Polymer Technology Polyvinyl chloride (PVC) 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 Softening temperature is 200°C Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Temperature maintained in the emulsion polymerisation reactor for PVC manufacture is about __________ ° C. 500 50 -20 250 500 50 -20 250 ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Lavatory cisterns are normally made of Perspex PVC Expanded polystyrene Saturated polyester Perspex PVC Expanded polystyrene Saturated polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Cation exchange resins (0.3 to 1 mm size) used in water treatment is prepared from __________ resins. Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde Phenol formaldehyde Epoxy Urea formaldehyde Melamine formaldehyde ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polyurathane can not be used for making Mattresses & foam Bottles Coating material Adhesives Mattresses & foam Bottles Coating material Adhesives ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer. Thermosetting Glass like transparent Thermoplastic Linear Thermosetting Glass like transparent Thermoplastic Linear ANSWER DOWNLOAD EXAMIANS APP
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