Latex Science and Technology Quiz

What is the process by which concentrated natural rubber latex is blended with various chemicals to get the desired properties?

• Vulcanization

• Compounding

• Emulsification

• Stabilization

What are stabilizers added to latex for?

• Increase flexibility

• Add color

• Increase electrostatic stability

• Increase hardness

Which is the main vulcanizing agent used in the natural rubber industry?

• Magnesium

• Potassium

• Sulfur

• Zinc oxide

What do accelerators do in the latex industry?

• Increase hardness

• Increase rate of vulcanization

• Prevent oxidation

• Add color

Which compound is commonly used as an antioxidant in the latex industry?

• Fillers

• Surfactants

• Phenolic type

• Amine type

What are fillers added to latex for?

• Prevent oxidation

• Make it less expensive

• Increase flexibility

• Add color

What is the purpose of pigments in latex?

• Increase flexibility

• Prevent oxidation

• Add color

• Increase hardness

What is the role of surfactants in latex processing?

• Add color

• Prevent oxidation

• Reduce surface tension

• Increase hardness

How are water-insoluble solid compounding ingredients dispersed in latex?

• By adding more latex

• By adding more water

• By using a colloid mill

• By heating the mixture

What is the purpose of emulsions in the latex industry?

• Add color

• Stabilize immiscible liquids

• Increase hardness

• Prevent oxidation