The synthesis and photo-polymerization of hyperbranched polyesters (HBPEs) containing terminal methacryloyl groups (HBPE-MA) were examined. Polycondensations of 1,4-bis (chloromethyl)benzene with ...

Benzenesulfonic acid is the simplest aromatic sulfonic acid. It is highly water-soluble and a strong acid with a p Ka of –2.8. It has been known since at least the 1880s; its synthesis, which goes ...