By Bob A. Howell
Presently so much undergraduate courses in chemistry supply insufficient education within the quarter of polymeric fabrics. This even though those fabrics are mostly accountable through the standard of lifestyles that everybody enjoys and that almost all chemistry graduates, at no matter what point they choose to search employment, will paintings in a polymer or a polymer-related quarter. this case has been well-known by way of the ACS Committee on Profesional education. present committee instructions include the expectancy therapy of polymeric fabrics might be part of all foundational classes in chemistry. this is often, maybe, such a lot without problems performed for the foundational natural chemistry direction. so much advertisement polymers accepted by way of the eating public are natural in composition and are shaped via basic, easily-understood natural reactions. The instruction of polymeric fabrics can be utilized to demonstrate some of the primary options of natural chemistry. Inclusion of a few remedy of polymeric fabrics serves to stimulate pupil curiosity and exuberance for the direction and to stress the valuable position that those fabrics occupy of their day-by-day lives and the final health and wellbeing of society. This quantity, a manufactured from an ACS symposium assembly, discusses those fabrics in line with the most up-tp-date developments and advancements, and indicates how those traits may be utilized to natural chemistry classes.
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Extra resources for Introduction of Macromolecular Science/Polymeric Materials into the Foundational Course in Organic Chemistry
Sample text
While the explanation for LCST events can be complex and can involve many sorts of polymers (2), the simplified explanation I use in an organic chemistry class for PNIPAM is that this polymer is soluble cold because of the favorable hydration due to hydrogen bonding where waters of hydration are associated with each carboxamide monomer unit of the macromolecule (3). The hydrogen bonding of the protons of solvent water to the amide groups of the PNIPAM polymer generates a negative ΔH that contributes to a negative and favorable ΔG at room temperature.
By using real materials that students encounter on a daily basis as subjects for problems as lecture anecdotes, as demonstrations, or as explanative illustrations in an office discussion, the dry and sometimes arcane facts of organic chemistry become more meaningful. Incorporation of polymer chemistry is no different than incorporating green chemistry, environmental chemistry, or biological chemistry examples. Any of these examples enrich the course because students realize the relevance of what they are learning in organic chemistry to broader issues that include the many materials that are products of modern polymer chemistry.
Moreover, it really is not hard to use polymer chemistry examples to show students that organic chemistry literally is the fabric of modern society. Many students I have encountered in my nearly 40 years at Texas A&M take organic chemistry with a measure of trepidation. OChem as it is commonly known is a course that is a hurdle for want-to-be doctors or chemical engineers. It can be a killer course for a chemical engineering major as it is taken along with physics and some of the higher level math courses.