Permanent hydrophilic coating for baby diapers topsheet

Project description:

customer requested special surface treatment of the diaper’s top sheet that will substantially improve urine wicking through topsheet


  • price, price, price
  • treatment should be permanent
  • should work at high production speed
  • more than 20 additional requirements


  • Different coating chemistries were evaluated
  • Different application methods were tested (spray, kiss-roll, etc…)
  • Pilot machine that simulate customer coating line was build
  • Suitable coating was found and implemented

Project duration:

3 years