Thermoresponsive micellization of poly(ethylene glycol)-b-poly(N-isopropylacrylamide) (PEG110-b-PNIPAM44) in water is studied by static light scattering and dynamic scattering. The critical aggregation temperature PEG110-b-PNIPAM44 a little higher than homopolymer PNIPAM, it depends on the block copolymer concentration, which increases from 33.7 to 38.4°C when concentration decreases 2.0 0.20 mg/mL. Above temperature, thermoresponsive occurs, resultant spherical micelles consist PNIPAM core...

Synthesis and catalysis of yolk−shell microspheres containing a single Au nanoparticle core mesoporous shell hollow silica (HMSM) are reported. This synthesis employs polystyrene-co-poly(4-vinylpyridine) as both template to fabricate the HMSM through sol−gel process scaffold immobilize nanoparticle. Since is supernatant within inert shell, catalyst has minimum support effect promising model explore origin catalysis. Catalyzed reduction 4-nitrophenol with NaBH4 demonstrates size-dependent...

The noble metal nanoparticles of Pd, Au, and Ag embedded in the shell layer core−shell poly(styrene-co-4-vinylpyridine) micospheres were synthesized, catalytic activity shell-embedded Pd was investigated. To increase accessible active site therefore nanoparticles, situ synthesized are selectively immobilized outer microspheres, which by one-stage soap-free emulsion polymerization water contain a core polystyrene coordinative poly(4-vinylpyridine). It is found an efficient easily reusable...

A new multi-stimuli-responsive homopolymer of poly[N-[2-(diethylamino)ethyl]acrylamide] (PDEAEAM), which combines the thermoresponsive and pH/CO2-responsive moieties diethylamino acrylamide groups, was proposed synthesized by RAFT polymerization. Well-defined PDEAEAM solution polymerization as indicated linear increase in polymer molecular weight with monomer conversion narrow distribution. The appending group backbone found to be crucial determine thermoresponse water. parameters including...

Multicompartment vesicles of ferrocene-containing triblock terpolymer containing on-off switchable pores in the vesicular membrane are prepared by seeded RAFT polymerization. In these multicompartment vesicles, incompatible solvophobic poly(4-vinylbenzyl ferrocenecarboxylate) (PVFC) and poly(benzyl methacrylate) (PBzMA) blocks form porous phase-segregated solvophilic poly[2-(dimethylamino) ethyl methacrylate] block locates at inner outer sides membrane. These redox-responsive can be switched...

A new formulation of polymerization-induced self-assembly in poly(ethylene glycol) (PEG) named PEG-PISA to synthesize diblock copolymer nanoassemblies via macromolecular RAFT agent mediated dispersion polymerization is reported. In PEG-PISA, the viscous PEG with molecular weight ranging from 200 1000 Da used as medium. The utilization medium affords advantages including fast rate, good control over synthesis copolymers, and situ both amphiphilic doubly hydrophobic at polymer concentration up...

Tremendous efforts have been devoted to exploiting synthetic wet adhesives for real-life applications. However, developing low-cost, robust, and multifunctional adhesive materials remains a considerable challenge. Herein, composed of single-component poly(ionic liquid) (PIL) that enables fast robust underwater adhesion is reported. The PIL film possesses excellent stretchability flexibility, enabling its anchoring on target substrates regardless deformation water scouring. Surface force...

Thermo- and pH-responsive micellization of poly(ethylene glycol)-b-poly(4-vinylpyridine)-b-poly(N-isopropylacrylamide) in water was studied. Micellization the triblock copolymer, which synthesized by sequential atom transfer radical polymerization 4-vinylpyridine N-isopropylacrylamide, occurred with combined stimulus temperature pH changes to form various morphological micelles. The copolymer existed as unimers at 2.0 then associated into spherical core−corona micelles when increased from...

The dispersion RAFT polymerizations mediated with monofunctional and bifunctional macro-RAFT agents were comparatively studied, in which different block copolymer morphologies detected.

Doubly thermo-responsive triblock copolymer nanoparticles are prepared by a dispersion RAFT polymerization and the exhibit two-step phase-transition with increasing temperature.

Synthesis of single lithium-ion conducting polymer electrolyte membrane (SLIC-PEM) composed polymerized lithium 4-styrenesulfonyl(trifluoromethylsulfonyl)imide (PLiSTFSI), poly(ethylene glycol) methyl ether methacrylate (PEGM), dimethacrylate (PEGDMA), and ethylene carbonate (EC) is reported. SLIC-PEM combines the advantages electrolytes, cross-linked flexible liquid carbonate. The synthesized SLIC-PEMs have superior thermostability, high ionic conductivity, a wide electrochemical window,...

Synthesis of ingenious nanoassemblies is pursued in materials science. Herein, the situ synthesis self-assembled blends AB/BAB block copolymers poly(ethylene glycol)-block-polystyrene/polystyrene-block-poly(ethylene glycol)-block-polystyrene (PEG-b-PS/PS-b-PEG-b-PS) via two-macro-RAFT agent comediated dispersion polymerization reported. The strategy combines advantages polymer blending and polymerization-induced self-assembly. Following this strategy, various PEG-b-PS/PS-b-PEG-b-PS such as...

This minireview summarizes the current cross-linking approaches to stabilize block copolymer nano-assemblies obtained <italic>via</italic> RAFT-mediated PISA process.

This review focuses on the synthesis of multicompartment block copolymer nanoparticles (MBCNs) <italic>via</italic> solution self-assembly and polymerization-induced (PISA).

Linear photoresponsive polyurea of PbAzo containing bridged-azobenzene moieties in backbone was synthesized via polyaddition reaction between hexamethylene diisocyanate and cis-3,3′-diamino ethylene-bridged azobenzene. The endow the advantages visible-light-driven isomerization fast powerful photoresponse. Under irradiation with 405 nm blue light, stable cis-PbAzo converts into metastable trans-PbAzo accompanying amorphous-to-crystalline transition yellow-to-red color change cis-to-trans...

Linear and star block copolymer (BCP) nanoassemblies of [poly(4-vinylpyridine)-block-polystyrene]n ([P4VP-b-PS]n) with different arm numbers have been synthesized by RAFT dispersion polymerization under formulation polymerization-induced self-assembly (PISA). All polymerizations employing mono- multifunctional macromolecular chain transfer agents proceed similar kinetics. The size and/or morphology [P4VP-b-PS]n are firmly correlative to number n, BCPs more complex than the linear...

Different strategies on photoregulated RAFT polymerization are developed. This minireview summarizes recent advances in and its applications.

Polymeric multicompartment nanoparticles (MCNs) of μ-ABC miktoarm star polymers composed poly(N,N-dimethylacrylamide) (PDMA), poly(butyl methacrylate) (PBMA), and polystyrene (PS) were synthesized by Cu(I)-catalyzed click reaction seeded RAFT dispersion polymerization. The MCNs have a solvophobic PBMA core with separate segregated PS microdomains solvophilic PDMA corona. size and/or morphology are correlative to the length PDMA, PBMA, segments. Ascribed characteristic structure, μ-DBS can...

Abstract Lewis pair polymerization has demonstrated its unique advantages and powerful capability in polymer synthesis. Here we employ strong nucleophilic N ‐heterocyclic olefin (NHO) bulky organoaluminum to construct a frustrated pair, which can realize the compounded sequence control (CSC) copolymerization self‐assembly mixture of dimethylaminoethyl acrylate fluoride‐functionalized methacrylate into diblock copolymers (di‐BCPs) nano‐assemblies through polymerization‐induced one‐pot,...

Abstract Herein, we report an exciting synthetic procedure for the scalable and controllable fabrication of covalently crosslinked poly(ionic liquid) (PIL) nanoporous membranes (CPILMs) in water solution under ambient conditions. We found that pore sizes, flexibility compositions freestanding CPILMs can be finely tailored by a rational structural choice PIL, diketone aldehyde. Studies on CPILM formation mechanism revealed hydrogen bonding‐induced phase separation amino‐functionalized...