Correlation between Surface Energy and Adhesion Force of Polyethylene/Paperboard: A Predictive Tool for Quality Control in Laminated Packaging

Figure 2

Effect of starch application and flame treatment on contact angle of water on the bottom surface of the paperboard (brown side): A: with starch/with flame treatment; B: with starch/without flame treatment; C: without starch/with flame treatment; D: without starch/without flame treatment.