| abstract |
Described are molded bodies and their use, preferably molded bodies made of a polyester that contains oxide particles that have been subjected to surface modification with a silanizing agent of formula (I): [R1R2R3]Si-(CH¿2?)I-X-R?4¿, wherein R1 stands for Cl or alkoxy with 1-6 C atoms, R2, R3 alkyl with 1-6 C atoms or the meaning of R1, I the numbers 1-6, X a single bond, O, NH, CONH, NHCONH, R4 (a), with Y = CH or (b), Z = OR or two Z residues together with -O-, (c) and m, n the numbers 0-6 or (d), where X is a single bond, with R, R', R'' = H or alkyl with 1-6 C atoms. |