Explanation
In addition to carbon atoms, there are also oxygen, nitrogen, sulfur, silicon and other heteroatoms in the main chain of macromolecule, such as polyether, polyester, polyamide, polyphenylene sulfide, etc. These polymer all contain characteristic functional groups, such as ether bond, ester bond, amide bond, sulfide bond, etc.
Classification
Organic polymer materials -> Polymer Science -> Polymer Fundamentals