To which class of polymers does orlon belong?

What for the following abbreviations stand;
(i) PVC
(ii) PTFE
(iii) PMMA.

What kind of polymerization is shown by the following:
(a)    CH₂ = CH = CH₃

(b)    C₆H₅OH and NH₂CONH₂

Which polymer is used for making a non-stick coating on pans?

Write the monomers of melamine polymer.

Write the starting materials for the synthesis of nylon-66?

What is the monomeric unit of teflon?

Describe the formation of melamine formaldehyde ?

What is viscose rayon?