PLA/PBAT/CaCO3 Composites with Balanced Super-Toughness and Stiffness through Dynamic Vulcanization and Double Interfacial Compatibilization DOI
Kai Cai, Qingdong Wang, Xiao Liu

et al.

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: 6(21), P. 13378 - 13388

Published: Oct. 17, 2024

The incorporation of biodegradable poly(butylene adipate-co-terephthalate) (PBAT) into poly(lactic acid) (PLA) is a simple method to improve the toughness PLA; however, toughening efficiency PBAT limited, and direct blending adversely impacts stiffness material. In this paper, surface nano-CaCO3 was modified with 3-Glycidoxypropyltrimethoxysilane (KH560) in order prepare CaCO3-g-KH560. A two-step extrusion process using multifunctional epoxy oligomers (ADR) as cross-linking agents used PLA/PBAT/CaCO3 ternary blends subinclusion structure. first extrusion, ADR CaCO3 nanoparticles were mixed PBAT. During second epoxide groups cross-linked dispersing phase, well co-cross-linked PLA continuous phase at PLA/PBAT interface. Fourier Transform Infrared Spectroscopy (FTIR) confirmed speculation. Additionally, Dynamic mechanical analysis (DMA) Scanning electron microscopy (SEM) analyses showed that co-cross-linking reaction improved interfacial compatibility PLA/PBAT. Energy dispersive spectrometer (EDS) Transmission (TEM) uniform dispersion phase. synergistic allowed for notched impact strength tensile prepared blend reach 74.5 kJ/m2 55.7 MPa (11 times 1.3 higher than same ratio, respectively). Compared elastomer alone, structure improves rigidity composite owing interactions distinct energy loss mechanism. This paper provides methodology preparation balanced stiffness.

Language: Английский

Recyclable and (Bio)degradable Polyesters in a Circular Plastics Economy DOI
Changxia Shi, Ethan C. Quinn, Wilfred T. Diment

et al.

Chemical Reviews, Journal Year: 2024, Volume and Issue: 124(7), P. 4393 - 4478

Published: March 22, 2024

Polyesters carrying polar main-chain ester linkages exhibit distinct material properties for diverse applications and thus play an important role in today's plastics economy. It is anticipated that they will even greater tomorrow's circular economy focuses on sustainability, thanks to the abundant availability of their biosourced building blocks presence bonds can be chemically or biologically cleaved demand by multiple methods bring about more desired end-of-life plastic waste management options. Because this potential promise, there have been intense research activities directed at addressing recycling, upcycling biodegradation existing legacy polyesters, designing biorenewable alternatives, redesigning future polyesters with intrinsic chemical recyclability tailored performance rival commodity are either petroleum based and/or hard recycle. This review captures these exciting recent developments outlines challenges opportunities. Case studies poly(lactic acid), poly(3-hydroxyalkanoate)s, poly(ethylene terephthalate), poly(butylene succinate), poly(butylene-adipate presented, emerging recyclable comprehensively reviewed.

Language: Английский

Citations

96

Polyethylene terephthalate (PET) recycling: A review DOI Creative Commons

Tomy Muringayil Joseph,

Сейтхан Азат, Zahed Ahmadi

et al.

Case Studies in Chemical and Environmental Engineering, Journal Year: 2024, Volume and Issue: 9, P. 100673 - 100673

Published: Feb. 23, 2024

It is difficult to reuse wastes from polymers due the mismatch between amount of contaminants and secondary quality feed. This type operation much more expensive cost-effective than production polymer raw materials latest materials. However, recyclable beneficial if used extensively in various concrete products wood-polymer boards. done only cleaning sorting are not particularly important for products. Polyethylene terephthalate (PET) a widely industries its excellent physical chemical properties. Besides, increasing use PET has led global crisis waste management, as improper disposal caused significant environmental damage. major source accumulated landfills, address this issue, recycling methods have evolved. In regard, present review examines techniques involved PET. Conventional influence diverse depolymerization reaction variables were discussed, upsides downsides each technique considered. The summarizes advances technologies plastic waste, focusing on bio-recycling PET, aiming sustainable, economical solutions circular economy.

Language: Английский

Citations

90

Degradation of biodegradable plastics in waste management systems and the open environment: A critical review DOI Creative Commons
Sevil V. Afshar, Alessio Boldrin, Thomas Fruergaard Astrup

et al.

Journal of Cleaner Production, Journal Year: 2023, Volume and Issue: 434, P. 140000 - 140000

Published: Dec. 2, 2023

Decades of extensive and exponentially growing production use conventional plastics have led to the accumulation plastic waste in environment, contributing anthropocene pressure on ecosystems. Bioplastics (defined as bio-based and/or biodegradable plastics) been promoted a more sustainable alternative substitute for plastics. Nonetheless, literature contains numerous conflicting conclusions regarding their suitability environmental implications. One central point contention concerns biodegradability conditions necessary proper degradation. In real-world settings, like anaerobic digestion plants or marine environments, may not degrade rapidly efficiently suggested by laboratory tests. A systematic review was conducted explore current level knowledge fate consequences plastics, thereby substantiating discussions future role society. The covered degradation management environments (e.g., compost, sludge, landfill) open environment seawater, freshwater, soil). As clearly highlighted this review, comparisons quantitative analysis data are challenged significant methodological variations, encompassing differences testing methods, test materials, quantification strategies. Moreover, revealed several research gaps, highlighting, particular, need i) intensify polyhydroxyalkanoates (PHAs), polybutylene adipate terephthalate (PBAT), succinate (PBS) match polylactic acid (PLA) starch-based ii) develop standard methods field conditions, iii) couple with ecotoxicological overview established is essential thorough evaluation performance Furthermore, findings study contribute supporting responsible various products, including assessing alternatives

Language: Английский

Citations

42

Polyester biodegradability: importance and potential for optimisation DOI Creative Commons
Yue Wang, Robert‐Jan van Putten,

Albert Tietema

et al.

Green Chemistry, Journal Year: 2024, Volume and Issue: 26(7), P. 3698 - 3716

Published: Jan. 1, 2024

To meet EU CO 2 emission targets, we need to replace most fossil-derived plastics with renewable alternatives. stop endless pollution by accumulating non degradable future be closed-loop recyclable and/or biodegradable.

Language: Английский

Citations

26

A chitosan derivative/phytic acid polyelectrolyte complex endowing polyvinyl alcohol film with high barrier, flame-retardant, and antibacterial effects DOI
Yuping Ning, Ruoting Liu,

Wenrui Chi

et al.

International Journal of Biological Macromolecules, Journal Year: 2024, Volume and Issue: 259, P. 129240 - 129240

Published: Jan. 6, 2024

Language: Английский

Citations

21

Biodegradable Biobased Polymers: A Review of the State of the Art, Challenges, and Future Directions DOI Open Access

Swarn Jha,

Bhargav Akula,

Hannah Enyioma

et al.

Polymers, Journal Year: 2024, Volume and Issue: 16(16), P. 2262 - 2262

Published: Aug. 9, 2024

Biodegradable biobased polymers derived from biomass (such as plant, animal, marine, or forestry material) show promise in replacing conventional petrochemical polymers. Research and development have been conducted for decades on potential biodegradable such polylactic acid (PLA), polyhydroxyalkanoates (PHAs), succinate These materials evaluated practicality, cost, production capabilities limiting factors commercialization; however, challenges, the environmental limitations biodegradation rates polymer, need to be addressed. This review provides a history overview of current synthesis process properties polymers, along with techno-commercial analysis discussion impacts Specifically, focuses commercial potential, financial assessment, life-cycle assessment these materials, well government initiatives facilitate transition towards Lastly, challenges methods improving recycling reusability

Language: Английский

Citations

18

Development of high-barrier composite films for sustainable reduction of non-biodegradable materials in food packaging application DOI
Jinsong Zeng, Yue Ma, Pengfei Li

et al.

Carbohydrate Polymers, Journal Year: 2024, Volume and Issue: 330, P. 121824 - 121824

Published: Jan. 15, 2024

Language: Английский

Citations

16

Fluorescent carbon dots for biodiesel production: A Comprehensive review (2019–2024) DOI
Jothi Vinoth Kumar, Mir Waqas Alam, Manickam Selvaraj

et al.

Inorganic Chemistry Communications, Journal Year: 2024, Volume and Issue: 162, P. 112247 - 112247

Published: Feb. 24, 2024

Language: Английский

Citations

16

Carboxymethyl cellulose-based multifunctional film integrated with polyphenol-rich extract and carbon dots from coffee husk waste for active food packaging applications DOI
Junxian Yang,

Yongshi Li,

Bingzhen Liu

et al.

Food Chemistry, Journal Year: 2024, Volume and Issue: 448, P. 139143 - 139143

Published: March 26, 2024

Language: Английский

Citations

16

Carbon Cycle of Polyhydroxyalkanoates (CCP): Biosynthesis and Biodegradation DOI
Siqin Zhang, Huishu Yuan, Xue Ma

et al.

Environmental Research, Journal Year: 2025, Volume and Issue: unknown, P. 120904 - 120904

Published: Jan. 1, 2025

Language: Английский

Citations

2