV Light Electron Beam Brush Heat Gun Spray

Major Suppliers Alcoa BASF Bayer BF Goodrich

Dow Goodyear Huntsman 3M

CostsEpoxy Volume 1 Volume 2

Compounds, Coils, Bushings 105-152 --

Compounds, Resistors, diodes -- 227-286

GP 100-112 --

Semi Conductor Anhydride -- 214-297

Semi Conductor Novolac -- 212-246

*Volume 1 = 2 - 5 Million Pounds      

*Volume 2 = 200000lbs - 500000 lbs      

*All Prices in Cents        

Conclusion Niche Market

Packaging Textiles Civil Engineering Tapes & Labels Construction Motor Vehicles

Adhesives are Everywhere