Polymer Technology Styrene butadiene rubber is commercially manufactured by Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation Solution polymerisation Bulk polymerisation Emulsion polymerisation Suspension polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology The main use of butadiene is As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber None of these As an anti-skimming agent in paint As a plasticiser for unsaturated polyester In the manufacture of synthetic rubber None of these 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 Elasticity Plasticity Strength Weathering characteristics Elasticity Plasticity Strength Weathering characteristics ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Condensation polymerisation of formaldehyde with __________ does not produce phenolic resin. Melamine Phenol Resorcinol Para-cresol Melamine Phenol Resorcinol Para-cresol ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymerisation of poly functional monomers produces polymers having Low melting point Low viscosity Good machanical strength None of these Low melting point Low viscosity Good machanical strength None of these ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Synthetic rubber Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature Is highly permeable to air & water and is readily attacked by chemicals & atmospheric gases Deforms, if stretched to double of its original dimension Is softer at higher temperature Is brittle at low temperature ANSWER DOWNLOAD EXAMIANS APP
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