New Technologies of Epoxy Resin

A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Networks".

Deadline for manuscript submissions: closed (20 January 2024) | Viewed by 1859

Special Issue Editors


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Guest Editor
Frumkin Institute of Physics Chemistry and Electrochemistry, Russian Academy of Science, 119071 Moscow, Russia
Interests: polymer blends; phase state diagram; phase structure; morphology; diffusion; adhesion; epoxy blends; reinforced materials; material characterization; physical-mechanical tests; SEM; TEM

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Guest Editor
Frumkin Institute of Physics Chemistry and Electrochemistry, Russian Academy of Science, 119071 Moscow, Russia
Interests: polymer blends; phase state diagram; thermodynamics; phase structure; morphology; structure and properties; diffusion; adhesion; sorption

E-Mail Website
Guest Editor
Frumkin Institute of Physics Chemistry and Electrochemistry, Russian Academy of Science, 119071 Moscow, Russia
Interests: polymer blends; phase state diagram; thermodynamics; diffusion; FTIR

Special Issue Information

Dear Colleagues,

The widespread use of epoxy resin in modern functional materials does not reduce the relevance of research conducted in relation to them. Improving the performance of materials based on epoxy systems is achieved not so much through the synthesis of new epoxy resins, but through their modification by soluble and insoluble components in them. The spatial network of chemical bonds formed during the chemical reaction of curing modified homogeneous epoxy systems leads to the formation of a heterogeneous phase structure, which is capable of imparting unique performance characteristics to materials based on epoxy resin. A multiple increase in the properties of composite epoxy systems is achieved by introducing insolubly dispersed and reinforcing modifiers, provided that good adhesive properties are provided at the interface.

The purpose of the issue is to consider original research approaches to the study of epoxy systems, as well as modern materials based on epoxy resin and their application as coatings, compounds, composite binders and other functional materials. Release materials may include a wide range of research in the field of new technologies for the synthesis, modification, properties, self-healing, modeling and application of epoxy resin and materials based on them.

Dr. Aleksey V. Shapagin
Prof. Dr. Anatoly E. Chalykh
Dr. Nikulova Uliana
Guest Editors

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Keywords

  • synthesis of components for epoxy systems
  • modification of epoxy systems
  • phase equilibria, diffusion and structure formation in multicomponent epoxy systems
  • interfacial interactions in epoxy systems, adhesion and surface properties
  • modeling the production and destruction of epoxy multicomponent systems
  • properties of epoxy systems
  • modeling the properties of composite materials based on epoxy resin
  • application of functional materials based on epoxy systems

Published Papers (2 papers)

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Research

15 pages, 4161 KiB  
Article
The Influence of Residual Stresses on the Curve Shape—Describing Interface Behavior in “Polymer–Fiber” Systems
by Yulia A. Gorbatkina, Viktoria G. Ivanova-Mumzhieva, Olga V. Alexeeva and Mariya A. Vyatkina
Polymers 2024, 16(5), 582; https://doi.org/10.3390/polym16050582 - 21 Feb 2024
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Abstract
The pull-out method was used to study the adhesive strength τ of “fiber–thermoset” systems with wide variations in area. Studied binders were based on resins that had different chemical natures (epoxy, epoxy phenol, orthophthalic, polyphenylsiloxane, and phenol–formaldehyde). Shear adhesive strength was determined for [...] Read more.
The pull-out method was used to study the adhesive strength τ of “fiber–thermoset” systems with wide variations in area. Studied binders were based on resins that had different chemical natures (epoxy, epoxy phenol, orthophthalic, polyphenylsiloxane, and phenol–formaldehyde). Shear adhesive strength was determined for systems with two fiber types (glass and steel fibers). It was shown that strength τ depended on scale (area). Formation of τ occurred during the curing process and the system’s subsequent cooling to the measurement temperature T. It was found that interface strength depended on measurement temperature across a wide temperature range that covered the highly elastic and the glassy state of the adhesive. The influence of residual stresses τres, acting at the “binder–fiber” interface, on the nature of the curves describing the dependence of the adhesive strength on the studied factor was experimentally shown. A qualitative explanation of the observed regularities is proposed. Full article
(This article belongs to the Special Issue New Technologies of Epoxy Resin)
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21 pages, 3318 KiB  
Article
The Kinetic Study of the Influence of Common Modifiers on the Curing Process of Epoxy Vitrimers
by Roman Korotkov, Vyacheslav Shutov, Alexey Orlov, Natalia Bornosuz, Daria Kulemza, Denis Onuchin, Anna Shcherbina, Irina Gorbunova and Igor Sirotin
Polymers 2024, 16(3), 392; https://doi.org/10.3390/polym16030392 - 31 Jan 2024
Viewed by 901
Abstract
An analysis of the influence of common modifiers on the kinetics of the curing process of epoxy-anhydride vitrimers was carried out. As common modifiers to enhance the “vitrimeric” nature of the material, zinc acetylacetonate as a transesterification catalyst and glycerol as a modifier [...] Read more.
An analysis of the influence of common modifiers on the kinetics of the curing process of epoxy-anhydride vitrimers was carried out. As common modifiers to enhance the “vitrimeric” nature of the material, zinc acetylacetonate as a transesterification catalyst and glycerol as a modifier of hydroxyl group content were chosen. The curing process of all obtained compositions was studied by differential scanning calorimetry (DSC) followed by the application of the isoconversional approach. It was shown that additives significantly affect the curing process. The resulting cured polymers were shown to be chemically recyclable by dissolution in the mixture of ethylene glycol and N-methylpirrolidone in a volume ratio of nine to one. The introduction of both zinc acethylacetonate and glycerol to the neat formulation led to a decrease in the dissolution time by 85.7% (from 35 h for the neat epoxy-anhydride formulation to 5 h for the modified formulation). In order to show the opportunity of the secondary use of recyclates, the mixtures based on the basic composition containing 10 wt. % of secondary polymers were also studied. The introduction of a recycled material to neat composition led to the same curing behavior as glycerol-containing systems. Full article
(This article belongs to the Special Issue New Technologies of Epoxy Resin)
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