Polymer Technology Epoxy resins (i.e., epoxide polymers) Are cross-linked polymers only Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods Are cross-linked polymers only Are made by addition polymerisation reaction only Contain an epoxy group ( ##### ) at the ends of the polymer Use emulsion polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at 3:1 1:2 2:1 1:3 3:1 1:2 2:1 1:3 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vinyl flooring is done using __________ sheets. Polypropylene Polythene PVC Polyvinyl acetate Polypropylene Polythene PVC Polyvinyl acetate ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ is not a polyester fibre. Dacron Terylene Polyacrylonitrite Nylon Dacron Terylene Polyacrylonitrite Nylon 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 Tensile strength Flexibility All of these Chemical resistance Tensile strength Flexibility All of these Chemical resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition of stabiliser during PVC manufacture is done to Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength Reduce the melt viscosity & glass transition temperature Improve its elasticity Prevent its thermal degradation Improve its impact strength ANSWER DOWNLOAD EXAMIANS APP
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