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Modification, Properties and Application of Epoxy Adhesives/Materials

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: 20 October 2024 | Viewed by 1375

Special Issue Editor


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Guest Editor
Department of Production Computerisation and Robotisation, Faculty of Mechanical Engineering, Lublin University of Technology, Nadbystrzycka 36, 20-618 Lublin, Poland
Interests: analysis of the influence of technological and structural factors on the strength of adhesive joints of polymers and metals; design of bonding technologies; testing of adhesive properties; issues related to obtaining the appropriate adhesive properties to increase the strength of adhesive joints; modification of epoxy adhesives; design of different assembly joint solutions; design of assembly technologies
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Special Issue Information

Dear Colleagues,

Epoxy adhesives have properties superior to those of most other adhesive materials due to their excellent adhesion and chemical resistance. Wide varieties of resins and curing agents, together with their excellent capability to be modified (both chemical and physical), allow epoxy adhesives/materials to be adjusted for particular applications and conditions of use. This modification of epoxy materials enables the control of specific properties, such as shear and tensile strengths, tensile modulus, flexibility, and heat resistance.

This Special Issue focuses on types of epoxy adhesives/materials, epoxy resins, curing agents and other various types of additives and fillers, as well as their properties and the resistance of epoxy adhesives in different applications and environments. Epoxy materials are considered in terms of their characteristics, methods of modification, curing, testing and their applications.

Potential topics include, but are not limited to, the following:

  • Epoxy resins and curing agents;
  • Novel technologies and methods for modification of epoxy adhesives;
  • Structure, properties and applications of epoxy adhesive modifies and fillers; 
  • Mechanical, chemical and thermal properties of epoxy materials;
  • Resistance of epoxy adhesives and adhesive joints in various environments;
  • Advanced applications of epoxy adhesives;
  • Biobased epoxy adhesives and materials;
  • Sustainable epoxy resins from renewable resources.

Prof. Dr. Anna Rudawska
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • epoxy resin
  • epoxy adhesive
  • epoxy adhesive joint
  • biobased epoxy adhesive and material
  • epoxy composite
  • modification
  • filler and modifier
  • curing agent
  • properties
  • applications

Published Papers (1 paper)

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Research

18 pages, 4440 KiB  
Article
Mechanical Properties of Epoxy Compounds Based on Unmodified Epoxy Resin Modified with Boric Acid as an Antiseptic
by Anna Rudawska
Materials 2024, 17(1), 259; https://doi.org/10.3390/ma17010259 - 3 Jan 2024
Cited by 1 | Viewed by 1005
Abstract
The objective of this study was to compare the selected mechanical properties of epoxy compounds based on an unmodified epoxy resin with those containing an antiseptic as a modifying agent. Experiments were carried out on twelve epoxy compounds made of an epoxy resin [...] Read more.
The objective of this study was to compare the selected mechanical properties of epoxy compounds based on an unmodified epoxy resin with those containing an antiseptic as a modifying agent. Experiments were carried out on twelve epoxy compounds made of an epoxy resin based on bisphenol A (BPA) with a basic epoxide amount of 0.48–0.51 mol/100 g. Three curing agents were used: one polyamide (a polyaminoamide curing agent) and two amines (one was an adduct of aliphatic amine and aromatic glycidyl ether, and the other was an adduct of cycloaliphatic amine). The epoxy compounds were modified by adding an antiseptic in the form of powdered boric acid (H3BO3) in three amounts: 0.5 g, 1.0 g, and 1.5 g. The cured modified and unmodified epoxy compounds were subjected to compressive strength testing and microscopic examination. The experimental results showed that the epoxy compounds containing adduct of aliphatic amine (triethylenetetramine) and aromatic glycidyl ether as the amine curing agent, i.e., E5/ET/100:18, had the highest compressive strength out of all the tested epoxy compounds, with the highest value of 119 MPa obtained for the epoxy compound modified by the addition of 1.0 g boric acid. The epoxy compounds modified with boric acid acquired antiseptic properties and, for most cases, exhibited a higher compressive strength than the unmodified epoxy compounds (not lower than that specified by the manufacturer for unmodified epoxy compounds). Full article
(This article belongs to the Special Issue Modification, Properties and Application of Epoxy Adhesives/Materials)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Testing selected properties of additive material intended for application to exposed parts of the tool for crushing forest growths
Authors: Miroslava Ťavodová; Monika Vargová; Ladislav Falat; Anna Rudawska; Dana Stančeková; Zděnek Joska
Affiliation: Technical Univerzity in Zvolen, Faculty of Technology
Abstract: The article is focused on the possibilities of extending the life of tools used in forestry, heavily burdened by a heterogeneous working environment. These tools are used in forestry to process unwanted vegetation (mulching), especially in inaccessible terrain, under high voltage, etc. One of the possibilities of increasing their service life is strengthening their functional surfaces with suitable additional materials. The tool itself (its body) is made of chrome-manganese steel 16MnCr5. First, the simulation of grinding element indentation was carried out in the experi-ment to analyze and determine the loading mechanism of the exposed surface, followed by the distribution of von Mises stresses. Furthermore, wear resistance according to ASTM G133-95 was evaluated using a TalySurf CLI 1000 3D profilometer with confocal and touch induction sensor, microstructure and HRC hardness of two selected soldering electrodes and compared with the base material of the tool. Application with a hard welding electrode UTP 690 creates a marten-sitic structure. The OK WearTrode 62 electrode is a hard welding electrode that produces weld metal with a high volume fraction of fine carbides in a martensitic matrix. Better results in terms of HRC hardness, wear-resistance and defined microstructure were achieved by UTP 690. The selection and application of such additional material, which with its complex properties better resists the effects of the working environment, is a prerequisite for increasing the service life of tools working in forestry.

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