Review Article
Cement Types, Composition, Uses and Advantages of Nanocement, Environmental Impact on Cement Production, and Possible Solutions
Figure 2
Chemical structures of (a) 5,5,6,6-tetrahydroxy-3,3,3,3-tetramethylspiro-bisindane, (b) tetrafluorophthalonitrile, and (c) polycondensate polymer PIM-1 [49].
(a) |
(b) |
(c) |