Toluene or Chloroform should cause swelling in PDMS and I think are OK with
SU-8.

Check out this ref for more possible solvents:
Anal. Chem. 2003, 75, 6544-6554



On Wed, Nov 18, 2009 at 09:20, Emanuele Orabona <
emanuele.orabona@na.imm.cnr.it> wrote:

> Hi all,
>
> Some days ago, I used pdms with a silicon master (with SU-8
> structures) to make a microfluidic device. Unfortunately i forgot to
> silanize the silicon wafer and some small piece of PDMS stuck on it.
> I don't have another master, how can remove completely the pdms?
>
> I've already tried unsuccessfully to clean it with Acetone and
> Isopropyl alcohol.
>
> Can you help me?
> Thank you
> Emanuele