WATERBASED POLYESTER COATINGS FOR CHLORINATED POLYOLEFIN PRIMED POLYPROPYLENE

UNIVERSITY OF MISSOURI- ROLLA


W. L. Dechent
J. M. Land
J. O. Stoffer


email to Jim Stoffer (jstoffer@umr.edu)

Other questions requiring Eastman personal, please direct to
Jonathan Lawniczak, Coatings Laboratory, 615.229.5762



THE SLIDES PRESENTED AT THE 1994 WATERBORNE SYMPOSIUM ARE SHOWN BELOW


  1. - Title Slide



  2. - Outline



  3. - What is CPO?



  4. - Why paint plastic?



  5. - Surface Energy Considerations



  6. - Methods of Improving Adhesion



  7. - Why do we need CPO?



  8. - The Peel Test



  9. - Different Cloth Peel Tests

    1. Paint/CPO/Plastic- A paint soaked cloth is placed on CPO treated plastic
    2. CPO/Plastic- A CPO soaked cloth is placed on plastic
    3. Paint/Paint- Two cloths are soaked in paint and put together
    4. CPO/CPO- Two cloths are soaked in CPO and put together


  10. - Failure of High Strength Samples



  11. - Effects of Heat Cycle



  12. - Possible Paint/CPO Interactions



  13. - Time Temperature Superposition, WLF Theory Applied to Heat Cycle

  14. - Materials- materials used for previous research



  15. - Materials- materials used for UPE



  16. - Components of the Unsaturated Polyester

  17. - CPO Soaked Cloth/ TPO Systems

  18. - Diffusion could be CPO into plastic or CPO/CPO annealing



  19. - CPO/CPO Two Cloth Peel Test



  20. - Observed Modes of Failure



  21. - Effect of Anhydride Functionality

  22. - IR Test of Covalent Bonding

  23. - Infrared Spectra



  24. - Acetone UPE/ CP 310w/ TPO SEM



  25. - Acid vs. Anhydride



  26. - Effect of Acid Content



  27. - Effect of Heat Cycle on Cohesive Paint Strength, Unsaturated Polyester



  28. - Peel Strength vs. Peel Speed



  29. - WUPE vs. ABUPE Peel Strength



  30. - Conclusions



  31. - Second Conclusions Slide



  32. -We're on the web



  33. - Thanks to Missouri Department of Economic Development



  34. - Special Thanks to the Eastman Chemical Company





    Slide Thirteen- 2nd Heat Cycle Restores CPO COHESIVE STRENGTH