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Article
Chemistry, Multidisciplinary
Lin Li et al.
Summary: We present a tandem catalytic conversion of LDPE into naphtha, the key feedstock for renewable plastic production, to address the serious environmental problem and resource waste of plastic pollution. The use of beta zeolite and silicalite-1-encapsulated Pt nanoparticles (Pt@S-1) enables a high naphtha yield of 89.5% and selectivity of 96.8% for C5-C9 hydrocarbons at 250 degrees C. This method utilizes acid sites to crack LDPE into olefin intermediates, which then encounter Pt nanoparticles within the channels of Pt@S-1 for hydrogenation and selective shipping of the resulting olefins, leading to the formation of narrow-distributed alkanes. Conceptually, this approach is suitable for closing the plastic loop, offering significant energy savings of 15% and a 30% reduction in greenhouse gas emissions.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2023)
Article
Polymer Science
Hua-Zhong Fan et al.
Summary: The development of inexpensive and high-performance chemically recyclable polymers offers a promising strategy for addressing plastic pollution. In this study, aromatic monomers derived from aromatic hydroxy acids and epoxides were used to prepare semiaromatic polyesters. These polymers exhibited high thermal stability and improved glass transition temperature. Additionally, they could be effectively and selectively depolymerized, establishing a circular plastics economy.
Article
Chemistry, Multidisciplinary
Jiang Dai et al.
Summary: Developing new chemically recyclable polymers is crucial for a circular plastics economy. In this study, a class of sulfur-substituted monomers (DTO) with excellent reactivity for ring-opening polymerization was prepared, leading to the production of high-stability and high-strength poly(thioetherthioester)s (P(DTO)s). The polymer could be efficiently chemically recycled back into monomer form, establishing a circular life cycle.
SCIENCE CHINA-CHEMISTRY
(2023)
Review
Chemistry, Multidisciplinary
Graham Hayes et al.
Summary: The increased demand for plastic materials and the development of high-throughput production systems have rationalized access to a wide range of plastic materials. Developing a fully sustainable new plastic material is a costly and long process. Therefore, producing common plastic materials with the same chemical structures reflects the reality of addressing the future of sustainable plastics.
Review
Environmental Sciences
Zezhou Shang et al.
Summary: The number of plastics is increasing due to the rapid development of the plastics industry. Both petroleum-based plastics and bio-based plastics generate microplastics during use, which are inevitably released into the environment and accumulated in wastewater treatment plant sludge. Anaerobic digestion, a popular sludge stabilization method, is influenced by different microplastics. This paper comprehensively reviews the impact of petroleum-based microplastics and bio-based microplastics on anaerobic digestion methane production and compares their effects on biochemical pathways, key enzyme activities, and microbial communities. It also identifies future challenges, proposes research priorities, and predicts the future development direction of the plastics industry.
SCIENCE OF THE TOTAL ENVIRONMENT
(2023)
Article
Multidisciplinary Sciences
Yi-Min Tu et al.
Summary: The development of chemically recyclable polymers is an attractive approach to address global plastic pollution crisis. This study investigates the substitution effects and structure-property relationships in the e-caprolactone (CL) system. Thermodynamic and recyclability studies show that substituent size and position can regulate their ceiling temperatures (T-c), with M4 having a T-c of 241 degrees C. A series of spirocyclic acetal-functionalized CLs undergo efficient ring-opening polymerization and subsequent depolymerization, resulting in polymers with various thermal properties and transformation of mechanical performance. The comprehensive study aims to provide a guideline for future monomer design for chemically recyclable polymers.
NATURE COMMUNICATIONS
(2023)
Article
Chemistry, Multidisciplinary
Ye Liu et al.
Summary: Plastics, although necessary in modern society, have led to the depletion of natural resources and environmental issues. Chemical recycling offers a solution by converting polymers back to monomers for repolymerization, allowing for a circular material economy. The advantages of chemically recyclable polymers and the challenges in designing monomer and polymer structures for bulk thermolysis are discussed.
CHEMISTRY-A EUROPEAN JOURNAL
(2023)
Review
Polymer Science
Fabiana Siragusa et al.
Summary: Synthetic plastics are widely used in various applications, but their production from fossil resources and improper recycling have caused significant environmental pollution. This review highlights the urgent need to reinvent plastic fabrication using raw biochemicals and waste effluents like CO2, making plastics more degradable and recyclable. It specifically discusses the chemical recycling pathways of polycarbonates, which are prepared from CO2 as an abundant and cheap feedstock, and explores different approaches for their production and uses in sustainable materials design.
Article
Chemistry, Multidisciplinary
Hua-Zhong Fan et al.
Summary: This contribution focuses on the development of innovative synthetic polymer systems for advanced material applications and sustainable development. Aromatic polyesters were successfully prepared through a facile one-pot synthesis and showed high-performance properties such as high thermal stability, crystallinity, mechanical strength, ductility, and toughness. The functionalizable moieties of the polyesters allowed for post-polymerization modifications and the polymers exhibited excellent circular life cycle through selective depolymerization into monomers.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Review
Chemistry, Multidisciplinary
Farihah M. Haque et al.
Summary: Transforming how plastics are made, unmade, and remade is crucial for a sustainable future. This review highlights important accomplishments in the field and discusses key themes including feedstocks, polymerization processes and techniques, intended use, and end of use.
Article
Polymer Science
Wei Zhang et al.
Summary: Monomer design is crucial for the development of polymers with desired thermal properties and chemical recyclability. In this study, a class of monomers with specific cyclic structures was prepared to obtain high-performance polycarbonates. The resulting polymers can be completely depolymerized and repolymerized, demonstrating a potential route for chemical recycling.
Article
Multidisciplinary Sciences
Coralie Jehanno et al.
Summary: The majority of plastic waste is not degraded, leading to permanent pollution. Chemical recycling and upcycling provide new opportunities for sustainable plastic economy.
Review
Polymer Science
Ye Liu et al.
Summary: The extensive use of plastic materials has led to resource depletion and pollution. Therefore, it is crucial to design novel polymers with renewable characteristics and recycle plastic waste to address the increasing demand for plastics.
JOURNAL OF POLYMER SCIENCE
(2022)
Article
Chemistry, Multidisciplinary
Xing Yang et al.
Summary: Monomer design strategy is a powerful tool for synthesizing polymers with desired functionalities. In this study, a novel monomer BTO was designed and synthesized. The resulting polymer exhibited living polymerization characteristics and high molecular weight with narrow dispersity. The polymer displayed elastomeric behavior at room temperature and its mechanical properties were modulated by copolymerization. Furthermore, oxidation and debenzylation reactions allowed the adjustment of the glass transition temperature and introduction of hydroxyl groups. Ultimately, the polymer could be hydrolyzed and converted back to the monomer, completing a closed-loop cycle.
CHINESE JOURNAL OF CHEMISTRY
(2022)
Review
Chemistry, Multidisciplinary
Hao Lu et al.
Summary: This review article focuses on the application and progress of environmentally friendly bio-based materials in the polyurethane-coated controlled-release fertilizer industry. Using animal and plant oils, starch, lignin, and cellulose as raw materials, polyols can be produced to replace petroleum-based materials and prepare polyurethane film coating for controlled-release fertilizers. The research on bio-based polyurethane has revealed its great potential in the production and application of coated controlled-release fertilizers.
JOURNAL OF CONTROLLED RELEASE
(2022)
Article
Polymer Science
Yan-Chen Wu et al.
Summary: Biobased materials are attractive alternatives to petroleum-based plastics due to their renewable nature and degradability. In this study, we synthesized a class of seven-membered ring carbonates containing biobased Diels-Alder adduct moieties. These materials exhibited excellent reactivity and could be used to produce functionalizable polymers with a range of thermal and mechanical properties. This research provides a novel design strategy for the synthesis of biobased materials with tunable properties.
Article
Chemistry, Multidisciplinary
Yi-Min Tu et al.
Summary: The development of high-performance recyclable polymers using biobased seven-membered-ring esters shows promise in addressing plastic sustainability issues. These polymers are capable of efficient polymerization, possess various functionalities, and can be effectively depolymerized into monomers for circular reuse.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2021)
Review
Chemistry, Multidisciplinary
Wei Yu et al.
Summary: Aliphatic polycarbonates are gaining attention as biomaterials due to their biocompatibility and tunable degradation, with the ability to introduce functional handles through careful design of cyclic carbonate monomers. These materials have been widely explored for a variety of biomedical applications, from drug delivery to tissue regeneration and vascular graft design, showing great potential for therapeutic use in vitro and in vivo.
Review
Chemistry, Applied
Sharmaine B. Luk et al.
Summary: Dienes such as isoprene and butadiene are commonly used to give rubbery properties to polymeric materials. With a shift towards using renewable resources, bio-based monomers have been targeted as replacements for petroleum-based dienes in polymer production. Recent advancements in reversible deactivation radical polymerization (RDRP) have enabled the application of bio-based dienes in making polymeric materials with controlled microstructures and chain lengths.
REACTIVE & FUNCTIONAL POLYMERS
(2021)
Article
Engineering, Environmental
Chao Liu et al.
Summary: The study aims to increase plastic recycling and promote consumer purchasing of more recyclable plastic products by defining a plastic credit system. This system assigns credit information to plastic products and companies based on the recyclability value of the plastic, using a double-chain system for unified and transparent credit management. Through overall system performance analysis, it is found that the designed plastic credit system is effective in promoting demand shift towards more recyclable plastic products and achieving lightweight operation for resource requirements and system maintenance.
Review
Chemistry, Multidisciplinary
Mitra S. Ganewatta et al.
Summary: The rich structures and hierarchical organizations in nature inspire advanced material designs; bioinspired and biomimetic materials play crucial roles in synthetic materials; sustainable organic polymer chemistry enables tuning of material properties and functions.
NATURE REVIEWS CHEMISTRY
(2021)
Article
Polymer Science
Christian Wahlen et al.
Summary: Biomass-derived materials show great potential in material science and industry, especially with the increasing demand for sustainable alternatives to fossil resources. Anionic polymerization of bio-based 1,3-diene monomers offers unique control over polymer structures, leading to the synthesis of well-defined copolymers with various potential applications such as rubber replacement and functionalized materials.
Article
Polymer Science
Christopher A. DeRosa et al.
Summary: The use of (R)-1,3-butylene carbonate as a biorenewable monomer for the preparation of semicrystalline aliphatic polycarbonates results in high crystallinity in the polymer. Compared to petrol-based congeners, the biobased polymers exhibit higher levels of crystallinity.
Review
Polymer Science
Qinan Zhang et al.
Summary: Bio-based polyesters are attracting increasing interest as sustainable and environmentally friendly polymer materials, with a wide range of application areas. Recent developments in the field have led to the emergence of a large number of bio-based polyesters in the fast-growing bio-based industry. This review presents the recent advances, challenges, and future prospects of bio-based polyesters.
PROGRESS IN POLYMER SCIENCE
(2021)
Article
Polymer Science
Akhil Dev et al.
Summary: The acyclic monoterpene beta-myrcene is polymerized by anionic polymerization using sec-butyllithium as the initiator and DL-limonene as a solvent at room temperature. The polymerization process is living, producing polymyrcenes with narrow molar mass distribution and high content of 1,4 units, as well as block copolymers.
Review
Polymer Science
Zhongkai Wang et al.
PROGRESS IN POLYMER SCIENCE
(2020)
Review
Polymer Science
Francesco Della Monica et al.
Review
Chemistry, Multidisciplinary
Shaoqing Cui et al.
JOURNAL OF CO2 UTILIZATION
(2019)
Article
Polymer Science
Simcha E. Felder et al.
Review
Polymer Science
Aliki Douka et al.
PROGRESS IN POLYMER SCIENCE
(2018)
Article
Multidisciplinary Sciences
Jian-Bo Zhu et al.
Review
Polymer Science
Maarten A. Mees et al.
Article
Polymer Science
Maksim I. Hulnik et al.
Article
Chemistry, Multidisciplinary
Chunliang Li et al.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2016)
Article
Polymer Science
Georgina L. Gregory et al.
Review
Chemistry, Applied
Aqdas Noreen et al.
PROGRESS IN ORGANIC COATINGS
(2016)
Editorial Material
Multidisciplinary Sciences
Uwe T. Bornscheuer
Review
Polymer Science
Alessandro Gandini et al.
PROGRESS IN POLYMER SCIENCE
(2015)
Article
Polymer Science
William Guerin et al.
Review
Polymer Science
Perry A. Wilbon et al.
MACROMOLECULAR RAPID COMMUNICATIONS
(2013)
Review
Polymer Science
Casey J. Galvin et al.
PROGRESS IN POLYMER SCIENCE
(2012)
