Abstract In this paper, nitrogen‐coordinated boroxines are exploited for the fabrication of self‐healing and recyclable polymer composites with enhanced mechanical properties. The 3D networks cross‐linked first synthesized through trimerization ortho ‐aminomethyl‐phenylboronic acid groups at terminals poly(propylene glycol) (PPG) chains, subsequently, mechanically robust fabricated by utilizing complexation boroxine‐containing PPG (N‐boroxine‐PPG) poly(acrylic acid) (PAA) hydrogen‐bonding...

The SEI-like structure coating can combine the advantages of each component and give sufficient mechanical stability to coating. establishment fast Zn 2+ migrating pathway supports cycling anode at large current capacity.

Abstract Aqueous zinc‐metal batteries are considered to have the potential for energy storage due their high safety and low cost. However, practical applications of zinc limited by dendrite growth side reactions. Epitaxial is an effective method stabilizing Zn anode, especially manipulating (002) plane deposited zinc. texture difficult achieve stable cycle at capacity its large lattice distortion uneven electric field distribution. Here, a novel anode with highly (101) (denoted as (101)‐Zn)...

High-performance elastomers have gained significant interest because of their wide applications in industry and our daily life. However, it remains a great challenge to fabricate simultaneously integrating ultra-high mechanical strength, toughness, excellent healing recycling capacities. In this study, ultra-strong, healable, recyclable are fabricated by dynamically cross-linking copolymers composed rigid polyimide (PI) segments soft poly(urea-urethane) (PUU) with hydrogen bonds. The...

Recycling of carbon fiber-reinforced polymer composites (CFRCs) based on thermosetting plastics is difficult. In the present study, high-performance CFRCs are fabricated through complexation aromatic pinacol-cross-linked polyurethane (PU-AP) thermosets with fiber (CF) cloths. PU-AP exhibit a breaking strength 95.5 MPa and toughness 473.6 MJ m

A novel Lewis acid–base bifunctional Zn(II)-based MOF-Zn-1 [Zn2L2MA·2DMF] (MA = melamine, H2L 2,5-thiophenedicarboxylic acid), with abundant micropores and free -NH2 groups was facilely assembled by incorporating zinc(II) ion nitrogen-rich melamine acid ligands. The constructed presented an excellent affinity toward CO2 molecules due to the Lewis-base property together micropores. Zn active sites could be used for epoxide activation. synergistic effects facilitated conversion into cyclic...

A periodic mesoporous organosilica with a basic urea-derived framework (PMO-UDF) was prepared and characterized thoroughly. The PMO-UDF showed an enhanced CO2 capture capacity at low pressure (≤1 atm) exceptional catalytic activity in coupling reactions various epoxides to yield the corresponding cyclic carbonates under mild conditions because of presence high surface area, pyridine units, multiple hydrogen-bond donors. highly stable catalyst could be reused least six successive times...

Abstract High‐performance engineering polymers (HPEPs) are mechanically robust but difficult to be processed and recycled. Aiming solve such a problem, herein, supramolecular thermosets with high mechanical strength comparable HPEPs fabricated by dynamically cross‐linking low‐molecular‐weight poly(aryl ether ketone)s (PAEKs) boroxines (denoted as PAEK‐B 3 O ). The solution‐processable, thermally stable, recyclable. By tailoring the molecular weight ( M n ) of PAEK, can exhibit tensile from...

Abstract Metallic zinc as a promising anode material of aqueous ion batteries is always impeded by some irreversible issues, such dendrite growth, hydrogen evolution, and parasitic reaction, which severely affect the cycling stability coulombic efficiency. Herein, membrane SO 4 2‐ receptors constructed on Zn (denoted SR). The SR acts sulfate receptor to capture , resulting negatively charged coating can effectively disperses 2+ promote uniform deposition enhance mobility stabilize...

Conventional plastics are usually incinerated or dumped in landfills and oceans after usage, leading to a considerable waste of resources severe environmental pollution. Closed-loop recycling an energy-saving easy-to-conduct way remains ongoing challenge. Herein, closed-loop recyclable supramolecular with high mechanical robustness excellent thermal stability fabricated via dynamically cross-linking phenylboronic acid-terminated poly(aryl ether ketone) oligomers small organic molecules...

Although closed-loop recycling of dynamic covalent bond-based plastics does not require catalysts, their mechanical strength and chemical stability remain a major concern. In this study, recyclable poly(aryl imine) (PAI) with high excellent resistance are fabricated by copolymerizing aromatic amines aldehydes through imine bonds. The resulting PAI plastic tensile 58.2 MPa exhibits in acidic basic aqueous solutions various organic solvents. can be depolymerized mixed solvent tetrahydrofuran...

Bio-based degradable supramolecular plastics with a high fracture strength of 265 MPa and excellent water-resistance are fabricated through complexation regenerated cellulose tannic acid, can be fully degraded under soil in ∼35 days.

Abstract It remains a huge challenge to efficiently recycle the printed circuit boards (PCBs) because of diversity and complexity PCBs in terms material composition. The recycling highly depends on design polymers that make up polymer substrates conductive pastes. Herein, closed‐loop recyclable plastics for use as preparation pastes are fabricated by dynamically cross‐linking phenylboronic acid‐functionalized poly(methylmethacrylate) (PMMA‐B) poly(urea‐urethane) (PUU‐B) with boroxines....

A strong poly(urea-urethane) cross-linked by boroxines shows a high mechanical strength of ∼47 MPa and toughness ∼190 MJ m⁻³ it can be healed recycled at room temperature with the assistance ethanol or water/ethanol mixture.

Two-dimensional transition metal carbides (Ti3C2Tx MXene) have emerged as new candidates for applications in multifunctional devices owing to their outstanding performance. However, these electronic are easily disturbed by water, breakage, oxidation during use, and limited energy resources. To solve problems, herein, inspired nature, a novel superhydrophobic, healable photothermal deicing photodetector (SHPP) with "papillary structure" is successfully fabricated the first time, simple...

With the advancement of material science and electronic technology, wearable devices have been integrated into daily lives, no longer just a stirring idea in fiction. In future, robust multifunctionalized with low cost long-term service life are urgently required. However, preparing multifunctional enough to resist harsh conditions using commercially available raw through simple process still remains challenging. this work, reprocessable polyurea (HUBTPU) hard segment hindered urea bonds...

Despite the rapid development of elastomers as safeguard materials, efforts remain to be made further improve their comprehensive mechanical properties and endow them with healing recycling capacities. Herein, mechanically robust, healable, recyclable, scratch-resistant polyurethane (PU) are successfully fabricated by dynamically cross-linking PU chains multiple hydrogen bonds, which derived from carbamate, carboxylic acid, 2-ureido-4-[1H]-pyrimidinone (UPy) groups. The resultant (denoted...

Abstract Aqueous zinc ion batteries provide new solutions for achieving environmentally friendly and safe energy storage devices. Unfortunately, the further application is hampered by growth of dendrites caused uneven deposition, hydrogen evolution other side interfacial reactions at anode. Herein, a multifunctional Bi‐Bi 2 O 3 hybrid artificial interface layer constructed on surface anode using an in situ conversion reaction. Among them, Schottky structure not only significantly accelerates...