| abstract |
Homopolymers and copolymers with an average molecular weight of at least 2000, which contains at least 5 mol%, based on the polymer, of at least one structural element of the formulas (I) or (II), R, R ', R 1 , R 2 , R 3 , a, b, c, d and q have the meaning given in claim 1.n n n The polymers are sensitive to radiation and can be used to make protective coatings or photographic relief images. |