Synthesis and properties of epoxy resin modified with epoxy-terminated liquid polybutadiene

Barcia, Fábio L.; Amaral, Thiago P.; Soares, Bluma G.

doi:10.1016/s0032-3861(03)00537-8

Cited by 126 publications

(95 citation statements)

References 20 publications

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“…In addition, these copolymers also increase the coefficient of thermal expansion (CTE) of the molding compound. Also, the presence of unsaturated structure of butadiene system is prone to thermal instability and, thus, unsuitable for long-term use at higher temperatures [12].…”

Section: Toughening Of Epoxy Resinsmentioning

confidence: 99%

Epoxy Resins

Kostopoulos

Vavouliotis

2012

Wiley Encyclopedia of Composites

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In the context of the present article, key issues on the technology of epoxy chemistry are discussed. Epoxy resins have been established because of their significant advantages as the main polymer matrix selection for the applications of fiber‐reinforced composites, especially in demanding performance‐driven industrial sectors such as aerospace, marine, automotive, and construction. This article begins with a short introduction where historical data are summarized along with the main application areas of epoxy resins, their advantages over other thermosetting resins, and their processing versatility. Next, the generalized structure of epoxy resin is discussed and categorized in three major types of commercial products. This article continues with a comprehensive presentation of the three major chemical types of curing agents employed in structural applications of epoxy resins accompanied with information on processing issues and applications. Later, specific types of resins that are developed for specific industrial needs are discussed. The use of diluted resins is presented for applications requiring lower processing viscosity. Next, other specialty resins such as flame‐retarding or toughened epoxy resins are reviewed. This article ends with another category of epoxy products that became commercial during the last few decades, the particle‐filled resins where the continuing evolution of nanotechnology offered unlimited options on composite material developments.

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Section: Toughening Of Epoxy Resinsmentioning

confidence: 99%

Epoxy Resins

Kostopoulos

Vavouliotis

2012

Wiley Encyclopedia of Composites

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“…However their brittleness limits some important applications mainly as high performance adhesives and composites. The incorporation of liquid rubber components constitutes a usual approach for improving toughness of these materials, but with frequent detriment of stiffness and modulus [1][2][3][4][5][6]. The increased demand for higher performance materials which combine improved strength, hardness, toughness and heat resistance has motivated several investigations on the field of organic/inorganic nano-hybrid materials.…”

Section: Introductionmentioning

confidence: 99%

Relationships between nanostructure and dynamic-mechanical properties of epoxy network containing PMMA-modified silsesquioxane

Zaioncz¹,

Dahmouche²,

Paranhos³

et al. 2009

Express Polym. Lett.

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Abstract.A new class of organic-inorganic hybrid nanocomposites was obtained by blending PMMA-modified silsesquioxane hybrid materials with epoxy matrix followed by curing with methyl tetrahydrophthalic anhydride. The hybrid materials were obtained by sol-gel method through the hydrolysis and polycondensation of the silicon species of the hybrid precursor, 3-methacryloxypropyltrimethoxysilane (MPTS), simultaneously to the polymerization of the methacrylate (MMA) groups covalently bonded to the silicon atoms. The nanostructure of these materials was investigated by small angle X-ray scattering (SAXS) and correlated to their dynamic mechanical properties. The SAXS results revealed a hierarchical nanostructure consisting on two structural levels. The first level is related to the siloxane nanoparticles spatially correlated in the epoxy matrix, forming larger hybrid secondary aggregates. The dispersion of siloxane nanoparticles in epoxy matrix was favored by increasing the MMA content in the hybrid material. The presence of small amount of hybrid material affected significantly the dynamic mechanical properties of the epoxy networks.

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“…Figures 4a shows the micrograph of neat epoxy. In this figure, fracture surface is plain and no shearing zone can be observed [11,12]. Figure 4b shows the micrograph of 10 wt% coconut shell particles filled in epoxy resin.…”

Section: Morphologymentioning

confidence: 99%

Experimental Investigations on Thermal Properties of Coconut Shell Particles in DAP Solution for Use in Green Composite Applications

Verma¹,

Singh²

2016

J Material Sci Eng

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Frequent use of various types of green composite in different applications has led to the great development in material science technology. Coconut shell which is generally considered waste material is been analysed here to get its desired properties and characteristics. Basically composite particles are studied using various macroscopic and microscopic approach and with various advance techniques like Scanning electron microscopy (SEM), Water absorption and Thickness swelling test, Thermal analysis, Thermo Gravimetric analysis (TGA) and Differential thermal analysis (DTA). In our work we have focused on the thermal analysis of coconut shell particles using TGA and DTA technology and finally the conclusion is made regarding the feasibility of using Coconut Shell Particle in Application of green composites.

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Synthesis and properties of epoxy resin modified with epoxy-terminated liquid polybutadiene

Cited by 126 publications

References 20 publications

Epoxy Resins

Epoxy Resins

Relationships between nanostructure and dynamic-mechanical properties of epoxy network containing PMMA-modified silsesquioxane

Experimental Investigations on Thermal Properties of Coconut Shell Particles in DAP Solution for Use in Green Composite Applications

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