Polymer Technology Questions

• Chain growth polymerisation is a process, in which the monomers are added in a chain fashion, and it requires an initiator to produce the free radical. An example of chain growth polymerisation products is
• The major constituent of laminate of safety glass, which holds the broken glass, pieces in their places during accident (and thus minimises the danger from flying glass fragments) is
• Styrene butadiene rubber (SBR) is never used for making
• Which of the following is generally not drawn into fibre?
• Polycondensation reaction of polymerisation
• In step growth polymerisation, condensation occurs in a stepwise manner with or without the elimination of smaller molecules. An example of step growth polymerisation product is
• __________ is normally used for the manufacture of refrigerator components and transistor parts.
• In nylon-6, the number 6 represents the total number of
• Which of the following has the weakest intermolecular forces?
• Size range of polymer molecules varies from __________ metre.
• Gutta parcha rubber is
• Thermosetting resins/polymers as compared to thermoplastic ones are
• In step growth polymerisation, generally only one type of reaction & some basic mechanism is involved. Step growth polymerisation reaction is not involved in the manufacture of
• Cellulose content in bomboo fibre is about __________ percent.
• In condensation polymerisation as compared to addition polymerisation
• Poly tetra flouro ethylene (PTFE) is known as
• The generic chemical name for the class of polymers which are commerically known as nylons is
• Thermosplastic materials
• Properties of a polymer is affected by the
• Vulcanisation of rubber does not increase its