Abrasion Resistance of High Performance Fabrics

Škoc, Maja Somogyi; Pezelj, Emira

doi:10.5772/28485

Cited by 3 publications

(3 citation statements)

References 1 publication

(1 reference statement)

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“…From Figure 4 , it is observed that uncoated PES (ref) had very good abrasion resistance, as expected [ 23 ], although the mass loss increased, with increased rubbing cycles (up to 0.41% after 20,000 rubbings). By the repeated rubbing on the textile’s surface, the fibres are bent and shifted in the rubbing direction.…”

Section: Resultssupporting

confidence: 79%

The Efficacy of Polymer Coatings for the Protection of Electroless Copper Plated Polyester Fabric

et al. 2020

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The selective metallisation of textiles is becoming a very important process in the development of electronic or e-textiles. This study investigated the efficacy of polymer coatings for the protection of copper (Cu) conductive tracks electroless plated on polyester (PES) fabric against laundering and rubbing, without essentially affecting the physical-mechanical and optical properties of the base material. After the electroless deposition of a consistent layer of Cu onto PES, four polymers were applied individually by screen-printing or padding. The physical-mechanical characterisation of coated textiles revealed that polyurethane resin (PUR) and modified acrylate resin (AR) had little effect on the air permeability, tensile strength and breaking tenacity of the PES, as compared to silicone elastomer polydimethylsiloxane (PDMS) and epoxy resin (ER). On the other hand, PUR and PDMS had higher abrasion resistance and photo-stability under prolonged UV irradiation, as compared to AR and ER. In addition, freshly Cu plated samples were coated with polymers, washed up to 30 cycles and characterised by measuring their electrical resistivity, determination of colour changes and the examination of the surface morphology. Based on these results, PUR presented the most suitable protection of Cu tracks on PES, with the lowest impact on physical-mechanical properties. ER is not recommended to be used for protection of Cu tracks on fabrics, due to its rigidity, low photo-stability, washing and wear durability.

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Section: Resultssupporting

confidence: 79%

The Efficacy of Polymer Coatings for the Protection of Electroless Copper Plated Polyester Fabric

et al. 2020

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“…A Martindale apparatus (SDLATLAS M235, Rock Hill, USA) was used to test the abrasion resistance of fabrics using the Martindale method, in accordance with ISO 12947-2:2017 Textiles—Determination of abrasion resistance of fabrics by the Martindale method—Part 2: Determination of specimen breakdown [ 21 ]. Abrasion occurs with textiles and is caused by friction, resulting in textile material wear [ 22 ]. Specimens of a circular shape with a diameter of 60 mm were placed in the special heads of the Martindale apparatus by loading them with a mass of 795 g. Small discs of wool abradant fabric were then continually rubbed against the fabric in a circular motion, until two yarns broke or when there was a noticeable change in appearance.…”

Section: Methodsmentioning

confidence: 99%

Analysis of the Flammability and the Mechanical and Electrostatic Discharge Properties of Selected Personal Protective Equipment Used in Oxygen-Enriched Atmosphere in a State of Epidemic Emergency

Dowbysz

Kukfisz

Siuta

et al. 2022

IJERPH

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Numerous fires occurring in hospitals during the COVID-19 pandemic highlighted the dangers of the existence of an oxygen-enriched atmosphere. At oxygen concentrations higher than 21%, fires spread faster and more vigorously; thus, the safety of healthcare workers and patients is significantly reduced. Personal protective equipment (PPE) made mainly from plastics is combustible and directly affects their safety. The aim of this study was to assess its fire safety in an oxygen-enriched atmosphere. The thermodynamic properties, fire, and burning behavior of the selected PPE were studied, as well as its mechanical and electrostatic discharge properties. Cotton and disposable aprons were classified as combustible according to their LOI values of 17.17% and 17.39%, respectively. Conall Health A (23.37%) and B/C (23.51%) aprons and the Prion Guard suit (24.51%) were classified as self-extinguishing. The cone calorimeter test revealed that the cotton apron ignites the fastest (at 10 s), while for the polypropylene PPE, flaming combustion starts between 42 and 60 s. The highest peak heat release rates were observed for the disposable apron (62.70 kW/m2), Prion Guard suit (61.57 kW/m2), and the cotton apron (62.81 kW/m2). The mean CO yields were the lowest for these PPEs. Although the Conall Health A and B/C aprons exhibited lower pHRR values, their toxic CO yield values were the highest. The most durable fabrics of the highest maximum tensile strength were the cotton apron (592.1 N) and the Prion Guard suit (274.5 N), which also exhibited the lowest electrification capability. Both fabrics showed the best abrasion resistance of 40,000 and 38,000 cycles, respectively. The abrasion values of other fabrics were significantly lower. The research revealed that the usage of PPE made from polypropylene in an oxygen-enriched atmosphere may pose a fire risk.

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“…The rate of abrasion of the hydraulic structures depends on the characteristics of the concrete, like the ratio of the water to the composition of the cement (Rahmani, Shamsai, Saghafian, & Peroti, 2012), (E. Horszczaruk, 2004), (Abid, Abdul-Hussein, Ayoob, Ali, & Kadhum, 2020), (Zhou, Xie, Jia, & Wang, 2020), (Somogyi & Pezelj, 2012) grade of the cement, shape and hardness of the aggregates, size, type of fibres, and curing of the surface. Additionally, the environmental factors affecting abrasion are characteristics of the particles responsible for abrasion, the velocity of water, and impact angle.…”

Section: Factors Affecting the Abrasion Of Concrete Surfacementioning

confidence: 99%

Analysis of Abrasion Depth and Rates in Concrete

Ansari¹

2021

MAS

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Abrasion is a major problem in hydraulic structures as they are continuously exposed to various types of water. Henceforth, these structures are susceptible to damage and require heavy maintenance. There is a significant demand in finding new techniques for improving the resistance towards the erosion of the concrete used in the construction of hydraulic structures. This work put forth a comparative analysis of the performance of two different types of concretes towards resistance namely, high-performance fiber reinforced concrete (HPFRC) [steel fibers (30 mm and 50 mm) and polypropylene fibers (19 mm)] and high-performance concrete (HPC). A comparative study was carried out based on their resistance towards wearing and hydro-abrasion erosion. The analyses were conducted using the WMP ECLIPSE method and ASTM C 1138 method. The results indicated that the rate of abrasion could be diminished by 18% based on the types of cement, fibers, concrete and modifications like the addition of silica fume. 

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Abrasion Resistance of High Performance Fabrics

Cited by 3 publications

References 1 publication

The Efficacy of Polymer Coatings for the Protection of Electroless Copper Plated Polyester Fabric

The Efficacy of Polymer Coatings for the Protection of Electroless Copper Plated Polyester Fabric

Analysis of the Flammability and the Mechanical and Electrostatic Discharge Properties of Selected Personal Protective Equipment Used in Oxygen-Enriched Atmosphere in a State of Epidemic Emergency

Analysis of Abrasion Depth and Rates in Concrete

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