Polymer Technology Polyvinyl chloride (PVC) Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Is produced by polycondensation reaction ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ polymer is produced by the copolymerisation of vinyl chloride-vinyl acetate. Leathery Fibrous Hard Rubbery Leathery Fibrous Hard Rubbery ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Bakelite is a/an None of these Thermoplastic Addition polymer Elastomer None of these Thermoplastic Addition polymer Elastomer ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Vulcanisation of rubber does not increase its Softness Elasticity & water solubility Weight & strength Oxidation resistance Softness Elasticity & water solubility Weight & strength Oxidation resistance ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following low molecular weight ( Cellulose acetate Polyvinyl acetate PVC Thiokol Cellulose acetate Polyvinyl acetate PVC Thiokol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its Weathering characteristics Plasticity Elasticity Strength Weathering characteristics Plasticity Elasticity Strength ANSWER DOWNLOAD EXAMIANS APP
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