Robust and Reversible Thermal/Electro‐Responsive Supramolecular Polymeric Adhesives via Synergistic Hydrogen‐Bonds and Ionic Junctions

Angewandte Chemie, Journal Year: 2024, Volume and Issue: unknown

Published: Oct. 25, 2024

Abstract Adhesive conducting elastomers are rising materials towards cutting‐edge applications in wearable and implantable soft electronics. Yet, engineering the conductive adhesives with robust tunable interfacial bonding strength is still its infancy stage. We herein identify a structurally novel supramolecular polymer scaffold, characterized by synergistic coexistence of hydrogen‐bonding (H−bonding) interactions electrostatic ionic junctions, endowing elastic remarkable thermal/electro‐responsive performance. H−bonding association interaction play orthogonal yet roles strong adhesive formation, serving as leveraging forces for opposing both cohesion adhesion energy. To do so, six‐arm star‐shaped random copolymers P1 , P2 strategically designed, bearing PDAP (poly(diaminopyridine acrylamide)) PThy (poly(thymine)) segments, which can form hetero‐complementary DAP/Thy association, along poly(ionic liquid)s segment: PMBT, (poly(1‐[2‐methacryloylethyl]‐3‐methylimidazolium bis(trifluoromethane)‐sulfonamide)). interaction, yield dual crosslinked polymeric networks Moreover, impact interfere configuration liberate more free DAP Thy motifs to H−bonds substrate, affording surface manner. This work demonstrates significant forward step potential devoted hybrid electronic devices.

Language: Английский

---

Interfacial Phenomena in Nanostructured Systems with Various Materials

ChemPhysChem, Journal Year: 2024, Volume and Issue: 25(6)

Published: Jan. 23, 2024

Abstract Interfacial phenomena linked to the behavior of bound water, organic solvents (co‐sorbates, dispersion media), hydrogen, methane, acids/bases, and salts various silicas, polymers, carbon materials were analyzed vs . temperature concentrations using 1 H NMR spectroscopy, differential scanning calorimetry (DSC) other methods. The material characteristics studied microscopy, infrared spectroscopy (IR), small angle X‐ray scattering (SAXS), nitrogen adsorption. Confined space effects (CSE) result in enhanced freezing point depression (FPD) stronger diminution solvent activity colligative properties liquid mixtures narrower pores. Short hydrophobic functionalities (≡Si‐CH 3 , =Si(CH ) 2 at a silica surface presence nanopores differentiation water into weakly (WAW, δ =0.2–2.0 ppm) strongly (SAW, =4–6 associated waters smaller clusters located pores unfrozen below bulk point. These are media. Hydrophobic liquids could displace inaccessible for their molecules larger than and/or broader reduce contact area between immiscible liquids. observed depend on sorbent/sorbate kinds play an important role practical applications sorbents.

Language: Английский

---

A snapshot review of the crystallization of polymer chains complexed by small molecules focusing on poly(4-vinylpyridine) systems: Opportunities and challenges

MRS Advances, Journal Year: 2024, Volume and Issue: 9(13), P. 1048 - 1057

Published: June 19, 2024

Language: Английский

---

Quadruple Hydrogen-Bonding Cross-Linked Networks Empowering Supramolecular Ionic Pressure-Sensitive Adhesives with Robustness and Response

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(13), P. 7819 - 7826

Published: July 1, 2024

Language: Английский

---

Hydrogen Bonding-Mediated Supramolecular Blend for the Fabrication of Amplitude-Controllable Surface Relief Gratings

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(14), P. 8200 - 8209

Published: July 10, 2024

Language: Английский

---