Digital BW, The Print

Bob-

Now you have me wondering.  

Her is a polymer resin.  Why not add an UV inhibitor and make it really
work?

Also (and separately), WHY is this polymer, once hardened, so susceptible to
the air?  Seems like the problem is in the mix.

Seth


==-----Original Message-----
==From: Bob Frost [mailto:bob@...] 
==
==According to Epson, the encapsulation of their pigments in a 
==coating of a resin polymer is designed to prevent the 
==pigments aggregating and settling out of suspension. If the 
==polymer were to have hydrophilic groups on its surface (I 
==don't know that it does), it could even be effectively 
=='solubilising' the pigments.
==