Polymer Technology Questions

• The starting material used for the manufacture of caprolactum is
• __________ is a copolymer.
• Thermocole is a spongy, porous, rigid or flexible foamed plastic, obtained by blowing gas/air through molten
• Polyesters are manufactured by the polycondensation reaction of
• Polymethyl methacrylate (PMMA) which is also known as perspex and is produced by bulk polymerisation of methyl methacrylate is not a __________ polymer.
• Softening point of high density polythene is about __________ °C.
• Collapsible tubes for tooth paste are produced by __________ extrusion.
• Rayon is a __________ fibre.
• Nylon 6, 10 which is used for bristles making is superior to nylon 6, 6 due to its lower water absorption capacity, is a/an
• The only natural thermoplastic resin, which is a product of animal life is
• Rain coats are made of
• Styrene butadiene rubber is commercially manufactured by
• Pickout the wrong statement.
• Terylene is
• Which of the following is not a condensation polymer?
• Condensation polymerisation of __________ produces bakelite.
• Commercial production of polypropylene employs __________ polymerisation.
• __________ of SBR is adversely affected, if more quantity of styrene is added to butadiene during its co-polymerisation to produce SBR.
• Acrylonitrile is mainly used in the __________ industry.
• __________ is not a condensation polymer.