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

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

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

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

Introduction continued… Paint vs. Surface Coating

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

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

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

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

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

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

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

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

Types of Paints Multicomponent Solvent Base Powder Coats Soft Paints

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

Defects caused by Additives Sagging Cissing Shriveling Clouding

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

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

Health and Safety Issues Continued Laws passed in the United States

Conclusions Looking ahead to the future