1. COATING AND PAINTING OF PLASTIC PARTS Presented by: Jolienne Luchkiw Michelle Newland Erica Smith

2. Objective To inform and educate –How to Properly Treat Surface? –Why decorate? –Advantages and Disadvantages

3. Outline I. Introduction II. Background & Theory III. Advantages/Disadvantages IV. Pretreatment V. Methods of Application/Types VI. Health Issues/Future

4. Introduction History –First paints were made 25,000 years ago –Influenced by Industrial Revolution –Purpose of paint

5. Introduction continued… Paint vs. Surface Coating

6. Background and Theory Coatings are used to: –Protect –Improve surface appearance –To meet requirements Paintings are used to: –Enhance the appearance –Provide protection

7. Advantages of Paintings and Coatings Surface protectant Application methods Usage Thermoplastic and Thermoset materials

8. Disadvantages of Paintings and Coatings Variation Pre-treatment Long term issues Stress issues Wide temperature range

9. Ways to clean surfaces Power Washing Solvent Cleaning Vapor Degreasing –Very dangerous

10. Pretreatment of Surfaces Why pretreatment is needed: –Increase adhesion strength –Remove foreign substances –Eliminate surface defects

11. Pretreatment of Surfaces Continued Types of pretreatment: –Roughen Surface –Flame treatment –Corona discharge – UV radiation –Chemical exposure

12. Methods of Applications Spraying (Atomization) –Types Compressed Air Airless Electrostatic Spray Painting

13. Methods of Applications Continued Miscellaneous –Brushing –Roller Application –Dipping –Rolling Coating

14. Types of Paints Multicomponent Solvent Base Powder Coats Soft Paints

15. Types of Coatings Phenolic Resins –Advantages –Disadvantages Vinyl Coatings –Used as dispersions or powders

16. Defects caused by Additives Sagging Cissing Shriveling Clouding

17. Applications Car Body –Interior –Exterior Lawn Furniture –Powder Coated Window Seals Toys

18. Health and Safety Issues Volatile substances –What effect do they have?

19. Health and Safety Issues Continued Laws passed in the United States

20. Conclusions Looking ahead to the future