New composites based on starch/Ecoflex®/biomass wastes: Mechanical, thermal, morphological and antimicrobial properties

Spiridon, Iuliana; Anghel, Narcis; Darie-Niță, Raluca Nicoleta; Iwanczuk, Andrzej; Ursu, Ramona Gabriela

doi:10.1016/j.ijbiomac.2019.11.185

Cited by 35 publications

(19 citation statements)

References 52 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…However, there was no significant effect on the number of grinding cycles. The result is compatible with the previous studies (Sadeghifar et al [ 45 ] Sirvio et al [ 46 ] and Shankar et al [ 14 ]).…”

Section: Resultssupporting

confidence: 94%

See 1 more Smart Citation

Ultrafine Friction Grinding of Lignin for Development of Starch Biocomposite Films

et al. 2021

View full text Add to dashboard Cite

The work demonstrates the utilization of fractionalized lignin from the black liquor of soda pulping for the development of starch-lignin biocomposites. The effect of ultrafine friction grinding on lignin particle size and properties of the biocomposites was investigated. Microscopic analysis and membrane filtration confirmed the reduction of lignin particle sizes down to micro and nanoparticles during the grinding process. Field Emission Scanning Electron Microscopy confirmed the compatibility between lignin particles and starch in the composites. The composite films were characterized for chemical structure, ultraviolet blocking, mechanical, and thermal properties. Additional grinding steps led to the reduction of large lignin particles and the produced particles were uniform. The formation of 7.7 to 11.3% lignin nanoparticles was confirmed in the two steps of membrane filtration. The highest tensile strain of the biocomposite films were 5.09 MPa, which displays a 40% improvement compared to starch films. Further, thermal stability of the composite films was better than that of starch films. The results from ultraviolet transmission showed that the composite films could act as an ultraviolet barrier in packaging applications.

show abstract

Section: Resultssupporting

confidence: 94%

“…The peaks at 1076 and 990 cm −1 are characteristics of an hydroglucose ring O–C stretching of starch [ 44 ]. After lignin addition, a new peak was recorded at 1508 cm −1 that attributed to the aromatic C=C ring deformation [ 46 ]. The results are in agreement with previous studies [ 9 , 35 , 46 ].…”

Section: Resultsmentioning

confidence: 99%

Ultrafine Friction Grinding of Lignin for Development of Starch Biocomposite Films

et al. 2021

View full text Add to dashboard Cite

show abstract

“…Spiridon and co-workers [107] introduced 20 wt.% of the pomace into a polymeric blend of PBAT and corn starch (60/20 wt.%). The addition of waste biomass to the polymer mixture allowed for a significant inhibiting effect of the growth of Escherichia coli and Staphylococcus aureus bacteria, which in case of the lack of modification, facilitates the growing tendency resulting from a high content of polysaccharides dispersed in the polymeric matrix.…”

Section: Anti-bacterial Activity Of the Fillersmentioning

confidence: 99%

Recent Advances in Development of Waste-Based Polymer Materials: A Review

2022

View full text Add to dashboard Cite

Limited petroleum sources, suitable law regulations, and higher awareness within society has caused sustainable development of manufacturing and recycling of polymer blends and composites to be gaining increasing attention. This work aims to report recent advances in the manufacturing of environmentally friendly and low-cost polymer materials based on post-production and post-consumer wastes. Sustainable development of three groups of materials: wood polymer composites, polyurethane foams, and rubber recycling products were comprehensively described. Special attention was focused on examples of industrially applicable technologies developed in Poland over the last five years. Moreover, current trends and limitations in the future “green” development of waste-based polymer materials were also discussed.

show abstract

“…For example, several researchers designed and manufactured single-wall or multi-wall carbon nanotube (CNT)-Ecoflex nanocomposite thin films as soft strain sensors [15,19,20,21], dielectric elastomer actuators [22], and smart keypad [23] with good sensitivity and flexibility. Other types of composites were demonstrated such as graphene foam/Ecoflex strain-pressure sensor [24,25], carbon black/thermoplastic polyurethane/Ecoflex composite strain sensor [26], and starch/Ecoflex/biomass waste composite green materials [27]. Ecoflex had also been applied to BaTiO3/Ecoflex-based piezoelectric nanogenerators for self-powered human motion monitoring [28] and multifunctional flexible piezo/triboelectric hybrid water energy harvesters based on biocompatible AlN and soft parylene-PDMS-Ecoflex [18].…”

Section: Introductionmentioning

confidence: 99%

On the stress recovery behaviour of Ecoflex silicone rubbers

Liao

Yang

Hossain

et al. 2021

International Journal of Mechanical Sciences

View full text Add to dashboard Cite

Silicone rubbers are promising materials that have extensively been used in many areas, including wearable electronic devices, actuator materials in soft robotics, and energy harvesters. Ecoflex, a commercially available polymer, is a group of silicone rubbers appearing with various Shore hardnesses that has become popular in recent years. While silicone rubbers in their real applications are subjected to repeated loadingunloading conditions, their mechanical behaviour under cyclic loading in different deformation modes and the corresponding stress recovery behaviour are yet to be well investigated. In this contribution, we conduct loading-unloading cyclic experiments in different time gaps between the first cycle and the second cycle to demonstrate the stress recovery behaviour after stress softening happens during the first cycle. For that, three different modes of deformations, i.e., uniaxial tension, planar tension, and equibiaxial tension tests are selected. Besides, Shore hardness dependence with different strain levels is also taken into consideration. The results show that the stress softening could recover significantly with time. These findings will help to understand the mechanical behaviour of Ecoflex silicone rubbers before selecting them in practical applications that are exposed to repeated loading-unloading cycles.

show abstract

New composites based on starch/Ecoflex®/biomass wastes: Mechanical, thermal, morphological and antimicrobial properties

Cited by 35 publications

References 52 publications

Ultrafine Friction Grinding of Lignin for Development of Starch Biocomposite Films

Ultrafine Friction Grinding of Lignin for Development of Starch Biocomposite Films

Recent Advances in Development of Waste-Based Polymer Materials: A Review

On the stress recovery behaviour of Ecoflex silicone rubbers

Contact Info

Product

Resources

About