权益分类	功能权益	普通用户	{{item.name}}会员
{{category.name}}	{{benefitItem.name}}

Molecular Level Studies on Phthalates at Interfaces Using Nonlinear Optical Spectroscopic Techniques

使用非线性光谱技术对界面邻苯二甲酸盐进行分子水平研究

基本信息

批准号：
1111000
负责人：
Zhan Chen
金额：
$ 42万
依托单位：
Regents of the University of Michigan - Ann Arbor
依托单位国家：
美国
项目类别：
Continuing Grant
财政年份：
2011
资助国家：
美国
起止时间：
2011-07-15 至 2016-06-30
项目状态：
已结题

来源：
https://www.nsf.gov/awardsearch/showAward?AWD_ID=1111000&HistoricalAwards=false
关键词：
Molecular Level Studies Phthalates Interfaces

项目摘要

The Environmental Chemical Sciences (ECS) program of the Division of Chemistry will support the research program of Prof. Zhan Chen of the University of Michigan. Prof. Chan and his students will employ sum frequency generation (SFG) and coherent anti-Stokes Raman scattering (CARS) spectroscopy to reveal segregation and molecular structures of phthalates, which are commonly used plasticizers, on polymer surfaces and on environmentally important model surfaces/interfaces. The study aims to increase our understanding of degradation mechanisms of phthalates on surfaces and in bulk media, and to elucidate molecular mechanisms of various surface modification methods to prevent/reduce phthalate leaching from polymer systems. The study will probe for the first time the interfacial behavior of phthalates at environmentally important surfaces and interfaces in situ. It will provide molecular correlations between phthalate structure on environmentally relevant surfaces and interfaces and their leaching and degradation properties. The project will ultimately aid in the design and development of methodologies to reduce and minimize phthalates' negative impacts on the environment and human health. The study will provide an excellent educational opportunity for undergraduate and graduate students to carry out a fundamental research project of great societal importance.

化学系环境化学（ECS）项目将支持密歇根大学陈展教授的研究项目。陈教授和他的学生将使用和频产生（SFG）和相干反斯托克斯拉曼散射（CARS）光谱来揭示邻苯二甲酸盐（一种常用的增塑剂）在聚合物表面和对环境重要的模型表面/界面上的分离和分子结构。本研究旨在增加我们对邻苯二甲酸盐在表面和散装介质中的降解机制的理解，并阐明各种表面改性方法防止/减少聚合物体系中邻苯二甲酸盐浸出的分子机制。该研究将首次探索邻苯二甲酸盐在环境重要表面和界面上的界面行为。它将提供与环境有关的表面和界面上邻苯二甲酸酯结构及其浸出和降解特性之间的分子相关性。该项目最终将有助于设计和发展各种方法，以减少和尽量减少邻苯二甲酸盐对环境和人类健康的负面影响。该研究将为本科生和研究生开展具有重大社会意义的基础研究项目提供良好的教育机会。