Vinylether-based polymer as dielectric

Polymers comprising units of formula (1)

• wherein
• X1 and X2 are independently O or S,
• L1 is a linking group, and
• R1, R2, R3, R4 and R5 are independently selected from the group consisting of H, C1-30-alkyl, C1-30-alkyl substituted with one or more substituents Ra, O—C1-30-alkyl, O—C1-30-alkyl substituted with one or more substituents Ra, C(O)—C1-30-alkyl, C(O)—C1-30-alkyl substituted with one or more substituents Ra, C5-7-cycloalkyl, C5-7-cycloalkyl substituted with one or more substituents Rb, O—C5-7-cycloalkyl, O—C5-7-cycloalkyl substituted with one or more substituents Rb, C(O)—C5-7-cycloalkyl, C(O)—C5-7-cycloalkyl substituted with one or more substituents Rb, C6-14-aryl, C6-14-aryl substituted with one or more substituents Rb, O—C6-14-aryl, O—C6-14-aryl substituted with one or more substituents Rb, C(O)—C6-14-aryl, C(O)—C6-14-aryl substituted with one or more substituents Rb, 5 to 14 membered heteroaryl and 5 to 14 membered heteroaryl substituted with one or more substituents Rb,
• or
• R1 and R2 together with the C-atoms to which they are attached form a 5 to 6 membered ring or a 5 to 6 membered ring substituted with one or more substituents Rc, and
• R3, R4 and R5 are independently selected from the group consisting of H, C1-30-alkyl, C1-30-alkyl substituted with one or more substituents Ra, O—C1-30-alkyl, O—C1-30-alkyl substituted with one or more substituents Ra, C(O)—C1-30-alkyl, C(O)—C1-30-alkyl substituted with one or more substituents Ra, C5-7-cycloalkyl, C5-7-cycloalkyl substituted with one or more substituents Rb, O—C5-7-cycloalkyl, O—C5-7-cycloalkyl substituted with one or more substituents Rb, C(O)—C5-7-cycloalkyl, C(O)—C5-7-cycloalkyl substituted with one or more substituents Rb, C6-14-aryl, C6-14-aryl substituted with one or more substituents Rb, O—C6-14-aryl, O—C6-14-aryl substituted with one or more substituents Rb, C(O)—C6-14-aryl, C(O)—C6-14-aryl substituted with one or more substituents Rb, 5 to 14 membered heteroaryl and 5 to 14 membered heteroaryl substituted with one or more substituents Rb,
• or
• R2 and R3 together with the C-atoms to which they are attached form a 5 to 6 membered ring or a 5 to 6 membered ring substituted with one or more substituents Rc, and
• R1, R4 and R5 are independently selected from the group consisting of H, C1-30-alkyl, C1-30-alkyl substituted with one or more substituents Ra, O—C1-30-alkyl, O—C1-30-alkyl substituted with one or more substituents Ra, C(O)—C1-30-alkyl, C(O)—C1-30-alkyl substituted with one or more substituents Ra, C5-7-cycloalkyl, C5-7-cycloalkyl substituted with one or more substituents Rb, O—C5-7-cycloalkyl, O—C5-7-cycloalkyl substituted with one or more substituents Rb, C(O)—C5-7-cycloalkyl, C(O)—C5-7-cycloalkyl substituted with one or more substituents Rb, C6-14-aryl, C6-14-aryl substituted with one or more substituents Rb, O—C6-14-aryl, O—C6-14-aryl substituted with one or more substituents Rb, C(O)—C6-14-aryl, C(O)—C6-14-aryl substituted with one or more substituents Rb, 5 to 14 membered heteroaryl and 5 to 14 membered heteroaryl substituted with one or more substituents Rb,
• or
• R3 and R4 together with the C-atoms to which they are attached form a 5 to 6 membered ring or a 5 to 6 membered ring substituted with one or more substituents Rc, and
• R1, R2 and R5 are independently selected from the group consisting of H, C1-30-alkyl, C1-30-alkyl substituted with one or more substituents Ra, O—C1-30-alkyl, O—C1-30-alkyl substituted with one or more substituents Ra, C(O)—C1-30-alkyl, C(O)—C1-30-alkyl substituted with one or more substituents Ra, C5-7-cycloalkyl, C5-7-cycloalkyl substituted with one or more substituents Rb, O—C5-7-cycloalkyl, O—C5-7-cycloalkyl substituted with one or more substituents Rb, C(O)—C5-7-cycloalkyl, C(O)—C5-7-cycloalkyl substituted with one or more substituents Rb, C6-14-aryl, C6-14-aryl substituted with one or more substituents Rb, O—C6-14-aryl, O—C6-14-aryl substituted with one or more substituents Rb, C(O)—C6-14-aryl, C(O)—C6-14-aryl substituted with one or more substituents Rb, 5 to 14 membered heteroaryl and 5 to 14 membered heteroaryl substituted with one or more substituents Rb,
• or
• R4 and R5 together with the C-atoms to which they are attached form a 5 to 6 membered ring or a 5 to 6 membered ring substituted with one or more substituents Rc, and
• R1, R2 and R3 are independently selected from the group consisting of H, C1-30-alkyl, C1-30-alkyl substituted with one or more substituents Ra, O—C1-30-alkyl, O—C1-30-alkyl substituted with one or more substituents Ra, C(O)—C1-30-alkyl, C(O)—C1-30-alkyl substituted with one or more substituents Ra, C5-7-cycloalkyl, C5-7-cycloalkyl substituted with one or more substituents Rb, O—C5-7-cycloalkyl, O—C5-7-cycloalkyl substituted with one or more substituents Rb, C(O)—C5-7-cycloalkyl, C(O)—C5-7-cycloalkyl substituted with one or more substituents Rb, C6-14-aryl, C6-14-aryl substituted with one or more substituents Rb, O—C6-14-aryl, O—C6-14-aryl substituted with one or more substituents Rb, C(O)—C6-14-aryl, C(O)—C6-14-aryl substituted with one or more substituents Rb, 5 to 14 membered heteroaryl and 5 to 14 membered heteroaryl substituted with one or more substituents Rb,
• wherein
• Ra is at each occurrence selected from the group consisting of O—C1-20-alkyl, C(O)—C1-20-alkyl, C5-6-cycloalkyl, O—C5-6-cycloalkyl, C(O)—C5-6-cycloalkyl, phenyl, O-phenyl, C(O)-phenyl and 5 to 9 membered heteroaryl, and
• Rb and Rc are independently and at each occurrence selected from the group consisting of C1-20-alkyl, O—C1-20-alkyl, C(O)—C1-20-alkyl, C5-6-cycloalkyl, O—C5-6-cycloalkyl, C(O)—C5-6-cycloalkyl, phenyl, O-phenyl, C(O)-phenyl and 5 to 9 membered heteroaryl.