CAREER: SusChEM: Synthesis and Characterization of Disulfonated Poly(arylene ether sulfone 2,4,6-Trichloro-1,3,5-triazine) Hybrid Copolymers

职业：SusChEM：二磺化聚（亚芳基醚砜 2,4,6-三氯-1,3,5-三嗪）杂化共聚物的合成和表征

• 批准号: 1454451
• 负责人: Natalie Arnett
• 金额: $ 54.75万
• 依托单位: Fisk University
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2015
• 资助国家: 美国
• 起止时间: 2015-06-01 至 2020-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=1454451&HistoricalAwards=false
• 关键词: CAREER; SusChEM; Synthesis; Characterization; Disulfonated

NON-TECHNICAL:The objective of this CAREER project is to develop novel membrane materials for fuel cell applications and integrate this research into polymer education through appropriate courses and laboratory experiences. The research and education plan for this project will be achieved by: 1) Designing and preparing new fuel cell membranes for transport of electric charges; 2) Evaluating the properties and performance of the novel materials; 3) Modifying the materials to improve their properties; and 4) Merging polymer chemistry with general chemistry concepts by designing an "Introduction to Polymer Chemistry: General Chemistry Concepts" lecture and lab course for freshman students. The proposed research significantly enhances Fisk University's current and future research capabilities in polymer science through the introduction of this course that is deeply imbedded in the research objectives of this proposal, but simple enough to arouse student's interest and learning. Furthermore, the proposed two-semester introductory polymer course/inquiry-based lab experience, which is a student-selected alternative to traditional General Chemistry, will facilitate the enhancement of learning and research skills for undergraduate students. Introduction of authentic research beginning in the freshman year should also increase the retention of undergraduates (including underrepresented minorities) in STEM (science/technology/engineering/mathematics) and increase the pipeline of underrepresented talent for STEM careers.TECHNICAL:The objective of the proposed research is to synthesize hybrid copolymers of disulfonated poly(arylene ether sulfone)s (PAESs) by incorporating a post-modifiable unit, 2,4,6-trichloro-1,3,5-triazine (TT), into the polymer backbone. The significance of this approach is that the properties of the proton exchange membrane for fuel cells could be engineered for precisely tailored performance by tuning the microstructure of the copolymer backbone using varying and distinct structural/functional features. The disulfonated poly(arylene ether sulfone- 2,4,6-Trichloro-1,3,5-triazine) (PAES-TT) hybrid copolymers will be prepared to form linear, high molecular-weight materials after optimizing the required synthetic steps. Subsequently, PAES-TT membranes will be prepared and characterized to evaluate their structure-property relationships and performance in proton-exchange-membrane fuel cell applications. The educational component of this proposal is centered on developing an "Introduction to Polymer Chemistry: General Chemistry Concepts" lecture and lab course for freshman students as a means to incorporate student research experiences into the regular academic-year curriculum. Exposure of students to research, mentoring of students, broadening participation of underrepresented groups in science, and increasing the pipeline of underrepresented talent for STEM careers are other major components of the broader impacts of this project.

非技术：该职业项目的目的是开发新型的膜材料，以通过适当的课程和实验室经验将这项研究纳入聚合物教育中。该项目的研究和教育计划将通过：1）设计和准备新的燃料电池膜以运输电荷； 2）评估新材料的性质和性能； 3）修改材料以改善其性质； 4）通过设计“聚合物化学概论：通用化学概念概念”讲座和实验室课程，将聚合物化学与一般化学概念合并。拟议的研究大大通过引入了本课程的引入该课程，从而大大增强了Fisk University在聚合物科学方面的当前和未来研究能力，该课程深深地嵌入了该提案的研究目标中，但很简单，足以引起学生的兴趣和学习。 此外，拟议的两学期介绍性聚合物课程/基于询问的实验室经验是学生选择的传统通用化学替代方案，它将促进本科生的学习和研究技能的增强。 Introduction of authentic research beginning in the freshman year should also increase the retention of undergraduates (including underrepresented minorities) in STEM (science/technology/engineering/mathematics) and increase the pipeline of underrepresented talent for STEM careers.TECHNICAL:The objective of the proposed research is to synthesize hybrid copolymers of disulfonated poly(arylene ether sulfone)s (PAESs) by incorporating可修改后单元，2,4,6-三氯1,3,5-三嗪（TT），进入聚合物主链。 这种方法的意义在于，可以通过使用变化和不同的结构/功能功能来调整共聚物骨架的微观结构来设计质子交换膜对燃料电池的特性。 在优化所需的合成步骤后，将准备二硫化聚聚（芳基醚 - 2,4,6-三氯1,3,5-三嗪）（PAES-TT）杂交共聚物，以形成线性，高分子重量的材料。 随后，将准备和表征PAES-TT膜，以评估其在质子交换 - 膜燃料燃料电池应用中的结构特性关系和性能。 该提案的教育部分集中在开发“聚合物化学入门：一般化学概念概念”讲座和实验室课程中，以作为将学生研究经验纳入常规学年课程的一种手段。 该项目更广泛影响的其他主要组成部分是学生接触研究，指导学生的研究，扩大代表性不足的群体的参与以及增加代表性不足的STEM职业人才。