Recycled Polyethylene Terephthalate Fibers Research Articles

The Effect of 0.8% Polyethylene Terephthalate Plastic Waste Substitution on the Flexural Strength on K-175 Concrete

The use of plastics in daily life continues to increase in a variety of uses. One of the most commonly used plastic that is difficult to decompose is Polyethylene Terephthalate (PET) plastic. In recent years, such as the construction industry, has been trying to reuse the waste as construction material. Therefore, this research aims to contribute by exploring the effect of PET plastic fiber substitution as fine aggregate on the flexural strength of concrete. PET plastic fibers were used at 0.8% as partial replacement of fine aggregates and then chopped to a size of 5 cm long, 1-3 mm wide. The test results indicate that concrete containing 0.8% PET plastic fiber as a substitution of fine aggregate has a higher flexural strength value of 4.32% which is better than normal concrete. Therefore, using recycled PET fiber in concrete is needed as an eco-friendly and sustainable construction material in the future in order to minimize PET plastic waste and replace it as a concrete constituent material.

Mechanical properties of cement mortar with gamma-irradiated recycled plastic powder, pellet, and fiber

This study aimed to investigate the impact of gamma irradiated recycled polyethylene terephthalate (PET) pellets, powder, and fibers on the mechanical performance and ductility of cementitious mortar. The sensitivity to gamma irradiation was explored by varying the irradiation rate and total dose. The recycled PET additives employed in this experiment consisted of pellets and their different application forms: powder and fiber, containing 30 % recycled raw materials polymerized through a chemically recycled method. For comparison, plain mortar composite and virgin PET mortar composite were used as controls. When PET pellets partially replaced the aggregate, the compressive strength of the composite decreased significantly as the volume fraction of pellets increased. Conversely, specimens partially replaced by PET powder showed an overall increase in compressive strength compared to the control specimens, regardless of the volume fraction of powder, gamma irradiation rate, or total dose, with no change in ductility. To assess changes in tensile strength and ductility of the recycled PET fibers under different gamma irradiation rates and total doses, direct fiber tensile tests were conducted. The gamma-irradiated fiber specimens exhibited a slight increase in strength and ductility. This information allowed for the calibration of the tensile material constitutive relationship of PET fibers, which was subsequently used in nonlinear finite element analysis. The study also investigated the variation in direct tensile, compressive, and flexural strengths with different volume fractions of fiber. The results indicated that the strength enhancement was minimal, but the direct tensile and flexural tensile analyses predicted an enhancement.

Fabrication and properties of polyethylene terephthalate (PET) aerogel composites from plastic bottle waste

To solve environmental problems of plastic waste, novel polyethylene terephthalate (PET) aerogel composites from recycled PET fibres of plastic bottles are developed successfully for the first time in this work. The PET honeycomb structures with various cell sizes are fabricated by layering and then bonding PET sheets with ethyl cyanoacrylate. The honeycomb cells are filled with the recycled PET fibres and a polyvinyl alcohol (PVA) cross-linker and then freeze-dried at −70 °C, 100 Pa for 48 h to obtain the PET aerogel composites (PACs). Effects of the various honeycomb cell sizes (1.0 – 2.0 cm), and PET-PVA ratios (5–1, 10–1, and 20–1), on the 3-dimensional (3D) mechanical and thermal properties of the PACs are investigated comprehensively. Due to the light-weight PET aerogel (PA) contribution, the PACs have the ultra-low densities of 0.042 – 0.072 g/cm3 and low thermal conductivities of 0.033 – 0.038 W/m·K. The honeycomb structure with the smallest cell size of 1.0 cm exhibits the highest compressive modulus of 15.30 MPa in the out-of-plane direction and 0.070 – 0.128 MPa in the other in-plane directions of the PAC. The compressive strength of the PACs in the out-of-plane direction is up to 730 times greater than those in the other in-plane directions and 2550 times greater than that of the PAs. The developed PACs perform better than aramid honeycomb-reinforced silica aerogel composites and common commercial products. They can be good alternatives for building insulation and cold chain applications.

Melt Spinning Process Optimization of Polyethylene Terephthalate Fiber Structure and Properties from Tetron Cotton Knitted Fabric.

Polyester/cotton fabrics with different proportions of Tetron Cotton, TC (35% Cotton/65% PET), and Chief Value Cotton, CVC (60% Cotton/40% PET), were investigated by removing the cotton component under various phosphoric acidic conditions including the use of cellulase enzymes. The remaining polyethylene terephthalate (PET) component was spun using the melt spinning method. Only 85% H3PO4-Enz_TC could be spun into consistent filament fibers. The effects of Acid-Enz TC (obtained from a powder preparation of 85% H3PO4-Enz_TC) at different weight amounts (1, 2, 5, and 10 %wt) blending with WF-rPET powder prepared by white recycled polyester fabric were evaluated for fiber spinnability at different winding speeds of 1000 and 1500 m/min. The results revealed that recycled PET fiber spun by adding Acid-Enz_TC up to 10 %wt gave uniformly distributed filament fibers. A comparative study of the physical, thermal, and mechanical properties also investigated the relationship between the effect of Acid-Enz_TC and the structure of the obtained fibers. Acid-Enz_TC:WF-rPET (5:95) was the optimal ratio. The thermal values were analyzed by DSC and TGA and crystallinity was analyzed by XRD, with mechanical strength closed to 100% WF-rPET. The FTIR analysis of the functional groups showed the removal of cotton from the blended fabrics. Other factors such as the Acid-Enz_TC component in WF-rPET, extraction conditions, purity, thermal, chemical, and exposure experiences also affected the formability and properties of recycled PET made from non-single-component raw materials. This study advanced the understanding of recycling PET from TC fabrics by strategically removing cotton from polyester-cotton blends and then recycling using controlled conditions and processes via the melt spinning method.

Mechanical and morphological properties of unsaturated polyester resin composites reinforced with recycled PET fibers of varying lengths

Purpose This study aims to deal with both the development and mechanical investigations of unsaturated polyester matrix (UPR) composites containing recycled polyethylene terephthalate (PET) fibers as new fillers. Design/methodology/approach UPR/PET fibers composites have been developed as mats by incorporating 5, 8, 13 and 18 parts per hundred of rubber (phr) of 6-, 10- and 15-mm length PET fibers from the recycling of postconsumer bottles. The mechanical and physical properties of the composites were investigated as a function of fiber content and length. A significant increase in stress at break and in ultimate stress (sr) were observed for composites reinforced with 5 and 8 phr of 15-mm length PET fibers. The Izod impact strength of UPR/mat PET fiber composites as a function of fiber rate and length showed that the 5 and 8 phr composites for the 15-mm length PET fiber have the optimal mechanical properties 13.55 and 10.50 Kj/m2, respectively. The morphological study showed that the strong adhesion resulting from the affinity of the PET fiber for the UPR matrix. The ductile fracture of materials reinforced with 5 and 8 phr is confirmed by the fiber deformation and fracture surface roughness. Findings This study concluded that the PET fiber enhances the properties of composites, a good correlation was observed between the results of the mechanical tests and the structural analysis revealing that for the lower concentrations, the PET fibers are well dispersed into the resin, but entanglements are evidenced when the fiber content increases. Originality/value It can be shown from scanning electron microscopy micrographs that the fabrication technique produced composites with good interfacial adhesion between PET fibers and UPR matrix.

A novel development of HPC without cement: Mechanical properties and sustainability evaluation

In the current study, a new type of high-performance concrete (HPC) called HPC-CAS (calcium oxide-activated slag) is presented. The HPC-CAS is made from calcium oxide-activated slag and is reinforced with steel, basalt, and recycled polyethylene terephthalate (PET) fibers to make it less brittle. To assess the mechanical properties of the samples, five mix designs were produced, including HPC, HPC-CAS without reinforcement, and HPC-CAS reinforced with fibers. Compressive, splitting tensile, and flexural strengths were then determined. In addition, the study evaluated the environmental impact of different mix designs using two methods: IMPACT 2002+ and CML baseline 2000. The findings indicate that in HPC-CAS, calcium oxide serves as the activator for slag, resulting in a compressive strength of 105 MPa, which is only 4.54% lower than that of HPC. Notably, incorporating steel and recycled PET fibers addresses the issue of brittle fracture in HPC and HPC-CAS samples, leading to compressive strengths of 121 MPa and 78 MPa, respectively. When compared to samples without fibers, the inclusion of steel, basalt, and recycled PET fibers in HPC-CAS resulted in improved splitting tensile strengths of 159%, 89%, and 55%, respectively. The samples containing steel, basalt, and recycled PET fibers also revealed flexural strengths with 3.68 and 1.20 times, and 31% increase, respectively, as compared to those without fibers. Overall, the incorporation of fibers significantly enhanced the brittle behavior of the HPC-CAS geopolymer matrix. However, it is important to note that the addition of 3% fibers to HPC-CAS resulted in higher environmental impacts in all categories as compared to HPC-CAS without fibers. Furthermore, the embodied carbon footprint associated with the production of HPC-CAS was found to be significantly lower, with a reduction of approximately 61%. Furthermore, when comparing HPC-CAS to HPC, it is evident that HPC-CAS exhibits decreased adverse effects on human health, ecosystem quality, and resource utilization.

Effects of material non-linearity on the structural performance of sandwich beams made of recycled PET foam core and PET fiber composite facings: Experimental and analytical studies

This paper presents the results of experimental and analytical studies on sandwich beams subjected to three-point bending beyond their limit of proportionality. The sandwich beams were composed of polyethylene terephthalate (PET) fiber-reinforced polymer (FRP) composite facings and recycled PET (R-PET) foam core made from post-consumer plastic bottles. The study tested three R-PET core densities (70, 80, and 100 kg/m3) and compared the results to a control group with 100 kg/m3 core density and glass FRP facings. The beam geometry and testing set-up were consistent throughout the study, with 12 beams tested in total. The results showed that all specimens exhibited non-linear load–deflection behavior, resulting in developing a non-linear analytical model using decreasing secant elastic and shear moduli under increasing loads. The proposed model was validated, and a parametric analysis was performed to evaluate its mechanical performance under different conditions, including variations in span length and the thickness of the core and facing components. Additionally, the study created a novel failure mode map to predict the failure mechanism of the sandwich panels based on core density and the PET FRP facing thickness to span length ratio, considering the non-linear behavior of both components. As a result, this study provides valuable insights into using recycled materials in construction, contributing to reducing plastic waste and mitigating environmental impact.

Effect of the Chemical and Mechanical Recycling of PET on the Thermal and Mechanical Response of Mortars and Premixed Screeds.

In this paper, recycled polyethylene terephthalate (PET) was used to produce eco-innovative engineering materials with optimized performance, minimizing the environmental impact deriving from plastic consumption activity and limiting the continuous consumption of raw materials. The recycled PET obtained from waste bottles, commonly used to improve the ductility of concrete, has been used with a different weight percentage as plastic aggregate in the replacement of sand in cement mortars and as fibers added to premixed screeds. In detail, the effect of PET treatment (chemical or mechanical) on the thermal performance was evaluated. Non-destructive physical tests were conducted to determine the thermal conductivity of the investigated building materials. The performed tests showed that chemically depolymerized PET aggregate and recycled PET fibers derived from plastic wastes can reduce the heat conduction capacity of the cementitious materials with limited reduction in compressive strength. The results of the experimental campaign have made it possible to evaluate the influence of the recycled material on the physical and mechanical properties and its feasibility in non-structural applications.

Sustainable utilization of hybrid recycled powder and recycled polyethylene terephthalate fiber in mortar: Strength, durability and microstructure

The effects of hybrid recycled powder (HRP) from composite concrete and brick waste as well as recycled polyethylene terephthalate fiber (RPETF) on the performance of mortar were investigated in this study. Recycled brick powder (RBP) was used as comparison to evaluate the influence of HRP. The mechanical properties, including compressive strength, flexural strength and elastic modulus as well as durability, including capillary water absorption, chloride penetration resistance, carbonation resistance and frost resistance were tested. The hydration products and micro pore structure of mortar were studied to reveal the influence mechanism of HRP and RPETF. The results show that the 28 d compressive and flexural strength of mortar with 30% HRP reached 78.60% and 80.36% of that of cement mortar, respectively, which was similar to that of RBP. The addition of HRP reduced the capillary water absorption, chloride ion permeability coefficient of mortar. This is related to the refined pore structure of mortar. The proportion of pores with the diameter lower than 100 nm increased due to the filling effect, nucleation effect and secondary hydration of HRP and RBP. When the volume fraction of RPETF was in 2%, the mechanical properties of mortar increased with the increase of RPETF content. The 28 d compressive strength and flexural strength of mortar with 2% RPETF were 14.25% and 22.50% higher than that without RPETF, respectively. The utilization of RPETF improved the durability of mortar with HRP. A greater reduction of mass loss and increase of dynamic elastic modulus of mortar with RPETF compared to that without RPETF after freeze-thaw cycles were obtained.

Recycled Polyethylene Terephthalate Fibers Aerogels Modified with Graphene Oxide for Adsorption of Methylene Blue and Coated with Polydimethylsiloxane Tetraethyl Orthosilicate for Oil Removal

Recycled Polyethylene Terephthalate Fibers Aerogels Modified with Graphene Oxide for Adsorption of Methylene Blue and Coated with Polydimethylsiloxane Tetraethyl Orthosilicate for Oil Removal

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties of concrete

Influence of recycled polyethylene terephthalate fibres on plastic shrinkage and mechanical properties of concrete

Investigating the Properties of Asphalt Mixes Containing Recycled Polyethylene Terephthalate Fiber

A large volume of traffic loading on asphalt pavement at high temperature frequently resulted in pavement deterioration due to reduction in strength and loss of structural integrity. This paper presents the effects of recycled polyethylene terephthalate fiber used in the ranges of 1.18 mm to 2.36 mm prepared for 0%, 0.5% and 1.0% by the weight of mineral aggregates. Conventional bitumen 60/70 penetration grade was used as the base binder. The compacted specimens were tested for dynamic creep, resilient modulus and resistance to rutting. It was found that the creep stiffness specimens prepared with 0.5% recycled polyethylene terephthalate fiber tested at 1800 and 3600 load cycles has increased by 11.7% and 23.8%, moreover permanent deformation has reduced by 8.7% and 8.4%, respectively. Furthermore, specimens containing 0.5% recycled polyethylene terephthalate fiber also has increased the resilient modulus by 10.0% and 55.1% while the rutting values decreased by 13.7% and 13.9%, correspondingly. Interestingly, specimens containing 0.5% recycled polyethylene terephthalate fiber exhibits higher mixes stiffness, low rutting and permanent deformation irrespective of test temperature. It can be concluded that specimen containing 0.5% recycled polyethylene terephthalate fiber contributes higher resistance to rutting, promotes better performance compared to conventional mix.

Effect of the incorporation of PET fiber and ternary blended binder on the flexural and tensile behaviour of ultra-high performance green concrete

Ultra-High performance Fiber Reinforced Green Concrete is an advanced technology in concrete sustainability via the utilization of green alternative materials, with superior mechanical properties. The effects of adding recycled waste plastic bottles in the form Polyethylene Terephthalate (PET) fiber on the flexural and tensile behavior of Ultra-High Performance PET Fibre Reinforced Green Concrete (UHPPFRGC) containing different volumes of Ultra-fine palm oil fuel ash (UPOFA) and Silica Fume (SF) have been investigated. Up to fourteen concrete mixtures were designed with varying UPOFA and SF content as partial replacement of ordinary Portland cement (OPC) in volumes of (25%- 50%) UPOFA and (10%-20%) SF. PET fibres were added at a portion of 1% from the total mixture volume. The results showed that the addition of PET fibres modulates the stiff and brittle behaviour of Ultra High-Performance Green Concrete (UHPGC). The optimum values were registered with (U25-SF20-UHPPFRGC) mix containing 25%UPOFA, 20%SF and 1% PET fibres. A considerable increased in ductility index was achieved, with superior compressive strength, splitting tensile strength, flexural strength, flexural toughness and flexural stiffness of 153 MPa, 9.31 MPa, 30.1 MPa, 29.7 kN.mm and 18.225kN/mm, respectively. Thus, the utilization of ternary blended binders (OPC-UPOFA-SF) with recycled PET fibres could promote the production of UHPPFRGC possessing adequate flexural and tensile strength properties.

Tests Regarding the Effect of Dispersed Reinforcement Made with a Prototype Device from PET Beverage Bottles on the Strength Properties of Concrete

Currently, waste generation is a huge problem all over the world. The largest source of generated waste is plastics from plastic packaging made of polyethylene and polypropylene, including PET bottles. Modern ecology aims to reduce the carbon footprint by recycling plastics or by producing biodegradable plastics that are completely broken down by microorganisms into simple particles that occur naturally in nature. Polyethylene terephthalate (PET) has good mechanical properties but is resistant to microorganisms. As a result, it cannot be classified as a biodegradable plastic, but when it is reused for the production of utility products, it becomes a bioplastic. A good way to dispose of PET is to use it for the production of utility products, in which its good mechanical properties can be used. Concrete is a basic material, the consumption of which in the construction industry is enormous. One of the negative features of concrete is its low tensile strength, which can be improved with continuous or dispersed reinforcement. This paper presents the results of compressive and tensile-bending tests of concrete reinforced with dispersed “fibres” of a different length and width, which were produced by a prototype device from PET beverage bottles. The prototype device enables repeatable fibres with a width of 2 mm, and lengths of 38 mm, 62 mm, and 93 mm to be obtained. The highest flexural tensile strength of the concrete was achieved in the case of the PET fibres with a length of 62 mm. It turned out that concrete with such reinforcement has a higher bending tensile strength by 15 % in relation to the tensile bending strength of the concrete without the dispersed reinforcement. The PET fibres also improve compressive strength. PET fibres, in order not to deteriorate in the alkaline environment of concrete, must be secured with an appropriate chemical agent. The effect of concrete reinforcement with the recycled PET fibres was compared to the effect of dispersed reinforcement made of polypropylene and steel fibres. The highest bending tensile strength was obtained in the case of the concretes with the scattered PET reinforcement. However, the differences in the bending tensile strength of concrete are not big and are equal to 0.64 MPa for polypropylene fibres and only 0.09 MPa for steel fibres.

The Use of Disperse Dyes for Dyeing of Recycled Polyethylene Terephthalate Fibres

Recycled polyethylene terephthalate (r-PET) is a widely recycled plastic employed for new textile production in the world. It reduces environmental impact and lowers cost of the production. For the traditional dyeing of polyethylene terephthalate (PET), commercial disperse dyes are generally used. In presented research the recycled r-PET fibres 6 den dyeing with disperse dyes Itosperse: Red, Blue and Yellow (concentration 3 Wt. %) were examined and the influence of the intensifier of a salicylic acid (with concentration of 4 - 10 g/L) in dye bath was investigated. The colour properties of dyed samples and colour fastness to washing were tested. It is concluded that the presence of the intensifier of salicylic acid improves dyeing results, but the optimal concentration differs for each dye. Colour fastness test to washing of the blue dyed samples showed the insignificant changes of colour parameters. In some cases the change of shade in presence of salicylic acid was observed.

Green recycling of fly ash into heat and sound insulation composite aerogels reinforced by recycled polyethylene terephthalate fibers

Fly ash is waste from thermal power plants that not only has a serious impact on soil and water but also accumulates in landfills and must be treated properly. In addition, plastic waste, especially polyethylene terephthalate bottles, deteriorates for a long time, so there is an urgent need to recycle them into valuable products. To solve the environmental pollution mentioned above, a feasible zero-waste method has been developed that converts 100% of fly ash into a lightweight composite aerogel reinforced with recycled polyethylene terephthalate fiber. In this study, raw fly ash is bound to the skeleton of the fibers by a non-toxic, biodegradable xanthan gum solution as a binder, which is then lyophilized, leaving a hollow porous structure. The obtained composite aerogels display extremely low density of 0.026–0.062 g/cm3, high porosity of 96.59–98.42%, low thermal conductivity of 34–39 mW/(m·K), flexibility with Young's modulus of 3.98–20.61 kPa, and noise reduction coefficient of 0.18–0.31. Adding fly ash to the fiber framework results in a lightweight composite aerogel with higher porosity, heat, and acoustic insulation, as well as impressive compressive modulus, compared to the fly ash-free aerogels. This study provides a safe, environmentally friendly, and cost-effective solution for recycling fly ash into high-value engineering materials.

Physical and durability properties of recycled polyethylene terephthalate (PET) fibre reinforced concrete

Utilisation of recycled Polyethylene Terephthalate (PET) waste in construction materials contributes towards the environmental sustainability by reducing the accumulation of non-degradable waste into the nature. This study aims to contribute to the knowledge about the material behaviour of recycled PET fibre reinforced concrete (RPFRC). The present work investigates the influence of recycled PET fibres on the physical properties of concrete, with a focus on the durability, acoustic properties, and the mechanical response to heat exposure. Mixtures with varying fibre dimensions and fibre volumes were prepared. Fibre addition reduced the bulk density, increased the permeable void volume, and decreased the ultrasonic pulse velocity (UPV) of concrete, suggesting possible porosity formations within. Water permeability of RPFRC samples was substantially higher than the concrete without fibres and the findings were in agreement with rapid chloride permeability test results. Sound permeability was slightly reduced by fibre addition. RPFRC samples were heated at three different temperatures and tested for compressive and flexural strengths. At room temperature, fibre addition caused negligible variations in compressive strength but notable increase in flexural strength. Strength values were reduced slightly with fibre addition when samples were exposed to 100 °C and 200 °C, indicating possible response of PET fibres to high-temperature exposure.

Compressive and Flexural Strength of Concrete Containing Recycled Polyethylene Terephthalate (PET)

This paper presents the feasibility study of adding recycled Polyethylene Terephthalate (PET) fiber obtained from drinking water bottle as admixture material in the concrete. A few numbers of tests were conducted to determine the physical and mechanical properties of recycled PET fiber reinforced concrete such as slump test, compressive strength test and flexural strength test. The effect of incorporating the recycled PET fiber on various volume fractions of concrete by 0.5%, 1%, and 1.5% of weight of cement were experimentally investigated. The test specimens comprising of cubes and beams were prepared and tested at 3, 7, 14 and 28 days after curing process completed. Generally, it was found that the workability of concrete reinforced recycled PET has reduced as the volume fraction of PET fiber increased. The compressive strength of concrete reinforced recycled PET has reached the highest value at volume fraction of 0.5%. However, the flexural strength of concrete was significantly increased by incorporating 1.0% of recycled PET fiber. It can be concluded that the concrete which contains 0.5% of recycled PET fiber has the highest of average percentage of relative. Hence, it can be categorized as the optimum percentage of recycled PET fiber to be utilized in concrete. It is recommended to use recycled PET fiber in concrete for the construction of structures and infrastructures as a green construction material in order to achieve clean and sustainable environment in the year future.

Mechanical Optimization of Concrete with Recycled PET Fibres Based on a Statistical-Experimental Study.

Discarded polyethylene terephthalate (PET) bottles have damaged our ecosystem. Problems of marine fauna conservation and land fertility have been related to the disposal of these materials. Recycled fibre is an opportunity to reduce the levels of waste in the world and increase the mechanical performance of the concrete. PET as concrete reinforcement has demonstrated ductility and post-cracking strength. However, its performance could be optimized. This study considers a statistical-experimental analysis to evaluate recycled PET fibre reinforced concrete with various fibre dose and aspect ratio. 120 samples were experimented under workability, compressive, flexural, and splitting tensile tests. The results pointed out that the fibre dose has more influence on the responses than its fibre aspect ratio, with statistical relation on the tensional toughness, equivalent flexural strength ratio, volumetric weight, and the number of fibres. Moreover, the fibre aspect ratio has a statistical impact on the tensional toughness. In general, the data indicates that the optimal recycled PET fibre reinforced concrete generates a superior performance than control samples, with an improvement similar to those reinforced with virgin fibres.

Parametric characterization of nano-hybrid wood polymer composites using ANOVA and regression analysis

The need to reduce waste is driving the development of new materials and technologies that support the transition of societies towards a more environmentally sustainable world. Wood-polymer composites (WPCs) can be produced by using waste products deriving from wood and plastic manufacturing industries. Enhanced mechanical and physical properties of WPCs also allow for these materials to substitute their conventional counterparts, especially the ones intended to be used in dry and hot environments. This paper examined how the addition of various reinforcements influenced the properties of polymer matrix-based WPC. More closely, this paper focused on assessing the mechanical properties of Polymethylmethacrylate (PMMA) and date palm leaves-based composite samples with different reinforcement types of recycled Polyethylene Terephthalate (PETE) fibers and nano-Aluminum Oxide (nano-Al2O3) particles. A two-way ANOVA and multivariate linear regression models are developed to predict and examine the effects and the interaction between the effect of batches and series on density, absorption, strength, modulus and absorbed energy before and after aging. The results suggest that combining the PMMA with recycled date palm leaves and including a mixture of commercially available PETE fiber reinforcements along with nano-Al2O3 particles produces samples that show enhanced mechanical and water resistance properties compared to composites without such reinforcements. The analysis used to detect the WPC combination and reinforcements embedded in the composite structure indicated that the reinforcements limited the absorption of water. The mechanical tests conducted on the reinforced WPC samples showed an improvement of mechanical characteristics. Adding both recycled PETE fibers and nano-Al2O3 particles to the samples increases the flexural characteristics and shows the largest capacity to absorb energy at impact followed by single reinforcement samples. For samples that underwent aging in chloride solution (offshore simulation), the enhanced capabilities were reduced by 8 and 15%.