Hello Everyone,
I am trying to make photopatternable PDMS. I am using methacrylate
terminated PDMS and mixing it with Xylenes and DMAP (DMAP is the
photoinitiator, Xylenes is a thinner). This solution was reported in
several papers. However, it is polymerizing far too quickly and the DMAP
is not dissolving. Furthermore, on exposure and development, no actual
pattern is observed. Are we missing a step in this procedure? The amounts
of each chemical to use were not reported in the papers.

Please suggest any missing steps to the above procedure or any alternate
procedures to achieve a photo patternable PDMS.

Thanks,
Tushar