Development and Characterization of Polymer Eco-Composites Based on Natural Rubber Reinforced with Natural Fibers

Stelescu, Maria-Daniela; Mănăilă, Elena; Crăciun, Gabriela; Chirila, Corina

doi:10.3390/ma10070787

Cited by 50 publications

(36 citation statements)

References 50 publications

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“…2 The increasing attraction for these biopolymers is possibly due to two main reasons, that is, environmental concerns and the fear of depletion of petroleum resources as they are considered to be finite. 3,4 So it is the need of hour to have a permanent replacement for these non-biodegradable polymers by using polymers that are biodegradable. 2,5 Elastomers are widely used in blends or composites.…”

Section: Introductionmentioning

confidence: 99%

Silanized silica compatibilization of NBR/gelatin blends for the production of green rubber products

Gill

Irfan

Saeed

et al. 2018

Journal of Elastomers & Plastics

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In this study, acrylonitrile butadiene rubber (NBR)–gelatin blends were prepared by conventional melt blending process at 40°C processing temperature and 50 r min−1 rotor speed in a Brabender-Plasticorder. Gelatin loading was varied from 10 to 50 phr. The extent of reinforcement was more prominent at 30 phr gelatin loading without compatibilization. Up to 30 phr gelatin loading, the tensile strength, abrasion resistance, and morphological properties of blends increased. After 30 phr gelatin loading, the toughness and abrasion resistance declined for samples containing 40 and 50 phr gelatin. However, cross-link density and hardness kept on increasing beyond 30 phr loading. At optimum loading of 30 phr of gelatin, 3, 3.5, and 4 phr of nano-silanized silica was added as a compatibilizer for further improvement in properties. After compatibilization of 30 phr gelatin sample with 4 phr of nano-silanized silica, the extent of reinforcement in terms of tensile strength was improved from 8.97 to 9.92 MPa.

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Section: Introductionmentioning

confidence: 99%

Silanized silica compatibilization of NBR/gelatin blends for the production of green rubber products

Gill

Irfan

Saeed

et al. 2018

Journal of Elastomers & Plastics

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“…The absorption peak of 835 cm −1 corresponds to the aliphatic group attached to the double bond C=C, which indicates the presence of natural rubber [ 60 ]. Moreover, characteristic bonds of the ν as (CH 3 ), ν as (CH 2 ) and ν s (CH 2 ) were recorded for the 2850–2960 cm −1 absorption range [ 61 ].…”

Section: Resultsmentioning

confidence: 99%

Common Nettle (Urtica dioica L.) as an Active Filler of Natural Rubber Biocomposites

2021

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Common nettle (Urtíca Dióica L.), as a natural fibrous filler, may be part of the global trend of producing biocomposites with the addition of substances of plant origin. The aim of the work was to investigate and explain the effectiveness of common nettle as a source of active functional compounds for the modification of elastomer composites based on natural rubber. The conducted studies constitute a scientific novelty in the field of polymer technology, as there is no research on the physico-chemical characteristics of nettle bio-components and vulcanizates filled with them. Separation and mechanical modification of seeds, leaves, branches and roots of dried nettle were carried out. Characterization of the ground plant particles was performed using goniometric measurements (contact angle), Fourier transmission infrared spectroscopy (FTIR), themogravimetric analysis (TGA) and scanning electron microscopy (SEM). The obtained natural rubber composites with different bio-filler content were also tested in terms of rheological, static and dynamic mechanical properties, cross-linking density, color change and resistance to simulated aging processes. Composites with the addition of a filler obtained from nettle roots and stems showed the highest mechanical strength. For the sample containing leaves and branches, an increase in resistance to simulated ultraviolet and thermo-oxidative aging processes was observed. This phenomenon can be attributed to the activity of ingredients with high antioxidant potential contained in the plant.

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“…The main concern on the application of these biopolymers is their contamination of the available recycling processes/system. Amongst other polymeric materials, rubber materials were also utilized to produce hybrid composite materials via two roll mill followed by hydraulic pressing were used to produce hybridized composites [39,40].…”

Section: Thermoplasticmentioning

confidence: 99%

Recent progress on natural fiber hybrid composites for advanced applications: A review

Mochane¹,

Mokhena²,

Mokhothu³

et al. 2019

Express Polym. Lett.

321

151

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Natural fibers, as replacement of engineered fibers, have been one of the most researched topics over the past years. This is due to their inherent properties, such as biodegradability, renewability and their abundant availability when compared to synthetic fibers. Synthetic fibers derived from finite resources (fossil fuels) and are thus, affected mainly by volatility oil prices and their accumulation in the environment and/or landfill sites as main drawbacks their mechanical properties and thermal properties surpass that of natural fibers. A combination of these fibers/fillers, as reinforcement of various polymeric materials, offers new opportunities to produce multifunctional materials and structures for advanced applications. This article intends to cover recent developments from 2013-up to date on hybrid composites, based on natural fibers with other fillers. Hybrid composites preparation and characterization towards their applicability in advanced applications and the current challenges are also presented.

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Development and Characterization of Polymer Eco-Composites Based on Natural Rubber Reinforced with Natural Fibers

Cited by 50 publications

References 50 publications

Silanized silica compatibilization of NBR/gelatin blends for the production of green rubber products

Silanized silica compatibilization of NBR/gelatin blends for the production of green rubber products

Common Nettle (Urtica dioica L.) as an Active Filler of Natural Rubber Biocomposites

Recent progress on natural fiber hybrid composites for advanced applications: A review

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