Q. Polyhexamethylene adipimide is also known as

View solution

Q. __________ is normally used for the manufacture of refrigerator components and transistor parts.

View solution

Q. Plasticisers are high boiling liquids added to plastic polymers to impart toughness and flexibility at ordinary temperature. Which of the following is not a plasticiser ?

View solution

Q. Bakelite is

View solution

Q. Poly tetra flouro ethylene (PTFE) is known as

View solution

Q. Thermosetting resins/polymers as compared to thermoplastic ones are

View solution

Q. The generic chemical name for the class of polymers which are commerically known as nylons is

View solution

Q. Polycondensation reaction of polymerisation

View solution

Q. Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but

View solution

Q. Which of the following is a polymer of hexamethylene diamine and adipic acid ?

View solution

Q. 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

View solution

Q. The process involved in converting rubber into a thin sheet or coating it on fabric is called

View solution

Q. Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids ?

View solution

Q. Nylon-66 is manufactured from

View solution

Q. In a linear polymer, the monomeric units are linked together to form long straight chains. The cross linked or branched chain polymers compared to linear polymers have higher

View solution

Q. Vulcanisation of rubber does not increase its

View solution

Q. Which of the following is a copolymer ?

View solution

Q. Styrene butadiene rubber (SBR) is never used for making

View solution

Q. Cross linked polymers are

View solution

Q. Thermosetting polymers as compared to thermoplastic polymers

View solution