Polymeric Surface Coatings (Paints)-10

Polymeric Surface Coatings (Paints)-10 - Polymeric Surface...

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Polymeric Surface Coatings (Paints) MET 144
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Introduction Various techniques have been developed which add material to the surface of the part in order to protect it or introduce a desirable property to the surface If the material is deposited as a polymeric liquid or organic gas, the process is called coating
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Painting, Wet or Liquid Paints and enamels are by far the most widely used finish on manufactured products, with many concoctions available to meet the diversified requirements Most are synthetic organic compounds that contain pigments and dry by polymerization or by a combination of polymerization and adsorption of oxygen
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Some Paint Characteristics Water is the most common carrying vehicle for the pigments Heat can be used to accelerate the drying (even though many do not need added heat) The older oil-based materials have a long drying time and require excessive environmental protection measures and are not used much anymore
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This note was uploaded on 01/13/2011 for the course MET 144 taught by Professor Handy,r during the Spring '08 term at Purdue.

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Polymeric Surface Coatings (Paints)-10 - Polymeric Surface...

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