Curioustab

Home » Chemical Engineering » Polymer Technology

Typical solvent polymerisation reaction conditions for the production of high density polythene by Zeigler process is

7 kgf/cm2 and 70 °C.
1000 kgf/cm2 and 100°C.
7 kgf/cm2 and 700°C.
1 kgf/cm2 (gage) and 70°C.

Correct Answer: 7 kgf/cm2 and 70 °C.

← Previous Question Next Question→

More Questions from Polymer Technology

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?

Discussion & Comments

No comments yet. Be the first to comment!

Join Discussion