<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The article presents the results of research on the modification of Epidian 5 epoxy resin by introducing natural modifiers. It's easy accessibility and biodegradability has a positive effect on environmental protection, cost-effectiveness of the process, useful and strength properties of composites. Still looking for the best solutions in the production of epoxy composites combining these features, we have attempted to compare and select the most optimal natural modifier. The epoxy resin was modified with collagen, hemp fibres, cellulose from pepper extraction residues. The amount of amine hardener suggested by the manufacturer was added to the composition. Each composition was cured at room temperature for 24 hours and then cured at 80°C for 3 hours. The prepared composites were subjected to impact assessment additions for mechanical properties, impact strength, three-point bending strength, critical stress intensity factor and gel time.</p></abstract>

The article presents the results of research on the modification of Epidian 5 epoxy resin by introducing natural modifiers. It's easy accessibility and biodegradability has a positive effect on environmental protection, cost-effectiveness of the process, useful and strength properties of composites. Still looking for the best solutions in the production of epoxy composites combining these features, we have attempted to compare and select the most optimal natural modifier. The epoxy resin was modified with collagen, hemp fibres, cellulose from pepper extraction residues. The amount of amine hardener suggested by the manufacturer was added to the composition. Each composition was cured at room temperature for 24 hours and then cured at 80°C for 3 hours. The prepared composites were subjected to impact assessment additions for mechanical properties, impact strength, three-point bending strength, critical stress intensity factor and gel time.

The modification of an epoxy resin by natural plant materials

University of Technology and Humanities in Radom

Faculty of Chemical Engineering and Commodity Science

Environmental Protection and Natural Resources

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"The modification of an epoxy resin by natural plant materials"}

The article presents the results of research on the modification of Epidian 5 epoxy resin by introducing natural modifiers. It's easy accessibility and...

Composition	Ep	Ep + Hemp fibres				Ep + Pepper powder				Ep + Collagen
% Natural filler	0	5	10	15	20	5	10	15	20	5	10	15	20
Gel time (min)	65	67	68	70	74	104	95	76	58	85	94	104	107

PROPERTIES	NATURAL FIBRES	GLASS FIBRES
Density	low	3 x higher
Renewability	yes	No
Recyclability	yes	No
Health risks during inhalation	low	High
Biodegradability	yes	No

The modification of an epoxy resin by natural plant materials

Publicado en línea: 31 mar 2020

Páginas: 14 - 20

DOI: https://doi.org/10.2478/oszn-2020-0003

Palabras clave
Epoxy resin, natural filler, biocomposites, mechanical properties

© 2020 Joanna Masiewicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Figure 2

Figure 3

Figure 4

Gel time of composites containing 5–20% natural filler

Characteristics of natural fibres and glass fibres

The modification of an epoxy resin by natural plant materials

Publicado en línea: 31 mar 2020

Páginas: 14 - 20

DOI: https://doi.org/10.2478/oszn-2020-0003

Palabras claveEpoxy resin, natural filler, biocomposites, mechanical properties

© 2020 Joanna Masiewicz et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Figure 1

Figure 2

Figure 3

Figure 4

Gel time of composites containing 5–20% natural filler

Characteristics of natural fibres and glass fibres

Palabras clave
Epoxy resin, natural filler, biocomposites, mechanical properties