Porous Polymeric Materials for Environmental Sustainability

用于环境可持续性的多孔聚合物材料

• 批准号: RGPIN-2022-04566
• 负责人: Leung, SiuNing
• 金额: $ 2.04万
• 依托单位: York University
• 依托单位国家: 加拿大
• 项目类别: Discovery Grants Program - Individual
• 财政年份: 2022
• 资助国家: 加拿大
• 起止时间: 2022-01-01 至 2023-12-31
• 项目状态: 已结题
• 来源: https://www.nserc-crsng.gc.ca/ase-oro/Details-Detailles_eng.asp?id=760217
• 关键词: Porous; Polymeric; Materials; Environmental; Sustainability

Nature of the Research Program: With extremely large specific surface area, porous polymeric materials (PPM) have the potential to solve some of the most urgent technological challenges in the modern world. Examples include energy harvesting and storage, thermal management, and environmental remediation. In order to tailor their multifunctional properties, the key technological challenge is to control their porosity, including pore size, distribution, and morphology. For porous polymeric composites and nanocomposites, the complex interrelation between filler movement and foaming mechanism during processing represents another challenge. In this context, the key research question in the research program is: "How to precisely tune the hierarchical porosity in PPM together with the micro-and-nanostructures of its matrix and filler, and thereby to achieve targeted multifunctional properties for various applications in order to promote environmental sustainability?" Significance of the Research Program: The research program will investigate the synergistic relationships among different polymer processing techniques (i.e., supercritical carbon dioxide foaming, leaching, electrospinning, and 3D printing) to tune the micro-and-nanostructures (i.e., pore morphologies, crystal structures, and/or filler networks) of PPM in different classes. The program will be subdivided into three themes: (i) amorphous porous polymeric materials (aPPM); (ii) semicrystalline porous polymeric materials (sPPM); and (iii) porous polymeric composites and nanocomposites (PPC and PPnC). Each theme will target on a specific interdisciplinary application. These include (i) thermal management via radiative cooling, (ii) energy harvesting and sensing, and (iii) biological wastewater treatment. Anticipated Outcomes: Successful completion of the proposed research program will advance both science and technology thus accelerating the development of the next generation environmentally sustainable multifunctional PPM including: (i) porous energy harvesting materials to extract energy from mechanical motion; (ii) porous polymeric structures with tunable radiative absorption/emission spectrums and reflectance for thermal management via radiative cooling; and (iii) hybrid membrane systems for biological wastewater treatment. Potential Benefits to Canada: Undertaking this research program will advance the training of highly qualified personnel (HQP) at undergraduate and graduate levels in Canada's key economic sectors, such as biomedical, clean technology, energy, and manufacturing. In particular, the program will provide HQP with practical experience and skills in material development, processing and characterization. My proven track-record, training philosophy, and continuous plan to promote and sustain an EDI research training environment will contribute to York University, the field of STEM, and Canada to foster EDI.

研究计划的性质：具有极大的比表面积，多孔聚合物材料（PPM）有可能解决现代世界中一些最紧迫的技术挑战。例子包括能量收集和存储、热管理和环境修复。为了定制它们的多功能特性，关键的技术挑战是控制它们的孔隙率，包括孔径、分布和形态。对于多孔聚合物复合材料和纳米复合材料，加工过程中填料运动和发泡机理之间的复杂相互关系是另一个挑战。在这种情况下，该研究计划的关键研究问题是：“如何精确地调整PPM中的分层孔隙率及其基质和填料的微米和纳米结构，从而实现各种应用的目标多功能特性，以促进环境的可持续性？“研究计划的意义：研究计划将研究不同聚合物加工技术之间的协同关系（即，超临界二氧化碳发泡、浸出、静电纺丝和3D打印）以调整微纳米结构（即，孔形态、晶体结构和/或填料网络）。该计划将被细分为三个主题：（i）无定形多孔聚合物材料（aPPM）;（ii）半结晶多孔聚合物材料（sPPM）;和（iii）多孔聚合物复合材料和纳米复合材料（PPC和PPnC）。每个主题将针对特定的跨学科应用。这些包括（i）通过辐射冷却的热管理，（ii）能量收集和传感，以及（iii）生物废水处理。 预期结果：成功完成拟议的研究计划将推动科学和技术的发展，从而加速下一代环境可持续的多功能PPM的发展，包括：（i）多孔能量收集材料，从机械运动中提取能量;（ii）具有可调辐射吸收/发射光谱和反射率的多孔聚合物结构，用于通过辐射冷却进行热管理;和（iii）用于生物废水处理的混合膜系统。 对加拿大的潜在好处：开展这项研究计划将促进加拿大关键经济部门（如生物医学，清洁技术，能源和制造业）本科和研究生阶段高素质人才（HQP）的培训。特别是，该计划将为HQP提供材料开发，加工和表征方面的实践经验和技能。我经过验证的跟踪记录，培训理念，以及促进和维持EDI研究培训环境的持续计划将有助于约克大学，STEM领域和加拿大促进EDI。