A Study on Physical, Morphological and Antibacterial Properties of Bio Polymers Reinforced Polyvinyl Acetate Foams

Yıldırım, Nadir; Özen, Ertan; Ergün, Mehmet Emin; Dalkiliç, Berk

doi:10.1590/1980-5373-mr-2021-0579

Cited by 9 publications

(4 citation statements)

References 90 publications

(110 reference statements)

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“…The porosity and density values of the produced PVAc based foams were previously reported in our study. 15…”

Section: Resultsmentioning

confidence: 99%

“…The porosity and density values of the produced PVAc based foams were previously reported in our study. 15 The increase in zinc borate amount was observed to decrease the compression resistance. There were many studies in which the mechanical properties of materials produced with the addition of zinc borate at high rates were adversely affected.…”

Section: Mechanical Properties Of Pvac Foamsmentioning

confidence: 97%

“…Chitosan is derived from chitin through a process of deacetylation, which involves the removal of acetyl groups from chitin molecules. 15,16 Cellulose and chitosan have made them popular biopolymers to manufacture and/or reinforce otherwise weak materials, including foams. 17,18 These two biopolymers utilize in many industries, such as paper, pharmaceutics, food, water treatment,, biomedical treatment, agriculture, cosmetics, and textiles.…”

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Mechanical and thermal properties of polyvinyl acetate foams reinforced with biopolymers

Ergun,

Ozen,

Yildirim

et al. 2023

Cellular Polymers

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The study developed and designed polyvinyl acetate (PVAc) foams using advanced freeze-drying technology, which exhibited good heat-insulating ability, flame retardancy, and mechanical properties. Different combinations of bleach kraft pulp, water-soluble chitosan, and zinc borate were used to reinforce the foams. The foams exhibited desirable compression and flexural properties, with compression strength and compression modulus ranging from 0.01 MPa to 0.08 MPa and 0.05 MPa to 0.29 MPa, respectively, while flexural strength and flexural modulus ranged from 0.12 MPa to 5.37 MPa and 9.86 MPa to 260,85 MPa, respectively. The use of zinc borate as a reinforcement resulted in improved thermal properties and reduced mass loss at 600°C by 20.69%. Thermal conductivity tests indicated that the foams had low thermal conductivity values ranging from 0.037 W/mK to 0.074 W/mK. The foams with zinc borate (60 g/L) and high molecular weight water-soluble chitosan (70 g/L) reinforcement exhibited high limiting oxygen index (LOI) of 28.72%. Overall, the results suggest that the PVAc foams could serve as a promising sustainable alternative in thermal insulation and construction fields.

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“…The porosity and density values of the produced PVAc based foams were previously reported in our study. 15…”

Section: Resultsmentioning

confidence: 99%

Section: Mechanical Properties Of Pvac Foamsmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Mechanical and thermal properties of polyvinyl acetate foams reinforced with biopolymers

Ergun,

Ozen,

Yildirim

et al. 2023

Cellular Polymers

Self Cite

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show abstract

“…The density of biodegradable foams changed between 12 and 1000 kg/m 3 for application in insulation purposes (Zhao and Li 2022). Densities of PVAc-based foams reinforced with cellulose and chitosan changed between 120 and 210 kg/m 3 (Yildirim et al 2022). When biopolymers, such as chitosan and cellulose, were mixed with surfactants, density values were decreased (Czakaj et al 2022).…”

Section: Resultsmentioning

confidence: 99%

Activated carbon and cellulose-reinforced biodegradable chitosan foams

Ergün¹

2022

BioRes

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Chitosan foams with promising mechanical properties, heat-insulating ability, and flame retardancy were produced through oven drying. The chitosan foams were reinforced with cellulose, boric acid, and different ratios of activated carbon. The foams showed desirable low density (80.2 to 109.8 kg/m3) and compression properties. The compression resistance and compression modulus of foams ranged between 53.6 and 98.5 KPa and 214 to 394 KPa, respectively. Thermal conductivity tests revealed that the foams endowed low thermal conductivity values (0.035 to 0.051 W/mK). The limiting oxygen index (LOI) of the foams was as high as 32.9% for activated carbon (20 g/L). The activated carbon reinforcement produced higher thermal properties and decreased the mass loss 48.1% at 600 °C. The produced foams exhibited good biodegradability (39% degradation in 15 days). The overall test results showed that the chitosan foams can be utilized as a promising environmentally friendly material in thermal insulation fields.

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Box–Behnken experimental design for optimization of chitosan foam materials reinforced with cellulose and zeolite

Kurt,

Ergun,

Ergun

et al. 2024

Biofuels Bioprod Bioref

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Foam materials produced from biopolymers stand out as a more environmentally friendly insulation material solution. This study presents a comprehensive investigation into the development and optimization of chitosan‐based foam materials using a Box–Behnken design. The foams were engineered using varying proportions of chitosan (0.5–3%), cellulose (0.5–3%), and zeolite (0.5–3%), targeting their application as thermal insulators. The physical and thermal properties of the foams that were produced were affected by the type and ratios of components, with density and thermal conductivity ranging from 0.0853 to 0.1915 g cm−3 and 0.0324 to 0.0921 W mK−1, respectively. Higher chitosan content improved insulation properties and mechanical strength whereas zeolite increments increased density and thermal conductivity. Using statistical analysis through the Box–Behnken design, we optimized the foam formulations, achieving minimum thermal conductivity and maximum compression strength at an averaged density, suggesting a strong potential for environmental sustainability applications. The recommended optimal chitosan:cellulose:zeolite composition ratio of 3:3:0.88 provides a valuable insight for tailored foam material formulation. This study shows the relationships between the composition of a composite material and its resultant properties, optimizing its preparation for industrial applicability in an environmentally conscious way within the context of insulation and construction. This investigation contributes to the field of material science by highlighting the versatility and potential of biopolymers but also aligns with the increasing need for green building materials.

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A Study on Physical, Morphological and Antibacterial Properties of Bio Polymers Reinforced Polyvinyl Acetate Foams

Cited by 9 publications

References 90 publications

Mechanical and thermal properties of polyvinyl acetate foams reinforced with biopolymers

Mechanical and thermal properties of polyvinyl acetate foams reinforced with biopolymers

Activated carbon and cellulose-reinforced biodegradable chitosan foams

Box–Behnken experimental design for optimization of chitosan foam materials reinforced with cellulose and zeolite

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