22 ppm corresponds to the methine group
connecting with the ester bond (26), (27).
The methine group
is represented by V3 (HV) and B3 (HB) at 67-77 ppm.
Occasionally conversion was also calculated by 1H NMR from the relative intensity of the methine group
of the monomer and the polymer ([Delta][CH.
On the other hand, the presence of apolar methylene and methine groups
in the backbone and the ring conferring hydrophobic properties cause the opposite effect over the release process.
Nippon Paint Company has been granted a patent for a coating film forming method comprised of step one of applying a curable coating on a substrate to be coated and step two including a stage of heating ahead of a stage of irradiating with ultraviolet ray, the curable coating comprising the curable coating comprised of a component having two or more active methylene and/or active methine groups
, a component having two or more methacrylate and/or acrylate groups per one molecule, a Michael reaction catalyst and a photo-polymerizaton initiator.
In addition to the methylene, we now have methyl and methine groups