Polymer Technology Condensation of bisphenol A with phosgene produces __________ which possess very good heat resistance. Polycarbonate Polyurathane Polyester Polysulphone Polycarbonate Polyurathane Polyester Polysulphone ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Addition polymerisation is not involved in the manufacture of Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride Low density polythene Polystyrene Polyhexamethylene adipamide Poly vinyl chloride ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyvinyl chloride (PVC) Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C Is produced by polycondensation reaction Can be made thermosetting by adding a plasticiser Uses either emulsion or suspension polymerisation methods Softening temperature is 200°C ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR. Freezing point Strength Resilience Percent elongation Freezing point Strength Resilience Percent elongation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Thermosetting polymers as compared to thermoplastic polymers Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation Have three dimensional structure None of these Have linear structure Are formed by addition polymerisation ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Valcunisation of rubber decreases its Tackiness Working temperature range Tensile strength Resistance to organic solvents Tackiness Working temperature range Tensile strength Resistance to organic solvents ANSWER DOWNLOAD EXAMIANS APP