Influence of surface and bulk structures of acrylic PSA films onto their tack properties

The impact of nanoscale chemical features on micron-scale adhesion: Crossover from heterogeneity-dominated to mean-field behavior

“…For instance impurities on mineral surfaces often dictate aggregation [15][16][17][18], while small chemical features on polymer surfaces control contact angle and wetting [19][20][21], produce membrane fouling [22,23], enhance engineering adhesion [8,24,25], and determine biomaterial effectiveness [26][27][28][29][30]. Intracellular surface heterogeneities even govern biological processes such as the initial phases of leukocyte adhesion [31,32].…”

Design of Nanostructured Waterborne Adhesives with Improved Shear Resistance

“…The influence of particle morphology on adhesive performance has already been studied by Aymonier et al20–22 However, no special effort to control molecular weight and gel fraction of both phases was made, and in that case not much improvement was obtained using a heterogeneous morphology or a gradient composition compared to a homogeneous one. The heterogeneous structure of Aymonier et al21 shows e.g., a lack of adhesion and cohesion probably because the composition of each phase, outer and within the particle, is not optimized for this type of structure.…”

Probing particle structure in waterborne pressure-sensitive adhesives with atomic force microscopy

“…There is a much smaller body of work to correlate the molecular architecture and nanostructure of waterborne colloidal films with their adhesion properties. [15,16,17,18] In waterborne PSAs, the distribution and migration of small molecules, especially surfactants, [7,9,19] has been correlated with poor waterborne adhesive performance and is of special interest. Greater understanding of surfactant distribution normal to the film surface has been obtained recently from modelling [20] Published in Journal of Colloids and Interface Science (2007) 307, 56-63 5 and experiment [21].…”