Polymer Technology Questions

• Polyhexamethylene adipimide is also known as
• Which of the following natural bio polymers are formed as a result of polymerisation of amino-acids?
• Which of the following is a polymer of hexamethylene diamine and adipic acid?
• Melamine formaldehyde resin which has a very high anti tacking properties, is not used for the
• Acrilan fibres used for making cloth, carpet & blankets, which is a hard, horny & high melting polymeric material is nothing but
• Scouring is a finishing operation during the manufacture of fibre, which aims at __________ of fibres.
• The process involved in converting rubber into a thin sheet or coating it on fabric is called
• Vulcanisation of rubber does not increase its
• Cross linked polymers are
• Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is
• 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
• Nylon-66 is manufactured from
• Cation exchange resins used in water treatment is made from __________ resin.
• Melt spinning of polymers involves the forcing of polymer melt through spinnerettes (fine holes) into an atmosphere kept at a temperature lower than the melting point of the polymer, which causes the fine diameter polymer melt to harden into filaments. Melt spinning is not used in case of the __________ fibres.
• Which of the following is not a natural polymer?
• Pick out the wrong statement.
• Polyvinyl acetate is never used for making
• Density of low density polythene is about __________ gm/c.c.
• In case of wet spinning of polymers, the polymer solution is forced through spinnerates into, a coagulating bath to give a filament form. Wet spinning is not used in case of the __________ fibres.
• 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?