Abstract Hierarchical patterns are widely found on the biological skins in nature and can provide unique functions to surfaces such as wettability, optical, adhesive properties. Herein, a facile robust strategy generate self‐wrinkling pattern surface of photo‐curing coating is proposed, which comprises crosslinking monomer, photoinitiator, fluorinated copolymer additive. The copolymer, contains fluorocarbon chains possessing low surface‐energy, tertiary amine coinitiator, anthracene side...

A novel and effective strategy to fabricate light reversible hierarchical patterned surface with self-healing, reversibly tunable adhesion wettability properties was presented through photo-dimerization induced dynamic wrinkle, also a application of the Braille refreshable typography demonstrated.

Supramolecular networks with selective adsorption for guest molecules were formed via dynamic hydrogen-bonding interactions between the carboxyl group-containing hyperbranched poly(ether amine) nanogels (hPEA-NG) and chitosan (CS). The hPEA-NG/CS supramolecular physically cross-linked composed of hPEA-NGs dispersed within a crystallized CS matrix. An increasing content enhanced mechanical properties networks. transparent hPEA-NG did not disassemble in aqueous solutions different pH values...

Molecular filtration is very attractive in the industrial applications of separation and water treatment, but it challenging to realize fast due low transport rates filtrate loss within membranes commercial ultrafiltration. We here demonstrated a novel example that nanofiber membrane poly(ether amine) (PEA) can be used hydrophilic dyes through molecular filtration. Two types PEA (PEA-NF) were fabricated electrospinning process, which further photo-crosslinked UV-induced dimerization coumarin...

We demonstrated a novel core–shell microsphere (CSM) fabricated from coassembly of anthracene-ended hyperbranched poly(ether amine) (hPEA-AN) and anthracene containing polyhedral oligomer silsesquioxane (POSS-AN). The obtained CSMs are cross-linked through photodimerization possess the well-defined structure according to images SEM, TEM, AFM. shell CSM is comprised hPEA-AN, while POSS-AN prefers ordered crystallized aggregation in core. size uniform tunable. With increasing content hPEA-AN...

A novel type of supramolecular hydrogel was developed by<italic>in situ</italic>polymerization acrylic acid (AA) and acrylamide (AM) monomers in the aqueous solution chitosan (CS) based on dynamic electrostatic interaction ions.

We demonstrated a one-pot approach to synthesize hyperbranched poly(thiol–ether amine) (hPtEA) through sequential “thiol–ene” and “epoxy–amine” click reactions, both of which were well traced using <italic>in situ</italic>¹H-NMR spectra.

Open AccessCCS ChemistryRESEARCH ARTICLE1 Aug 2020Toward the Highly Ordered Lamellar Hybrid Membrane for Molecular Sieving by One-Pot Self-Assembly of Hyperbranched Polymer Jin Li, Zhilong Su, Xiaodong Ma, Jie Yin and Xuesong Jiang Li School Chemistry & Chemical Engineering, Frontiers Science Center Transformative Molecules, State Key Laboratory Metal Matrix Composite Materials, Shanghai Jiao Tong University, 200240 , Su Ma *Corresponding author: E-mail Address: [email protected]...

We herein demonstrated a novel multiresponsive fluorescent nanorod based on C60, which is fabricated through the versatile coassembly of fullerene C60 and anthracene-ended hyperbranched poly(ether amine) (AN-hPEA). The supramolecular nanorods (C60@AN-hPEA) can be further cross-linked photodimerization anthracene, size obtained 2–12 μm in length 50–90 nm diameter. C60@AN-hPEA are amphiphilic, responsive, fluorescent. fluorescence aqueous solution responsive to temperature pH. C60@AN-hPEA-1/4...

A simple and general approach to make the commercial photoinitiator water-soluble polymeric was developed<italic>via</italic>supramolecular interactions, which is believed find wide potential applications in photo-curing technology.

Dynamic complex surface topography with ordered and tunable morphologies, which can provide on-demand control of properties to realize smart surfaces, is gaining much attention yet remains challenging in terms fabrication. Here, a facile, robust, controllable method demonstrated fabricate programmable two-dimensional (2D) patterns multiresponsive 2D ultrathin materials, comprised anthracene-capped hyperbranched poly(ether amine) (hPEA-AN)-functionalized graphene (hPEA-AN@G). By combining the...

The recent development of 2D lamellar membranes may lead to the next generation membrane processes for molecular separation, but smart regulation substance permeability has rarely been reported challenge precise interlayer spacing (d-spacing). Here polymeric with reversible thermoresponsive nanogating regularity are constructed by regular stacking poly(N-isopropylacrylamide) (PNIPAM) brushes covalently grafted hybrid nanosheets (HNS-P). HNS-P were formed under engineering in situ...

A direct observation has been conducted to study the local corrosion of solid silica at surface molten silicon. The maximum depth (linear loss, ΔL/mm) measured in relation various influencing factors. thermodynamic analysis done for reactions. Transfer pass oxygen during procedure was analyzed based on these thermodynamics and kinetics. Up-and-down oscillation silicon meniscus zone confirmed. It is revealed that main cause Marangoni effect caused by tensions gradient, which result gradient...

Polymer sponges with molecular recognition provide a facile approach to water purification and industrial separation easy operation, but its fabrication is still challenging because some critical issues of selective adsorption, high mechanical strength, collection/re-use are difficult be achieved in one material. Here, inspired by natural sponges, novel multifunctional polymer were developed which fabricated ice-templating amine polyethylenimine diepoxide cross-linker poly(ethylene glycol)...

We herein demonstrated an approach to control the spatial distribution of components in hybrid microspheres dynamically.

Abstract Morphology and nanoparticle's distribution are both key factors to the hybrid coassemblies. A fancy method dynamically control morphology of core–shell microspheres (CSMs) with UV light is introduced. The CSMs used here fabricated azobenzene (AZO) ended hyperbranched poly(ether amine) in shell AZO containing polyhedral oligomer silsesquioxane core through coassembly. Upon irradiation, dynamic transition from microsphere vesicle realized by synergistic effects photothermal AZO,...

Abstract An ultralarge sheet with remarkable lateral dimensions of 10 µm × µm–20 20 is fabricated by the hierarchical self‐assembly porphyrin‐ended hyperbranched poly(ether amine) (tetraphenylporphyrin (TPP)–hPEA) in solution. The obtained TPP–hPEA amphiphiles can self‐assemble from ultrathin single‐layered nanosheets a thickness 4 nm to multilayered thicknesses 30 70 nm. increase 2 5 µm, and eventually µm. In‐situ dynamic light scattering UV–vis spectroscopy studies suggest growth mechanism...

In order to rapid treatment of first flush rainwater, a new flocculation-magnetic microsphere was prepared. And magnetic microspheres were prepared using the modified Stöber method. Magnetite (Fe3O4)-silica (SiO2) core-shell have superparamagnetism verified by XRD, FTIR and VSM analysis. Also, Fe3O4/SiO2 (FS) no significant reduction after at least reused five times. The optimal feeding conditions flocculant, powder PAM, reaction temperature 25 °C, static sedimentation time 30 min, pH=7....

Abstract Hybrid porous membranes with unique gradually open microchannels, which is comprised of polyvinylidene fluoride (PVDF) as skeletons and functional hyperbranched poly(ether amine) (hPEA) coverage surface, are formed via a combined crystallization diffusion approach. The cross‐sectional tortuous pores fully well‐arranged, opened, interconnected microchannels generated that directed by synergistic effect the nucleation/crystallization dimethylsulfoxide (DMSO) solvent, demixing/phase...

Abstract Organic–inorganic hybrid assembly is a very attractive means for constructing complex functional materials. Here, simple method the preparation of amphiphilic graphene nanosheets (hPEA‐AN@G) developed via in situ anthracene‐ended hyperbranched poly(ether amine) (hPEA‐AN) and by ball milling graphite aqueous solution with hPEA‐AN. The hPEA‐AN, consisting hydrophilic hPEA chains electron‐rich π‐conjugated aromatic AN capped on periphery, not only interacts strongly water molecules but...