Abstract
Over the past decades, increased scientific and research activity has been observed in the development of new, innovative materials for various end uses. This is mainly due to the growing ecological, environmental, and material awareness of many industries and societies. Equisteum arvense-horsetail is a plant that has demonstrated its properties in pharmacological and clinical aspects as well as in vitro and in vivo biological activity. This article presents a new method of using horsetail as a natural, lignocellulosic filler for a natural rubber matrix. In-depth characteristics of the applied bio-additive were prepared based on several research techniques and methods such as ultraviolet-visible spectroscopy, Fourier-transform infrared spectroscopy, scanning electron microscopy with energy dispersive X-RAY spectroscopy, thermogravimetric analysis, and flame atomic absorption spectroscopy. Elastomer composites were prepared as a function of horsetail content. Then, an analysis of their main functional properties was performed, including mechanical properties and susceptibility to accelerated aging processes such as thermo-oxidative, ultraviolet radiation, and weathering. The research emphasizes the significant value of horsetail in its new role—as an active filler of elastomer biocomposites. The obtained results confirmed that horsetail is lignocellulosic material thermally stable up to 180 °C. Horsetail is an active filler to natural rubber, positively affecting mechanical strength. Due to the presence of flavonoids and phenolic acids in horsetail, it can be used as a polymer anti-aging agent.
Highlights
Equisetum arvense, commonly referred to as horsetail, is a well-known and widespread pteridophyte growing in the northern hemisphere [1]
280–230range nm, of many phenolic acids contained in Equisteum arvense exhibit their absorbance
In the case of UV aging, a clear improvement in resistance to UV radiation was obtained for vulcanizates containing horsetail
Summary
Commonly referred to as horsetail, is a well-known and widespread pteridophyte growing in the northern hemisphere [1]. It occurs abundantly throughout Europe, Asia, and North. E. arvense is a species of perennial plant from the Equisetaceae family. It is the only contemporary genus belonging to the horsetail type (cluster) [2]. The history of Equisetum dates to the Cretaceous period, and it is estimated that perhaps even the Triassic This suggests that it may be one of the oldest living types of vascular plants [3]. The Equisteum species has been the subject of increased research undertaken over the decades [4,5,6]
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