Polyhexamethylene adipamide is also known as______________?

Related Mcqs:

Orlan fibre which is used as a wool substitute is __________________?

A. An amorphous polymer B. A natural polymeric fibre C. Polyacrylonitrile D. Poly-methyl-methacrylate (PMMA)...

Thermoplastic resins usually____________________?

A. Remain hard as long as they are hot B. Cannot be reclaimed from waste C. Permanent setting resins D. Less brittle than thermosetting resins...

Neoprene is rendered non-inflammable, because of_____________________?

A. Its cross-linked structure B. Its linear chain structure C. The presence of chlorine atoms in its monomer D. The absence of chlorine atoms in its monomer...

Peptizers like aromatic mercaptans (e.g. thiophenes) are added in rubber to _________________?

A. Protect rubber goods from attack by oxygen & ozone present in the atmosphere B. Reduce its viscosity to permit easier processing C. Reduce the time of vulcanisation and quantity of vulcanising agent D. Increase its viscosity...

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 ___________________?

A. Densities B. Melting point C. Tensile strength D. Hardness, rigidity & brittleness...