Mention the type of Silica used in compounding of Silicon rubber. Write about (03) problem and remedy associated during mixing.
[ marks]Give reaction mechanism for Peroxide vulcanization of Silicon rubber and explain (04) it.
[ marks]Describe mixing of Heat vulcanizable solid Silicon rubber in Two-roll Mixing mill (07) with schematic diagram.
[ marks]Draw the schematic representation for preparation of Silicone water-based (03) Elastomer.
[ marks]Write about Particle Coalescence and film formation for water-based Silicone (04) Elastomer.
[ marks]Describe in detail about compression molding of Solid Silicon rubber. (07)
[ marks]Draw the schematic diagram for molding sequence for Injection molding of Silicon (07) rubber.
[ marks]List the basic classification of Silicone Elastomer as per functional group. (03)
[ marks]Write about chemistry and applications of Two pack-RTV silicon rubber. (04)
[ marks]Describe in detail about various problems occurred during Silicon rubber extrusion (07) with their causes and remedies.
[ marks]What are soft spots? Why it occurs during Silicon rubber processing? (03)
[ marks]Write about One pack-RTV silicon rubber with its basic characteristics and (04) applications.
[ marks]Mention two specialized Vulcanisation System for Silicon rubber Extrusions. (07) Explain both in detail.
[ marks]Give the Nomenclature of Organo silicone Compounds. (03)
[ marks]Write the definition of silicones according to their general structural principles. (04)
[ marks]Discuss in detail about the Direct synthesis process. (07)
[ marks]Write the disadvantages of Direct synthesis process. (03)
[ marks]Draw the structural units of Polyorganosiloxanes. (04)
[ marks]Explain the in detail about the influence of catalytically active metals on silanes. (07)
[ marks]Give the general properties of silicone rubber. (03)
[ marks]Write the Syntheses by the Reaction of Hydrocarbons with Silanes. (04)
[ marks]Discuss in detail about Grignard Syntheses. (07)
[ marks]Give the different applications of silicone rubber. (03)
[ marks]Write the addition of the Si—Hbond to unsaturated hydrocarbons. (04)
[ marks]Explain the syntheses with organic compounds of the alkali metals. (07)
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