Results 21 to 30 of about 1,864 (182)

Recyclable and reformable epoxy resins based on dynamic covalent bonds – Present, past, and future

open access: yesPolymer Testing, 2022
Epoxy resins, as a typical class of thermosetting polymers, have widespread industrial applications such as adhesives, coatings, electronic encapsulants, and polymer matrices for advanced composites, owing to their excellent mechanical performance ...
Hafeezullah Memon, Yi Wei, Chengyan Zhu
doaj   +1 more source

A fully bio-based epoxy vitrimer: Self-healing, triple-shape memory and reprocessing triggered by dynamic covalent bond exchange

open access: yesMaterials & Design, 2020
Vitrimers are a new type of polymers with promising applications in innovative materials. Epoxidized soybean oil (ESO) is an ideal candidate for vitrimer preparation owing to its abundant epoxy groups.
Xinxin Yang   +4 more
doaj   +1 more source

Mechanically Strong, Thermally Healable, and Recyclable Epoxy Vitrimers Enabled by ZnAl-Layer Double Hydroxides

open access: yes, 2021
To meet the demand of sustainable development, epoxy vitrimers based on the dynamic transesterification reaction (DTER) have received considerable attention recently due to their reprocessability and repairability.
Chen, Mao   +9 more
core   +1 more source

On the Development of Nanocomposite Covalent Associative Networks Based on Polycaprolactone and Reduced Graphite Oxide

open access: yesNanomaterials, 2022
In this work, the development of nanocomposite systems based on reduced graphite oxide (rGO) was combined with the development of crosslinked materials characterized by dynamic covalent bonds, i.e., a covalent associative network, starting from ad-hoc ...
Alberto Vallin   +4 more
doaj   +1 more source

Epoxy Vitrimers - thermal and flame retardant properties

open access: yes, 2023
Thermoset based composites are extensively used for interior applications and structure applications due to weight saving. The recyclability of thermosets is still limited and challenging.
Hammer, Larissa   +4 more
core   +1 more source

Green Characterization of Advanced Sustainable Materials for Engineering Applications: Determination of Thermal Properties using Molecular Dynamics [PDF]

open access: yesPort Said Engineering Research Journal, 2023
The concept of holistic sustainability offers novel approaches to minimize the impact of laboratory experiments in the field of engineering polymer materials by utilizing digital smart tools.
Mohamed Abdallah   +8 more
doaj   +1 more source

Investigation of welding process of vitrimer-based material: meso-scale simulation

open access: yesФизико-химические аспекты изучения кластеров, наноструктур и наноматериалов, 2022
A self-healing epoxy material is considered, based on bisphenol A diglycidyl ether and atricarboxylic fatty acid hardener, belonging to a new class of polymers called vitrimers.
P.V. Komarov, M.D. Malyshev
doaj   +1 more source

Poly(oxime–ester) Vitrimers with Catalyst-Free Bond Exchange [PDF]

open access: yes, 2020
Vitrimers are network polymers that undergo associative bond exchange reactions in the condensed phase above a threshold temperature, dictated by the exchangeable bonds comprising the vitrimer.
Shi, Shaowei   +4 more
core   +1 more source

Recyclable, Self‐Healing Solid Polymer Electrolytes by Soy Protein‐Based Dynamic Network

open access: yesAdvanced Science, 2022
Compared to traditional organic liquid electrolytes, which often present leakage, flammability, and chemical stability problems, solid polymer electrolytes (SPEs) are widely regarded as one of the most promising candidates for the development of safer ...
Weidong Gu   +6 more
doaj   +1 more source

Photocuring and digital light processing 3D printing of vitrimer composed of 2-hydroxy-2-phenoxypropyl acrylate and acrylated epoxidized soybean oil

open access: yeseXPRESS Polymer Letters, 2023
Vitrimers have gained attention as materials with recyclability, self-healing, and shape memory properties. The use of bio-based monomers for the synthesis of vitrimers is relevant because of the use of an environmentally friendly strategy. In this work,
Sigita Grauzeliene   +4 more
doaj   +1 more source

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