Polymer Technology Polyvinyl chloride (PVC) Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods Can be made thermosetting by adding a plasticiser Softening temperature is 200°C Is produced by polycondensation reaction Uses either emulsion or suspension polymerisation methods ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Alkyd resin is a/an Polyamide Addition polymer Polyolefin Polyester Polyamide Addition polymer Polyolefin Polyester ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Flexible foam (for mattresses) are usually made of PVC Polyurethanes Silicone rubber Polyamides PVC Polyurethanes Silicone rubber Polyamides ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Plexiglass (also called lucite) because of its high optical transparency is used for making lenses. It is chemically Polymethyl methacrylate (PMMA) Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins Polymethyl methacrylate (PMMA) Polycarbonates Polytetraflouroethylene(PTFE) Phenolic resins ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Elastomers are Exemplified by protein derivatives Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material Exemplified by protein derivatives Having high flexural strength Having very high tensile strength and heat resistance Thermosetting material ANSWER DOWNLOAD EXAMIANS APP
Polymer Technology Which of the following types of polymers has the strongest inter particle forces? Fibres Thermoplastics Elastomers Thermosetting polymers Fibres Thermoplastics Elastomers Thermosetting polymers ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS