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 1 ...

Even so, some early preparations used acetaldehyde, the aldehyde that corresponds to vinyl alcohol. In a 1958 patent to Celanese (New York City), inventor Arthur W. Schnizer reported the reaction of ...