The invention relates to a method for obtaining a material (10) comprising mesogenic compounds (101) forming a liquid crystal mix with a stabilized blue phase (100), comprising the following steps:
a) preparing a chemical composition comprising a mesogenic system and a chemical photo-initiator system, the mesogenic system including
- said mesogenic compounds forming the liquid crystal mix,
- a chiral dopant adapted to induce said blue phase, and
- a monomer mix comprising monomers adapted to polymerize,
and the chemical photo-initiator system being adapted to trigger the polymerization of said monomers when illuminated by a light beam of visible wavelength;
b) getting said liquid crystal mix to form said blue phase;
c) after getting said liquid crystal mix into said blue phase, illuminating the chemical composition obtained in step a) with a light beam of visible wavelength in order to trigger the polymerization of said monomers;
d) obtaining said material comprising said liquid crystal mix in the blue phase stabilized by the polymerized monomers.
本发明涉及一种获得材料(10)的方法,该材料由中间体化合物(101)组成,与稳定蓝相(100)形成液晶混合物,包括以下步骤:
a) 制备一种
化学组合物,该
化学组合物包括介源体系和
化学光
引发剂体系,介源体系包括
- 形成液晶混合物的中生化合物、
- 用于诱导所述蓝相的手性掺杂剂,以及
- 由适于聚合的单体组成的单体混合物、
化学光
引发剂系统可在可见光光束照射下引发所述单体聚合;
b) 让所述液晶混合物形成所述蓝相;
c) 在所述液晶混合物进入所述蓝相后,用可见光光束照射在步骤 a) 中获得的
化学成分,以引发所述单体的聚合;
d) 在蓝色相中获得由聚合单体稳定的液晶混合物组成的材料。