Rubber Compounding Materials — Winter 2023

Define the terms : (i) Aniline point (ii) Compounding (iii) Pour Point

Give the importance of Rubber Processing oil and write any one in detail.

Discuss in details about the phenomena of Synergism and its importance related to rubber industry.

Write a brief note on Magnesium carbonate.

Mention the special factors consider while selecting an antioxidant system.

Discuss in detail about the Antiozonants.

Explain the auto oxidation of Hydrocarbon Polymers.

“Dinitroso Pentamethylene tetramine wildly used as a blowing agent” justify the statement.

Write about the yellow and blue pigments used in rubber industry.

Discuss in detail about the plasticizer and softeners used in rubber industry.

Justify the statement “Peptiser will ease the mastication process”.

Write the brief note on Factice.

Discuss in detail about the different types of accelerators used in rubber industry.

Give the importance of Titanium dioxide.

Write a brief note on Ester Plasticizers.

Your company receives an order of 6 Lakh piece of hollow rubber O-ring to be supplied annually to a Car manufacturing company. The weight of a Rubber O- ring is 40 gram. Calculate (i) Specific gravity of compound (ii) Cost of one O- Ring.(iii) Convert PHR to Kg and Prepare the 22kg Batch

Write about the Compounds of Aluminum.

Compare the American Process and French process of Zinc oxide.

Draw the flow diagram of manufacturing process of Silica and Explain it in detail.

Write the importance of Rhombic sulphur.

Design a low cost compound formulation for Rubber Bush.

Discuss in detail about the effects of changing particle size and structure on rubber properties.

Mentions the important uses of Sulphur.

Write about the calculation of compound cost of a recipe, Calculation of compound volume of a recipe, Calculation of compound specific gravity of a recipe

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