Adhesion of liquid-crystalline polymer systems to substrates of varied roughness
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Evolution of the adhesion behavior of a liquid crystalline system under various conditions of the adhesion joint formation was studied. A blend of hydroxypropyl cellulose with propylene glycol was selected as a model liquid crystalline system. Influence of the substrate roughness on the adhesion of the liquid crystalline systems was studied for the first time. It was found out that the roughness influence on the adhesion characteristics of the systems studied was much more pronounced than in case of the common pressure-sensitive adhesives. High values of the debonding energies for the systems studied (up to 280–330 J/m2) were obtained. These values are similar or even exceed the values obtained for the common pressure-sensitive adhesives.
KeywordsContact Force Polymer Science Series Adhesive Joint Hydroxypropyl Cellulose Pressure Sensitive Adhesive
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