Quiz 1 Study Guide

Quiz 1 Study Guide - PTFE Quiz 1 Study Guide Addition and...

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PTFE Quiz 1 Study Guide Addition and condensation polymer types are observational descriptions. A polymerization is addition if the entire monomer molecule becomes part of the polymer. It is condensation if part of the monomer is removed, such as water, when the monomer becomes part of the polymer. Step growth and chain growth polymer types are mechanistic descriptions. In chain growth polymerization, monomers become part of the polymer one at a time through (1. Initiation 2. Propagation 3. Termination). In a step growth polymerization, the growing chains may react with chains of all lengths to form even longer chains. Polyester Nylon Kevlar Polyurethane Polyolefin Polyacrylate Linear Branched Dendritic Star
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Composites are made up of a fiber and a matrix material. About 4% of petroleum worldwide is used to make plastics whereas about 55% of petroleum is used in transportation. Plastic packaging in the developed world leads to low wastage (less than 2%) whereas in the undeveloped world about 50% of the food produced becomes rotten. Plastics play a key role in transportation. The lightness of plastics in the making of cars results in
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Quiz 1 Study Guide - PTFE Quiz 1 Study Guide Addition and...

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