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发明授权
CN102084436B 聚(5，5′-二(噻吩-2-基)苯并[2，1-b；3，4-b′]二噻吩)及其作为高性能可溶液加工半导体聚合物的用途 有权 转让

聚(5，5′-二(噻吩-2-基)苯并[2，1-b；3，4-b′]二噻吩)及其作为高性能可溶液加工半导体聚合物的用途
摘要：
包含式(I)的基团作为重复单元并且具有5,000-200,000g/mol的数均分子量Mn的聚(5，5′-二(噻吩-2-基)苯并[2，1-b；3，4-b’]二噻吩)，其中R独立地选自a)C1-20烷基，b)C2-20链烯基，c)C2-20炔基，d)C1-20烷氧基，e)-Y-C3-10环烷基，f)-Y-C6-14芳基，g)-Y-3-12元环杂烷基或h)-Y-5-14元杂芳基，其中C1-20烷基、C2-20链烯基、C2-20炔基、C3-10环烷基、C6-14芳基、3-12元环杂烷基和5-14元杂芳基各自任选被1-4个基团R1取代，R1独立地选自a)S(O)m-C1-20烷基，b)S(O)m-OC1-20烷基，c)S(O)m-OC6-14芳基，d)C(O)-OC1-20烷基，e)C(O)-OC6-14芳基，f)C1-20烷基，g)C2-20链烯基，h)C2-20炔基，i)C1-20烷氧基，j)C3-10环烷基，k)C6-14芳基，l)3-12元环杂烷基或m)5-14元杂芳基，Y独立地选自二价C1-6烷基，或共价键；和m独立地选自0、1或2。
摘要（英）：

Poly(5,5'-bis(thiophen-2-yl)-benzo[2,1 -b;3,4-b']dithiophene) comprising as repeating units the group of the formula (I) wherein R is independently selected from a) a C1-2O alkyl group, b) a C2-20 alkenyl group, c) a C2-20 alkynyl group, d) a C1-20 alkoxy group, e) a -Y-C3-10 cycloalkyl group, f) a -Y-C6-14 aryl group, g) a -Y-3-12 membered cycloheteroalkyl group, or h) a -Y-5-14 membered het- eroaryl group, wherein each of the C1-20 alkyl group, the C2-20 alkenyl group, the C2-20 alkynyl group, the C3-10 cycloalkyl group, the C6-14 aryl group, the 3-12 membered cycloheteroalkyl group, and the 5-14 membered heteroaryl group is optionally substituted with 1 -4 R1 groups, R1 is independently selected from a) a S(O)m-C1-20 alkyl group, b) a S(O)m-OC1-20 alkyl group, c) a S(O)m-OC6-14 aryl group, d) a C(O)-OC1-20 alkyl group, e) a C(O)-OC6-14 aryl group, f) a C1-20 alkyl group, g) a C2-20 alkenyl group, h) a C2-20 alkynyl group, i) a C1-20 alkoxy group, j) a C3-10 cycloalkyl group, k) a C6-14 aryl group, I) a 3-12 membered cycloheteroalkyl group, or m) a 5-14 membered heteroaryl group, Y is independently selected from a divalent C1-6 alkyl group, or a covalent bond; and m is independently selected from 0, 1, or 2, and having a number average molecular weight Mn in the range of from 5,000 to 200,000 g/mol.

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