Print Quality Analysis of Stone Paper and Coated Sticker Paper Used in Screen Printing DOI Creative Commons

Cem Akpolat,

Ahmet Akgül

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(15), P. 6668 - 6668

Published: July 30, 2024

The sustainable use of natural resources is becoming an increasingly important issue today. Stone paper, produced as alternative to cellulose-based paper from the forest, rich in minerals and without cellulose water. This study focuses on behavior screen-printing ink two different papers, stone coated sticker paper. Properties such adhesion, rubbing resistance, optical printing density, consumption, lightfastness were measured these surfaces. Solvent- UV-based inks used, was carried out (coated paper) mineral-based (stone layers using three mesh counts (90, 120, 140 tpc). resistance papers also measured. present findings revealed that had same printability properties concluded a tpc with both types results high-lightfastness layer lower consumption. exhibited high rub across all counts. Additionally, when there will be reduction thereby achieving cost savings. Based findings, it water- oil-resistant can considered essential many fields, including industry.

Language: Английский

Enzymatic degradation of polylactic acid (PLA) DOI Creative Commons

Adi Shalem,

Omer Yehezkeli, Ayelet Fishman

et al.

Applied Microbiology and Biotechnology, Journal Year: 2024, Volume and Issue: 108(1)

Published: July 10, 2024

Environmental concerns arising from the increasing use of polluting plastics highlight polylactic acid (PLA) as a promising eco-friendly alternative. PLA is biodegradable polyester that can be produced through fermentation renewable resources. Together with its excellent properties, suitable for wide range applications, has increased significantly over years and expected to further grow. However, insufficient degradability under natural conditions emphasizes need exploration biodegradation mechanisms, intending develop more efficient techniques waste disposal recycling or upcycling. Biodegradation occurs secretion depolymerizing enzymes, mainly proteases, lipases, cutinases, esterases, by various microorganisms. This review focuses on enzymatic degradation presents different enzymes were isolated purified PLA-degrading microorganisms, recombinantly expressed. The depicts main characteristics including recent advances analytical methods used evaluate enantiopurity activity. While complete solid particles still difficult achieve, future research improvement enzyme properties may provide an avenue development advanced procedures upcycling, utilizing building blocks applications envisaged circular economy principles. KEY POINTS: • Enzymes promisingly utilized Natural recombinant depolymerases activity evaluation are summarized. Approaches improve discussed.

Language: Английский

Citations

15
Microplastics in Harbour Seawaters: A Case Study in the Port of Gdynia, Baltic Sea DOI Open Access
Alina Dereszewska, Katarzyna Krasowska, Marzenna Popek

et al.

Sustainability, Journal Year: 2023, Volume and Issue: 15(8), P. 6678 - 6678

Published: April 14, 2023

An important source of microplastics (MPs) in the Baltic Sea waters is plastic waste, which fragmented natural environment. The pilot research on identification surface Port Gdynia presented. In this paper, particle sizes 0.3–5 mm harbour seawaters were investigated. Microplastics collected from five basins using an unmanned mobile unit, HydroDron-1. Sampling port water was conducted over four seasons. particles separated by chemical oxidation and flotation NaCl solution (density 1.2 g/cm3). Polymer carried out visual microscopic observations, as well Total Reflection Fourier Transform Infrared spectroscopy. Based tows Gdynia, total, concentration identified ranged 0.082 mg/m3 to 0.524 mg/m3, depending investigated basin. Four groups microplastic shapes (fragments, films, fibres spheres) detected all basins. Fragments prevalent when categorised shape, whereas colour, transparent, white black dominant. predominant type polymers polyolefins (PE, PP, PS) their derivatives.

Language: Английский

Citations

14
A Comparative Review on Biodegradation of Poly(Lactic Acid) in Soil, Compost, Water, and Wastewater Environments: Incorporating Mathematical Modeling Perspectives DOI Creative Commons

Narjess Hajilou,

Seyed Sepehr Mostafayi,

Alexander L. Yarin

et al.

AppliedChem, Journal Year: 2024, Volume and Issue: 5(1), P. 1 - 1

Published: Dec. 30, 2024

As the demand for environmentally friendly materials continues to rise, poly(lactic acid) (PLA) has emerged as a promising alternative traditional plastics. The present review offers comprehensive analysis of biodegradation behavior PLA in diverse environmental settings, with specific focus on soil, compost, water, and wastewater environments. presents an in-depth comparison degradation pathways kinetics from 1990 2024. presence different microorganisms environments can affect mechanism rate biodegradation, it should be considered comparisons. It is shown that soil compost enzymatic degradation, while dominant mechanisms water are hydrolysis biofilm formation, respectively. reveals sequence rates, showing fastest followed by wastewater, accelerated landfill environments, descending order. In addition, mathematical models were reviewed here. Ultimately, contributes broader understanding ecological impact PLA, facilitating informed decision-making toward more sustainable future.

Language: Английский

Citations

2
Decomposition and fragmentation of conventional and biobased plastic wastes in simulated and real aquatic systems DOI Creative Commons
Olivija Plohl, Lidija Fras Zemljič,

Alen Erjavec

et al.

Clean Technologies and Environmental Policy, Journal Year: 2024, Volume and Issue: unknown

Published: Aug. 12, 2024

Abstract Plastics play a crucial role in our daily lives. The challenge, however, is that they become waste and contribute to global environmental problem, increasing concerns about pollution the urgent need protect environment. accumulation fragmentation of plastic waste, especially micro- nanoplastics aquatic systems, poses significant threat ecosystems human health. In this study, decomposition processes conventional biobased simulated water bodies (waters with different pH values) real systems (tap seawater) are investigated over period one six months. Three types were examined: thermoplastic polyethylene terephthalate thermoset melamine etherified resin form nonwovens polylactic acid (PLA) foils. Such comprehensive study involving these three plastics methodology for tracking degradation has not been conducted before, which underlines novelty present work. After aging plastics, both solid fraction leachate liquid phase carefully examined. parameters studied include mass loss, structural changes alterations functional groups observed aged plastics. Post-exposure assessment fragmented pieces includes quantification microplastic, microscopic observations confirmation composition by situ Attenuated Total Reflectance Fourier Transform Infrared Spectroscopy. analysis pH, conductivity, turbidity, total carbon microplastic size distribution. results highlight importance morphology minor PLA show microfibers increased all leave ecological footprint. This post-consumer management provides valuable insights into strategies protection. It also addresses pressing issue evidence-based measures mitigate its impact. Graphical abstract

Language: Английский

Citations

1
Biodegradable Stone Paper as a Sustainable Alternative to Traditional Paper: A Review DOI

N. Swain,

Pragti Saini,

Sampat Singh Bhati

et al.

Journal of Inorganic and Organometallic Polymers and Materials, Journal Year: 2023, Volume and Issue: 33(8), P. 2240 - 2251

Published: May 19, 2023

Language: Английский

Citations

2
Environmental Degradation of Oxo-Biodegradable Polyethylene Bags DOI Open Access
Aleksandra Heimowska

Water, Journal Year: 2023, Volume and Issue: 15(23), P. 4059 - 4059

Published: Nov. 23, 2023

The purpose of the present study is estimation environmental degradation process oxo-biodegradable polyethylene bags. samples, with addition a d2w prodegradant, was studied under natural weathering, freshwater (pond), and water in laboratory condition for period 48 months. impact characteristic parameters environments on extent degradation, monitored by weight changes, mechanical properties, surface morphology, has been discussed. degraded polymer samples were also analyzed FTIR spectroscopy. It established that hardly prone to freshwater, but more vulnerable weathering. Abiotic (oxygen, temperature, solar radiation) played important role than biotic (microorganisms). Natural weathering led first fragmentation polymeric after 18 months, loss 81.6% 39 complete assimilation 45 In pond, months incubation resulted an increase (+19%) decrease properties: tensile strength from 26.31 17.35 MPa elongation at break 304 31%. biofilm formed made it difficult oxygen reach material, so oxydegradation pond slower. ATR-FTIR analysis microscopic observations confirm taking place environments. No visible changes observed water, because lack microorganisms radiation. required longer time compared declared manufacturer.

Language: Английский

Citations

1
Preparation and Evaluation of the Properties of FDM Printed Materials Made from Waste-Origin Polymers DOI

Igor Cudnik,

Jacek Andrzejewski

Lecture notes in mechanical engineering, Journal Year: 2024, Volume and Issue: unknown, P. 209 - 223

Published: Jan. 1, 2024

Language: Английский

Citations

0
Print Quality Analysis of Stone Paper and Coated Sticker Paper Used in Screen Printing DOI Creative Commons

Cem Akpolat,

Ahmet Akgül

Applied Sciences, Journal Year: 2024, Volume and Issue: 14(15), P. 6668 - 6668

Published: July 30, 2024

The sustainable use of natural resources is becoming an increasingly important issue today. Stone paper, produced as alternative to cellulose-based paper from the forest, rich in minerals and without cellulose water. This study focuses on behavior screen-printing ink two different papers, stone coated sticker paper. Properties such adhesion, rubbing resistance, optical printing density, consumption, lightfastness were measured these surfaces. Solvent- UV-based inks used, was carried out (coated paper) mineral-based (stone layers using three mesh counts (90, 120, 140 tpc). resistance papers also measured. present findings revealed that had same printability properties concluded a tpc with both types results high-lightfastness layer lower consumption. exhibited high rub across all counts. Additionally, when there will be reduction thereby achieving cost savings. Based findings, it water- oil-resistant can considered essential many fields, including industry.

Language: Английский

Citations

0