Bisphenol A cyanate ester/polyglycidyl methyacrylate (BADCy/PGMA) microcapsules were successfully fabricated via a solvent evaporation technique; herein, BADCy is the core material and synthesized PGMA shell material. Optimal BADCy/PGMA with dense core–shell structures implanted in bisphenol epoxy resin (E-51) matrix to fabricate corresponding (BADCy/PGMA)/E-51 self-healing composites. Results revealed that optimal presented spherical shape rough surface, mean diameter of 31.5 μm wall...

Self-healing elastomers with extended service life and enhanced reliability have attracted extensive attention in recent years due to their broad application fields such as protective coatings, wearable electronics, shape memory materials, health-care monitoring. However, it is challenging simultaneously optimize the mechanical properties (strength toughness) self-healing capacity of elastomers. Herein, thiolactone chemistry was delicately used a bridge address this conundrum by...

Polyurethane elastomers with mechanical robustness, tear resistance, and healing efficiency hold great potential in wearable sensors soft robots. However, achieving excellent properties healable capability simultaneously remains highly desirable but exclusive. Herein, we propose a straightforward procedure for double modification of poly(urethane-urea) (PUU) via thiolactone chemistry, two different dynamic cross-linking bonds (disulfide linkages Zn2+/imidazole coordination) are successively...

Abstract Self‐assembly in supramolecular chemistry is crucial for nanostructure creation but faces challenges like slow speeds and lack of reversibility. In this study, a novel comb‐like polymer poly(amide sulfide) (PAS) based on thiolactone reported, which rapidly self‐assemble into stable nanofibers, offering excellent robustness reversibility the self‐assembled structure. The PAS backbone contains pairs amide bonds, each linked to an alkyl side chain controlled 2:1 ratio. forms fibrillar...

We herein report a facile method to prepare raspberry-like poly(styrene-glycidyl methacrylate) [P(S-GMA)] particles with controllable structure via one-step soap-free emulsion polymerization process accompanied by phase separation. In this method, corona size of 10-20 nm were produced in situ the later stage migrating S-enriched polymers from GMA-enriched core particles. The and roughness can be easily controlled adjusting amount styrene (S), glycidyl methacrylate (GMA), divinylbenzene...

Abstract The dynamic nature of supramolecules makes them useful in the fields smart devices. combination multiple interactions one material may bring some enhanced properties mechanical property, self‐healing or recyclability. Thus, it is significantly meaningful to design new materials with multi‐dynamic bonds and clarify their bonding mechanisms. Here, a novel three‐armed polymer based on benzene‐1,3,5‐tricarboxamide (BTA) developed could be further complexed by metal ions form...

[structure: see text] Azo benzene derivatives were incorporated into soluble polymer-bound catalysts by two different approaches. The first was to attach the dye catalysts, using as an innocent spectator study phase preference, concentration, and recoverability of a catalyst. second approach used azo ligand form effective Pd(II) catalyst for Heck reactions.

[reaction: see text] Use of soluble poly(4-tert-butylstyrene) (PtBS) as a support in synthesis is demonstrated. These polymers supported catalysts that were used monophasic medium. Subsequent separation the after reaction was effected either by cooling- or water-induced liquid/liquid-phase separation. Specific studied included both phosphine and DMAP nucleophilic catalysts. Low loadings an azo dye quantified efficiency recovery these through multiple cycles.

Abstract A highly crosslinked hyperbranched polymer that rapidly swells and shrinks in a halogenated solvent response to the addition of an acid or base has been prepared by Cu(I) catalysis reaction between diazide amine‐containing trialkyne. The triazole linkages are stable may also play role swelling behavior. swelling–deswelling process is reversible. © 2006 Wiley Periodicals, Inc. J Polym Sci Part A: Chem 44: 5513–5518,

An innovative, rapid and efficient route is developed to fabricate ene loaded microcapsules <italic>via</italic> a thiol–isocyanate click reaction based on hydrolyzed poly(glycidyl methacrylate) (PGMA) particle stabilized oil-in-water Pickering emulsion.

The covalent cross-linked rubber has outstanding mechanical properties and chemical resistance, making it possible for a wide range of applications. Towards efforts to resource waste environmental pollution, recycling is concerning problem. However, big challenge endow the most widely used commercial systems with recyclability. In this paper, novel reprocessable recyclable acrylonitrile-butadiene (NBR) developed by introducing oxime-carbamate bonds into raw NBR. Amidoxime NBR prepared...

Owing to excessive energy consumption and environmental deterioration, thermosets with permanent covalent crosslinks have encountered unprecedented challenge in the sustainable development. An effective method address this intractable problem is construct adaptive networks that contain dynamic bonds. Herein, self-healable reprocessable cross-linked poly(urea-urethane) elastomers high mechanical performance were simply developed by introducing oxime–carbamate bonds (POUUs). The studies on...

Flexible conductive elastomers play a pivotal role in biosensing, electronic skin, and wearable devices. However, fabricating self-healing with superior mechanical properties remains formidable challenge. Here, we introduce simple strategy for the preparation of flexible elastomer that integrates stretchability, conductivity, capabilities. Initially, lipoic acid (LA) deep eutectic solvents (DES) are thermally initiated ring-opening copolymerized, yielding linear copolymer P(LA-DES). This...

A nucleophile-catalyzed thiol–isocyanate reaction has been exploited as an efficient route to fabricate uniform particles in a water-borne system.

Abstract Thermoset polymer elastomers that are capable of autonomous repairability upon physical damage at ambient temperature highly desirable because their thermal and environmental resistance, outstanding mechanical toughness stability. To aim this goal, we demonstrated tris(diethylamino)phosphine was initially proven as an efficient catalyst for the aliphatic disulfide exchange mild condition. By making use bond reshuffling elasticity polyurethane elastomers, inherently cross‐linked...

Achieving a desirable combination of good mechanical properties and healing efficiency is great challenge in the development self-healing elastomers. Herein, class tough strong polyacrylate elastomers (denoted as HPs) was developed simply by free-radical copolymerization n-butyl acrylate (nBA) tert-butyl (tBA) subsequent hydrolysis reaction rather than direct nBA acrylic acid (AA). The tiny difference reactivity between tBA makes structural units copolymer easy to control. Precise regulation...

Hierarchical structured coatings were fabricated by the assembly of raspberry-like P(S-AA) particles and their wettability could be tuned from hydrophilic to superhydrophobic.