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Polyimide aligning layers: chosen physiochemical properties

The group of poly(ester imide)s characterized by various chemical structure has been synthesized by reaction of carboxyimides (or their chlorides) and diols (or their derivatives). Some properties of the obtained polymers were examined. Among them the adhesion to glass, through reluctance and thermal resistance were tested. The quality of model nematic liquid crystal alignment of the polyimide layers by using the interference wedge method was tested. The relationship between the chemical structure of examined polyimide aligning layers and their properties was discussed.