PTFE 3720 Lec 2

PTFE 3720 Lec 2 - PTFE 3720 Introduction to the...

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Unformatted text preview: PTFE 3720 Introduction to the Polymer/Fiber Enterprise (3-0-3) Dr. Fred L. Cook School of Polymer, Textile & Fiber Engineering Georgia Tech POLYMER A large molecule constructed from many smaller structural units called monomers, covalently bonded together in any conceivable arrangement. MONOMER A small molecule that possesses two or more bonding sites through which it can react with other monomers to form a polymer chain. The number of bonding sites is referred to as the functionality of the monomer. CHAIN GROWTH POLYMERIZATION CHAIN GROWTH POLYMERS H H H H C=C --CC-- H R H R Monomer Polymer COMMON CHAIN GROWTH POLYMERS H H H H -C-C- -C-C- H H H CH 3 Polyethylene Polypropylene H H H H -C-C- -C-C- H CN H OH Polyacrylonitrile Poly(Vinyl Alcohol) STEP GROWTH POLYMERIZATION...
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PTFE 3720 Lec 2 - PTFE 3720 Introduction to the...

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