Cotton noil based cellulose microfibers reinforced polylactic acid composite films for improved water vapor and ultraviolet light barrier properties

Ponnusamy, Prabaharan Graceraj; Sharma, Suraj; Mani, Sudhagar

doi:10.1002/app.52329

Cited by 3 publications

(3 citation statements)

References 76 publications

(158 reference statements)

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“…The incorporation of 5% CMFs into CMC film reduced its WVP value by more than 22% and this reduction in WVP is ascribed to the homogeneous dispersion of CMFs into the CMC matrix as revealed by SEM images (Figure 4 ), creating a long and tortuous path for water vapor diffusion. Likewise, Ponnusamy et al ( 2022 ) reported a reduction in WVP by 12% after the addition of 5% CMFs in the polylactic acid (PLA) film matrix. A similar trend was observed by Guimarães et al ( 2016 ), who attributed the greatest reduction in WVP of starch films incorporating CMFs to the good dispersion of this nanofiller into the polymeric matrix.…”

Section: Resultsmentioning

confidence: 96%

“…At 20 wt% of CMFs isolated from alfa fibers, the stiffness of starch‐based composites increased by 300% (Khalili et al, 2023 ). The incorporation of CMFs isolated from cotton noil enhanced the UV light absorbance and water vapor barrier properties of PLA‐based composites due to the uniform dispersion of CMFs in the PLA matrix and their good interfacial adhesion (Ponnusamy et al, 2022 ).…”

Section: Introductionmentioning

confidence: 99%

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Use of cellulose microfibers from olive pomace to reinforce green composites for sustainable packaging applications

Amara

Mahdi²,

Akman

et al. 2023

Food Science & Nutrition

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To valorize abundant, unexploited, and low‐cost agro‐industrial by‐products, olive pomace is proposed as a sustainable and renewable raw material for cellulose microfibers (CMFs) production. In this study, CMFs were extracted from olive pomace using alkaline and bleaching treatments and characterized in terms of morphological, structural, and thermal properties. Afterward, the reinforcing capability of microfibers was examined using carboxymethyl cellulose (CMC) as a polymer matrix by the solvent casting process. The effects of CMF loading (1%, 3%, 5%, and 10%) on the composites' mechanical, physical, morphological, and thermal properties were assessed. CMF incorporation led to a decrease in moisture content (MC), water solubility (WS), and water vapor permeability (WVP) and an increase in tensile strength (TS), stiffness and transparency values, and thermal stability of CMC films. Increasing CMF content to 5%, increased the TS and elasticity modulus by 54% and 79%, respectively, and reduced the WVP and light transmissivity at 280 nm, by 22% and 47%, respectively. The highest water, moisture, light barrier, and mechanical properties of composites were reached at 5% CMFs.

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Section: Resultsmentioning

confidence: 96%

Section: Introductionmentioning

confidence: 99%

Use of cellulose microfibers from olive pomace to reinforce green composites for sustainable packaging applications

Amara

Mahdi²,

Akman

et al. 2023

Food Science & Nutrition

View full text Add to dashboard Cite

show abstract

“…The promising future for CNF is that the energy demand with the mechanical manufacturing methods was less than the energy requirement for manufacturing other nanofiller materials such as graphene and carbon nanotubes. Future research on mechanical pretreatment and main treatment will increase the possibilities of CNF commercialization [ 147 , 148 ]. Further, future LCA studies on protein-based polymer material extraction processes would provide opportunities to demonstrate their capability as biodegradable packaging materials.…”

Section: Current Knowledge On and Opportunities For Packaging Films M...mentioning

confidence: 99%

Material and Environmental Properties of Natural Polymers and Their Composites for Packaging Applications—A Review

Ponnusamy¹,

Mani²

2022

Polymers

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The current trend of using plastic material in the manufacturing of packaging products raises serious environmental concerns due to waste disposal on land and in oceans and other environmental pollution. Natural polymers such as cellulose, starch, chitosan, and protein extracted from renewable resources are extensively explored as alternatives to plastics due to their biodegradability, biocompatibility, nontoxic properties, and abundant availability. The tensile and water vapor barrier properties and the environmental impacts of natural polymers played key roles in determining the eligibility of these materials for packaging applications. The brittle behavior and hydrophilic nature of natural polymers reduced the tensile and water vapor barrier properties. However, the addition of plasticizer, crosslinker, and reinforcement agents substantially improved the mechanical and water vapor resistance properties. The dispersion abilities and strong interfacial adhesion of nanocellulose with natural polymers improved the tensile strength and water vapor barrier properties of natural polymer-based packaging films. The maximum tensile stress of these composite films was about 38 to 200% more than that of films without reinforcement. The water vapor barrier properties of composite films also reduced up to 60% with nanocellulose reinforcement. The strong hydrogen bonding between natural polymer and nanocellulose reduced the polymer chain movement and decreased the percent elongation at break up to 100%. This review aims to present an overview of the mechanical and water vapor barrier properties of natural polymers and their composites along with the life cycle environmental impacts to elucidate their potential for packaging applications.

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Enhanced UV-Blocking Capabilities of Polylactic Acid Derived from Renewable Resources for Food and Drug Packaging: A Mini-Review

Ran,

Qu,

Wang

et al. 2023

J. Compos. Sci.

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Plastic materials have revolutionized modern life, particularly in the domain of food packaging, owing to their versatility, lightweight nature, and ease of processing. However, the environmental ramifications of non-degradable plastics have raised concerns. Polylactic acid (PLA), derived from renewable sources, represents a sustainable alternative due to its biodegradability and exceptional barrier, mechanical, and safety properties. Nevertheless, the high UV transmittance of PLA limits its use for photosensitive food and pharmaceutical packaging, where UV radiation can lead to nutritional loss and spoilage. Various methods have been explored to enhance the UV-blocking capabilities of PLA, including the integration of inorganic nanoparticles and surface coatings. Despite advancements, these approaches often compromise the inherent transparency of PLA. Incorporating large conjugated groups can maintain transparency but introduces additional challenges. This paper reviews modification methods to enhance PLA’s UV-barrier properties and anticipates its expanded utility in food and drug packaging, promoting UV resistance and diversifying PLA’s applications.

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Cotton noil based cellulose microfibers reinforced polylactic acid composite films for improved water vapor and ultraviolet light barrier properties

Cited by 3 publications

References 76 publications

Use of cellulose microfibers from olive pomace to reinforce green composites for sustainable packaging applications

Use of cellulose microfibers from olive pomace to reinforce green composites for sustainable packaging applications

Material and Environmental Properties of Natural Polymers and Their Composites for Packaging Applications—A Review

Enhanced UV-Blocking Capabilities of Polylactic Acid Derived from Renewable Resources for Food and Drug Packaging: A Mini-Review

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