Polymer Technology Questions

• Synthetic rubber
• Bakelite is
• Unbreakable crockeries are made from __________ polymers.
• Condensation polymerisation of caprolac-tum is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6.
• In a co-polymer, the repeating units contain two different monomers. Which of the following is a copolymer?
• Silicone resins, which are highly water repellant and has good heat resistance can not be used
• Nylon-66 compared to nylon-6 has
• Which of the following is not the commercial name of polymethylmethacrylate (PMMA)?
• Which of the following is a copolymer?
• Which of the following rubbers has the widest service temperature range (-75 to 275°C)?
• Elastomers are
• All thermoplastic, thermosetting & elastic materials can be processed in a extrusion machine, however it can not be used for the production of plastic
• Epoxy resins (i.e., epoxide polymers)
• Which of the following polymers does not belong to the class of polyacrylate polymer?
• Catalyst used in the production of high density polythene by low pressure Ziegler process is
• Which of the following additives are added to plastics to make it impervious to X-rays?
• Epoxy resin is a polymer containing two or more groups called epoxide group or ethoxyline group. It is a
• Polyvinyl alcohol is used as a
• Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its
• Polymerisation product of C2F4 (carbon tetraflouride) is called P.T.F.E. (poly chloro tetra flouro ethylene). It is also called