Polycondensation reaction of polymerisation ___________________?

Byadmin March 7, 2019August 25, 2021

Polycondensation reaction of polymerisation ___________________?

A. Does not produce linear polymers
B. Produces only thermoplastic material
C. Produces epoxy polymers
D. Does not need any catalyst

Polymer Technology

Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?

Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?

A. -20 to 25
B. 50 to 75
C. 100 to 150
D. 250-280

Read More Condensation polymerisation of caprolactam is carried out in the reactor maintained at a temperature of __________ °C for producing nylon-6?
Polymer Technology

Plasticisers are added to synthetic plastics to ________________?

Plasticisers are added to synthetic plastics to ________________?

A. Impart flexibility
B. Improve workability during fabrication
C. Develop new improved properties not present in the original resin
D. All A., B. and C.

Read More Plasticisers are added to synthetic plastics to ________________?
Polymer Technology

The monomer of poly vinyl chloride (PVC) is__________________?

The monomer of poly vinyl chloride (PVC) is__________________?

A. Chloroethane
B. Ethylene dichloride
C. Ethyl chloride
D. Chloroform

Read More The monomer of poly vinyl chloride (PVC) is__________________?
Polymer Technology

Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?

Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?

A. Polyamide
B. Polystyrene
C. Polyester
D. Polyacrylonitrile

Read More Glyptal used in the manufacture of paints & lacquers is a _____________ polymer?
Polymer Technology

SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?

SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?

A. 1: 3
B. 3 : 1
C. 1 : 2
D. 2 : 1

Read More SBR is produced by the copolymerisation of butadiene & styrene by employing emulsion polymerisation. The weight ratio of styrene and butadiene is maintained at_________________?
Polymer Technology

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?

Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?

A. Polyamide & an elastomer
B. Good adhesive
C. Surface coating agent
D. Both B. and C.

Read More Epoxy resin is a polymer containing two or more groups of the bellow fig. is called epoxide group or ethoxyline group. It is a _______________?

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