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: Paintings 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 Vinyl Coatings Advantages
Disadvantages
Vinyl Coatings
Used as dispersions or powders

16. Defects caused by Additives
Cissing
Clouding
Sagging
Shriveling

17. Applications Car Body Lawn Furniture Window Seals Toys 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