Last. Chuanhui Xu(GXU: Guangxi University)H-Index: 32
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Abstract null null Introducing covalent crosslinks into reversible supramolecular networks would effectively improve their mechanical strengths, but sacrificed the desired self-healing effect. So, it is a practical significance to explore the influence of irreversible covalent crosslinks on self-healing behavior to prepare self-healing rubbers with enhanced mechanical properties for further application. In this study, the trade-off of covalent crosslinks between the balanced mechanical propertie...
Last. Zhiyong Wei(DUT: Dalian University of Technology)H-Index: 24
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Abstract null null Poly(ethylene terephthalate-co-cyclohexanedimethanol terephthalate) (PETG) which could perform good mechanical and transparency properties have been commercialized for decades. While, such good properties presented only when the copolyesters is unable to crystallize for a narrow window of compositions. Moreover, considering the unsustainability of 1,4-cyclohexanedimethanol (CHDM) which was mainly obtained from fossil resources, incorporating novel biobased monomer into poly(et...
#1Sun-Chang Xi(CUMT: China University of Mining and Technology)H-Index: 2
#2Hao-Nan Guo(CUMT: China University of Mining and Technology)
Last. Bin Dong(CUMT: China University of Mining and Technology)H-Index: 3
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Abstract null null In this work, an aromatic nitrile containing the pyrimidine moiety and bisimidazolium cations (PyImCl) was synthesized and subsequently employed to prepare a bisimidazolium-based cationic covalent triazine framework (PyImCl-cCTF) through the ionothermal trimerization reaction. The chemical composition and structure of PyImCl-cCTF were carefully revealed by a series of techniques. As examined by N2 sorption isotherms at 77 K, PyImCl-cCTF exhibited large surface area and abundan...
Last. Merima Hasani(KTH: Royal Institute of Technology)H-Index: 11
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Abstract null null N,N-dimethylmorpholinium hydroxide was synthesized and its ability to dissolve microcrystalline cellulose and pulp was assessed for the first time. Microscopy and UV–Vis measurements showed that dissolution occurred over a range of 1–2 M concentration of the solvent and a maximum solubility of 7 wt% microcrystalline cellulose could be achieved. The stability of cellulose solutions was evaluated by size exclusion chromatography, which did not detect degradation to any noticeabl...
Abstract null null Fibrous membranes comprising of polycaprolactone (PCL) and bioactive glass nanoparticles (BGn), at different amounts, were prepared by the green electrospinning method for potential use in guided bone regeneration (GBR). The characteristics of the membranes were assessed first by FTIR, SEM, TGA, and DSC. Wettability was studied by measurements of the static water contact angle. In vitro biodegradability and bioactivity were evaluated through immersion in phosphate-buffered sal...
Abstract null null Two poly(naphthalene diimides) (PNDIs) have been developed using p-phenylene ethynylene-based comonomers with either thiophene side chains (P(NDI-BT)) or bithiophene side chains (P(NDI-BBT)), and the effects of the length of conjugated side chains on electrochemical, optical, and morphological properties were investigated. Both polymers showed additional vibronic peaks due to the interchain π-π* transition, and a high absorption coefficient (α) of the order of 105 cm-1 was obs...
Last. Filippo Rossi(Politecnico di Milano)H-Index: 29
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Abstract null null In the last decades hydrogels have demonstrated to be promising in multiple uses in medicine as controlled drug delivery systems and scaffolds for tissue engineering. In this fields a careful material design is crucial to achieve suitable and desired properties. In the last ten years we developed agarose-carbomer based hydrogels that exhibited good performances to repair damaged tissue working as cell carrier and sustaining the release of drugs. However the too long degradatio...
Abstract null null A novel multicomponent polymerization (MCP) strategy based on tandem reactions of isatoic anhydride with bisprimary amine and bisaldehyde monomers under mild metal catalyst-free conditions was developed, leading to tailor-made copolymers carrying dihydroquinazolinone groups in the main chains. Trifluoroethanol was employed as a solvent during polymerization due to its high solvating ability of growing chains as well as its strong Bronsted acid character that allows high activa...
Abstract null null Polyprodrugs are expected to possess better drug release performance than the conventional polymer prodrugs, because the drug molecules are conjugated in the main chain as structural units, different from the side groups or end groups in the later one. Here, acid-triggered degradable polyprodrug P(DOX-NH) was designed as drug self-delivery system (DSDS) for the tumor intracellular acid-triggered drug delivery, via a facile condensation polymerization of N-hydazinated doxorubic...
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