Sulfonamido substituted acetal polymers and use thereof in...

C - Chemistry – Metallurgy – 08 – F

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C08F 16/06 (2006.01) C08F 8/28 (2006.01) C08F 8/34 (2006.01) G03F 7/021 (2006.01) G03F 7/033 (2006.01)

Patent

CA 2180580

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 formula Image (A), B is present in an amount of 20 to 35 wt.% and is of the formula Image (B), C is present in an amount of 20 to 50 wt.% and is of the formula Image (C), wherein R1 is methyl, ethyl, propyl or isopropyl, and D is present in an amount of 25 to 70 wt.% and is of the formula Image (D), wherein n is an integer of from 1 to 3 and R2, R3 are hydrogen or methyl and R4 is alkyl, aralkyl or aryl.

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