Polymer Technology Subcategories

Polymer Technology

Acrylonitrile-butadiene-styrene (ABS) copolymer, which is produced by blending styreneacrylonitrile copolymer with butadiene based elastomer, is a/an__________________?

A. Rigid foam
B. Engineering plastic
C. Thermosetting polymer
D. Spongy rubber

Which of the following is generally not used as eord for synthetic rubber tyre casing ?

A. Dacron
B. Nylon
C. Cellulose
D. None of these

The synthetic fibres produced from _____________ are known as rayon?

A. Lignin
B. Cellulose
C. Polyamides
D. Ethylene glycol

Nylon-6 as compared to nylon 66 has lower ?

A. Abrasion resistance
B. Thermal stability
C. Adhesion to rubber
D. Hardness

Low pressure Zeigler process of polythene manufacture____________________?

A. Employs a pressure of 30 kgf/cm2
B. Achieves an yield of 95-98% based on ethylene
C. Produces very low density polythene
D. Does not use any catalyst for polymerisation

Fillers such as zinc oxide and carbon black are added to the crude natural rubber before vulcanisation in order to improve its_________________?

A. Elasticity
B. Strength
C. Plasticity
D. Weathering characteristics

Thermal pyrolysis of ethylene dichloride produces ____________________?

A. Trichloroethylene
B. Vinyl chloride
C. Ethanol amine
D. Ethylene oxide

Polycondensation of saturated dicarboxylic acid with polyhydric alcohol produces________________?

A. Epoxy resin
B. Polyamide
C. Alkyd resin
D. Phenolic resin

Alkyd resin e.g., glyptal resin formed by Phthalic anhydride and glycerine is not used_______________?

A. For surface coating of automobiles & air crafts
B. For fibre making
C. As plasticiser for PVC & nitrocellulose
D. For film forming materials

Bakelite is a/an ______________________?

A. Addition polymer
B. Elastomer
C. Thermoplastic
D. None of these