Synergistic Effect of Coexisting Movable Cross-linking with Covalent Bond in Pressure Sensitive Adhesives
발표자
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초록
내용
It is important to choose a proper cross-linker to obtain appropriate mechanical properties in polymers. Before, cross-linking in polymers focused on covalent bonds from multi-functional monomers like di-acrylate, di-isocyanate etc. However, the covalent bond in polymers, e.g., elastomers, hydrogels and adhesives, have shown limitation in stretchability and chain mobility because of its strict conformation. Recently, numerous supramolecular interactions are proposed and applied as cross-linking to overcome the limitation of covalent cross-linking. Herein, we propose PSAs which have both covalent and supramolecular cross-linking. Through the coexistence, we could find a synergistic effect in the mechanical properties of PSAs.