Modular Approach to Bio-Based Poly(enol ether)s with Tunable Thermal Properties and Degradability

ACS Applied Polymer Materials, Journal Year: 2024, Volume and Issue: unknown

Published: Feb. 28, 2024

Biomass-derived polymer materials are emerging as sustainable and low-carbon footprint alternatives to the current petroleum-based commodity plastics. In past decade, ring-opening metathesis polymerization (ROMP) technique has been widely used for of cyclic olefin monomers derived from biorenewable resources, giving rise a diverse set biobased materials. However, most synthetic polymers made by ROMP nondegradable because their all-carbon backbones. Herein, we present modular strategy acid-degradable poly(enol ether)s via copolymerization oxanorbornenes 3,4-dihydropyran (DHP). 1H NMR analysis reveals that percentage DHP units in resulting copolymers gradually increases feed ratio oxanorbornene increases. The composition plays pivotal role governing thermal properties. Thermogravimetric shows an increasing results decrease decomposition temperatures, suggesting incorporation enol ether groups backbone reduces stability copolymers. Moreover, wide range glass transition temperatures (16–165 °C) can be achieved tuning copolymer structure. Critically, all developed this study degradable under mildly acidic conditions. A higher leads enhanced degradability, evidenced smaller final degradation products. Altogether, provides facile approach synthesizing with highly tunable properties desired potential industrial applications.

Language: Английский

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Study on Temple Waste Management and its Potential for Reducing Carbon Emission

Revista de Gestão Social e Ambiental, Journal Year: 2024, Volume and Issue: 18(4), P. e06684 - e06684

Published: May 22, 2024

Objective: This study aims to investigate waste management practices at temple sites in Bali, Indonesia, with the overarching goal of reducing carbon emissions and promoting environmental sustainability amidst increasing generation frequent ceremonial events. Theoretical Framework: The relies on key theoretical concepts from science, management, tourism studies, sustainability. These include population dynamics generation, principles sustainable intersection cultural conservation. Method: employs a comprehensive methodology that involves analysis composition using Indonesian National Standard (SNI) 19-3964-1994. Additionally, we collected data through interviews expenditure assessments evaluate existing understand visitor behaviours. Results Discussion: Analysis revealed significant quantities generated sites, Watu Klotok Temple emerging as largest contributor, producing 449.87 kg waste. Other contributors included Tanah Kilap Tampel, Saraswati Temple, Mutering Jagat Sidakarya Jagatnatha Pucak Mangu Temple. Predominantly, organic accounted for 84.33% total waste, while plastic food constituted 4.08% 11.59%, respectively. We observed strong positive correlation between numbers underscoring urgent need mitigate impact reduce emissions. Research Implications: results this have both practical implications strategies conservation efforts Bali's landscape. research's recommendations, such locally sourced fruits implementing segregation programmes, broader policies similar contexts. Originality/Value: research contributes literature by providing empirical evidence Bali quantifying potential reduction. study's interdisciplinary approach highlights its relevance value tackling issues culturally regions advancing development practices.

Language: Английский

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Reinventing Production: A Case Study on implementing the strategic Innovations in Sustainable Remanufacturing

E3S Web of Conferences, Journal Year: 2023, Volume and Issue: 453, P. 01022 - 01022

Published: Jan. 1, 2023

The understanding of sustainable remanufacturing as an innovative method has come about a solution to the ecological difficulties posed by industrial manufacturing. present study investigates concept reinvention via review novel practices in field remanufacturing. Remanufacturing is organizational strategy that seeks increase operational lifecycle items, hence reducing production waste and maximizing resource use. process includes thorough set phases, involving removal, repair, enhancement, with goal rebuilding already utilized products their former functionality well performance standards. This examines current state procedures, methods, strategies contribute evolution operation environmentally friendly form. abstract underlines urgent requirement for solutions response problems environment. idea been suggested effective way solve these issues. recent discussion presents easy-to-understand representation process, emphasizing its essential relevance increasing lifespan goods decreasing waste. subsequent section describes primary objective research, which investigation methods green paper aims investigate multiple tools, are currently impacting emergence companies.

Language: Английский

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