Related Questions

Synthetic polymer produced by using terephthalic acid and ethylene glycol is
A Terylene
B Nylon-66
C PVC
D Polyesterene
Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces
A Nylon-6
B Dacron
C Polyester
D PVC
Reaction of ethylene glycol and dimethyl terephthalate (DMT) produces
A Nylon-6
B Dacron
C Polyester
D PVC
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.
A Acrylic
B Polyester
C Nylon 6:6
D Polypropylene
Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene?
A AgO
B Al2O3
C ZnCl2
D FE2O3
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at
A 1 atm & 100°C
B 5 atm & 275°C
C 100 atm & 500°C
D 50 atm & 1000°C
The polymer obtained by the condensation of hexamethylene diamine and adipic acid is :
A Nylon 66
B Terylene
C Tollen's
D Bakelite
Dacron (or terylene) fibres as compared to nylon fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
Dacron (or terylene) fibres as compared to nylon's fibres have
A Better heat & acid resistant properties
B Poorer resistance to alkalis
C Poorer dyeability
D All of the above
The material known in commerce as Terylene is a
A Synthetic fibre
B Natural fibre
C Modified natural fibre
D Blend of cotton and silk

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