Polymer Technology Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing Reduce the time of vulcanisation and quantity of vulcanising agent Increase its viscosity Protect rubber goods from attack by oxygen & ozone present in the atmosphere Reduce its viscosity to permit easier processing ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Benzoyl chloride is not used as a catalyst in the manufacture of Polyvinyl acetate Polystyrene Polypropylene Polyvinyl chloride-co-vinylacetate Polyvinyl acetate Polystyrene Polypropylene Polyvinyl chloride-co-vinylacetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Buna-S is also called Teflon Bakelite Polyurathane SBR Teflon Bakelite Polyurathane SBR ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The synthetic fibres produced from __________ are known as rayon. Lignin Polyamides Ethylene glycol Cellulose Lignin Polyamides Ethylene glycol Cellulose ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its Flexibility Chemical resistance All of these Tensile strength Flexibility Chemical resistance All of these Tensile strength ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The major component of acrylic fibres is Polyesters Polyamides Polyacrylonitrile Polyolefins Polyesters Polyamides Polyacrylonitrile Polyolefins ANSWER DOWNLOAD EXAMIANS APP