申请人:LOMOX LIMITED
公开号:US11316118B2
公开(公告)日:2022-04-26
A compound of Formula (I)
D-S1-A-S2—B1, Formula (I)
wherein:
A represents a conjugated chain of from 1 to 20 aromatic moieties independently selected from the group consisting of aromatic moieties, heteroaromatic moieties and E moieties, provided that A includes at least one E moiety,
wherein E is selected from the group consisting of:
E1 being a dibenzo[d,b]silole moiety of the structure:
E2 being a moiety of the structure:
and E3 being a moiety of the structure:
wherein E is connected in the conjugated chain of A and optionally to S1 or to S2 through covalent bonds at Y and Z;
wherein each R is independently selected from the group consisting of straight chain or branched C1-C20 alkyl and C2-C20 alkenyl, optionally wherein from 1 to 5 CH2 groups are each replaced by an oxygen, provided that no acetal, ketal, peroxide or vinyl ether is present in the R group, and optionally wherein each H bonded to a C in each R group may independently be replaced by a halogen;
wherein the X moieties are the same and are selected from the group consisting of hydrogen, straight chain or branched C1-C8 alkyl, straight chain or branched C1-C8 alkoxyl and a halogen, wherein each E moiety may have the same or different X moieties,
wherein W is either an oxygen or sulfur atom,
D represents a moiety having one or more cross-linkable functionalities,
S1 and S2 are flexible linker groups; and
B1 represents a moiety having one or more cross-linkable functionalities or a hydrogen atom, with the proviso that when B1 represents a hydrogen atom, D represents a moiety having at least two cross-linkable functionalities.
式 (I) 的化合物
D-S1-A-S2-B1,式 (I)
其中
A 代表由 1 至 20 个芳香族分子组成的共轭链,这些芳香族分子独立地选 自芳香族分子、杂芳香族分子和 E 分子组成的组,条件是 A 包括至少一个 E 分子、
其中 E 选自以下组成的组
E1 是结构如下的二苯并[d,b]硅烷基:
E2 是该结构的一个分子:
而 E3 是该结构的一个分子:
其中 E 连接在 A 的共轭链上,并可选择通过 Y 和 Z 处的共价键连接到 S1 或 S2;
其中每个R独立地选自直链或支链C1-C20烷基和C2-C20烯基组成的组,任选地,其中1至5个CH2基团各自被一个氧取代,但R基团中不得存在缩醛、缩酮、过氧化物或乙烯基醚,任选地,每个R基团中与C键合的每个H可独立地被卤素取代;
其中 X 分子相同,且选自由氢、直链或支链 C1-C8 烷基、直链或支链 C1-C8 烷氧基和卤素组成的组,每个 E 分子可具有相同或不同的 X 分子、
其中 W 是氧原子或硫原子、
D 代表具有一个或多个可交联官能团的分子、
S1 和 S2 是柔性连接基团;以及
B1 代表具有一个或多个可交联官能团的分子或氢原子,但当 B1 代表氢原子时,D 代表具有至少两个可交联官能团的分子。