Composites Containing Waste Materials

Koleva, Milena; Zheglova, Anka; Vassilev, V.; Fidančevska, Emilija

doi:10.5772/18215

Cited by 10 publications

(10 citation statements)

References 16 publications

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“…Ease of manufacturing is also a desired advantage . In the literature there exist efforts to employ glass, ceramic and porcelain ware and gypsum fiber production wastes, metallurgical, foundry and blast furnace slags, red mud, fly ash, flue dust, carbon black waste, and waste rubber as fillers for the reinforcement of polymer matrix materials . For example, Ahmed et al studied the development of natural rubber hybrid composites reinforced with marble sludge/silica and marble sludge/rice husk derived silica.…”

Section: Introductionmentioning

confidence: 99%

Production and characterization of a hybrid polymer matrix composite

2017

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The aim of this study was to develop low cost hybrid composites with enhanced mechanical properties by the addition of industrial wall tile and glass fiber wastes into epoxy resin. This process not only reduces the production cost, but also helps to eliminate solid wastes. The detailed characterization of waste particulate fillers was performed by scanning electron microscopy, X‐ray diffraction, X‐ray fluorescence, laser diffraction, and He gas picnometer techniques. The effects of the ceramic particulates to glass fiber ratio and the particle size of the waste materials on the physical and mechanical properties were determined with a fixed polymer to filler ratio of 40:60. The density, three point bending strength, impact resistance and hardness of the hybrid composites were measured. The results indicated that when the filler particle size increased, the bulk density almost remained unchanged, and the bending strength and impact resistance decreased, while the hardness and flexural modulus were almost constant. Because of the weak matrix‐reinforcement interphase, mechanical properties deteriorated with the increasing amount of waste glass fiber and better mechanical properties were achieved with the use of finer particles. As a result of incorporation of industrial wastes such as ground ceramic wall tile and glass fiber instead of expensive fillers, low cost reinforcement of the hybrid epoxy matrix composites was achieved. POLYM. COMPOS., 39:4080–4093, 2018. © 2017 Society of Plastics Engineers

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Section: Introductionmentioning

confidence: 99%

Production and characterization of a hybrid polymer matrix composite

2017

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“…Many inorganic waste materials which have a promising future have been used as filler lately. Utilization of inorganic waste materials provides production with low‐cost, and also hinders environmental pollution via reducing waste accumulation . One of the outstanding inorganic waste materials is steel slag that is a byproduct of steelmaking industries in the world .…”

Section: Introductionmentioning

confidence: 99%

Properties of polymer composites based on bisphenolAepoxy resins with original/modified steel slag

Guzel

Deveci

2016

Polymer Composites

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Recently, many inorganic solid wastes have accumulated as a byproduct in several industries and their storage is one of the major problems. Among these wastes, steel slag has attracted attention to utilize with different purposes. In this study, original steel slag (OS) and modified steel slag (MS) were evaluated as a filler to prepare low-cost epoxy composites. The effect of components on the properties of steel slag/ epoxy composites (SECs) was investigated with various analyses and tests. Physicomechanical and thermal properties of the SECs were compared with each other and neat epoxy resin (ER). Good dispersion of OS and MS in the ER matrix was determined with Xray diffraction (XRD) pattern and scanning electron microscopy (SEM). Tensile strength, Young modulus, and hardness values of the SECs were enhanced after modification of OS. Any change on adhesion and corrosion resistance of the SECs was not observed; however water sorption percent was increased with the addition of components. As per thermogravimetric analyses (TGA) and vicat softening temperature (VST) analyses, SECs cured with anhydride showed higher decomposition temperature than the other hardener.

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“…Increasing concern about the environment, as well as tightened environmental laws, have forced companies in the waste business to improve and encourage the recycling of wastes. Material recycling and the utilization of wastes reduce the production costs, environmental pollution and the use of non-renewable (oil-based) resources, as well as improve the properties of materials ( Bledzki et al, 2010 ; Hyvärinen and Kärki, 2015 ; Koleva et al, 2011 ; La Mantia and Morreale, 2008 ; Nourbakhsh and Ashori, 2010 ; Panthapulakkal and Sain, 2007 ; Srivastava and Maurya, 2015 ).…”

Section: Introductionmentioning

confidence: 99%

Sorting efficiency in mechanical sorting of construction and demolition waste

Hyvärinen

Ronkanen²,

Kärki

2020

Waste Manag Res

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The requirements for the recycling of construction and demolition waste are tightening, and companies in the waste business have improved their performance to comply with new legislation. Construction and demolition waste includes various recyclable materials, such as metals, plastics and wood. However, effective material recovery requires functional and reliable technology for sorting in order to separate waste fractions into useful secondary materials or applications. This paper concerns the mechanical sorting efficiency of construction and demolition waste with a commercial mechanical sorting equipment consisting of a roller screening and an air separation unit. Sorting ability is studied with pre-sorted and crushed test material. Sieve analysis of pre-sorted test material is used to define particle size distribution before sorting. The quality criteria of construction and demolition waste vary greatly, depending on a number of factors which pose a challenge to the operation of the sorting system. The studied sorting equipment was found to be reliable for producing nine different fractions from pre-sorted and crushed material mixtures. The requirements for the purity level of the fractions and the profitability of utilization define the number of fractions to be sorted cost-efficiently. Typically, a compromise between cost and purity level has to be found.

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Composites Containing Waste Materials

Cited by 10 publications

References 16 publications

Production and characterization of a hybrid polymer matrix composite

Production and characterization of a hybrid polymer matrix composite

Properties of polymer composites based on bisphenolAepoxy resins with original/modified steel slag

Sorting efficiency in mechanical sorting of construction and demolition waste

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