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  Home > JCE Print > Journal of Chemical Education > Issues > 2001  > October  >
In the Laboratory
An Introduction to the Scientific Process: Preparation of Poly(vinyl acetate) Glue
Robert G. Gilbert, Christopher M. Fellows, James McDonald, and Stuart W. Prescott
Key Centre for Polymer Colloids, University of Sydney, Sydney, NSW 2006, Australia

Cover
October 2001
Vol. 78 No. 10
p. 1370

Abstract

Preparation of a poly(vinyl acetate) latex and testing of its capacity to act as a glue was found to be a very successful way to introduce students not only to the chemistry of free radical polymerization in emulsion, but to the scientific method. With a high level of success, students prepared latexes according to a number of recipes containing varying amounts of poly(vinyl alcohol), then developed their own testing procedures in groups. Results were passed on to successive groups of students, allowing testing procedures to be optimized and hypotheses about the influence of chemical structure on adhesion to be developed over time within a "model research community". Responses from the students involved have been overwhelmingly positive, and we feel that the exercise has encouraged student interest in a scientific career as well as imparting information about important aspects of chemistry rarely covered in secondary or early undergraduate courses.

Supplement
The supplemental material provided includes detailed guidelines, information, equipment and materials lists for the instructor, instructions for the students, and an adhesive test report sheet with questions.
*  Contents JCE2001p1370W.ppt (Microsoft PowerPoint), JCE2001p1370W.doc (Microsoft Word)
*  Download
JCE2001p1370W.pdf

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More Information
*  Citation
Gilbert, Robert G.; Fellows, Christopher M.; McDonald, James; Prescott, Stuart W. J. Chem. Educ. 2001 78 1370.
*  Keywords
Industrial Chemistry; Inquiry-Based / Discovery Method; Intermolecular Forces; Introductory / High School Chemistry; Laboratory Instruction; Organic Chemistry; Surface Science
*  History
Created:
Last Updated:
September 13, 2001
August 31, 2005
  Home > JCE Print > Journal of Chemical Education > Issues > 2001  > October  > Page 1370


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