Category: Polyurethane

Daily Quiz (53)

Jerome Curran investigated pull-off strength when looking at polysiloxane alternatives to polyurethane systems used at:

How many types of polyurethane coatings are there?

What name is given to an oil-modified polyurethane?

True or false: Polysiloxanes are a variation on polyurethane coating chemistry that allows for faster curing times and higher film builds.

A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?

True or false: While polyurethane coatings exhibit strong weathering and water resistance when applied to metal roofs, polyurea elastomeric coatings do not.

True or false: Coatings with formaldehyde-abatement technology are based on polyurethane resin technology.

True or false: Polyurethane is the common chemistry in all polysiloxane coating types.

One type of isocyanate used to make polyurethanes is TDI. What is another?

What is another name for a polyurethane characterized as Type I by ASTM?

True or false: Two-component polyurethanes used as protective coatings are thermosetting coatings.

What organization has standards for silicone and moisture cure polyurethane coatings to be used over spray polyurethane foam roofing?

An oil-modified polyurethane is sometimes called by what name?

True or false: Moisture-cure polyurethanes are sometimes used to create organic zinc-rich coatings.

True or false: According to a recent D+D In Depth article, coatings utilizing polyurethane resins are the leading polymer technology in the coatings industry.

Polyurethanes are formed by the reaction of an isocyanate with a hydroxyl-containing substance. What is another name for this hydroxyl-containing substance?

True or false: Waterborne polyurethane coatings are sometimes called “waterglass.”

True or false: A clear polyurethane used to seal a coated concrete surface should exhibit maximum turbidity.

True or false: Acrylic, silicone, and polyurethane coatings are among the types sometimes specified as roof coatings over spray polyurethane foam.

A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?

Which of the following polyurethane types tend to yellow in sunlight?

What type of polyurethane yellows and chalks in direct sunlight?

True or false: Oil-modified urethanes, or uralkyds, are chemically curing materials.

True or false: Aromatic polyurethanes are designed mainly for indoor applications.

True or false: High-performance polyurethanes, polyaspartics, polysiloxanes, and fluoropolymers are best bets to retain gloss and color for long periods in atmospheric exposure.

True or false: Direct-to-metal polyurethane coatings are available in waterborne formulations.

Which of the following isocyanates is used in polyurethane coatings?

True or false: A uralkyd is a moisture-cured polyurethane.

True or false: Closed-cell, spray-applied polyurethane foam can be used as insulation but not as an air barrier.

True or False: Common factory-applied finishes over hot-dipped galvanized steel include polyester, acrylic, fluoropolymer, plastisol, and polyurethane.

Scrubbable waterborne polyurethanes for use on walls in hospitals are available in a matte finish.

Which of the following polyurethane types tends to yellow in sunlight?

In coatings, “American process” and “French process” refer to the creation of what material?

True or false: A zinc silicate primer is classified as an organic zinc-rich primer.

True or false: Aromatic polyurethanes exhibit better weathering properties than aliphatic polyurethanes.

Polyurethanes are formed by the reaction of an isocyanate with a hydroxyl-containing substance. What is another name for this hydroxyl-containing substance?

What is the relationship between a polyol and a polyalcohol?

TDI and MDI are two types of what coating ingredient?

What resin chemistry is suitable for development of coatings that can be successfully applied to stucco?

True or false: The main difference in properties between a polyurethane and a polyurea is the amount of hydrogen bonding.

What type of isocyanates contribute to strong UV resistance in polyurethane coatings?

True or false: Aliphatic polyurethanes exhibit gloss and color retention better than aromatic polyurethanes.

An oil-modified polyurethane is sometimes called by what name?

True or false: Aliphatic polyurethanes tend to retain color and gloss better than aromatic polyurethanes.

What is the alpha-numeric designation of the recently published SSPC standard describing recommended best practice in applying plural component polyureas and polyurethanes?

True or false: Polyurethanes were developed about 75 years ago by Dr. Otto Bayer and colleagues at IG Farben in Germany.

A variation on polyurethane coating chemistry that allows for faster curing times and higher film builds has what name?

True or false: Single-component polyurethane coatings are always waterborne.

Which of the following polyurethane types tends to yellow in sunlight?

True or false: Polyurethanes formulated with aromatic polyisocyanates tend to have very strong weathering capabilities.

True or false: Aromatic polyurethanes tend to retain gloss and color better than aliphatic polyurethanes

True or false: A clear polyurethane used to seal a coated concrete surface should exhibit maximum turbidity.

True or false: Polyurethane topcoats usually have good abrasion resistance.

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