Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere Increase its viscosity Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Protect rubber goods from attack by oxygen & ozone present in the atmosphere ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Styrene butadiene rubber is commercially manufactured by Solution polymerisation Suspension polymerisation Emulsion polymerisation Bulk polymerisation Solution polymerisation Suspension polymerisation Emulsion polymerisation Bulk polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is Nylon-66 Bakelite Teflon Polyester Nylon-66 Bakelite Teflon Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins used in water treatment is made from __________ resin. Amino Urea formaldehyde Epoxy Phenolic Amino Urea formaldehyde Epoxy Phenolic ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The generic chemical name for the class of polymers which are commerically known as nylons is Polyurathane Polyacrylate Polyamide Polyolefins Polyurathane Polyacrylate Polyamide Polyolefins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Unbreakable crockeries are made from __________ polymers. Polystyrene Polystyrene Melamine Polyurathane Polystyrene Polystyrene Melamine Polyurathane ANSWER DOWNLOAD EXAMIANS APP
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