The invention provides novel crosslinking aromatic diamines useful in preparing polyamic acids and polyimides for optical alignment layers. The novel compositions comprise crosslinking diamines containing a C3-C20 linear or branched hydrocarbon chains containing 1 to 4 carbon-carbon double bonds.
该发明提供了新型交联芳香二胺,可用于制备光学对准层的聚
酰亚胺和聚酰胺酸。新型组合物包括交联二胺,其含有C3-C20线性或支链烃链,其中包含1至4个碳-碳双键。