申请人:Fundacion Cidetec
公开号:EP3395927A1
公开(公告)日:2018-10-31
The composition comprises: (a) a compound of formula (I), (b) a polymeric matrix comprising a crosslinked polymer, the matrix having a viscosity value comprised from 1 x 10-3 to 1 x 1012 Pa·s, (c) a redox pair, and (d) a solvent, the compound of formula (I) and the redox pair being embedded in the polymeric matrix; and wherein: R1 and R2 are selected from: a (C1-C20)alkyl; (C1-C20)alkyl substituted; a 2 to 20-member heteroalkyl; a 2 to 20-member heteroalkyl substituted; (C2-C20)alkenyl; (C2-C20)alkenyl substituted; (C2-C20)alkynyl; (C2-C20)alkynyl substituted; and a known ring system; R3 to R10 are selected from hydrogen; (C1-C20)alkyl; (C1-C20)alkyl substituted; and nitro; and X is a monocharged anion.
The present invention also relates to processes for its preparation and to devices comprising it.
The multichromic composition shows a short switching time and low transmission in the most visible range, which makes it effective in blocking the whole visible radiation in smart windows.
该组合物包括:(a)式(I)化合物,(b)由交联聚合物组成的聚合物基质,该基质的粘度值为 1 x 10-3 至 1 x 1012 Pa-s,(c)氧化还原对,以及(d)溶剂,式(I)化合物和氧化还原对嵌入聚合物基质中;并且其中:R1 和 R2 选自:(C1-C20)烷基;取代的(C1-C20)烷基;2 至 20 个成员的杂烷基;取代的 2 至 20 个成员的杂烷基;(C2-C20)烯基;取代的(C2-C20)烯基;(C2-C20)炔基;取代的(C2-C20)炔基;和已知的环系统;R3 至 R10 选自氢;(C1-C20)烷基;取代的(C1-C20)烷基;和硝基;和 X 是单充阴离子。
本发明还涉及其制备工艺和包含它的装置。
这种多色组合物在大部分可见光范围内的切换时间短、透射率低,因此能有效阻挡智能窗户中的全部可见光辐射。