Polymer Coatings Final Exam

______________________ polymerization, this is formed by the reactive groups of two monomers reacting to form a dimer, the dimer combining with another to form a tetramer and so on.

The relative amounts of polymers of different molecular weights that comprise a given specimen of a polymer

The ____________ temperature of a non-crystalline material is the critical temperature at which the material changes its behavior from being ‘glassy’ to being ’rubbery’.

Dupanol is soluble in water

LDPE is soluble in water

_____________________ is a measure of the mechanical resistance to separation of the binder from its underlying substrate

Polymeric coatings are comprised of 4 main components, except

The reaction of isocyanate-containing compounds with alcohols to form polyurethane

If small polymer particles of 0.05 to 1.0 micrometre in size are formed as dispersion in water or organic solvent and if the polymer is above its glass transition temperature (Tg) and is rubbery in nature, then ________________

Pigments are __________ particulate materials that provide colour, opacity, gloss control, rheological control, and certain functions such as corrosion inhibition or magnetic moment

This is a component used for mildew control

________________ cure by heating (baking) to about 300-400°F (150-200°C)

Advantages of high-solids paint as compared to conventional solvent-borne paints include the following except:

Exterior Acrylic Latex Paint is an example of ______________

VOC emissions are significantly reduced is a benefit of _____________

Any industrial product benefits from the advantages of _________ coating: improved appearance, exceptional toughness and durability, scratch-resistant, high quality, colorful, versatile, and long lasting

Radiation cure coatings include which of the following

_________________________ is currently engaged in the development of regulations for a number of categories of industrial surface coating operations and composite operations

Environmental stimuli that influence smart coatings include:

Advantages of nano-coatings include the following except