Application of Thermal Analysis Techniques Across the Undergraduate Chemistry Curriculum

热分析技术在本科化学课程中的应用

• 批准号: 0311518
• 负责人: David Boyd
• 金额: $ 3.07万
• 依托单位: University of St. Thomas
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2003
• 资助国家: 美国
• 起止时间: 2003-08-01 至 2006-07-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0311518&HistoricalAwards=false
• 关键词: Application; Thermal; Analysis; Techniques; Across

Chemistry (12) Materials-related investigations and products are prominent in recent technological advances, yet formal instruction in materials-related fields is typically absent from the undergraduate curriculum. With the acquisition of thermal analysis instrumentation (differential scanning calorimeter and thermogravimetric analysis (DSC/TGA) to support instruction of materials chemistry methods, we are in the process of formalizing instruction in materials chemistry by infusing materials-related content into existing undergraduate courses at several levels of our curriculum. The classes impacted by this new instrumentation include General Chemistry, Instrumental Analysis, Bioanalytical and Forensic Chemistry, and a new course, entitled "Laboratory Methods in Materials Chemistry". Experiments from educational literature that make use of DSC/TGA techniques are being adapted and implemented in each of the above laboratory courses. For example, our general chemistry students use DSC to examine the crystallization behavior of the amino acid glycine. Other experiments, such as the effect of different plasticizers on the properties of polystyrene films and connecting the DSC measurements of glass transition temperature to the performance of some commercial polymers are being adapted in other laboratory courses. The "Laboratory Methods in Materials Chemistry" is a workshop style, laboratory intensive course that blends theory and application of preparative and characterization strategies used in materials science. The students utilize our existing equipment (IR, NMR, spin coater, tube furnaces, high vacuum lines, GPC) with the newly acquired DSC-TGA to provide an overview of methods used to synthesize and characterize useful solid-state materials. The new instruments are also used by our faculty in doing collaborative research with colleagues and undergraduate students. We anticipate that the DSC/TGA laboratories will add significantly to the technical preparation of our students, and better prepare them to teach, pursue graduate study, or seek industrial employment in materials-related fields.

在最近的技术进步中，材料相关的研究和产品是很重要的，然而在本科课程中，材料相关领域的正式教学通常是缺失的。随着热分析仪器（差示扫描量热计和热重分析（DSC/TGA））的获得，以支持材料化学方法的教学，我们正在通过将材料相关的内容注入到现有的本科课程的几个层次中，从而使材料化学教学正式化。受新仪器影响的课程包括普通化学、仪器分析、生物分析和法医化学，以及一门名为“材料化学的实验室方法”的新课程。利用DSC/TGA技术的教育文献中的实验被改编并应用于上述每门实验课程。例如，我们的普通化学学生使用DSC来检查氨基酸甘氨酸的结晶行为。其他实验，如不同增塑剂对聚苯乙烯薄膜性能的影响，以及将玻璃化转变温度的DSC测量与某些商用聚合物的性能联系起来，正在被其他实验室课程所采用。“材料化学的实验室方法”是一门工作坊式的实验室强化课程，融合了材料科学中制备和表征策略的理论和应用。学生们利用我们现有的设备（红外，核磁共振，旋转镀膜机，管式炉，高真空线，GPC）和新获得的DSC-TGA提供了用于合成和表征有用固态材料的方法的概述。这些新仪器也被我们的教师用于与同事和本科生进行合作研究。我们预计DSC/TGA实验室将大大增加我们的学生的技术准备，并更好地为他们在材料相关领域的教学，研究生学习或寻求工业就业做好准备。