Effect of Surface Treatment on the Performance of Polyester Composite Filled with Waste Glove Rubber Crumbs

Zhong

Journal of Cleaner Production

et al. 2021

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Section: Raw Materialsmentioning

confidence: 99%

“…Besides, the presence of zinc stearate on the surface of CR forms a layer, which makes the cementitious matrix difficult to well adhere with the CR (Nuzaimah et al, 2020a). However, using…”

Section: Effect Of Crumb Rubbermentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Engineering properties and sustainability assessment of recycled fibre reinforced rubberised cementitious composite

Zhong

Journal of Cleaner Production

et al. 2021

“…For example, recycled plastic, 24 waste glass, 25 wood ash, 26 vehicle tires, 27,28 latex waste, 29 and silicone rubber waste/waste glove. 30 In civil constructions, the composite fillers can replace more expensive materials and enhance certain concrete properties like the thermal conductivity, stiffness and energy absorbance. 31,32 Studies on contribution of elevated temperature on the compressive strength of concrete incorporated with polymer composite have been reported in literatures.…”

Section: Introductionmentioning

confidence: 99%

Thermal energy storage phase change material cement mortar incorporated with clinical waste composites

et al. 2021

Clinical wastes generated from hospitals and other health care institutions have increased globally, partly because of COVID-19 pandemic. Appropriate handling and disposal of this wastes is important because of their impact on human and environment. One approach is the use this wastes as composite fillers in phase change material (PCM) added into concrete and mortars used in built sector. This study investigates silicon catheter waste (SCW) and latex glove waste (LGW) as fillers mix with PCM cement mortar and evaluates the thermal performance. To determine a viable inclusion method for the cement mortar varying weight (2.5, 5.0, 7.5, and 10.0)% of PCM mixed with SCW and LGW were used as replacement of the composite aggregates. Characterization of the encapsulate PCM cement mortar and thermal analysis under elevated temperatures, compressive strength test, water absorption, porosity, and density was conducted. The microstructural analysis and thermal behavior of the modified specimens after 28 days was tested under dynamic ambient condition. From the result the quality of the cement mortar reduced from excellent to poor as the loading concentration increased from 0 to 10%. The addition of the PCM SCW and PCM LGW to the cement mortar reduced the compressive strength by 38% and 40%, respectively. The density value reduced by 3.2% and 6.8% under elevated temperature and the water absorption increased by 56% and 39%. The morphology of PCM cement mortar mixed with SCW and LGW showed less void spaces with increased homogenous formation.No thermal decomposition was observed in the PCM cement mortar with the addition of the SCW and LGW at elevated temperatures. The SCW and LGW fillers increased the thermal conductivity of the PCM mortar by 14% and 18%, and prolonged the surface temperature by 5 hours by an average of 5 C and 7 C, respectively. In addition, the SCW and LGW fillers mixed with PCM cement mortar was found to enhance the thermal performance by 65% compared with the typical cement mortar. There are huge potential on their application in building and construction industry.

“…Theodore et al [10] have reported cure and mechanical properties of elastomeric compounds containing devulcanized material. Nuzaimah et al [11] reported surface treatment of rubber crumbs conducted after grinding the waste gloves under cryogenic conditions and composites were fabricated by adding the treated rubber to the unsaturated polyester. The NaOH treated waste rubber crumbs improve adhesion between rubber and polyester, which increases the tensile strength of the composite.…”

Section: Introductionmentioning

confidence: 99%

Characterization of Blends of Virgin Nitrile Rubber and Compounded Nitrile Rubber Latex Waste Reclaimed with Urea: Part II - Physico-Mechanical Properties

2021

Recycling of rubber waste materials in order to convert these to usable products is one of the main challenges in the rubber industry. Reclaiming of rubber waste and blending it with virgin rubber have increased during the past due to the growing concern on the environment and increase in the prices of synthetic rubbers. Hence, the aim of this study is to partially replace virgin nitrile rubber (NBR) with reclaimed compounded NBR latex waste to develop new rubber blends suitable for special applications. In this study, physico-mechanical properties, ageing performance and swelling behaviour of virgin NBR / reclaimed NBR blend vulcanizates were evaluated and compared with those of the control vulcanizate produced solely with virgin NBR. Results showed that replacement of 50% virgin NBR with reclaimed NBR retained 71-86% of tensile strength, elongation at break and resilience. Hardness and modulus of this blend vulcanizate increased by less than 18%, whereas abrasion volume loss and compression set increased by 27%. Ageing resistance is similar to that of the control vulcanizate. Interestingly, resistance to swelling in toluene and ASTM oil No.3 increased by 14% and 32%, respectively. Hence, the 50:50 virgin NBR / reclaimed NBR vulcanizate would be suitable for oil resistant applications.