Epoxy Adhesives

Chen, Chun-Fu; Li, Bin; Kanari, Masao; Lu, Daoqiang

doi:10.5772/intechopen.86387

Cited by 7 publications

(8 citation statements)

References 26 publications

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“…Epoxy resins are thermosetting polymers [1][2][3][4] whose molecules contain at least two epoxy groups. They are extensively used in various fields, including adhesives, coatings, sealing materials, matrices for composite materials reinforced with different fibers/fillers, structural elements, laminates, and dielectric materials [5][6][7][8]. The most commonly used epoxy resins are those based on diglycidyl ether of bisphenol A (DGEBA) [4,[9][10][11][12].…”

Section: Introductionmentioning

confidence: 99%

Properties and Performance of Epoxy Resin/Boron Acid Composites

Rudawska,

Frigione,

Sarcinella

et al. 2024

Materials

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This research study focused on the effect of adding boric acid to epoxy resin in order to obtain a composite material with improved properties and performance. To this end, a fine powder of boric acid (H3BO3) was introduced into epoxy resin in different amounts, i.e., 0.5 g, 1.0 g, and 1.5 g. As the matrix of the epoxy composites, styrene-modified epoxy resin based on bisphenol A (BPA) (Epidian 53) was used. It was cross-linked with two types of curing agents, i.e., an amine (ET) and a polyamide (PAC). The mechanical properties of the obtained epoxy composites (in terms of compressive strength, compressive modulus, and compressive strain) were determined at room temperature in order to assess the effect of the addition of boron acid and of the type of curing agent employed to cure the epoxy on these characteristics. Calorimetric measurements were made to highlight any changes in the glass transition temperature (Tg) as a result of the addition of boric acid to epoxy resin. Finally, flammability tests were performed on both Epidian 53/PAC and Epidian 53/ET epoxy composites to analyze their fire behavior and consequently establish the effectiveness of the selected additive as a flame retardant.

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Section: Introductionmentioning

confidence: 99%

Properties and Performance of Epoxy Resin/Boron Acid Composites

Rudawska,

Frigione,

Sarcinella

et al. 2024

Materials

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“…[ 3 ] The epoxy‐hardener reaction results in forming a 3D crosslinked system with excellent mechanical properties, which improves upon thermal curing. [ 4,5 ] However, although their mechanical properties are good with ultimate tensile strength (UTS) of 3–180 MPa and Young's modulus of 0.18–18.40 GPa, their thermal stability is not sufficient, thus limited to 177–232 °C depending on the epoxy structure, the additives utilized and curing conditions. The thermal stability of a polymer is crucial for HPPs, and it is indicated by its glass transition ( Tg ): close to Tg , the polymer softens, and the modulus drops three orders of magnitude.…”

Section: Introductionmentioning

confidence: 99%

3D Printing Thermally Stable High‐Performance Polymers Based on a Dual Curing Mechanism

Binyamin

Grossman²,

Gorodnitsky

et al. 2023

Adv Funct Materials

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High-performance polymers are an important class of materials that are used in challenging conditions, such as in aerospace applications. Until now, 3D printing based on stereolithography processes can not be performed due to a lack of suitable materials. There is report on new materials and printing compositions that enable 3D printing of objects having extremely high thermal resistance, with Tg of 283 °C and excellent mechanical properties. The printing is performed by a low-cost Digital Light Processing printer, and the formulation is based on a dual-cure mechanism, photo, and thermal process. The main components are a molecule that has both epoxy and acrylate groups, alkylated melamine that enables a high degree of crosslinking, and a soluble precursor of silica. The resulting objects are made of hybrid materials, in which the silicon is present in the polymeric backbone and partly as silica enforcement particles.

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“…Eucalyptus, Balsa, Mahogany, Blackbutt, and Red Ironbark are examples of hardwood. Commonly hardwood is more robust but has exceptions; Balsa wood is a type of hardwood but extremely low density compared to other species hardwood [4] Table 1 Different type of softwoods and hardwoods [12] Softwoods Hardwoods…”

Section: Introductionmentioning

confidence: 99%

Future of Transparent Wood: A Preliminary Review

En,

Othman

2023

JAITA

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The wood has unique structure and excellent mechanical properties. Wood is important natural source for human civilization. Wood is anisotropy structure. Wood was the important material and natural resource in human civilization. Wood is widely used in many sectors such as building, fuel, tools and other. In the ancient, wood played an important role in human cultural, economic, act and building. As a natural and sustainable material, wood has excellent mechanical properties cause by unique structures relative to its cost. Wood due to its natural growth can define as renewable and sustainable material. Due to the hierarchical and anisotropy structure, wood have properties of high strength, good durability, high moisture content and high strength. Wood is porous and fibrous structural tissue of wood. Roots and stems of wood made by natural cellulose fibres growing upward all the way to the top of canopy. This paper will present a preliminary review about the future of transparent wood.

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Epoxy Adhesives

Cited by 7 publications

References 26 publications

Properties and Performance of Epoxy Resin/Boron Acid Composites

Properties and Performance of Epoxy Resin/Boron Acid Composites

3D Printing Thermally Stable High‐Performance Polymers Based on a Dual Curing Mechanism

Future of Transparent Wood: A Preliminary Review

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