The cover image is based on the Research Article Temperature‐dependent transition of crystal phases in the electrospinning process of poly(vinylidene fluoride‐co‐hexafluoropropylene) by Dae Eon Jung et al., https://doi.org/10.1002/pi.5895 .
The cover image is based on the Research Article Enhancement of orientation of rigid polymer blocks by incorporating rod‐coil block copolymer chains into metal‐organic frameworks by Jin Wang et al. DOI: 10.1002/pi.5766 .
The cover image is based on the Research Article Effect of different compatibilizers on environmentally friendly composites from poly(lactic acid) and diatomaceous earth by Angel Aguero et al. DOI: 10.1002/pi.5779 .
The cover image is based on the Review Review: materials and modelling for organic photovoltaic devices by Olivier Doat et al., https://doi.org/10.1002/pi.6280 .
The cover image is based on the Research Article Polyimide nanohybrid films with electrochemically functionalized graphene by Dae‐Geon Yoo et al. DOI: 10.1002/pi.5836 .
The cover image is based on the Research Article Differential scanning calorimetry study of cross‐nucleation between polymorphs in isotactic poly(1‐butene) by Bao Wang et al. DOI: 10.1002/pi.5595 .
The cover image is based on the Research Article Redox‐responsive PEI‐coated magnetic iron oxide nanoparticles for controllable gene delivery and magnetic resonance imaging by Si Peng et al., https://doi.org/10.1002/pi.5943 .
The cover image is based on the Research Article Synthesis and characterization of POSS hybrid organogels using Menschutkin quaternization chemistry by Deniz Kilic et al. DOI: 10.1002/pi.5719 .
The cover image is based on the Research Article Anisotropy in nanocellular polymers promoted by the addition of needle‐like sepiolites by Victoria Bernardo et al. DOI: 10.1002/pi.5813 .
The cover image is based on the Research Article Graphite fluoride and fluorographene as a new class of solid lubricant additives for high‐performance polyamide 66 composites with excellent mechanical and tribological properties by Haoyang Sun et al., https://doi.org/10.1002/pi.5975 .
The cover image is based on the Research Article Fully biobased biodegradable poly(l‐lactide)‐b‐poly(ethylene brassylate)‐b‐poly(l‐lactide) triblock copolymers: Synthesis and investigation of relationship between crystallization morphology and thermal properties by Chenhao Jin et al., https://doi.org/10.1002/pi.5958 .
The cover image is based on the Research Article Pre‐thermal treatment in binary solvent systems promoting β crystalline phase of electrospun poly(vinylidene fluoride) nanofibers by Praewpanit Nuamcharoen et al., https://doi.org/10.1002/pi.6008 .
The cover image is based on the Research Article Polymer Sequestrants for Biological and Environmental Applications by William R Archer et al. DOI: 10.1002/pi.5774 .
The cover image is based on the Research Article Photoinduced aggregation of liposome modified with DNA containing ultrafast DNA photo-cross-linker by Kenzo Fujimoto, Masakatsu Ichikawa, and Shigetaka Nakamura., https://doi.org/10.1002/jctb.6941 .
Cover Photograph: More than 900 people from 45 countries attended the International Congress on Glass and the Annual Meeting of The American Ceramic Society Glass and Optical Materials Division in Boston, Mass., June 9–14, 2019.
The cover image is based on the Research Article Polyaniline coated hematite sand supported on graphene oxide (HS@PANI-GO) as a new magnetic material for advanced catalytic oxidation based on sulfate radicals: optimization using response surface methodology by Abdellah Ait El Fakir et al., DOI: 10.1002/jctb.6070 .
Cover Photograph: (a) Schematic diagram of the formation process of ceramic nanofibrous foams, (b-g) SEM images of nanofiber-knitted foams. Huo et al. DOI: 10.1111/jace.16225 .
The cover image is based on the Original Article Dual-Functionalized Protic Ionic Liquids for Efficient Absorption of NH3 through Synergistically Physicochemical Interaction by Shaojuan Zeng, Yingliang Yang, Lei Yuan et al., https://doi.org/10.1002/jctb.6381 .
The cover image is based on the Research Article Use of an in vitro dynamic culture system to assess flow shear forces upon cell adhesion within different structures by Xingyou Hu et al., DOI: 10.1002/jctb.5834 .