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    • 4. 发明申请
    • VARIABLE COLOR DIOXYHETEROCYCLE COPOLYMERS
    • 可变颜料二氧化硅共聚物
    • WO2008118704A3
    • 2008-12-11
    • PCT/US2008057420
    • 2008-03-19
    • UNIV FLORIDAREYNOLDS JOHN RJUNG JUNE-HOWALCZAK RYAN M
    • REYNOLDS JOHN RJUNG JUNE-HOWALCZAK RYAN M
    • C08G61/12H01L51/00
    • C08G61/124C08G61/125C08G61/126H01L51/0037H01L51/0043
    • Soluble copolymers of heterocyclic monomers that have electrochromic properties are prepared chemically, where the properties are dependent on the proportions and block sizes of the monomer sequences in the copolymer. By the judicious choice of the comonomers and their proportions, the color and/or band gap of the resulting copolymer can be predetermined and achieved, with little, if any, change in a polymerization process other than the monomer feed ratio. Additional control can be achieved of the block size distribution and resulting copolymer properties by the copolymerization of an oligomer, with a core of one monomer and termini of another, with a monomer of the same or similar heterocyclic structure as the termini of the oligomer. In another embodiment an asymmetric dimer of two heterocyclic monomers can be copolymerized with the same or similar heterocyclic structure as either or both heterocyclic monomers of the dimer to achieve electrochromic copolymers of a predetermined band gap and/or color.
    • 具有电致变色性质的杂环单体的可溶性共聚物是化学制备的,其中性质取决于共聚物中单体序列的比例和嵌段大小。 通过明智地选择共聚单体和它们的比例,所得共聚物的颜色和/或带隙可以预先确定,并且除了单体进料比之外,聚合过程中几乎没有任何变化。 可以通过低聚物与一个单体的核心和另一个单体的末端与与低聚物的末端具有相同或相似的杂环结构的单体共聚来实现块尺寸分布和所得的共聚物性质的附加控制。 在另一个实施方案中,两种杂环单体的不对称二聚体可以与二聚体的任一种或两种杂环单体相同或相似的杂环结构共聚,以实现预定带隙和/或颜色的电致变色共聚物。