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ERIC Number: EJ1442289
Record Type: Journal
Publication Date: 2022-Dec
Pages: 8
Abstractor: As Provided
ISBN: N/A
ISSN: ISSN-0021-9584
EISSN: EISSN-1938-1328
Available Date: N/A
Transforming a Classic Polymer Demonstration into a Flexible, Inquiry-Based Laboratory Experience for Lower and Upper Division Laboratories
Ani Nvehr Davis; Stephan Georgiev Michaelov; Clayton Joshua Rogers; Leighann Rose Weber; Brycelyn Marie Boardman; Gretchen Marie Peters
Journal of Chemical Education, v99 n12 p3993-4000 2022
Polymer chemistry is an important subject in the undergraduate chemistry curriculum. It is required for ACS-certified degrees and significantly connects to real world issues like the plastic waste crisis. While some concepts of polymer chemistry can be incorporated into lecture courses, students' understanding of material properties and structure-property relationships benefits from hands-on laboratory experiences. Here, we describe the development of an inquiry-based laboratory experiment starting from the classic Nylon Rope demonstration. This experiment involves a three-stage feedback loop, through which students develop their own protocols for the synthesis, characterization, and analysis of Nylon-6,10 and two new nylon polymers. Students propose the structure of the new nylons based on "what if" questions they develop. This strategy allows students to ask research questions without requiring advanced knowledge. This experiment is designed to be flexible and easily adapted and can therefore be implemented in both upper and lower division undergraduate laboratory courses. Scanning electron microscopy (SEM) was used to visualize the nylon fibers. Though this technique is not commonly employed in undergraduate laboratories, the ability to compare differences in morphological features to spectroscopic and thermal data strengthened the students' understanding of the polymer structure and its relationship to the material properties. This inquiry-driven experiment provides a framework for incorporating polymer chemistry into laboratories across the chemistry curriculum and can serve as a model for transforming classic demonstrations into inquiry-based experiences.
Division of Chemical Education, Inc. and ACS Publications Division of the American Chemical Society. 1155 Sixteenth Street NW, Washington, DC 20036. Tel: 800-227-5558; Tel: 202-872-4600; e-mail: eic@jce.acs.org; Web site: http://pubs.acs.org/jchemeduc
Publication Type: Journal Articles; Reports - Descriptive
Education Level: Higher Education; Postsecondary Education
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A
Grant or Contract Numbers: N/A
Author Affiliations: N/A