A. Lower melting point
B. More abrasion resistant properties
C. Higher hardness
D. All A., B. and C.
Related Mcqs:
- Nylon-6 as compared to nylon-66 is_________________?
A. Harder
B. More abrasion resistant
C. Having higher melting point
D. None of these - Nylon-6 as compared to nylon 66 has lower ?
A. Abrasion resistance
B. Thermal stability
C. Adhesion to rubber
D. Hardness - Dacron (or Treylene) fibres as compared to nylon fibres have_____________________?
A. Better heat & acid resistant properties
B. Poorer resistance to alkalis
C. Poorer dyeability
D. All A., B. and C. - The organic acid monomer in nylon-66 is __________________?
A. Sebacic acid
B. Terephthalic acid
C. Adipic acid
D. Benzoic acid - Nylon-66 is a polyamide of __________________?
A. Hexamethylene diamine and adipic acid
B. Adipic acid and methyl amine
C. Vinyl chloride and formaldehyde
D. None of these - Nylon-6 is manufactured from _______________?
A. Caprolactam
B. Adipic acid and Hexamethylenediamine
C. Maleic anhydride and Hexamethylenediamine
D. Sebacic acid and Hexamethylenediamine - 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 - Nylon-66 is manufactured from ____________________?
A. Adipic acid and Hexamethylene diamine
B. Caprolactam
C. Maleic anhydride and Hexamethylene diamine
D. Dimethyl terephthalate (DMT) and ethylene glycol - Nylon-6 is a_________________?
A. Polyamide
B. Thermosetting resin
C. Polyester
D. None of these - Polycaprolactam (Nylon – 6) is produced by the condensation polymerisation of caprolactam at 240-280°C in which the conversion of caprolactam is about ______________ percent?
A. 50
B. 75
C. 90
D. 99
