Polymer Technology Questions

• The major component of acrylic fibres is
• Tyres are made by
• Paper like thin plastic articles can be produced by
• Non sulphonated hard bakelites are not used for making
• Thermal pyrolysis of ethylene dichloride produces
• Identify the group in which all the polymers mentioned can be used to make fibres.
• Thermosetting polymers as compared to thermoplastic polymers
• __________ polymer is used for making unbreakable crockery.
• Molecular weights of plastics ranges from
• A copolymer of vinyl and vinylidine chloride is called
• In case of dry spinning of polymers, the polymer solution in a volatile solvent is forced through the spinnerates into a warm air chamber, where the solvent evaporates leaving behind the polymer in the filament form. Dry spinning is used for __________ fibres.
• Benzoyl chloride is not used as a catalyst in the manufacture of
• Polythene is a/an
• Teflon is
• Polycaprolactum is also known as
• The monomer of natural rubber is
• Phthalic anhydride is used
• Vulcanisation of rubber
• __________ is produced by polymerisation of chloroprene.
• Molecular weight of a polymer is equal to the molecular weight of the repeat unit multiplied by the degree of polymerisation. What is the molecular weight of poly vinyl chloride (PVC), if its degree of polymerisation is 800?