COATING AND PAINTING OF COATING AND PAINTING OF PLASTIC PARTSPLASTIC PARTS

Presented by:Jolienne LuchkiwMichelle Newland

Erica Smith

ObjectiveObjective

• 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

IntroductionIntroduction• History

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

Introduction continued…

• Paint vs. Surface Coating

Background and TheoryBackground 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 SurfacesPretreatment of Surfaces

• Why pretreatment is needed:– Increase adhesion strength– Remove foreign substances– Eliminate surface defects

Pretreatment of Surfaces Pretreatment of Surfaces ContinuedContinued

•Types of pretreatment:–Roughen Surface–Flame treatment–Corona discharge– UV radiation–Chemical exposure

Methods of Applications Methods of Applications

• Spraying (Atomization)– Types

• Compressed Air• Airless• Electrostatic Spray Painting

Methods of Applications Methods of Applications Continued Continued • Miscellaneous

– Brushing– Roller Application– Dipping– Rolling Coating

Types of PaintsTypes of Paints

• Multicomponent• Solvent Base• Powder Coats• Soft Paints

Types of CoatingsTypes of Coatings

• Phenolic Resins– Advantages– Disadvantages

• Vinyl Coatings– Used as dispersions or powders

Defects caused by AdditivesDefects caused by Additives

Sagging

Cissing

Shriveling

Clouding

Applications

• Car Body – Interior – Exterior

• Lawn Furniture– Powder Coated

• Window Seals• Toys

Health and Safety IssuesHealth and Safety Issues

• Volatile substances– What effect do they have?

Health and Safety Issues Health and Safety Issues ContinuedContinued

• Laws passed in the United States

ConclusionsConclusions

• Looking ahead to the future