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Tough and self-recoverable hydrogels crosslinked by triblock copolymer micelles and Fe3+ coordination

Xu, Zuxiang; Li, Jinhui; Gao, Guorong; Wang, Zongbao; Cong, Yang; Chen, Jing; Yin, Jingbo; Nie, Lei; Fu, Jun

Customer publications

Tough and self-recoverable hydrogels crosslinked by triblock copolymer micelles and Fe3+ coordination

Xu, Zuxiang; Li, Jinhui; Gao, Guorong; Wang, Zongbao; Cong, Yang; Chen, Jing; Yin, Jingbo; Nie, Lei; Fu, Jun

Tough hydrogels have great potentials in soft robotics, artificial muscles, tissue replacement, and so on. Here we introduce novel tough hydrogels crosslinked by triblock copolymer (F127DA) micelles and metal coordination. The gels showed outstanding tensile strength (∼1–11 MPa), toughness (∼4–32 MJ m−3), and excellent self-recovery properties (∼56.8–87.2% toughness recovery in…
Temperature-Dependent Order-to-Order Transition of Polystyrene-block-poly(ethylene-co-butylene)-block-polystyrene Triblock Copolymer under Multilayered Confinement

Tan, Xiao; Li, Jiang; Guo, Shaoyun

Customer publications

Temperature-Dependent Order-to-Order Transition of Polystyrene-block-poly(ethylene-co-butylene)-block-polystyrene Triblock Copolymer under Multilayered Confinement

Tan, Xiao; Li, Jiang; Guo, Shaoyun

The order-to-order transition (OOT) plays a key role in the nanotechnological applications of block copolymer (BCP) and is dramatically dependent on the spatial environment. A multilayer-confined space has been fabricated by layer-multiplying coextrusion technology to investigate the OOT mechanism of polystyrene-block-poly(ethylene-co-butylene)-block-polystyrene triblock copolymer (SEBS) under…
Yerba Mate applications: Magnetic response of powders and colloids of iron oxide nanoparticles coated with Ilex paraguariensis derivatives

Mercado, D. Fabio; Cipollone, Mariano; González, Mónica C.; Sánchez, Francisco H.

Customer publications

Yerba Mate applications: Magnetic response of powders and colloids of iron oxide nanoparticles coated with Ilex paraguariensis derivatives

Mercado, D. Fabio; Cipollone, Mariano; González, Mónica C.; Sánchez, Francisco H.

A co-precipitation synthesis method was used to obtain iron oxide nanoparticles coated with Yerba Mate (Ilex paraguariensis) extract. These particles have a core–shell structure with the iron oxide phase surrounded by an organic shell provided by an organic component which come from the Yerba Mate extract. Obtained nanoparticles were exhaustively…
Transparent, Anisotropic Biofilm with Aligned Bacterial Cellulose Nanofibers

Wang, Sha; Li, Tian; Chen, Chaoji; Kong, Weiqing; Zhu, Shuze; Dai, Jiaqi; Diaz, Alfredo J.; Hitz, Emily; Solares, Santiago D.; Li, Teng; Hu, Liangbing

Customer publications

Transparent, Anisotropic Biofilm with Aligned Bacterial Cellulose Nanofibers

Wang, Sha; Li, Tian; Chen, Chaoji; Kong, Weiqing; Zhu, Shuze; Dai, Jiaqi; Diaz, Alfredo J.; Hitz, Emily; Solares, Santiago D.; Li, Teng; Hu, Liangbing

Cellulose nanofibrils are attractive as building blocks for advanced photonic, optoelectronic, microfluidic, and bio-based devices ranging from transistors and solar cells to fluidic and biocompatible injectable devices. For the first time, an ultrastrong and ultratough cellulose film, which is composed of densely packed bacterial cellulose (BC) nanofibrils with hierarchical fibril…
Transformable masks for colloidal nanosynthesis

Wang, Zhenxing; He, Bowen; Xu, Gefei; Wang, Guojing; Wang, Jiayi; Feng, Yuhua; Su, Dongmeng; Chen, Bo; Li, Hai; Wu, Zhonghua; Zhang, Hua; Shao, Lu; Chen, Hongyu

Customer publications

Transformable masks for colloidal nanosynthesis

Wang, Zhenxing; He, Bowen; Xu, Gefei; Wang, Guojing; Wang, Jiayi; Feng, Yuhua; Su, Dongmeng; Chen, Bo; Li, Hai; Wu, Zhonghua; Zhang, Hua; Shao, Lu; Chen, Hongyu

The synthesis of patchy colloids is limited by poor control over the location and shape of ligand domains. Here, the authors use adaptable polymer masks to protect select areas of the particle during functionalization, allowing them to create patchy colloids with unconventional surface…
Subsequent but Independent Cavitation Processes in Isotactic Polypropylene during Stretching at Small- and Large-Strain Regimes

Lyu, Dong; Chen, Ran; Lu, Ying; Men, Yongfeng

Customer publications

Subsequent but Independent Cavitation Processes in Isotactic Polypropylene during Stretching at Small- and Large-Strain Regimes

Lyu, Dong; Chen, Ran; Lu, Ying; Men, Yongfeng

Isotactic polypropylene (iPP) samples with different molecular weights were used to investigate the relationship between cavitation processes triggered at small- and large-strain regimes. The cavitation triggered at large strains was observed in all deformation cases regardless of the occurrence of cavitation activated at small strain. The initiation of the large-strain-cavitation…