Write about the microstructure of Isoprene Rubber produced by Ziegler Natta Catalyst (07) system. Discuss about its production also.
[ marks]What do you mean by Carboxylated rubbers? Write its advantages. (03)
[ marks]Give abbreviation and chemical name for Thiokol. Mention its basic grades and give (04) differences between them.
[ marks]Name the polymerization technique used for large scale production of Acrylonitrile (07) Butadiene Rubber. Explain it with flow diagram.
[ marks]Why an optimum Chlorine content is important for Hypalon? Give reason. (03)
[ marks]List various types of Fluorocarbon Elastomers. Mention their fundamental properties and (04) applications also.
[ marks]“The Acrylonitrile (ACN) content is an important parameter for Acrylonitrile Butadiene (07) Rubber properties.” Justify the statement.
[ marks]List the basic vulcanization system for Butyl rubber. Explain about any one. (04)
[ marks]Give the polymerization temperature value for production of Butyl rubber. Write its (03) significance also.
[ marks]Discuss about the batch process for manufacturing of Styrene Butadiene Rubber with flow (07) diagram.
[ marks]Why Butyl rubber has an excellent Air impermeability property? Give reason. (03)
[ marks]Write about the advantages of Halogenated Butyl rubber over Conventional Butyl rubber. (04)
[ marks]Give synthesis reaction for Styrene Butadiene Rubber. Discuss about the basic grades of (07) Emulsion polymerized Styrene Butadiene Rubber.
[ marks]What do you mean by Sulfur modified Chloroprene Rubber? Write in brief. (03)
[ marks]Write about the importance of Magnesium Oxide (MgO) for vulcanization of (04) Polychloroprene rubber with necessary reaction mechanism.
[ marks]List the process for production of Ethylene Propylene Diene Methylene Rubber (EPDM). (07) Explain about any one in detail.
[ marks]What do you mean by W-type Chloroprene rubber? Write its basic characteristics. (03)
[ marks]How Polymerization temperature affect on Crystallinity of Chloroprene rubber? Explain (04) with suitable graphical representation.
[ marks]Discuss about the basic characteristics of Third monomer for Ethylene Propylene Diene (07) Methylene Rubber (EPDM). Name available third monomers for EPDM synthesis with their structures. …..P.T.O…..
[ marks]Why Crepe hardening occurs in Silicone rubber? Write about remedies also. (03)
[ marks]Give necessary reaction mechanisms for synthesis of Silicone rubber. (04)
[ marks]Name the polymerization technique for High Cis-1, 4 Polybutadiene Rubber. Explain it (07) with flow diagram. OR1
[ marks]How Silicone rubber is unique among all synthetic rubbers? Justify your answer in terms (03) of molecular structure.
[ marks]Show the Peroxide vulcanization mechanism of Silicone rubber. (04)
[ marks]Discuss about Properties and applications of Polybutadiene Rubber in detail. (07)
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