The Effect of Cellulose Nanocrystal Reassembly on Latex-Based Pressure-Sensitive Adhesive Performance
In this study, carboxylated CNCs (cCNCs) were incorporated into a seeded, semibatch, 2-ethylhexyl acrylate/methyl methacrylate/styrene emulsion polymerization and cast as pressure-sensitive adhesive (PSA) films. The addition of CNCs led to a simultaneous increase in tack strength, peel strength, and shear adhesion, avoiding the typical trade-off between the adhesive and cohesive strength. Increased CNC reassembly resulted from the use of dried, redispersed, and sonicated cCNCs, along with increased cCNC loading and addition of the cCNCs at the seed stage of the polymerization. The increased degree of CNC reassembly was shown to significantly increase the shear adhesion by enhancing the elastic modulus of the PSA films.PMID:38648261 | DOI:10.1021/acs.biomac.4c00138
Source: Biomacromolecules - Category: Biochemistry Authors: Parisa Bayat Kelly M Meek Maryam Movafagh Emily D Cranston Michael F Cunningham Pascale Champagne Timothy Morse Michael V Kiriakou Sean R George Marc A Dub é Source Type: research