Nanoparticle interactions with swollen polymer networks
纳米粒子与膨胀聚合物网络的相互作用
基本信息
- 批准号:RGPIN-2020-05162
- 负责人:
- 金额:$ 2.84万
- 依托单位:
- 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:
- 关键词:
项目摘要
Hydrogels are soft polymer networks that take on striking amounts of water, making them highly porous to molecules-similarly to liquid water-but with solid-like mechanical properties. They are used in a vast range of domestic and industrial applications, including food, cosmetics, medicine, agriculture, and enhanced oil recovery. While hydrogel properties are often tailored to specific applications via polymer chemistry, another approach is to modify the microstructure using nanoparticles, thus forming ``hydrogel nano-composites''. The motivation may be to reduce costs, particularly for large-scale industrial applications, or to achieve very specific properties for niche applications. However, nanoparticle doping brings with it a plethora of new practical and fundamental scientific challenges. These arise from the complicated and poorly understood manner in which nanoparticles interact with cross-linked polymer networks. The proposed research will tackle several fundamental scientific challenges-using theoretical, computational, and experimental methodologies-that will help to address important industrial and societal questions arising from nanoparticle use in hydrogel technologies. Envisioned is a ``diagnostic toolbox''-featuring electroacoustic, dielectric and rheological spectroscopy-and a nanoparticle assay to unambiguously quantify how nanoparticles interact with hydrogel networks. The mechanistic insights required to develop and apply this platform-in advanced-materials, environmental, and human-health fields-will be sought in the next five years by integrating (i) experimental model systems, (ii) novel applications of elactro-acoustic, dielectric and rheological spectroscopy, (iii) continuum-scale computation, and (iv) molecular-scale simulation. This program of research will generate fundamental knowledge to strengthen Canada's advanced materials and bio-technology industries, provide rigorous scientific input on nanoparticle release, transport and human-health concerns, and empower a new generation of engineers with expert knowledge and practical expertise for industrial and academic leadership.
水凝胶是一种柔软的聚合物网络,可以吸收大量的水,使它们对分子具有高度多孔性——类似于液态水——但具有类似固体的机械性能。它们广泛用于家庭和工业应用,包括食品,化妆品,医药,农业和提高石油采收率。虽然水凝胶的性质通常是通过聚合物化学来适应特定的应用,但另一种方法是使用纳米颗粒来改变微观结构,从而形成“水凝胶纳米复合材料”。其动机可能是为了降低成本,特别是对于大规模的工业应用,或者为小众应用实现非常具体的特性。然而,纳米颗粒掺杂带来了大量新的实践和基础科学挑战。这些都是由于纳米颗粒与交联聚合物网络相互作用的复杂和鲜为人知的方式引起的。拟议的研究将解决几个基本的科学挑战——使用理论、计算和实验方法——这将有助于解决纳米颗粒在水凝胶技术中的应用所产生的重要工业和社会问题。设想是一个“诊断工具箱”-具有电声,电介质和流变光谱-和纳米颗粒分析,以明确量化纳米颗粒如何与水凝胶网络相互作用。开发和应用该平台所需的机械见解-在先进材料,环境和人类健康领域-将在未来五年内通过整合(i)实验模型系统,(ii)电声,介电和流变光谱的新应用,(iii)连续尺度计算和(iv)分子尺度模拟来寻求。该研究项目将产生基础知识,以加强加拿大的先进材料和生物技术产业,为纳米颗粒释放、运输和人类健康问题提供严格的科学投入,并为工业和学术领导赋予新一代工程师专业知识和实用技能。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Hill, Reghan其他文献
Hill, Reghan的其他文献
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{{ truncateString('Hill, Reghan', 18)}}的其他基金
Nanoparticle interactions with swollen polymer networks
纳米粒子与膨胀聚合物网络的相互作用
- 批准号:
RGPIN-2020-05162 - 财政年份:2021
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Nanoparticle interactions with swollen polymer networks
纳米粒子与膨胀聚合物网络的相互作用
- 批准号:
RGPIN-2020-05162 - 财政年份:2020
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Nanoparticle interactions with swollen polymer networks
纳米粒子与膨胀聚合物网络的相互作用
- 批准号:
RGPIN-2019-04490 - 财政年份:2019
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Dynamic and static light-scattering goniometer for soft nanocomposites
用于软纳米复合材料的动态和静态光散射测角仪
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RTI-2020-00382 - 财政年份:2019
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$ 2.84万 - 项目类别:
Research Tools and Instruments
Fundamental theoretical and experimental studies of soft matter and their composites
软物质及其复合材料的基础理论与实验研究
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262785-2013 - 财政年份:2017
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Fundamental theoretical and experimental studies of soft matter and their composites
软物质及其复合材料的基础理论与实验研究
- 批准号:
262785-2013 - 财政年份:2016
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Fundamental theoretical and experimental studies of soft matter and their composites
软物质及其复合材料的基础理论与实验研究
- 批准号:
262785-2013 - 财政年份:2015
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Probing Surface Properties of Pickering Emulsions from Refinery Desalters
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470329-2014 - 财政年份:2014
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$ 2.84万 - 项目类别:
Engage Grants Program
Fundamental theoretical and experimental studies of soft matter and their composites
软物质及其复合材料的基础理论与实验研究
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262785-2013 - 财政年份:2014
- 资助金额:
$ 2.84万 - 项目类别:
Discovery Grants Program - Individual
Fundamental theoretical and experimental studies of soft matter and their composites
软物质及其复合材料的基础理论与实验研究
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262785-2013 - 财政年份:2013
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$ 2.84万 - 项目类别:
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