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In this work, a crosslinker terminal maleimide groups (EDM) has been synthesized and was used in reactions with the pendant furan groups of polyurethane (PUE) to prepare the self-healing electrically conductive composites based on Diels-Alder reaction, and Ag nanowires (AgNWs) as the conductive network inlaid in the surface layer of the polymer matrix layer. Inspired by the graphene-based materials...
We developed a polyurethane material has an excellent self-healing ability as well as mechanical strength. This system was achieved based on dual-crosslinked Diels-Alder (DA) covalent bonding reaction. The first cross-linking point is realized by the DA bonding of polyurethane chain. Because of grafted maleimide group, the maleimide functionalized GO (mGO) sheets can be regarded as analogous cross-linker...
Polymer blending has been intensively investigated in recent decades because it is a simple way to achieve high-performance polymeric materials. It has been demonstrated that the properties of polymer blends are largely determined by its phase morphology. Recently, a change of sea-island morphology to a unique co-continuous-like structure was observed by adding a small amount of filler particles with...
In this work, phase morphology and mechanical properties of ternary blends of PA6 (Polyamide 6), EPDM-g-MA (Ethylene-propylene-diene rubber grafted with maleic anhydride) and different HDPEs (high-density polyethylene) have been studied. Although HDPEs of various viscosity and contents are used, the binary (EPDM-g-MA/HDPE) dispersed phase is of a core–shell structure, in which HDPE forms the core...
Compared to PA6/EPDM-g-MA binary blends, considerable improvement in the notched impact toughness was achieved in PA6/EPDM-g-MA/HDPE ternary blends in which core–shell structure formed during melt blending, and its toughening mechanism was investigated in this work. Two processing methods were applied to prepare the PA6/EPDM-g-MA/HDPE ternary blends, to obtain core–shell structure with different thickness...
In this work, the relationship between properties and morphologies of PA6/EPDM-g-MA/HDPE ternary blends was studied. Two processing methods (one- and two-step methods) were applied to prepare the PA6/EPDM-g-MA/HDPE ternary blends. The dependence of the phase morphology on interfacial interaction and processing method was discussed here. It was found that core-shell morphology (core: HDPE, shell: EPDM-g-MA...
A series of 1,4-distyrylbenzene derivatives containing 1,1-dicyanovinyl moieties were designed as poly-p-phenylenevinylene analogs to obtain the red electroluminescence assisted by the computational results. Based on the subsequent synthesis and optical studies, the present work indicated that introduction of 1,1-dicyano group as electron receptor in PPV skeleton could shift the electroluminescence...
Weight-average molecular weight (M w ) and intrinsic viscosity [η] of six fractions for benzyl konjac glucomannan (B-KGM) were determined by laser light scattering and viscometry, and the Mark–Houwink equation was established to be [η]=2.08×10−3Mw0.87(cm3g−1) in the M w range of from 4.42×10 4 to 33.74×10 4 in N,N-dimethylformamide (DMF) at 25 °C. Based on current theories...
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