Rubber Compounding Materials — Summer 2022

Give the classification of Accelerator.

What do you mean by Synergism? Write the important points for the synergism.

Discuss the “Recurring themes” with suitable example.

What is the difference between Golden factice and Brown factice?

Explain the Autoxidation of Hydrocarbon Polymers.

Discuss the Phenolic Antioxidants in detail.

Explain the chain Breaking reaction of antioxidants.

Give the difference between China clay and Treated clay.

Write the importance of Zinc Oxide in rubber industry.

Short note on “Peroxide”.

“Wax is preferable or not” justify the statement.

Give the difference between Hydrated and Pyrogenic Silica.

Discuss the compounds of Calcium carbonate.

Write the importance of Processing oil use in rubber industry.

List out the different types of rubber Additives.

Your company receives an order of 5 Lakh piece of hollow rubber O-ring to be supplied annually to a Car manufacturing company. The weight of a Rubber O- ring is 60 gram. Calculate (i) Specific gravity of compound (ii) Cost of one O- Ring.

List out the different inorganic pigments used in rubber industry.

Write a Brief note on Peptizer.

“Textiles are used as Reinforcing Agents.” Justify the statement.

What is the difference between Mixing and Art of compounding?

Give the classification of Blowing agent and explain any one.

Explain the different Grades of carbon black with its Properties and application.

List out the different grades of Silica and give its importance.

Write a brief note on Azo di carbamid .

Explain the “Channel black process “with flow diagram in detail.