Abstract Construction of heat conduction channels in polymer matrix plays a key role thermally conductive composite. In this work, three‐dimensional (3D) boron nitride (BN) framework was successfully fabricated by decomposing the sacrificial material. The resultant 3D‐BN with honeycomb‐like structure further infiltrated liquid epoxy resin. With aid pathways formed framework, maximum thermal conductivity EP/3D‐BN composites reaches 3.53 W/m·K 55.85 vol% BN, which is 17.6 times larger than...

Abstract Due to the quick growth of portable/wearable devices and electronics, development high efficiency flexible electromagnetic interference shielding films is a hot research topic. This work discusses latest advances in carbon‐based films, such as constructing desirable structures, combining with magnetic constituents, filling polymer matrices. The new construction strategies, preparation methods, performances, associated mechanisms are summarized. Moreover, synergism,...

Controlling foamability plays the central role in preparing PLA foams with high performances. To achieve this, chain extension was often used to improve rheological property of resins; however, despite availability this approach, it deteriorates biodegradability and greatly increases processing cost complexity. Hence, we reported a special crystallization induction method design tunable cellular structure expansion ratio. A novel crystallization-promoting agent combination (D-sorbitol, CO

Abstract The massive arbitrarily discarded waste of polyethylene terephthalate (PET) bottles become a major environmental pollution source for soils and oceans. Using these products to acquire purified water has great significance. We developed novel strategy inducing crystallization coupled with solvent exchanging obtain oriented PET/carbon nanotubes (CNT) foams from PET fabricate solar interfacial vapor generators (SIVGs). obtained PET/CNT had low densities 0.18 g/cm 3 high specific...

Abstract Ceramic‐based polymer composites are commonly utilized as thermal management materials due to their high conductivity and electrical insulation properties. One efficient method enhance the of these is by constructing a three‐dimensional conductive network within matrix. In this study, alumina was coated onto surface polyurethane (PU) foam, followed high‐temperature removal PU foam sintering sheets obtain continuous framework. Epoxy resin then infiltrated into framework fabricate...

Abstract The repair and regeneration of cartilage is a challenge for scientists clinical surgery. Achieving cell adhesion regeneration, anti‐inflammatory, lubrication, targeted drug delivery controlled release simultaneously in treatment are the goals researchers. Polymer composites hybrids have potential to realize above functions tissue engineering. This review refers injuries, current techniques, their benefits limitations, focusing on most relevant state art advanced polymers frontier...

Battery safety problems in abnormal thermal situations such as operation cold/hot environment, management defunction and runaway attract addressing attentions. Here from the battery perspective, a coupled thermalelectrochemical-mechanical phase-field model is developed for crack propagation lithium dendrite growth, thus to illustrate underlying mechanisms of interfacial failure evolution metal all-solid-state batteries (ASSBs) under situations. The effects inter-cell temperature distribution...

ABSTRACT The thermal conductivity of polymer composite is often constrained by the discontinuous structure filler networks within matrix and high contact resistance at interfaces. In response to these limitations, this study proposes a novel method for reducing interfacial creating silver nanoparticle “bridges” through deposition onto surfaces. work, boron nitride (BN) hybrids modified with nanoparticles (BN‐Ag) were synthesized via in situ reduction ions. A continuous BN‐Ag framework was...

Abstract Controlling wettability is crucial to designing separation membrane with high performance. In order achieve the goal, chain modification method frequently utilized optimize surface nature of raw materials. However, development significance but challenging due processing cost and complexity. Herein, we developed a rough induction strategy prepare poly(lactic acid) (PLA) membrane. Layered double hydroxides (LDH) were loaded carboxylation carbon nanotubes (CNT), prepared CNT@LDH was...

Abstract To reveal a relationship among crystallization, conductivity and electromagnetic shielding properties of full biodegradable polymer after ultraviolet (UV) aging, polybutylene succinate (PBS)‐based composites with different weight ratios multi‐wall carbon nanotubes (MWCNTs)/polylactic acid (PLA) /PBS masterbatch were processed via melt‐compounding approach. Morphology the MWCNTs/PLA/PBS prepared by Pickering emulsion method was confirmed scanning electron microscope (SEM)...

A methodology for the preparation of chain extended poly (ethylene terephthalate) (PET) and its foams by autoclave batching foaming method was proposed. First, PET mixed with tetraglycidyl diamino diphenyl methane (TGDDM) as extender to generate branching/crosslinking molecular structure improve viscoelasticity PET. Then, were prepared using supercritical CO 2 physical blowing agent. The structures various samples characterized nuclear magnetic resonance, gelation degree crosslinking density...

Abstract Highly thermally conductive boron nitride (BN)@ultra-high molecular weight polyethylene (UHMWPE) composites with the segregated structure were fabricated by powder mixing and hot pressing. Scanning electron microscopy polarizing optical used to analyze dispersion of BN particles in UHMWPE matrix. The morphology observation shows that are selectively located at interfaces form continuous networks after compression molding process. As a result, thermal conductivity BN@UHMWPE composite...

Polypropylene/clay nanocomposites (PP/I.44P, PPCNs) were prepared in a twin-screw extruder using maleic anhydride grafted polypropylene (MAPP) as compatibilizer. The intercalation of into nanoclay particles was studied X-ray diffraction. Rheological properties the investigated rheometer. enhanced complex viscosity at low frequency regime indicated that melt elasticity and strength improved by adding nanoclay. non-isothermal crystallization behavior differential scanning calorimetry (DSC)...

Abstract Poly (lactic acid) (PLA) bead foam has a promising application because of its renewable and naturally degradable nature. However, processing is greatly limited by inherent shortcomings such as the complex polycrystals‐inducing strategy. Herein, we developed strategy bulk polymerization reaction polyvinyl acetate (PVAc) to sinter PLA beads prepare EPLA foams accompanied supercritical CO 2 foaming technology. In order enhance sintering behavior flame‐retardancy foams, two‐dimensional...

Poly (lactic acid)/maleic-anhydride-grafted-polypropylene (PLA/MAPP) blends were prepared by melt blending method. The effect of MAPP content on the dispersion morphology, thermal properties, and rheological behavior PLA/MAPP was studied. Then foamed using supercritical CO 2 as physical blowing agent; cellular structure, cell size, well density investigated. results showed that MA reacted with PLA, thus a small amount branched polymer would be formed. branching structure strongly affected...

ABSTRACT Foams of poly(lactic acid) (PLA)/octa(epoxycyclohexyl) polyhedral oligomeric silsesquioxanes (ePOSS) composite were prepared by melt‐mixing and solid‐state foaming methods. A systematic accurate method was applied to evaluate the effects epoxy‐based POSS on structure dispersion, thermal behavior, rheological properties PLA composites. The application secondary electron–electron back‐scattered diffraction technique used observe cellular micromorphology micro‐phase dispersion in...