| abstract |
The present invention relates to binders and photosensitive compositions comprising said binders. The binder comprises units A, B, C and D, wherein A is present in an amount of 0.5 to 15 wt.% and is of the formulan B is present in an amount of 20 to 35 wt.% and is of the formulan C is present in an amount of 20 to 50 wt.% and is of the formulan wherein R 1 is methyl, ethyl, propyl or isopropyl, and D is present in an amount of 25 to 70 wt.% and is of the formulan wherein nn is an integer of from 1 to 3 and nR 2 , R 3 are hydrogen or methyl and nR 4 is alkyl, aralkyl or aryl. |