Chemical Properties
Poly-p-phenylene is of interest because of its outstanding thermal stability.
The thermal properties depend to some extent on the method of preparation,
but generally there is little change on heating in air at 300-400°C. Since the
material is highly insoluble and infusible (m.p. 530°C with decomposition), it
is difficult to fabricate and there has been little commercial development.
Uses
PDY-132 can be used in the preparation of electroluminescent line material, which can be used for making line art by direct-write patterning. It can also be used as a fluorescent material with the absorption peak at 450 nm, that can be developed by blade coating on the substrates of the transfer printed micro-sized light emitting diodes (μLED).
Preparation
Poly-p-phenylene is the simplest polymer containing p-phenylene groups.
Several methods have been described for the synthesis of the polymer. One of
the more successful routes is by dehydrogenation of poly-l,3-cyc1ohexadiene
obtained by polymerization of 1,3-cyc1ohexadiene with a Ziegler-Natta
catalyst:
General Description
Super yellow light emitting PPV copolymer can form a thin film of poly(1,4-phenylenevinylene) (PPV) with high efficiencies. It has conjugated polymers as the backbone that can be soluble in water upon the incorporation of lipophilic solubilizing linkers.
