The following table represents DB statistics according to a polymer classification given by the authors:
| Class Index |
Description |
Number of
Entries |
| 1 |
Organic polymers |
|
| 1.1 |
Carbon main chain |
|
| 1.1.1 |
Saturated chains |
21 |
| 1.1.2 |
Unsaturated chains |
39 |
| 1.1.3 |
Halide substitutions |
32 |
| 1.1.4 |
Alcohol group in side chains and derivatives |
6 |
| 1.1.5 |
Acid group in side chains and derivatives |
21 |
| 1.1.6 |
Aldehyde and ketone groups |
5 |
| 1.1.7 |
N, P and S atoms in side chains |
32 |
| 1.1.8 |
Benzene and derivatives in side chains |
20 |
| 1.2 |
Heteroatom in main chain |
|
| 1.2.1 |
O in main chain |
|
| 1.2.1.1 |
Ethers |
31 |
| 1.2.1.2 |
Esters, polycarbonates |
32 |
| 1.2.2 |
N in main chain |
|
| 1.2.2.1 |
Polyamides |
26 |
| 1.2.2.2 |
Polyurethanes |
19 |
| 1.2.2.3 |
Polyimides |
29 |
| 1.2.2.4 |
Others |
21 |
| 1.2.3 |
P in main chain |
8 |
| 1.2.4 |
S in main chain |
20 |
| 1.2.5 |
C&O cycles in main chain |
28 |
| 1.3 |
Copolymers |
|
| 1.3.1 |
Carbon main chains |
26 |
| 1.3.2 |
One heteroatom in main chain |
10 |
| 1.3.3 |
Two heteroatoms in main chain |
8 |
| 1.4 |
Resins and mixtures |
|
| 1.4.1 |
Based on natural |
11 |
| 1.4.2 |
Synthetic products |
38 |
| 2 |
Organo-element polymers |
|
| 2.1 |
Si-containing polymers |
17 |
| 2.1 |
B-containing polymers |
10 |
| 3 |
Inorganic polymers |
4 |
| 4 |
Related compounds |
|
| 4.1 |
Plasticizers, emulsifiers... |
13 |
| 4.2 |
Organic pigments |
15 |
| 4.3 |
Inorganic pigments, extenders... |
15 |
| 4.4 |
Monomers, models of units... |
41 |
