preparation of 4-heptyl-4′-cyanobiphenyl_kain industrial additive
background and overview[1] 4-heptyl-4′-cyanobiphenyl is a kind of liquid crystal materials (lcd). liquid crystal material is a new type of high-performance special material developed in the 1970s. its mesogenic phase is an intermediate phase between the three-dimensional order of the solid state and the randomness of the liquid state. it is a orientation ordered fluid.…
